{
  "date": "2026-10-13",
  "method": "Source-image inspection after inference. Structural mapping only; no spelling changes, reference-text similarity, or copying reference values. Applied only to the exact response hashes below. Automatic coverage is reported before these mappings.",
  "paris": {
    "651489d268074761d738c3bed973a05995da1d3a33e61ee13936913fe8342202": {
      "page_id": "AD075DP_D2M8_223_0430_left_page",
      "model": "chandra",
      "image_sha256": "60dfd5738076989e45d4a88613949760a6b2f3bcded16bd7767c34d5ff981e64",
      "reference_row_positions": [
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15,
        16,
        17,
        18,
        19,
        20,
        21,
        22,
        23,
        24,
        25,
        26,
        27,
        28
      ],
      "note": "Image has 29 people in order. Annotation region _29 contains only employer code 437 and overlaps the bottom of person _28, which also labels this code. Retain all 30 reference regions; leave _29 unavailable rather than duplicate a prediction. This is a source-checked mapping, not automatic recovery.",
      "reference_sha256": "26d999203068b18bd08f0a7c7025681716cb3b3b29026ad1b5a47b1b271b380d",
      "reference_flag": {
        "row_id": "AD075DP_D2M8_223_0430_left_page_29",
        "flag": "possible_overlap",
        "action": "Retain all published labels and leave the unmatched region NaN"
      }
    },
    "b43611326a5256e2e4d087b22c5e374f271fb7e5043adaa0de3b0d692744e3ef": {
      "page_id": "AD075DP_D2M8_223_0430_left_page",
      "model": "claude",
      "image_sha256": "60dfd5738076989e45d4a88613949760a6b2f3bcded16bd7767c34d5ff981e64",
      "reference_row_positions": [
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15,
        16,
        17,
        18,
        19,
        20,
        21,
        22,
        23,
        24,
        25,
        26,
        27,
        28
      ],
      "note": "Image has 29 people in order. Annotation region _29 contains only employer code 437 and overlaps the bottom of person _28, which also labels this code. Retain all 30 reference regions; leave _29 unavailable rather than duplicate a prediction. This is a source-checked mapping, not automatic recovery.",
      "reference_sha256": "26d999203068b18bd08f0a7c7025681716cb3b3b29026ad1b5a47b1b271b380d",
      "reference_flag": {
        "row_id": "AD075DP_D2M8_223_0430_left_page_29",
        "flag": "possible_overlap",
        "action": "Retain all published labels and leave the unmatched region NaN"
      }
    }
  },
  "argentina": {
    "f65e6a98cd29d4315ecde1528b3a433336c282c0edeb4c9b7636998906a55b06": {
      "page": "holdout",
      "model": "Chandra OCR 2 / HTML",
      "source": "Figure 5.16; local lossless source-000.png",
      "image_sha256": "f7f728c7ee7507b49fdf66dd15afbea92bc2568b9b1c461583e360f65a63f0de",
      "row_overrides": [
        {
          "output_row": 6,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 7,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 8,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 9,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 10,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 11,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 12,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 13,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        },
        {
          "output_row": 14,
          "number_column": 1,
          "columns": {
            "full_name": [
              2,
              3
            ],
            "sex": [
              4
            ],
            "age": [
              5
            ],
            "occupation": [
              8
            ],
            "literacy": [
              9
            ],
            "property_owner": [
              11
            ]
          }
        }
      ],
      "note": "Rows 7-15 include a left margin cell and omit province F. The source image confirms separate left and right page fields. Shift name, sex and age only; right-page selected columns remain 8,9,11. This output-specific mapping is source-assisted, not automatic layout detection.",
      "reference_sha256": "5f6e5f20fc238a770323a88fd4dfd84157903d8c6f6643b3ba66f3e2de090365",
      "input_sha256": "c3367bc80d1d15615ac9071e23060a869a4a76575c81df91935bb2879f266b3d",
      "hash_binding": "Raw response, reference bytes and recorded model-input bytes identify the run. image_sha256 records the extracted source PNG inspected by the reviewer, before RGB input conversion."
    }
  },
  "inspection": "Codex inspected the source images and raw outputs; Opus and Gemini reviewed the scoring design and implementation. These structural maps were supplied outside the evaluated OCR model."
}