{
 "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": "dubai-digital-twin-platform",
  "title": "Dubai Digital Twin: 195,000 buildings, and no public door",
  "canonicalUrl": "https://1001smartcities.org/projects/dubai-digital-twin-platform/"
 },
 "currentRevisionId": "2026-08-20-baseline",
 "revisions": [
  {
   "id": "2026-08-20-baseline",
   "createdAt": "2026-08-20T09:00:00Z",
   "effectiveAt": "2026-08-20",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 4 claims and 2 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": "sha256:5b3aa785dd46aea90d7539afb6e2f464f0a32cef7209ea5df8d8c15c3e0c27d5",
   "snapshot": {
    "asOf": "2026-08-20",
    "projectFingerprint": "sha256:8ee3d8db8ae8a39fea0cbe1e9b231d04a129fd4093e0390dee8e1e932a292af7",
    "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": 2026,
      "ended": null
     }
    },
    "governance": {
     "operator": "Dubai Municipality",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": null,
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-869a38610811cf7a",
      "field": "snippet",
      "text": "3D models of more than 195,000 buildings, more than 280,000 infrastructure assets and more than 330,000 public facilities",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b64c6c39063555dc"
      ],
      "supportNote": "The government announcement gives 3D models of more than 195,000 buildings, more than 280,000 infrastructure assets converted into 3D models, and more than 330,000 public facilities and assets.",
      "caveat": "All figures are the operator's own, published on the day of launch. No independent count exists.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-613a4e599ee17e39",
      "field": "snippet",
      "text": "more than 1,500 geospatial data layers and over 100 two- and three-dimensional applications",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b64c6c39063555dc"
      ],
      "supportNote": "The announcement states the platform brings together more than 1,500 geospatial data layers and supports over 100 two- and three-dimensional applications.",
      "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-9806d73276546cfc",
      "field": "snippet",
      "text": "The named uses are urban planning, infrastructure and asset management, rainfall simulation and the analysis of future scenarios",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b64c6c39063555dc",
       "src-bc80b42358a38410"
      ],
      "supportNote": "The announcement lists urban planning, infrastructure and asset management, rainfall simulation and the simulation and analysis of future scenarios; Fast Company Middle East repeats rainfall modelling among the next-phase applications.",
      "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-afd4ed997a08faed",
      "field": "snippet",
      "text": "memoranda of understanding with Al-Futtaim Group and Huawei were signed at the launch",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b64c6c39063555dc",
       "src-bc80b42358a38410"
      ],
      "supportNote": "Both the government announcement and Fast Company Middle East record memoranda of understanding signed at the event between Dubai Municipality, Al-Futtaim Group and Huawei.",
      "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-b64c6c39063555dc",
      "title": "Dubai Media Office — Hamdan bin Mohammed witnesses launch of Dubai Digital Twin Platform",
      "url": "https://mediaoffice.ae/en/news/2026/july/02-07/hamdan-bin-mohammed-witnesses-launch-of-dubai-digital",
      "publisher": {
       "name": null,
       "domain": "mediaoffice.ae",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-869a38610811cf7a",
       "clm-613a4e599ee17e39",
       "clm-9806d73276546cfc",
       "clm-afd4ed997a08faed"
      ],
      "temporal": {
       "publishedAt": "2026-07-02",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-20",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Government announcement carrying every figure in this entry, the named uses and the two memoranda.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-bc80b42358a38410",
      "title": "Fast Company Middle East — Dubai launches AI-powered digital twin spanning 195,000 buildings and 280,000 infrastructure assets",
      "url": "https://fastcompanyme.com/news/dubai-launches-ai-powered-digital-twin-spanning-195000-buildings-and-280000-infrastructure-assets/",
      "publisher": {
       "name": null,
       "domain": "fastcompanyme.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-9806d73276546cfc",
       "clm-afd4ed997a08faed"
      ],
      "temporal": {
       "publishedAt": "2026-07-03",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-20",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Restates the government release and adds nothing on access, cost or the AI claim in its own headline — which is why this entry does not carry an AI tag.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 4,
     "claimsMapped": 4,
     "sourcesTotal": 2,
     "sourcesUsedByClaims": 2,
     "sourcesWithPublicationDate": 2,
     "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."
    ]
   }
  }
 ]
}