{
  "contract": {
    "agency_name": "Department of Defence",
    "amendment_count": 3,
    "category_code": "72100000",
    "contract_end_date": "2026-06-15",
    "contract_id": "CN3753893",
    "contract_start_date": "2021-03-04",
    "currency": "AUD",
    "current_reported_value": "9552682.91",
    "description": "Remediation Services",
    "events": [
      {
        "absolute_change": "26248.75",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-72cb99e8a8133a97aa5a78171e229a94",
        "after_source_hash": "bb4d9e40ca3d2135385afb37e284a8f3de13ace0bbe41e5212c8d60ac70818d9",
        "before_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-98f343a4cbac38e493314260cf94463f",
        "before_source_hash": "5f50a5f5f9e9e077ad48fdeb70044d71165a322ab8f55c906f5f7d4919e7dbbb",
        "contract_id": "CN3753893",
        "detected_at": "2025-07-23T05:16:51Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "5f75d18072ed9183b67577b02a0351c2f7bc735ad5c6ae1b7795416f8ce4f642",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "7047920.12",
        "notice_id": "CN3753893-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/697e675e-a60c-4848-8f78-184818eff9f5",
        "old_value": "7021671.37",
        "percentage_change": "0.37",
        "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/CN3753893",
        "summary": "Reported contract value increased by $26,248.75 (+0.37%)."
      },
      {
        "absolute_change": "49687.00",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-d5cfc15892a932278457b0db9e130856",
        "after_source_hash": "9022848c8dd63a288ce1140ce64dcc900fca3d3181873bacae8e2c16f043e092",
        "before_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-72cb99e8a8133a97aa5a78171e229a94",
        "before_source_hash": "bb4d9e40ca3d2135385afb37e284a8f3de13ace0bbe41e5212c8d60ac70818d9",
        "contract_id": "CN3753893",
        "detected_at": "2025-07-23T05:16:51Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "97389669a7151aef2c769a43490261318611377a29054d6459f9371922861564",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "7097607.12",
        "notice_id": "CN3753893-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/47232c24-fe82-43c8-8df4-eefae2ce57fd",
        "old_value": "7047920.12",
        "percentage_change": "0.70",
        "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/CN3753893",
        "summary": "Reported contract value increased by $49,687.00 (+0.70%)."
      },
      {
        "absolute_change": "2455075.79",
        "adaptation_notice": "Adapted and normalised by ContractDelta AU from AusTender Contract Notice data.",
        "after_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-9ff3b1e39fb531879e920eae7b2cebdb",
        "after_source_hash": "deec2f68fa4da3a19e38a66d7561140a6ad0aad731efa01718ed8c71cb885ad3",
        "before_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-d5cfc15892a932278457b0db9e130856",
        "before_source_hash": "9022848c8dd63a288ce1140ce64dcc900fca3d3181873bacae8e2c16f043e092",
        "contract_id": "CN3753893",
        "detected_at": "2025-07-23T05:16:51Z",
        "direction": "increase",
        "duration_change_days": null,
        "event_id": "bc45ab9c2a2a3284d26b34fa6f5d5f3e3b346ffe951ad5179d87f45208c88c0d",
        "field_label": "Reported Value",
        "field_name": "reported_value",
        "new_value": "9552682.91",
        "notice_id": "CN3753893-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b3445011-018a-4e0d-a49e-9dcf765b7d45",
        "old_value": "7097607.12",
        "percentage_change": "34.59",
        "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/CN3753893",
        "summary": "Reported contract value increased by $2,455,075.79 (+34.59%)."
      }
    ],
    "evidence_path": "evidence/CN3753893.json",
    "latest_modified_at": "2025-07-23T05:16:51Z",
    "notice_id": "CN3753893-A3",
    "official_record_url": "https://www.tenders.gov.au/Cn/Show/b3445011-018a-4e0d-a49e-9dcf765b7d45",
    "original_reported_value": "7021671.37",
    "procurement_method": "Open tender",
    "source_url": "https://api.tenders.gov.au/ocds/findById/CN3753893",
    "supplier_name": "S & A CONTRACTING PTY LTD",
    "title": "4600008629",
    "value_change": "2531011.54",
    "value_change_percentage": "36.05",
    "versions": [
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-15",
        "contract_id": "CN3753893",
        "contract_start_date": "2021-03-04",
        "currency": "AUD",
        "description": "Remediation Services",
        "notice_id": "CN3753893",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/0e9326bf-f2d1-48c0-acbe-5aa1da34798e",
        "procurement_method": "Open tender",
        "reported_value": "7021671.37",
        "source_hash": "5f50a5f5f9e9e077ad48fdeb70044d71165a322ab8f55c906f5f7d4919e7dbbb",
        "source_modified_at": "2021-03-11T04:22:32Z",
        "source_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-98f343a4cbac38e493314260cf94463f",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3753893",
        "supplier_name": "S & A CONTRACTING PTY LTD",
        "title": "4600008629"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-15",
        "contract_id": "CN3753893",
        "contract_start_date": "2021-03-04",
        "currency": "AUD",
        "description": "Remediation Services",
        "notice_id": "CN3753893-A1",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/697e675e-a60c-4848-8f78-184818eff9f5",
        "procurement_method": "Open tender",
        "reported_value": "7047920.12",
        "source_hash": "bb4d9e40ca3d2135385afb37e284a8f3de13ace0bbe41e5212c8d60ac70818d9",
        "source_modified_at": "2025-07-23T05:16:51Z",
        "source_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-72cb99e8a8133a97aa5a78171e229a94",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3753893",
        "supplier_name": "S & A CONTRACTING PTY LTD",
        "title": "4600008629"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-15",
        "contract_id": "CN3753893",
        "contract_start_date": "2021-03-04",
        "currency": "AUD",
        "description": "Remediation Services",
        "notice_id": "CN3753893-A2",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/47232c24-fe82-43c8-8df4-eefae2ce57fd",
        "procurement_method": "Open tender",
        "reported_value": "7097607.12",
        "source_hash": "9022848c8dd63a288ce1140ce64dcc900fca3d3181873bacae8e2c16f043e092",
        "source_modified_at": "2025-07-23T05:16:51Z",
        "source_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-d5cfc15892a932278457b0db9e130856",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3753893",
        "supplier_name": "S & A CONTRACTING PTY LTD",
        "title": "4600008629"
      },
      {
        "agency_name": "Department of Defence",
        "category_code": "72100000",
        "contract_end_date": "2026-06-15",
        "contract_id": "CN3753893",
        "contract_start_date": "2021-03-04",
        "currency": "AUD",
        "description": "Remediation Services",
        "notice_id": "CN3753893-A3",
        "official_record_url": "https://www.tenders.gov.au/Cn/Show/b3445011-018a-4e0d-a49e-9dcf765b7d45",
        "procurement_method": "Open tender",
        "reported_value": "9552682.91",
        "source_hash": "deec2f68fa4da3a19e38a66d7561140a6ad0aad731efa01718ed8c71cb885ad3",
        "source_modified_at": "2025-07-23T05:16:51Z",
        "source_release_id": "prod-98991aa907d34e92ba4d0ae74e63d86c-9ff3b1e39fb531879e920eae7b2cebdb",
        "source_url": "https://api.tenders.gov.au/ocds/findById/CN3753893",
        "supplier_name": "S & A CONTRACTING PTY LTD",
        "title": "4600008629"
      }
    ]
  },
  "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"
  }
}