{
  "schema_version": 2,
  "dataset_version": "building-be-v73-fresh-flanders-train-r1",
  "immutable": true,
  "training_eligibility": {
    "policy_version": "geointel-training-source-eligibility/v1",
    "status": "eligible",
    "fixture_mode": false
  },
  "purpose": "training_corpus",
  "samples": [
    {
      "sample_slug": "v73-kontich-lowrise-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "detached-lowrise",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-kontich-lowrise-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-kontich-lowrise-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 230,
      "raster_dataset_id": "56c5c3bd-ff0b-4d9a-9c98-572254c12594",
      "reference_dataset_id": "f2b444f5-a3d3-4817-a466-d8001099d539",
      "raster_sha256": "05fdb153da0fc5817a19e3cac8523b633c20be90a9b68689a1dd75bfe57608f1",
      "reference_sha256": "e2f29b86002ee791fb6089ccec0b4977c9359a373811e123a5ecb809f0e1e91c",
      "label_audit_sha256": "0a6e56cbb8da6e30a7d6fb3d46b160c3150e958105f3c05aa4e3ef7330eb29fb",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "56c5c3bd-ff0b-4d9a-9c98-572254c12594",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "05fdb153da0fc5817a19e3cac8523b633c20be90a9b68689a1dd75bfe57608f1",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "05b0a2e4-e64c-43cf-ae8e-43c64efe2ebc",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "05b0a2e4-e64c-43cf-ae8e-43c64efe2ebc",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:05fdb153da0fc5817a19e3cac8523b633c20be90a9b68689a1dd75bfe57608f1",
            "snapshot_checksum_sha256": "05fdb153da0fc5817a19e3cac8523b633c20be90a9b68689a1dd75bfe57608f1",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "f2b444f5-a3d3-4817-a466-d8001099d539",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "cdca1de0153ea1723653ac89c6ee9e70e668ccbbb05c31504030f1ead05a6d4c",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "f42f7899-5b41-4b2c-84e1-3ab2409cf7a7",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "f42f7899-5b41-4b2c-84e1-3ab2409cf7a7",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:cdca1de0153ea1723653ac89c6ee9e70e668ccbbb05c31504030f1ead05a6d4c",
            "snapshot_checksum_sha256": "cdca1de0153ea1723653ac89c6ee9e70e668ccbbb05c31504030f1ead05a6d4c",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        4.44516936687562,
        51.13384821464579,
        4.448830715037306,
        51.13615176149503
      ]
    },
    {
      "sample_slug": "v73-schoten-lowrise-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "detached-lowrise",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-schoten-lowrise-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-schoten-lowrise-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 241,
      "raster_dataset_id": "23084649-8bdf-4d82-a5ee-e7be64803039",
      "reference_dataset_id": "4d888a2f-561a-4467-8846-def6b5d20f3d",
      "raster_sha256": "b1031848d941d053647852eb21b1066ec7a32941bdebcad46acf9e98c5f5ed83",
      "reference_sha256": "d1a2491b2c483b933a0d51a683329a96ad2404455e2a4e4ac3813a1477977bf8",
      "label_audit_sha256": "81139b73c8286533f23c7ccf93ca73efc3bff70db3ac5f067d399d9265219469",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "23084649-8bdf-4d82-a5ee-e7be64803039",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "b1031848d941d053647852eb21b1066ec7a32941bdebcad46acf9e98c5f5ed83",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "df54205b-0e5c-47ed-af6c-60cc5fcfe26c",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "df54205b-0e5c-47ed-af6c-60cc5fcfe26c",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:b1031848d941d053647852eb21b1066ec7a32941bdebcad46acf9e98c5f5ed83",
            "snapshot_checksum_sha256": "b1031848d941d053647852eb21b1066ec7a32941bdebcad46acf9e98c5f5ed83",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "4d888a2f-561a-4467-8846-def6b5d20f3d",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "ba236207019ed34bc4a349e9cb6adb53e27951e8533e78933fd7f0072ca66107",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "1eaefe5c-1bea-46ab-9678-00eef88fb969",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "1eaefe5c-1bea-46ab-9678-00eef88fb969",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:ba236207019ed34bc4a349e9cb6adb53e27951e8533e78933fd7f0072ca66107",
