{
  "schema_version": 1,
  "ledger_id": "reviewedexp6-ai-assisted-review-r2-full-corpus",
  "reviewed_at": "2026-08-09T15:00:00+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 all 252 rendered tiles, but visual review still does not adjudicate every individual label as human ground truth.",
    "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": {
    "review_summary_path": "/app/storage/operator-data/model-review/reviewedexp6-corpus/full-ai-review-r1/operator_yolo_label_qa_summary.json",
    "review_summary_sha256": "467e5c3c489c42e42872a63fbb0bba7c613824631598d86ea6324b22c007f75a",
    "contact_sheets": [
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    ],
    "rendered_tile_count": 252,
    "rendered_label_count": 79192,
    "selected_sample_count": 28
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  "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":9,"sampled_labels":4172,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"balen","sampled_tiles":9,"sampled_labels":2658,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"beerse_center","sampled_tiles":9,"sampled_labels":4303,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"dessel_center","sampled_tiles":9,"sampled_labels":3405,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"dessel_heide","sampled_tiles":9,"sampled_labels":192,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"geel","sampled_tiles":9,"sampled_labels":4615,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"geel_bel","sampled_tiles":9,"sampled_labels":168,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"grobbendonk_center","sampled_tiles":9,"sampled_labels":2793,"split":"val","category":"reference_aoi","decision":"non_protected_validation_only"},
    {"sample_slug":"herentals","sampled_tiles":9,"sampled_labels":5087,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"herenthout_bos","sampled_tiles":9,"sampled_labels":520,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"hoogstraten_center","sampled_tiles":9,"sampled_labels":3761,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"hulshout_center","sampled_tiles":9,"sampled_labels":3606,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"kasterlee_bos","sampled_tiles":9,"sampled_labels":137,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"kasterlee_center","sampled_tiles":9,"sampled_labels":4022,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"laakdal_center","sampled_tiles":9,"sampled_labels":287,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible_with_dense_alignment_limitation"},
    {"sample_slug":"lille_center","sampled_tiles":9,"sampled_labels":3949,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"lommel_heide","sampled_tiles":9,"sampled_labels":0,"split":"train","category":"pure_empty_negative","decision":"experimental_training_eligible"},
    {"sample_slug":"meerhout_bos","sampled_tiles":9,"sampled_labels":206,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"meerhout_center","sampled_tiles":9,"sampled_labels":4002,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"mol","sampled_tiles":9,"sampled_labels":3666,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"nijlen_center","sampled_tiles":9,"sampled_labels":4900,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"olen_center","sampled_tiles":9,"sampled_labels":3955,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"oud_turnhout_center","sampled_tiles":9,"sampled_labels":5492,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible_with_dense_alignment_limitation"},
    {"sample_slug":"postel_bos","sampled_tiles":9,"sampled_labels":0,"split":"train","category":"pure_empty_negative","decision":"experimental_training_eligible"},
    {"sample_slug":"ravels_bos","sampled_tiles":9,"sampled_labels":55,"split":"train","category":"sparse_building_context","decision":"experimental_training_eligible"},
    {"sample_slug":"rijkevorsel_center","sampled_tiles":9,"sampled_labels":4231,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"vorselaar_center","sampled_tiles":9,"sampled_labels":3858,"split":"train","category":"reference_aoi","decision":"experimental_training_eligible"},
    {"sample_slug":"vosselaar_center","sampled_tiles":9,"sampled_labels":5152,"split":"val","category":"reference_aoi","decision":"non_protected_validation_only"}
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  "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
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    "near_duplicate_pairs_iou_at_least_0_90": 0,
    "possible_nested_pairs_containment_at_least_0_98": 43,
    "flagged_tile_count": 36,
    "share_of_rendered_labels": 0.000543,
    "action": "requires_human_adjudication_before_release; no automatic rewrite or exclusion"
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}