{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 1,
    "category_code": "25111900",
    "contract_end_date": "2027-06-30",
    "contract_id": "CN4179707",
    "contract_start_date": "2025-07-31",
    "currency": "AUD",
    "current_reported_value": "903085403.00",
    "description": "Sustainment Services",
    "events": [
      {
        "absolute_change": "245471981.10",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-b4a84073901a4219bdaeb111f805575f-ebd17de9a8f43e0bb09a39a1f16f5dcc",
        "after_source_hash": "246c1f3001516d6e8037ac39b814631d62033dcd27990e16e0dc455d7a559fd0",
        "before_release_id": "prod-b4a84073901a4219bdaeb111f805575f-b0290ed448313ab6b4e2bedf0ed160ef",
        "before_source_hash": "ddb0830a77c45730a06bffd2d38401c56b1af3dcda62d2bea857aec4a1c83a67",
        "contract_id": "CN4179707",
        "detected_at": "2026-07-24T03:23:16Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "e4aa701cb1ed4f05b989cd98d0be913aed376c650b48914ab704383ea042c480",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "903085403.00",
        "notice_id": "CN4179707-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4daa2ebb-5332-4ba0-b74e-3a972163215e",
        "old_value": "657613421.90",
        "percentage_change": "37.33",
        "source_license": "https://creativecommons.org/licenses/by/3.0/au/",
        "source_publisher": "Australian Government Department of Finance",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4179707",
        "summary": "Reported contract value increased by $245,471,981.10 (+37.33%)."
      }
    ],
    "evidence_path": "evidence/CN4179707.json",
    "latest_modified_at": "2026-07-24T03:23:16Z",
    "notice_id": "CN4179707-A1",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/4daa2ebb-5332-4ba0-b74e-3a972163215e",
    "original_reported_value": "657613421.90",
    "procurement_method": "Limited tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4179707",
    "supplier_name": "ASC PTY LTD",
    "title": "4610001298",
    "value_change": "245471981.10",
    "value_change_percentage": "37.33",
    "versions": [
      {
        "agency_name": "Department of Defence",
        "category_code": "25111900",
        "contract_end_date": "2027-06-30",
        "contract_id": "CN4179707",
        "contract_start_date": "2025-07-31",
        "currency": "AUD",
        "description": "Sustainment Services",
        "notice_id": "CN4179707",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4637489c-bd1a-4e39-8b11-bb3765edd425",
        "procurement_method": "Limited tender",
        "reported_value": "657613421.90",
        "source_hash": "ddb0830a77c45730a06bffd2d38401c56b1af3dcda62d2bea857aec4a1c83a67",
        "source_modified_at": "2025-08-14T02:03:02Z",
        "source_release_id": "prod-b4a84073901a4219bdaeb111f805575f-b0290ed448313ab6b4e2bedf0ed160ef",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4179707",
        "supplier_name": "ASC PTY LTD",
        "title": "4610001298"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "25111900",
        "contract_end_date": "2027-06-30",
        "contract_id": "CN4179707",
        "contract_start_date": "2025-07-31",
        "currency": "AUD",
        "description": "Sustainment Services",
        "notice_id": "CN4179707-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/4daa2ebb-5332-4ba0-b74e-3a972163215e",
        "procurement_method": "Limited tender",
        "reported_value": "903085403.00",
        "source_hash": "246c1f3001516d6e8037ac39b814631d62033dcd27990e16e0dc455d7a559fd0",
        "source_modified_at": "2026-07-24T03:23:16Z",
        "source_release_id": "prod-b4a84073901a4219bdaeb111f805575f-ebd17de9a8f43e0bb09a39a1f16f5dcc",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4179707",
        "supplier_name": "ASC PTY LTD",
        "title": "4610001298"
      }
    ]
  },
  "disclaimer": "ContractDelta identifies changes in publicly reported procurement records. A change is not evidence of misconduct. Contract amendments can result from legitimate changes in scope, timing, pricing, reporting, or data correction.",
  "generated_at": "2026-07-31T04:07:58Z",
  "schema_version": "1.0",
  "source": {
    "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
    "coverage": {
      "amended_contracts_discovered": 950,
      "amended_contracts_selected": 20,
      "amended_contracts_skipped": 930,
      "max_amended_contracts": 20,
      "mode": "bounded_amendments",
      "query_end": "2026-08-03T23:59:59.999999Z",
      "query_start": "2026-07-26T00:00:00Z",
      "selection_method": "Explicit amendment contracts were ranked by current reported value, then source modification time and contract ID. Only the highest-ranked bounded set was processed."
    },
    "license": "https://creativecommons.org/licenses/by/3.0/au/",
    "name": "AusTender OCDS API",
    "publisher": "Australian Government Department of Finance"
  }
}