            "snapshot_checksum_sha256": "ba236207019ed34bc4a349e9cb6adb53e27951e8533e78933fd7f0072ca66107",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        4.498163542581232,
        51.248847445287225,
        4.501836539774341,
        51.25115253072368
      ]
    },
    {
      "sample_slug": "v73-lede-ribbon-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "ribbon-development",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-lede-ribbon-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-lede-ribbon-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 197,
      "raster_dataset_id": "9aa2ae96-4394-469a-8a63-8636b8deba94",
      "reference_dataset_id": "439dcbb2-3e42-42dc-8a22-4204523c009c",
      "raster_sha256": "6d03e1a14269d88333c31941f0c506a23747b87bfd8fa4f2b2b3454ef06aa8f0",
      "reference_sha256": "7e6c625859ac8638ddc0190b6b578259f5da6cc0a79a7e817dbb0f166ea0a859",
      "label_audit_sha256": "5e18c48bbb3549bdd15244782a0474ffda531ae9cab914d72b0d3c4736c24fb7",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "9aa2ae96-4394-469a-8a63-8636b8deba94",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "6d03e1a14269d88333c31941f0c506a23747b87bfd8fa4f2b2b3454ef06aa8f0",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "4f5fe6a2-75fb-45db-8628-8f42be00b1b4",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "4f5fe6a2-75fb-45db-8628-8f42be00b1b4",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:6d03e1a14269d88333c31941f0c506a23747b87bfd8fa4f2b2b3454ef06aa8f0",
            "snapshot_checksum_sha256": "6d03e1a14269d88333c31941f0c506a23747b87bfd8fa4f2b2b3454ef06aa8f0",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "439dcbb2-3e42-42dc-8a22-4204523c009c",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "0cbd040c1ce376ddb047efaec777826ac2772f926a60b919f92817416feb8bb9",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "2940e9c4-c264-4728-ab18-95512aad2be9",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "2940e9c4-c264-4728-ab18-95512aad2be9",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:0cbd040c1ce376ddb047efaec777826ac2772f926a60b919f92817416feb8bb9",
            "snapshot_checksum_sha256": "0cbd040c1ce376ddb047efaec777826ac2772f926a60b919f92817416feb8bb9",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        3.9831684358866886,
        50.964843450616485,
        3.9868314667126685,
        50.967156525915414
      ]
    },
    {
      "sample_slug": "v73-tielt-rural-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "rural-town",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-tielt-rural-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-tielt-rural-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 223,
      "raster_dataset_id": "eef357e0-a6a0-4f04-b1c6-e2941b25811f",
      "reference_dataset_id": "5a4de291-8c02-4cda-960d-ab688592541c",
      "raster_sha256": "893f01015766fa7c10f0ee9ed8d25acb4e6f784f68d82652854494b941a59d9a",
      "reference_sha256": "8706de8c7702961d2f75ef131d7d965f658684ee7ef2cfe031bb0edf6be25b4c",
      "label_audit_sha256": "7165af4306b155c33da41b16c2f41638c9cfcee0f8121509c3327258c1dd573d",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "eef357e0-a6a0-4f04-b1c6-e2941b25811f",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "893f01015766fa7c10f0ee9ed8d25acb4e6f784f68d82652854494b941a59d9a",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "25e0b03f-09af-4bba-a07c-d708a50b3489",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "25e0b03f-09af-4bba-a07c-d708a50b3489",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:893f01015766fa7c10f0ee9ed8d25acb4e6f784f68d82652854494b941a59d9a",
            "snapshot_checksum_sha256": "893f01015766fa7c10f0ee9ed8d25acb4e6f784f68d82652854494b941a59d9a",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "5a4de291-8c02-4cda-960d-ab688592541c",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "bb9839da8076cdd7e3bb00d8d5bd6117502d9a4bf1e28b5dfe88ea62b077408c",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "fb91b7f2-b38a-421e-9341-077258d68b4a",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "fb91b7f2-b38a-421e-9341-077258d68b4a",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:bb9839da8076cdd7e3bb00d8d5bd6117502d9a4bf1e28b5dfe88ea62b077408c",
