{
 "schemaVersion": "1.0.0",
 "constitutionVersion": "1.0.0",
 "createdAt": "2026-08-12T00:00:00Z",
 "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.",
 "entity": {
  "type": "project",
  "id": "sydney-digital-twin",
  "title": "NSW Spatial Digital Twin",
  "canonicalUrl": "https://1001smartcities.org/projects/sydney-digital-twin/"
 },
 "currentRevisionId": "2026-08-20-source-dates-r2",
 "revisions": [
  {
   "id": "2026-08-12-sydney-evidence-baseline",
   "createdAt": "2026-08-12T03:00:00Z",
   "effectiveAt": "2026-08-12",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 4 claims and 5 source dossiers.",
   "preparedBy": {
    "type": "automation",
    "label": "AI-assisted evidence preparation",
    "humanApproved": false
   },
   "review": {
    "status": "unreviewed",
    "by": null,
    "date": null,
    "note": "Awaiting operator and domain-expert review; publication of this revision implies neither."
   },
   "changes": [
    {
     "operation": "add",
     "path": "/evidencePassport",
     "summary": "Added claim-level evidence mapping and source dossiers."
    },
    {
     "operation": "add",
     "path": "/revisionHistory",
     "summary": "Established a permanent, hash-addressed baseline revision."
    }
   ],
   "snapshotHash": "sha256:13260cff9dd5f6a3dbfd689daf44c9108521799ad18bdbbd6722f24c37b1ecc0",
   "snapshot": {
    "asOf": "2026-08-12",
    "projectFingerprint": "sha256:512fc4ee3ee070e50afc11b7b416d8afdd19954869dbbd4809f04e7f1a5a4960",
    "assurance": {
     "status": "unreviewed",
     "scope": "evidence-passport-revision",
     "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.",
     "machineChecks": [
      "schema",
      "publication-diff-contract",
      "material-project-fingerprint",
      "claim-text-drift",
      "source-reference-resolution",
      "complete-source-dossier",
      "snapshot-hash"
     ]
    },
    "projectState": {
     "status": "live",
     "outcome": "ongoing",
     "evidenceGrade": "official",
     "timeline": {
      "started": 2020,
      "ended": null
     }
    },
    "governance": {
     "operator": "NSW Department of Customer Service – Spatial Services, with CSIRO's Data61",
     "actorTypes": [
      "regional-government",
      "research"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-79bd501aebf73883",
      "field": "snippet",
      "text": "NSW's Department of Customer Service launched a public 3D/4D digital twin in February 2020, first mapping Western Sydney's buildings, terrain, property boundaries and utilities with CSIRO's Data61.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b9f91ea56a585b03"
      ],
      "supportNote": "iTnews dates the launch to 24 February 2020, identifies NSW Spatial Services and Data61, describes public access and lists buildings, terrain, property boundaries and utilities in the Western Sydney 4D model.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-42cf40cfd20f5a51",
      "field": "snippet",
      "text": "It grew to eight Western Sydney council areas, then a rebuilt viewer, SDT Explorer, replaced the state's SIX Maps portal in May 2025.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0148958884807024",
       "src-ce8bf62a372d8404"
      ],
      "supportNote": "The NSW Government announcement reports coverage across eight Western Sydney councils; the Institution of Surveyors NSW states that SIX Maps retired and SDT Explorer launched on 1 May 2025.",
      "caveat": "The official NSW announcement could not be fetched automatically in this pass; its mapped figures remain unreviewed.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-d63be9d9e24ba227",
      "field": "impact",
      "text": "Received 18 million requests for 3D datasets in the 12 months following its funding boost (c. 2021–22)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0148958884807024"
      ],
      "supportNote": "The NSW Government announcement reports 18 million requests for 3D datasets during the stated 12-month period.",
      "caveat": "Operator-reported usage, not an independently audited outcome; the source could not be fetched automatically in this pass.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-c6a8490f2e68dc8e",
      "field": "impact",
