{
  "schema": "three-versions-evidence-review/v1",
  "date": "2026-09-17",
  "sourcePackageSha256": "e225a335e7bc7589bf1956149a4673d0ce4d4dc1af7dc67f271027bf5fbd3866",
  "status": "numerical-evidence-verified",
  "method": "Independent Node arithmetic against frozen official responses and exports, official PDF table comparison, original spreadsheet/CSV checks, and selected live World Bank observations. Supplied reconciliation code was inspected, not executed; inherited package QA was not used as proof.",
  "checked": {
    "figures": 29,
    "exactValueRows": 672,
    "comparisonRows": 2833,
    "frozenWdiResponses": 38,
    "pisaMeanStandardErrorIntervalGroups": 90,
    "displayedReadingPercentileGroups": 6,
    "liveWdiHeadlineObservations": 15,
    "bilateralExports": 6,
    "mirrorImports": 6,
    "worldExportDenominators": 3,
    "destinationShares": 9,
    "extractedFilesMatchedToArchive": 130
  },
  "nativeCorrections": [
    {
      "id": "E01",
      "inputIssue": "The supplied reusable comparison metadata labels population and crude birth rate as percentages.",
      "nativeTreatment": "Correct the downloadable comparison metadata to people and births per 1,000 people respectively. Do not rescale the verified observations. Population maps and passports retain their explicitly labeled million-person measure."
    },
    {
      "id": "E02",
      "inputIssue": "Mixed World Bank/IMF extracts carry an overbroad CC BY 4.0 label.",
      "nativeTreatment": "Use source-specific rights and attribution from the supplied source register, not a blanket package license. Frozen raw files remain immutable; full copyrighted reports are excluded."
    },
    {
      "id": "E03",
      "inputIssue": "The fiscal figure omits its nominal-GDP weighting input from the displayed source list.",
      "nativeTreatment": "Add S038, IMF nominal GDP, and S039, methodological appendix, beside S011 expenditure. Preserve the verified EU ratio of 49.01964907320281%."
    }
  ],
  "pisaVerification": {
    "assessment": 2025,
    "reportPublicationYear": 2026,
    "officialReportSha256": "5616fa66460fb8b0a98bef65ef5b91731b708b03bc15e69ab3f16fd65f5f40d0",
    "editionAndDisplayedValuesVerified": true,
    "preciseReleaseDayIndependentlyVerified": false,
    "samplingFlags": [
      "CAN",
      "USA",
      "NLD"
    ],
    "canada": "Weighted student response 77.4%, below the 80% standard; the report notes potential upward student-level bias.",
    "qualification": "The precise US/Netherlands adjudication text was not independently re-extracted. Preserve the source flags without inventing stronger wording.",
    "excludedSourceAnomaly": "The inconsistent OECD-average science-percentile row is excluded from all displayed figures. No replacement value is invented."
  },
  "headlineBoundary": {
    "euUnderFiveMortality2024": 3.86440469010109,
    "unit": "per 1,000 live births",
    "status": "official modeled mortality probability, not a cohort death count"
  },
  "limitations": [
    "Counts overlap across extracts and figures; they are not counts of independent economic observations.",
    "Unshown PISA percentile groups received schema/consistency checks, not a complete PDF retranscription.",
    "Source policy claims received lineage checks, not a fresh legal-status audit; this native story does not use them as new policy findings.",
    "Complete legal clearance, field performance and formal comprehensive accessibility certification are not established by this evidence audit."
  ]
}