            "snapshot_checksum_sha256": "bb9839da8076cdd7e3bb00d8d5bd6117502d9a4bf1e28b5dfe88ea62b077408c",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        3.325151142935416,
        50.99783336476096,
        3.328848759893323,
        51.00016661206988
      ]
    },
    {
      "sample_slug": "v73-borgloon-rural-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "rural-lowrise",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-borgloon-rural-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-borgloon-rural-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 112,
      "raster_dataset_id": "7d23526d-3e5b-47aa-a4d2-bd47c3b99147",
      "reference_dataset_id": "e39c2b9c-4f6d-4aa7-98d0-bb7284366071",
      "raster_sha256": "ff790b2e9dd788fd0b1f118e69de118ee9e91a0d1c0f7c1e40ec0991958e5cb6",
      "reference_sha256": "5a40c1c5b30d8fb0c0b5d3014ec4fe9b906b66136ebee54b780dffc0171afaa7",
      "label_audit_sha256": "22fb21f018bc65407e93853e14d26800fae2ffce2566dcc14a35edcc5f0be6d7",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "7d23526d-3e5b-47aa-a4d2-bd47c3b99147",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "ff790b2e9dd788fd0b1f118e69de118ee9e91a0d1c0f7c1e40ec0991958e5cb6",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "17aec45e-194b-46e9-8896-466bef63da09",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "17aec45e-194b-46e9-8896-466bef63da09",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:ff790b2e9dd788fd0b1f118e69de118ee9e91a0d1c0f7c1e40ec0991958e5cb6",
            "snapshot_checksum_sha256": "ff790b2e9dd788fd0b1f118e69de118ee9e91a0d1c0f7c1e40ec0991958e5cb6",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "e39c2b9c-4f6d-4aa7-98d0-bb7284366071",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "db47baddeefdeed67180931172b4037944f3396bb35d5757f375e35b1d870a1e",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "eb3b6df6-ebf7-4df1-ae85-57e9409ca515",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "eb3b6df6-ebf7-4df1-ae85-57e9409ca515",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:db47baddeefdeed67180931172b4037944f3396bb35d5757f375e35b1d870a1e",
            "snapshot_checksum_sha256": "db47baddeefdeed67180931172b4037944f3396bb35d5757f375e35b1d870a1e",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        5.341160450290418,
        50.80383430945873,
        5.344839629814088,
        50.80616566808069
      ]
    },
    {
      "sample_slug": "v73-wevelgem-industry-train",
      "sample_role": "positive",
      "require_empty": false,
      "region": "flanders",
      "context": "industrial",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-wevelgem-industry-train/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-wevelgem-industry-train/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 135,
      "raster_dataset_id": "a749c01e-8396-49b7-9f22-42428180989d",
      "reference_dataset_id": "96b6e2ce-00cf-49b6-a133-94acf4aab96a",
      "raster_sha256": "8f899df7a68154cb0704703aceab67e4042cfe6f7cf77af9cc6a32932a4821db",
      "reference_sha256": "2c89d451fd4cd69833c129687e2a679a2a2e99b73ae17d4b2fb5d39ac1306a85",
      "label_audit_sha256": "2d67d5873d43a4920bea5f555eee43d5592e9f2726fca275cde5e96c2cb1406c",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "a749c01e-8396-49b7-9f22-42428180989d",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "8f899df7a68154cb0704703aceab67e4042cfe6f7cf77af9cc6a32932a4821db",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "9c28266f-3efa-44d8-9737-4a6cc223f9d9",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "9c28266f-3efa-44d8-9737-4a6cc223f9d9",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:8f899df7a68154cb0704703aceab67e4042cfe6f7cf77af9cc6a32932a4821db",