      "text": "a rebuilt public viewer, SDT Explorer, replaced the state's SIX Maps portal on 1 May 2025.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ce8bf62a372d8404"
      ],
      "supportNote": "The Institution of Surveyors NSW states that DCS Spatial Services retired SIX Maps and launched SDT Explorer on 1 May 2025.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-b9f91ea56a585b03",
      "title": "iTnews — NSW spatial digital twin goes live",
      "url": "https://www.itnews.com.au/news/nsw-spatial-digital-twin-goes-live-538477",
      "publisher": {
       "name": null,
       "domain": "itnews.com.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-79bd501aebf73883"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-12",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Launch date, operator, initial Western Sydney coverage.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0148958884807024",
      "title": "NSW Government — Digital Twin revolutionises planning data for NSW",
      "url": "https://www.nsw.gov.au/media-releases/digital-twin-revolutionises-planning-data-for-nsw",
      "publisher": {
       "name": null,
       "domain": "nsw.gov.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-42cf40cfd20f5a51",
       "clm-d63be9d9e24ba227"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-12",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official announcement of $40m funding, 8-council coverage, 18m dataset requests.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-b1bb03c33e981348",
      "title": "iTnews — NSW gov puts $40m towards statewide digital twin",
      "url": "https://www.itnews.com.au/news/nsw-gov-puts-40m-towards-statewide-digital-twin-573528",
      "publisher": {
       "name": null,
       "domain": "itnews.com.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-12",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent confirmation of funding and statewide rollout plan.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ce8bf62a372d8404",
      "title": "Institution of Surveyors NSW — SDT Explorer to replace SIX Maps",
      "url": "https://www.surveyors.org.au/news-item/18991/sdt-explorer-to-replace-six-maps-in-may-2025",
      "publisher": {
       "name": null,
       "domain": "surveyors.org.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-42cf40cfd20f5a51",
       "clm-c6a8490f2e68dc8e"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-12",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Confirms platform is live and actively rebuilt as of May 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-d0bc88be9dcbd2db",
      "title": "Digital.NSW — Spatial Digital Twin capability uplift pilot",
      "url": "https://www.digital.nsw.gov.au/strategy/case-studies/spatial-digital-twin-capability-uplift-pilot",
      "publisher": {
       "name": null,
       "domain": "digital.nsw.gov.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-12",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official NSW government case study, 2024–25 agency adoption program.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 4,
     "claimsMapped": 4,
     "sourcesTotal": 5,
     "sourcesUsedByClaims": 3,
     "sourcesWithPublicationDate": 0,
     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
     "sourcesWithContentHash": 0
    },
    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
    ]
   }
  },
  {
   "id": "2026-08-20-source-dates-r2",
   "createdAt": "2026-08-20T20:00:00Z",
   "effectiveAt": "2026-08-12",
   "changeType": "update",
   "summary": "Record the publication date of each source that states one; sources that publish no date are marked null.",
   "preparedBy": {
    "type": "automation",
    "label": "AI-assisted evidence preparation",
    "humanApproved": false
   },
   "review": {
    "status": "unreviewed",
    "by": null,
    "date": null,
    "note": "Awaiting operator and domain-expert review; publication of this revision implies neither."
   },
   "changes": [
    {
     "operation": "replace",
     "path": "/snapshot/projectFingerprint",
     "summary": "Updated projectFingerprint to the current sourced project record."
    },
    {
     "operation": "replace",
     "path": "/snapshot/sources",
     "summary": "Updated sources to the current sourced project record."
