{
  "version": "0.2.0",
  "data_cutoff": "2026-09-30",
  "sources": [
    {
      "source_id": "ads-library-records",
      "publisher": "Archaeology Data Service",
      "dataset_or_page": "ADS Library record pages",
      "source_url": "https://archaeologydataservice.ac.uk/library/",
      "retrieval_date": "2026-09-30",
      "geographic_coverage": "Selected public report metadata for Cambridgeshire, England",
      "licence": "Record-level licence retained in every derived row",
      "permitted_reuse": "This atlas links to public bibliographic metadata and source pages only. It does not redistribute report PDFs or claim a blanket reuse licence for all ADS records. Reuse of a source record remains subject to its displayed licence and the ADS access terms.",
      "limitations": "This is a deliberately audited seed catalogue, not a complete ADS, OASIS or Cambridgeshire HER extract. Direct automated retrieval from the source domain returned 403 during the build, so records were constrained to pages independently visible in public discovery results and manually checked against their public snippets."
    },
    {
      "source_id": "cambridgeshire-her-context",
      "publisher": "Cambridgeshire County Council",
      "dataset_or_page": "Cambridgeshire Historic Environment Record guidance",
      "source_url": "https://www.cambridgeshire.gov.uk/residents/libraries-leisure-culture/archaeology/cambridgeshire-historic-environment-record-cher",
      "retrieval_date": "2026-09-30",
      "geographic_coverage": "Cambridgeshire",
      "licence": "Not incorporated as a dataset in this release",
      "permitted_reuse": "Referenced as an authoritative research source only; no HER records are copied, bulk-harvested or redistributed.",
      "limitations": "The atlas is not a substitute for a CHER search, planning advice or site-specific assessment."
    }
  ],
  "date_published": "2026-09-30",
  "date_modified": "2026-10-13",
  "release_notes": [
    "Documentation and release integrity upgrade; existing 11 source records retained, not newly primary-verified.",
    "Public field dictionary, manifest and methodology; consistent versioned exports and source-level citations."
  ],
  "source_verification": {
    "date": "2026-09-30",
    "method": "Public discovery snippets recorded in the original release; full primary-page verification is not established for every field.",
    "status": "partial"
  }
}