            "snapshot_checksum_sha256": "8f899df7a68154cb0704703aceab67e4042cfe6f7cf77af9cc6a32932a4821db",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "96b6e2ce-00cf-49b6-a133-94acf4aab96a",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "4ac9fbfc4015c171323ecba8056a4dc7a28babbceca048d1a262961012b8ecb2",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "a4885183-5910-4a52-a26a-0099a21d31b3",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "a4885183-5910-4a52-a26a-0099a21d31b3",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:4ac9fbfc4015c171323ecba8056a4dc7a28babbceca048d1a262961012b8ecb2",
            "snapshot_checksum_sha256": "4ac9fbfc4015c171323ecba8056a4dc7a28babbceca048d1a262961012b8ecb2",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        3.178154637518103,
        50.818831059349314,
        3.181845266034672,
        50.821168917839366
      ]
    },
    {
      "sample_slug": "v73-kaprijke-field-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "farmland-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-kaprijke-field-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-kaprijke-field-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 38,
      "raster_dataset_id": "9efef01e-52f7-4d78-ba37-1667c15a8ec8",
      "reference_dataset_id": "5da01064-bb86-4d4e-b42e-3eb81b5ec640",
      "raster_sha256": "022c09e3162d921cb99dc5547384aea8034193616f3f57df63a33c95fbdaec3c",
      "reference_sha256": "b462c93397f295d4f6c5dff50cc13dee25be804b3ea2249b29dee9184364c3bc",
      "label_audit_sha256": "87f97c3f7a8e74b64272cd4101ca739a323a38e40191f6b5def46b0f55500689",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "9efef01e-52f7-4d78-ba37-1667c15a8ec8",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "022c09e3162d921cb99dc5547384aea8034193616f3f57df63a33c95fbdaec3c",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "3a3258d8-6412-4b5c-b84f-c186bd6df9c1",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "3a3258d8-6412-4b5c-b84f-c186bd6df9c1",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:022c09e3162d921cb99dc5547384aea8034193616f3f57df63a33c95fbdaec3c",
            "snapshot_checksum_sha256": "022c09e3162d921cb99dc5547384aea8034193616f3f57df63a33c95fbdaec3c",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "5da01064-bb86-4d4e-b42e-3eb81b5ec640",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "828854a2c646047c18ec9472fcd88d903f9e395e2a25310f2475ef47f906322b",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "bce1f636-c5e7-4a36-a96b-cdef9af4ca54",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "bce1f636-c5e7-4a36-a96b-cdef9af4ca54",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:828854a2c646047c18ec9472fcd88d903f9e395e2a25310f2475ef47f906322b",
            "snapshot_checksum_sha256": "828854a2c646047c18ec9472fcd88d903f9e395e2a25310f2475ef47f906322b",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        3.618149522227024,
        51.21883794179568,
        3.6218503796386172,
        51.221162034532675
      ]
    },
    {
      "sample_slug": "v73-doel-port-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "port-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-doel-port-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-doel-port-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 47,
      "raster_dataset_id": "bc7b7dbd-c95b-4bc6-b379-e1bc337a35bf",
      "reference_dataset_id": "69ba8adc-6f16-4c14-8459-211f32a56a2c",
      "raster_sha256": "9398559a6158ffda06467fb3393772769ebda919e2fd044cd3b9dce5a3d35b56",
      "reference_sha256": "1a0d5821a7ee6c1cf166b3b0e803453d04495dfb6e0f46c6ce7535e778eb8ddf",
      "label_audit_sha256": "fcfe3d6a746ee34dda5e54c27b982ca6d2d1f24faf0f956d717eae3160b44990",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "bc7b7dbd-c95b-4bc6-b379-e1bc337a35bf",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "9398559a6158ffda06467fb3393772769ebda919e2fd044cd3b9dce5a3d35b56",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "3a5d9ecb-32e8-4f3a-8d0c-e9e4c395d2b3",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "3a5d9ecb-32e8-4f3a-8d0c-e9e4c395d2b3",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:9398559a6158ffda06467fb3393772769ebda919e2fd044cd3b9dce5a3d35b56",