    }
   ],
   "snapshotHash": "sha256:c472017ef72be71916e6249769d1bc62d0a9f26b527a4d45bea46aeb3ff58264",
   "snapshot": {
    "asOf": "2026-08-12",
    "projectFingerprint": "sha256:ca9ec6b5bc3d7203e116ef8f85cae03effba1391cb169ebf73dd3919d4aca8d8",
    "assurance": {
     "status": "unreviewed",
     "scope": "evidence-passport-revision",
     "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.",
     "machineChecks": [
      "schema",
      "publication-diff-contract",
      "material-project-fingerprint",
      "claim-text-drift",
      "source-reference-resolution",
      "complete-source-dossier",
      "snapshot-hash"
     ]
    },
    "projectState": {
     "status": "live",
     "outcome": "ongoing",
     "evidenceGrade": "official",
     "timeline": {
      "started": 2020,
      "ended": null
     }
    },
    "governance": {
     "operator": "NSW Department of Customer Service – Spatial Services, with CSIRO's Data61",
     "actorTypes": [
      "regional-government",
      "research"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-79bd501aebf73883",
      "field": "snippet",
      "text": "NSW's Department of Customer Service launched a public 3D/4D digital twin in February 2020, first mapping Western Sydney's buildings, terrain, property boundaries and utilities with CSIRO's Data61.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b9f91ea56a585b03"
      ],
      "supportNote": "iTnews dates the launch to 24 February 2020, identifies NSW Spatial Services and Data61, describes public access and lists buildings, terrain, property boundaries and utilities in the Western Sydney 4D model.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-42cf40cfd20f5a51",
      "field": "snippet",
      "text": "It grew to eight Western Sydney council areas, then a rebuilt viewer, SDT Explorer, replaced the state's SIX Maps portal in May 2025.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0148958884807024",
       "src-ce8bf62a372d8404"
      ],
      "supportNote": "The NSW Government announcement reports coverage across eight Western Sydney councils; the Institution of Surveyors NSW states that SIX Maps retired and SDT Explorer launched on 1 May 2025.",
      "caveat": "The official NSW announcement could not be fetched automatically in this pass; its mapped figures remain unreviewed.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-d63be9d9e24ba227",
      "field": "impact",
      "text": "Received 18 million requests for 3D datasets in the 12 months following its funding boost (c. 2021–22)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0148958884807024"
      ],
      "supportNote": "The NSW Government announcement reports 18 million requests for 3D datasets during the stated 12-month period.",
      "caveat": "Operator-reported usage, not an independently audited outcome; the source could not be fetched automatically in this pass.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-c6a8490f2e68dc8e",
      "field": "impact",
      "text": "a rebuilt public viewer, SDT Explorer, replaced the state's SIX Maps portal on 1 May 2025.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ce8bf62a372d8404"
      ],
      "supportNote": "The Institution of Surveyors NSW states that DCS Spatial Services retired SIX Maps and launched SDT Explorer on 1 May 2025.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-b9f91ea56a585b03",
      "title": "iTnews — NSW spatial digital twin goes live",
      "url": "https://www.itnews.com.au/news/nsw-spatial-digital-twin-goes-live-538477",
      "publisher": {
       "name": null,
       "domain": "itnews.com.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-79bd501aebf73883"
      ],
      "temporal": {
       "publishedAt": "2020-02-24",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Launch date, operator, initial Western Sydney coverage.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0148958884807024",
      "title": "NSW Government — Digital Twin revolutionises planning data for NSW",
      "url": "https://www.nsw.gov.au/media-releases/digital-twin-revolutionises-planning-data-for-nsw",
      "publisher": {
       "name": null,
       "domain": "nsw.gov.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-42cf40cfd20f5a51",
       "clm-d63be9d9e24ba227"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official announcement of $40m funding, 8-council coverage, 18m dataset requests.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-b1bb03c33e981348",
      "title": "iTnews — NSW gov puts $40m towards statewide digital twin",
      "url": "https://www.itnews.com.au/news/nsw-gov-puts-40m-towards-statewide-digital-twin-573528",
      "publisher": {
       "name": null,
       "domain": "itnews.com.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2021-12-03",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent confirmation of funding and statewide rollout plan.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ce8bf62a372d8404",
      "title": "Institution of Surveyors NSW — SDT Explorer to replace SIX Maps",
      "url": "https://www.surveyors.org.au/news-item/18991/sdt-explorer-to-replace-six-maps-in-may-2025",
      "publisher": {
       "name": null,
       "domain": "surveyors.org.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-42cf40cfd20f5a51",
       "clm-c6a8490f2e68dc8e"
      ],
      "temporal": {
       "publishedAt": "2025-04-14",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Confirms platform is live and actively rebuilt as of May 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-d0bc88be9dcbd2db",
      "title": "Digital.NSW — Spatial Digital Twin capability uplift pilot",
      "url": "https://www.digital.nsw.gov.au/strategy/case-studies/spatial-digital-twin-capability-uplift-pilot",
      "publisher": {
       "name": null,
       "domain": "digital.nsw.gov.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-12",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official NSW government case study, 2024–25 agency adoption program.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 4,
     "claimsMapped": 4,
     "sourcesTotal": 5,
     "sourcesUsedByClaims": 3,
     "sourcesWithPublicationDate": 3,
     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
     "sourcesWithContentHash": 0
    },
    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
    ]
   }
  }
 ]
}
