{
  "version": 1,
  "assetId": "scanned-pdf-to-excel-evidence-2026-07",
  "generatedAt": "2026-07-20",
  "license": "CC0-1.0",
  "synthetic": true,
  "containsPersonalData": false,
  "contentTarget": {
    "path": "/scanned-pdf-to-excel",
    "status": "page-implemented-noindex-pending-review",
    "indexingBoundary": "This evidence asset does not authorize indexing. The specialized page remains noindex until a named owner and approved English-native review are recorded."
  },
  "benchmark": {
    "id": "2026-07-19-paddlevl16-v1",
    "provider": "paddle_vl",
    "model": "PaddleOCR-VL-1.6",
    "resultsUrl": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/results.json"
  },
  "referenceWorkbook": {
    "url": "/samples/document-library/scanned-purchase-register-reference-output.xlsx",
    "sha256": "213495576a3a17a7840e0e9d1482cb535a869fde5a538c28e5b9488ac0173e08",
    "meaning": "Declared expected rows for the synthetic source. It is not a model output."
  },
  "previewImage": {
    "url": "/samples/document-library/scanned-purchase-register-preview.png",
    "sha256": "d37cb54ffb6c6a32fa3b33ee36c2af1e2d9313ebdead20552f1f767e2b3d1407",
    "sourceUrl": "/samples/document-library/scanned-purchase-register.pdf",
    "meaning": "A deterministic 144 DPI rendering of the first page of the same CC0 source PDF. It is a source preview, not an OCR result."
  },
  "cases": [
    {
      "id": "scanned-purchase-register",
      "label": "Clean image-only source",
      "source": {
        "url": "/samples/document-library/scanned-purchase-register.pdf",
        "sha256": "f1ff0daadb897d9c3b8ec078da244067c640e8efcd64c4642f958b2f1fb6a64b"
      },
      "actualWorkbook": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/scanned-purchase-register-actual.xlsx",
        "sha256": "d01aca5163f3e684838dcb0a8b1f92838f93e4a82678b87a5ab68af358d37f8e"
      },
      "result": {
        "expectedCells": 20,
        "matchedCells": 20,
        "expectedRows": 3,
        "matchedRows": 3,
        "cellExactMatchRate": 1,
        "rowExactMatchRate": 1,
        "headerSequenceMatched": true
      }
    },
    {
      "id": "scanned-purchase-register-moderate",
      "label": "Moderate resample and skew",
      "source": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/inputs/scanned-purchase-register-moderate.pdf",
        "sha256": "1e25e088a17299e35529acf23d74de4ee77d920e8031c9fcc81b8577bcf4e418"
      },
      "actualWorkbook": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/scanned-purchase-register-moderate-actual.xlsx",
        "sha256": "d01aca5163f3e684838dcb0a8b1f92838f93e4a82678b87a5ab68af358d37f8e"
      },
      "result": {
        "expectedCells": 20,
        "matchedCells": 20,
        "expectedRows": 3,
        "matchedRows": 3,
        "cellExactMatchRate": 1,
        "rowExactMatchRate": 1,
        "headerSequenceMatched": true
      }
    },
    {
      "id": "scanned-purchase-register-poor",
      "label": "Low-contrast, blurred, skewed source",
      "source": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/inputs/scanned-purchase-register-poor.pdf",
        "sha256": "0cd3f8b273633fad70328d80d0a72fce42e86d65e3a44aae779d0178406905e9"
      },
      "actualWorkbook": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/scanned-purchase-register-poor-actual.xlsx",
        "sha256": "3343a314596da3d44b16d76f55b37c16205dd253c20b1501a66387ec20129d40"
      },
      "result": {
        "expectedCells": 20,
        "matchedCells": 20,
        "expectedRows": 3,
        "matchedRows": 3,
        "cellExactMatchRate": 1,
        "rowExactMatchRate": 1,
        "headerSequenceMatched": true
      }
    },
    {
      "id": "scanned-purchase-register-cropped",
      "label": "Right-edge crop failure",
      "source": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/inputs/scanned-purchase-register-cropped.pdf",
        "sha256": "982ebe4c227a628204025e1302140ec7951b45e0e46c7560f0f2196ec49fec61"
      },
      "actualWorkbook": {
        "url": "/benchmarks/conversion-quality/2026-07-19-paddlevl16-v1/scanned-purchase-register-cropped-actual.xlsx",
        "sha256": "49f0d8db363f2d2c03f7f5dfe72fc6f5c90052cc270068d983e2bd12c5070253"
      },
      "result": {
        "expectedCells": 20,
        "matchedCells": 16,
        "expectedRows": 3,
        "matchedRows": 0,
        "cellExactMatchRate": 0.8,
        "rowExactMatchRate": 0,
        "headerSequenceMatched": false
      },
      "failure": {
        "missingHeader": "Amount USD",
        "missingValues": ["425.30", "1180.00", "690.75"],
        "reviewAction": "Use a complete source page before conversion. A source crop cannot be reconstructed from the remaining columns."
      }
    }
  ],
  "reviewChecklist": [
    "Open the source PDF and its actual workbook side by side; do not compare only a headline percentage.",
    "Verify the five headers, three source rows, dates, and Amount USD values against the declared reference workbook.",
    "Check whether blur, contrast loss, or skew changes cell placement before relying on a workbook downstream.",
    "Treat a cropped source as incomplete input and request a complete scan rather than expecting missing columns to be inferred.",
    "Test representative documents from the intended workflow; this one synthetic layout is not a general accuracy claim."
  ],
  "claimBoundary": [
    "This is a four-condition, one-layout synthetic evidence pack, not a general product accuracy rate.",
    "The actual workbooks are one versioned benchmark run and do not prove performance for handwriting, camera perspective, other languages, or naturally noisy archives.",
    "The reference workbook is declared expected data, not a model output or customer document.",
    "The cropped failure remains part of the pack and must not be removed when summarizing the evidence."
  ],
  "requiredPublicationGates": [
    "Keep the specialized /scanned-pdf-to-excel page noindex until its publication gates pass.",
    "Assign a named accountable owner for the page and its 30/60/90-day reviews.",
    "Record approved English-native review with reviewer, date, and evidence before indexing."
  ]
}