            "snapshot_checksum_sha256": "9398559a6158ffda06467fb3393772769ebda919e2fd044cd3b9dce5a3d35b56",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "69ba8adc-6f16-4c14-8459-211f32a56a2c",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "cbbcbf7970d4efa5a28689e6400027502c4889e070df87731152710e4619a4b0",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "2c43af7b-cf9a-4b6e-9063-629c526324d9",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "2c43af7b-cf9a-4b6e-9063-629c526324d9",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:cbbcbf7970d4efa5a28689e6400027502c4889e070df87731152710e4619a4b0",
            "snapshot_checksum_sha256": "cbbcbf7970d4efa5a28689e6400027502c4889e070df87731152710e4619a4b0",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        4.258161673724995,
        51.308847843017254,
        4.261838227480093,
        51.311152132827466
      ]
    },
    {
      "sample_slug": "v73-adinkerke-dunes-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "dunes-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-adinkerke-dunes-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-adinkerke-dunes-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 155,
      "raster_dataset_id": "53a169d3-dccd-48d9-9b1c-68be3111a9e1",
      "reference_dataset_id": "7bc2d837-19eb-4e80-877c-185b7ea21af2",
      "raster_sha256": "53541cfe2d3b58f7139a64ca637afcaccbf3fcc56b9684613b5c212f7f87a2a5",
      "reference_sha256": "d9f868139bb3346956f038778438b836e3e37756d96230a2bb6d06133075764e",
      "label_audit_sha256": "fde599fca3640e96953688117b49705e522d45ec80ef6aa3eb6e6b89a4f6a395",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "53a169d3-dccd-48d9-9b1c-68be3111a9e1",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "53541cfe2d3b58f7139a64ca637afcaccbf3fcc56b9684613b5c212f7f87a2a5",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "7b2642f4-d0e3-4888-87c9-863a1bb5d3c4",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "7b2642f4-d0e3-4888-87c9-863a1bb5d3c4",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:53541cfe2d3b58f7139a64ca637afcaccbf3fcc56b9684613b5c212f7f87a2a5",
            "snapshot_checksum_sha256": "53541cfe2d3b58f7139a64ca637afcaccbf3fcc56b9684613b5c212f7f87a2a5",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "7bc2d837-19eb-4e80-877c-185b7ea21af2",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "371b81dab0d7d4090fc5e87eb98aae841665f902bbe156a449a8f8baaca20734",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "ee91493c-2296-48c2-b0a0-b4632c1ea027",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "ee91493c-2296-48c2-b0a0-b4632c1ea027",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:371b81dab0d7d4090fc5e87eb98aae841665f902bbe156a449a8f8baaca20734",
            "snapshot_checksum_sha256": "371b81dab0d7d4090fc5e87eb98aae841665f902bbe156a449a8f8baaca20734",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        2.588130558194434,
        51.068822191152805,
        2.591869344793702,
        51.07117778596596
      ]
    },
    {
      "sample_slug": "v73-houthulst-forest-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "forest-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-houthulst-forest-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-houthulst-forest-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 140,
      "raster_dataset_id": "e44992c5-60b5-4b71-b7e9-5c2120ecf749",
      "reference_dataset_id": "6d06cefd-980d-4e78-86f3-d335e87e8a4e",
      "raster_sha256": "e9549febbd0275306de29d99b8c57d222b5c587cb8a4dc6980e366d8e692d87e",
      "reference_sha256": "4f01b14777ae2a2a951bff9a21b1a1cd6b7342878cb37cd48c86582f7315aa73",
      "label_audit_sha256": "524442c353e3b683c03e4fa6a649c4cdbfa9edab4df61c346833d7c291b83d4b",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "e44992c5-60b5-4b71-b7e9-5c2120ecf749",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "e9549febbd0275306de29d99b8c57d222b5c587cb8a4dc6980e366d8e692d87e",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "29a39df0-eec6-4f1c-9c58-0feb1776b5a4",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "29a39df0-eec6-4f1c-9c58-0feb1776b5a4",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:e9549febbd0275306de29d99b8c57d222b5c587cb8a4dc6980e366d8e692d87e",
