{
  "generated_at": "2026-07-23T07:33:10+00:00",
  "status": "validated",
  "method_version": "official-cell-validation-v1",
  "qualification": "Validated rows are traceable reproductions of official OLG workbook cells. Validation does not erase source nulls, establish council continuity across amalgamations, or approve a metric for a composite score.",
  "summary": {
    "checks": 11,
    "passed": 11,
    "failed": 0,
    "official_workbooks": 14,
    "official_directory_records": 128,
    "newly_promotable_observations": 611870,
    "validated_observations": 611870,
    "validated_current_councils": 128,
    "unresolved_or_provisional_olg_observations": 269124
  },
  "checks": [
    {
      "id": "official-workbook-catalog",
      "status": "pass",
      "evidence": "14 successful OLG time-series workbook records are in the acquisition catalog."
    },
    {
      "id": "content-addressed-source-files",
      "status": "pass",
      "evidence": "Every archived OLG workbook matches its catalogued SHA-256."
    },
    {
      "id": "current-web-snapshot-grain",
      "status": "pass",
      "evidence": "128 current web rows and 128 unique council slugs."
    },
    {
      "id": "current-web-snapshot-source",
      "status": "pass",
      "evidence": "The published current snapshot identifies the catalogued 2024-25 OLG workbook."
    },
    {
      "id": "sqlite-integrity",
      "status": "pass",
      "evidence": "Integrity check: ok; foreign-key errors: 0."
    },
    {
      "id": "catalog-database-reconciliation",
      "status": "pass",
      "evidence": "15 official workbook/directory rows reconcile to the content-addressed catalog."
    },
    {
      "id": "official-directory-core-fields",
      "status": "pass",
      "evidence": "128 councils have official name, website, phone, postal and street-address values from the archived OLG directory."
    },
    {
      "id": "one-observation-per-source-cell",
      "status": "pass",
      "evidence": "0 duplicate source-cell groups."
    },
    {
      "id": "observation-provenance",
      "status": "pass",
      "evidence": "0 mapped observations lack a source table, cell, metric or period."
    },
    {
      "id": "mapped-values-present",
      "status": "pass",
      "evidence": "0 mapped observations contain neither a numeric nor text value."
    },
    {
      "id": "current-source-council-coverage",
      "status": "pass",
      "evidence": "The current OLG workbook maps observations to 128 of 128 councils."
    }
  ],
  "sources": [
    {
      "source_id": "olg-time-series-1994-2011",
      "period": "1994-95_to_2010-11",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/comparative-information-on-nsw-local-government-1994-2011-time-series-data.xls",
      "sha256": "7ac147ce7b6ce75b30907a84a6513acd0796bbcbe3028671a9a68dda27d13797",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-1994-2015",
      "period": "1994-95_to_2014-15",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-1994-2015.xls",
      "sha256": "402f2500192b0c6a614663072afe8404bb5b62cdf92d15fb1e73f8bd6199e608",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2011-14",
      "period": "2011-12_to_2013-14",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2011-12-2013-14.xlsx",
      "sha256": "dd6f66e801caaec9dadd454488a46aed4b0f55ffab82bc592226b69a124879f5",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2014-15",
      "period": "2014-15",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2014-15_1.xls",
      "sha256": "baf59e3a00a8131a90710eabb12f9497218795510b180f0945c62527e26a600d",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2015-16",
      "period": "2015-16",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2015-16.xls",
      "sha256": "62bb1e2c38332f872564fb98c103d0053b842341720f62a1f9951b697dd279a2",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2016-17",
      "period": "2016-17",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2016-17.xls",
      "sha256": "42a1b4c0782f2a62c22c4ab030cedace8c0fe8420d587fc3b4fdc9e4cbb430f7",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2017-18",
      "period": "2017-18",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2017-2018.xls",
      "sha256": "69fd629165a018a70a6a412acb3159e08190347bb0ab92aab26c4f9a56fdc3f6",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2018-19",
      "period": "2018-19",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2018-2019.xlsx",
      "sha256": "f9c99658b305be86b0b4b9a47586ada12af7bb78a01bf952ca4de80e763dfcd4",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2019-20",
      "period": "2019-20",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2019-2020.xlsx",
      "sha256": "a29009e0ffdd97482ea8f3d60f58b71df4a580517ca9122eef21d6d736332c9a",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2020-21",
      "period": "2020-21",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2020-2021.xlsx",
      "sha256": "626310275342198071e2c8df8c38e04d02a35f51ef13ecb2c408af2a57574bd3",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2021-22",
      "period": "2021-22",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2021-22.xlsx",
      "sha256": "7353f7f7c99c628b2785b5ba57ae7bbc56126349b3a36afc01c036df5d49becc",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2022-23",
      "period": "2022-23",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2022-23.xlsx",
      "sha256": "062de94424575d1eaec948c710460ccdd09f08d0ebd15ed799e7e95fdc8c7255",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2023-24",
      "period": "2023-24",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-02/time-series-data-2023-24.xlsx",
      "sha256": "e760f245dc28a7bb9d54e21aca614641d88df21a67a7ec91805dfe04ecb15e32",
      "validation_status": "validated"
    },
    {
      "source_id": "olg-time-series-2024-25",
      "period": "2024-25",
      "source_url": "https://www.olg.nsw.gov.au/sites/default/files/2026-05/time-series-data-2024-2025.xlsx",
      "sha256": "11d79f8642a7610579dbcfcab68f9acd2c84e17b60ab7544ba846e6ebbc0cdc3",
      "validation_status": "validated"
    }
  ]
}