{
  "schema_version": 1,
  "ledger_id": "reviewedexp6-ai-assisted-review-r1",
  "reviewed_at": "2026-08-09T14:00:00+02:00",
  "reviewer": {
    "id": "openai-codex",
    "type": "ai_assistant",
    "human": false
  },
  "status": "complete_ai_assisted_experimental_only",
  "explicit_limitations": [
    "This ledger is not human review and must never satisfy a human-review release gate.",
    "Decisions cover the 64 rendered samples on the contact sheet, not every label instance in the corpus.",
    "Visible roof geometry can be displaced from authoritative GRB ground-level footprints.",
    "Accepted samples are eligible only for experimental training and non-protected validation."
  ],
  "artifacts": {
    "contact_sheet_path": "/app/storage/operator-data/model-review/reviewedexp6-corpus/visual-review/contact_sheet_001.png",
    "contact_sheet_sha256": "411ee541dcd53b59abc1c12f733f164b28478a1398ab2d50be8c728b11c8fdc4",
    "review_summary_path": "/app/storage/operator-data/model-review/reviewedexp6-corpus/visual-review/operator_yolo_label_qa_summary.json",
    "rendered_tile_count": 64,
    "rendered_label_count": 21611,
    "selected_sample_count": 28
  },
  "visual_criteria": [
    "labels overlap visible building structures at the scale shown",
    "no systematic axis swap or whole-tile displacement is visible",
    "pure-background samples contain no clearly visible buildings",
    "sparse contexts are not treated as pure background",
    "dense roof-versus-ground-footprint disagreement is retained as an explicit limitation"
  ],
  "decisions": [
    {"sample_slug":"arendonk_center","sampled_tiles":2,"sampled_labels":1163,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"balen","sampled_tiles":2,"sampled_labels":794,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"beerse_center","sampled_tiles":2,"sampled_labels":1158,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"dessel_center","sampled_tiles":2,"sampled_labels":841,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"dessel_heide","sampled_tiles":2,"sampled_labels":68,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"geel","sampled_tiles":2,"sampled_labels":1244,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"geel_bel","sampled_tiles":2,"sampled_labels":62,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"grobbendonk_center","sampled_tiles":2,"sampled_labels":1008,"split":"val","category":"reference_aoi","decision":"non_protected_validation_only"},
    {"sample_slug":"herentals","sampled_tiles":2,"sampled_labels":1512,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"herenthout_bos","sampled_tiles":2,"sampled_labels":199,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"hoogstraten_center","sampled_tiles":2,"sampled_labels":1063,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"hulshout_center","sampled_tiles":2,"sampled_labels":895,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"kasterlee_bos","sampled_tiles":2,"sampled_labels":72,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"kasterlee_center","sampled_tiles":2,"sampled_labels":983,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"laakdal_center","sampled_tiles":2,"sampled_labels":156,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible_with_dense_alignment_limitation"},
    {"sample_slug":"lille_center","sampled_tiles":2,"sampled_labels":961,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"lommel_heide","sampled_tiles":6,"sampled_labels":0,"split":"train","category":"pure_empty_negative","decision":"experimental_training_eligible"},
    {"sample_slug":"meerhout_bos","sampled_tiles":2,"sampled_labels":111,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"meerhout_center","sampled_tiles":2,"sampled_labels":1016,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"mol","sampled_tiles":2,"sampled_labels":951,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"nijlen_center","sampled_tiles":2,"sampled_labels":1309,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"olen_center","sampled_tiles":2,"sampled_labels":971,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"oud_turnhout_center","sampled_tiles":2,"sampled_labels":1535,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible_with_dense_alignment_limitation"},
    {"sample_slug":"postel_bos","sampled_tiles":6,"sampled_labels":0,"split":"train","category":"pure_empty_negative","decision":"experimental_training_eligible"},
    {"sample_slug":"ravels_bos","sampled_tiles":2,"sampled_labels":22,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"rijkevorsel_center","sampled_tiles":2,"sampled_labels":1153,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"vorselaar_center","sampled_tiles":2,"sampled_labels":930,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"vosselaar_center","sampled_tiles":2,"sampled_labels":1434,"split":"val","category":"reference_aoi","decision":"non_protected_validation_only"}
  ],
  "accounting": {
    "accepted_experimental_training_samples": 26,
    "non_protected_validation_samples": 2,
    "rejected_samples": 0,
    "pure_empty_negative_samples": 2,
    "sparse_context_samples": 6,
    "human_review_complete": false,
    "production_release_eligible": false
  }
}