            "snapshot_checksum_sha256": "e9549febbd0275306de29d99b8c57d222b5c587cb8a4dc6980e366d8e692d87e",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "6d06cefd-980d-4e78-86f3-d335e87e8a4e",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "e52627b662ea8e3e41b41bf61dc1b3952d0fbfcd60f893863df0a05ad0030dba",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "d440f0d4-14d5-4c9b-b29f-1e26ebb4b7d0",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "d440f0d4-14d5-4c9b-b29f-1e26ebb4b7d0",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:e52627b662ea8e3e41b41bf61dc1b3952d0fbfcd60f893863df0a05ad0030dba",
            "snapshot_checksum_sha256": "e52627b662ea8e3e41b41bf61dc1b3952d0fbfcd60f893863df0a05ad0030dba",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        2.948142792563102,
        50.978827613215564,
        2.951857110543986,
        50.98117236384764
      ]
    },
    {
      "sample_slug": "v73-ronse-industry-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "industrial-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-ronse-industry-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-ronse-industry-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 154,
      "raster_dataset_id": "e70a5264-0974-4b6e-aa6f-51c0cb7e3537",
      "reference_dataset_id": "f143ffa0-f03e-4ac3-b6e7-13bbac3fed41",
      "raster_sha256": "0c1c70b1cc79fa032c6ef56e0e0e04e47a8684b720028874453a84a29c26581c",
      "reference_sha256": "83124fd3a154b326d5929a351b1079c760904fe994d928d16e91b89a11194818",
      "label_audit_sha256": "f83026512c2ef3e60ae498ebbbb830fd4a20fa0a6b7f1961f966e9f6463906a7",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "e70a5264-0974-4b6e-aa6f-51c0cb7e3537",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "0c1c70b1cc79fa032c6ef56e0e0e04e47a8684b720028874453a84a29c26581c",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "de02d8bb-44c8-4fc5-8e89-fd07ec423376",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "de02d8bb-44c8-4fc5-8e89-fd07ec423376",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:0c1c70b1cc79fa032c6ef56e0e0e04e47a8684b720028874453a84a29c26581c",
            "snapshot_checksum_sha256": "0c1c70b1cc79fa032c6ef56e0e0e04e47a8684b720028874453a84a29c26581c",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "f143ffa0-f03e-4ac3-b6e7-13bbac3fed41",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "f1b82c20bfaf59719a42561ee70e8ffef1cb09c31d7b296e7f60d6ffb893138c",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "d4bbc25e-27dd-4efc-a7d3-9e3a56a77999",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "d4bbc25e-27dd-4efc-a7d3-9e3a56a77999",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:f1b82c20bfaf59719a42561ee70e8ffef1cb09c31d7b296e7f60d6ffb893138c",
            "snapshot_checksum_sha256": "f1b82c20bfaf59719a42561ee70e8ffef1cb09c31d7b296e7f60d6ffb893138c",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        3.608167745037314,
        50.748837614018925,
        3.611832158531078,
        50.75116236305027
      ]
    },
    {
      "sample_slug": "v73-peer-field-train-bg",
      "sample_role": "background_candidate",
      "require_empty": false,
      "region": "flanders",
      "context": "farmland-hard-negative",
      "split": "train",
      "raster_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-peer-field-train-bg/image.tif",
      "reference_path": "/app/storage/operator-data/building-be-v73-fresh-flanders-train-r1/corpus/pairs/v73-peer-field-train-bg/buildings.normalized.geojson",
      "reference_source": "grb",
      "reference_layer": "buildings",
      "reference_feature_count": 1,
      "raster_dataset_id": "918b6db3-5af9-4f47-b3dc-842c73abf559",
      "reference_dataset_id": "dafc6274-8040-4a29-bba3-f6d492ef84b0",
      "raster_sha256": "ade1d0f35377bbebcd00dc161986a799cff008670bc148779997fc6e7fb370fc",
      "reference_sha256": "26c6f79274eacb0605e03ea12355bf62990938c49dc9ad50ff5b77c508ed4c66",
      "label_audit_sha256": "b89e6a2336190931f1cfad3fab3219fc61f2743101affa3aa63c14a6c968e8b9",
      "training_eligibility": {
