{
 "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": "cauayan-digital-twin",
  "title": "Drone-Based 3D Digital Twin",
  "canonicalUrl": "https://1001smartcities.org/projects/cauayan-digital-twin/"
 },
 "currentRevisionId": "2026-08-28-p4-uplift",
 "revisions": [
  {
   "id": "2026-08-28-p4-uplift",
   "createdAt": "2026-08-28T06:04:19Z",
   "effectiveAt": "2026-08-28",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 11 claims and 3 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:e08c077847768c954bc3e328fa08aadf253ef0c13278834080d4d271fcf34c91",
   "snapshot": {
    "asOf": "2026-08-28",
    "projectFingerprint": "sha256:33a0b4510752af17caaf8ce50fbd5c55452d8af5007a97f055b1615faffad1fa",
    "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": "media",
     "timeline": {
      "started": 2020,
      "ended": null
     }
    },
    "governance": {
     "operator": "City Government of Cauayan, with geospatial firm Graffiquo (UN ASEAN Smart Cities Network programme)",
     "actorTypes": [
      "city-government",
      "private"
     ],
     "fundingModel": "mixed",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-61038b3e5844fb2f",
      "field": "snippet",
      "text": "as part of the UN's ASEAN Smart Cities Network programme",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ca2597e7c5c82ed2"
      ],
      "supportNote": "Frontier Enterprise states the assignment came through that programme.",
      "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-dace6f465fa420b7",
      "field": "snippet",
      "text": "the mayor calls it the first-ever digital twin in the Philippines",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ca2597e7c5c82ed2"
      ],
      "supportNote": "The superlative is Mayor Bernard Faustino Dy's own, quoted verbatim; no independent source ranks it.",
      "caveat": "An operator claim, not an independent finding.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-b11b959747129e3a",
      "field": "snippet",
      "text": "22 million pesos (US$0.46 million) worth of crops destroyed",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "GovInsider states the figure and the dollar equivalent.",
      "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-aff78fdf44913c34",
      "field": "snippet",
      "text": "550 million pesos (US$11.5 million) in infrastructure damage",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "GovInsider states the figure and the dollar equivalent.",
      "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-9f54f412ddc9d574",
      "field": "snippet",
      "text": "flagged 7,724 families needing evacuation",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "GovInsider attributes the count to the software.",
      "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-89928b487b275fcc",
      "field": "impact",
      "text": "estimated 22 million pesos (US$0.46 million) of crops destroyed and 550 million pesos (US$11.5 million) in infrastructure damage, and identified 7,724 families that needed to be evacuated",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "All three numbers and both dollar equivalents are GovInsider's.",
      "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-c1506f527397913b",
      "field": "impact",
      "text": "Frontier Enterprise, reporting the same flood from an AWS summit panel in May 2021, puts the damage at nearly PHP 600 million (US$12.5 million) and the families at over 7,000",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ca2597e7c5c82ed2"
      ],
      "supportNote": "The second account gives a different total and a rounder family count for what the entry reads as the same event.",
      "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-a0aa2c3380312b7a",
      "field": "impact",
      "text": "Every figure is the city's own or its vendor's; no national agency has published a check of them",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5",
       "src-ca2597e7c5c82ed2"
      ],
      "supportNote": "Both articles are interviews with the mayor and the vendor's chief executive; neither cites an outside verification.",
      "caveat": "A statement about what the sources do not contain, not a finding in them.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-4f8805292966d55e",
      "field": "lesson",
      "text": "used to take months because inspection officers met blocked roads or were stuck in their own tragedy-struck homes",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "GovInsider gives both the old duration and the reason.",
      "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-21db061ba43cb058",
      "field": "lesson",
      "text": "Graffiquo played a vital role in having our assessment being in the air, rather than on the ground",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5"
      ],
      "supportNote": "Verbatim quotation from the mayor.",
      "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-ba7c129ba439bf65",
      "field": "lesson",
      "text": "the two published accounts of the same flood already differ, at 36,844 relief packs in one telling and 36,824 in the other",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-141fda4664eb5ea5",
       "src-ca2597e7c5c82ed2"
      ],
      "supportNote": "GovInsider prints 36,844 and Frontier Enterprise 36,824 for the same distribution.",
      "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-141fda4664eb5ea5",
      "title": "GovInsider Asia (press)",
      "url": "https://govinsider.asia/climate/cauayan-graffiquo-how-a-philippines-city-uses-digital-twins-for-disaster-recovery/",
      "publisher": {
       "name": null,
       "domain": "govinsider.asia",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-b11b959747129e3a",
       "clm-aff78fdf44913c34",
       "clm-9f54f412ddc9d574",
       "clm-89928b487b275fcc",
       "clm-a0aa2c3380312b7a",
       "clm-4f8805292966d55e",
       "clm-21db061ba43cb058",
       "clm-ba7c129ba439bf65"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Interview with Mayor Bernard Faustino Dy and Graffiquo CEO Goh Seok Mei; primary source for the damage figures: \"22 million Pesos' (US$ 0.46 million) worth of crops\", \"Infrastructure damages added up to 550 million Pesos (US$11.5 million)\", \"identified 7724 families that needed to be evacuated\", \"a total of 36,844 relief packs\". The page carries no publication date; it dates the storm only as \"last November\".",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ca2597e7c5c82ed2",
      "title": "Frontier Enterprise (press)",
      "url": "https://www.frontier-enterprise.com/cauayan-citys-digital-twin-helps-in-disaster-response/",
      "publisher": {
       "name": null,
       "domain": "frontier-enterprise.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-61038b3e5844fb2f",
       "clm-dace6f465fa420b7",
       "clm-c1506f527397913b",
       "clm-a0aa2c3380312b7a",
       "clm-ba7c129ba439bf65"
      ],
      "temporal": {
       "publishedAt": "2021-05-07",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Report from an AWS Worldwide Public Sector Summit 2021 panel with the same two speakers. Carries the ASEAN attribution (\"As part of the UN's Smart Cities Network ASEAN programme, Graffiquo was tasked to work with Cauayan City\"), the mayor's superlative (\"this is the first-ever digital twin in the Philippines\"), \"the worst flood of the past 40 years\", \"nearly PHP 600 million (US$12.5 million)\", \"over 7000 separate families\" and \"around 36,824 relief packs\". Read as the same flood as the GovInsider account on the matching relief-pack count and family total; the article does not name the typhoon.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-25e80fe9793266c9",
      "title": "Philippine Institute for Development Studies (reference)",
      "url": "https://pidswebs.pids.gov.ph/CDN/document/pidspn2207.pdf",
      "publisher": {
       "name": null,
       "domain": "pidswebs.pids.gov.ph",
       "classification": "not-classified"
      },
      "sourceType": "pdf",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Policy Note No. 2022-07, April 2022, on how far Philippine LGUs have come towards smart cities; Cauayan is one of six cities studied and its inventory lists \"Digital twin - From drone photos to 3D map of the landscape; AI for damage estimation\". Background context, not a source for this entry's figures.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 11,
     "claimsMapped": 11,
     "sourcesTotal": 3,
     "sourcesUsedByClaims": 2,
     "sourcesWithPublicationDate": 1,
     "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."
    ]
   }
  }
 ]
}