{
  "contract": {
    "agency_name": "Australian Signals Directorate",
    "amendment_count": 1,
    "category_code": "86000000",
    "contract_end_date": "2025-12-31",
    "contract_id": "CN4171192",
    "contract_start_date": "2025-07-11",
    "currency": "AUD",
    "current_reported_value": "4000000.00",
    "description": "Training Services",
    "events": [
      {
        "absolute_change": "-400000.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-c4c7360408c942b18c03ac05ce7185ce-981745106e823152859969e987f0a96b",
        "after_source_hash": "deb7f47418bc899bf9cda8df8666b5069f22297861ecd80a57875f5e4ba46171",
        "before_release_id": "prod-c4c7360408c942b18c03ac05ce7185ce-290bdf4221b53e209b35aa052ae3cb8b",
        "before_source_hash": "b35ad0b530c7508fe62b27032266e2fb60778bd96bc0d1928294b0dd85cf61f5",
        "contract_id": "CN4171192",
        "detected_at": "2025-07-23T04:19:09Z",
        "direction": "decrease",
        "duration_change_days": null,
        "event_id": "677b46c015836c79ec52e69bb9e9f2fcd2d62312577716af9e3428b536347e70",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "4000000.00",
        "notice_id": "CN4171192-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/41f969bb-0f48-4494-8e42-470a4705af89",
        "old_value": "4400000.00",
        "percentage_change": "-9.09",
        "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/CN4171192",
        "summary": "Reported contract value decreased by $400,000.00 (-9.09%)."
      }
    ],
    "evidence_path": "evidence/CN4171192.json",
    "latest_modified_at": "2025-07-23T04:19:09Z",
    "notice_id": "CN4171192-A1",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/41f969bb-0f48-4494-8e42-470a4705af89",
    "original_reported_value": "4400000.00",
    "procurement_method": "Limited tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN4171192",
    "supplier_name": "SANS TRAINING AUSTRALIA PTY LIMITED",
    "title": "3000127851",
    "value_change": "-400000.00",
    "value_change_percentage": "-9.09",
    "versions": [
      {
        "agency_name": "Australian Signals Directorate",
        "category_code": "86000000",
        "contract_end_date": "2025-12-31",
        "contract_id": "CN4171192",
        "contract_start_date": "2025-07-11",
        "currency": "AUD",
        "description": "Training Services",
        "notice_id": "CN4171192",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/ffa90412-bba1-4349-b560-bd4d2c42222f",
        "procurement_method": "Limited tender",
        "reported_value": "4400000.00",
        "source_hash": "b35ad0b530c7508fe62b27032266e2fb60778bd96bc0d1928294b0dd85cf61f5",
        "source_modified_at": "2025-07-17T23:02:30Z",
        "source_release_id": "prod-c4c7360408c942b18c03ac05ce7185ce-290bdf4221b53e209b35aa052ae3cb8b",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4171192",
        "supplier_name": "SANS TRAINING AUSTRALIA PTY LIMITED",
        "title": "3000127851"
      },
      {
        "agency_name": "Australian Signals Directorate",
        "category_code": "86000000",
        "contract_end_date": "2025-12-31",
        "contract_id": "CN4171192",
        "contract_start_date": "2025-07-11",
        "currency": "AUD",
        "description": "Training Services",
        "notice_id": "CN4171192-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/41f969bb-0f48-4494-8e42-470a4705af89",
        "procurement_method": "Limited tender",
        "reported_value": "4000000.00",
        "source_hash": "deb7f47418bc899bf9cda8df8666b5069f22297861ecd80a57875f5e4ba46171",
        "source_modified_at": "2025-07-23T04:19:09Z",
        "source_release_id": "prod-c4c7360408c942b18c03ac05ce7185ce-981745106e823152859969e987f0a96b",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN4171192",
        "supplier_name": "SANS TRAINING AUSTRALIA PTY LIMITED",
        "title": "3000127851"
      }
    ]
  },
  "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": "2026-07-17T05:22:06Z",
  "schema_version": "1.0",
  "source": {
    "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
    "coverage": {
      "amended_contracts_discovered": 851,
      "amended_contracts_selected": 20,
      "amended_contracts_skipped": 831,
      "max_amended_contracts": 20,
      "mode": "bounded_amendments",
      "query_end": "2026-07-20T23:59:59.999999Z",
      "query_start": "2026-07-12T00:00:00Z",
      "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"
  }
}