        "policy_version": "geointel-training-source-eligibility/v1",
        "eligible": true,
        "fixture_mode": false,
        "raster": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "raster",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "918b6db3-5af9-4f47-b3dc-842c73abf559",
            "dataset_type": "raster",
            "dataset_role": "source",
            "source": "digitaal vlaanderen wms omwrgb25vl",
            "source_name": "digitaal_vlaanderen_orthophoto",
            "checksum_sha256": "ade1d0f35377bbebcd00dc161986a799cff008670bc148779997fc6e7fb370fc",
            "data_contract_key": "geointel.raster.geotiff",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "not_applicable",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "dataset_source_snapshot_id": "e82afbb3-64d2-43b3-9933-6e683de368ec",
            "source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "source_key": "digitaal_vlaanderen_orthophoto",
            "source_classification": "contextual",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": false,
            "source_allowed_tasks": [
              "imagery",
              "training_input",
              "visual_context"
            ],
            "source_validation_authority": {},
            "source_building_validation_authority": null,
            "source_snapshot_id": "e82afbb3-64d2-43b3-9933-6e683de368ec",
            "snapshot_source_registry_id": "766e0d47-96d9-5e78-a584-47e924a4d6b7",
            "snapshot_key": "digitaal_vlaanderen_orthophoto:2025:ade1d0f35377bbebcd00dc161986a799cff008670bc148779997fc6e7fb370fc",
            "snapshot_checksum_sha256": "ade1d0f35377bbebcd00dc161986a799cff008670bc148779997fc6e7fb370fc",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        },
        "reference": {
          "policy_version": "geointel-training-source-eligibility/v1",
          "role": "reference",
          "eligible": true,
          "fixture_mode": false,
          "reasons": [],
          "evidence": {
            "dataset_id": "dafc6274-8040-4a29-bba3-f6d492ef84b0",
            "dataset_type": "vector",
            "dataset_role": "reference",
            "source": "digitaal vlaanderen grb ogc api features",
            "source_name": "grb",
            "checksum_sha256": "0f66821432646b516d6c4faa65c9d89cbf34eafc4da08c6545cad75c6ee6cc0d",
            "data_contract_key": "geointel.vector.geojson",
            "data_contract_version": "1.0.0",
            "validation_status": "passed",
            "provenance_status": "complete",
            "lineage_status": "complete",
            "quarantine_status": "not_quarantined",
            "dataset_status": "ready",
            "dataset_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "dataset_source_snapshot_id": "cf6ef433-eaae-49c3-8011-e26e03a7c256",
            "source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "source_key": "grb",
            "source_classification": "authoritative",
            "source_freshness_status": "unknown",
            "source_ingest_status": "configured",
            "source_training_allowed": true,
            "source_ground_truth_allowed": true,
            "source_allowed_tasks": [
              "building_validation",
              "building_labels",
              "reference_context"
            ],
            "source_validation_authority": {
              "building_validation": "primary"
            },
            "source_building_validation_authority": "primary",
            "source_snapshot_id": "cf6ef433-eaae-49c3-8011-e26e03a7c256",
            "snapshot_source_registry_id": "3cc9ab48-ac58-5271-8ea7-55d250925ec6",
            "snapshot_key": "grb:2026-08-10:0f66821432646b516d6c4faa65c9d89cbf34eafc4da08c6545cad75c6ee6cc0d",
            "snapshot_checksum_sha256": "0f66821432646b516d6c4faa65c9d89cbf34eafc4da08c6545cad75c6ee6cc0d",
            "snapshot_freshness_status": "current",
            "snapshot_ingest_status": "ingested"
          }
        }
      },
      "bbox_epsg4326": [
        5.448145453581394,
        51.11883278920863,
        5.451854627730389,
        51.1211671879367
      ]
    }
  ]
}