{
 "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": "tokyo-takeshiba-smart-city",
  "title": "Smart City Takeshiba",
  "canonicalUrl": "https://1001smartcities.org/projects/tokyo-takeshiba-smart-city/"
 },
 "currentRevisionId": "2026-08-22-evidence-baseline",
 "revisions": [
  {
   "id": "2026-08-22-evidence-baseline",
   "createdAt": "2026-08-22T21:00:00Z",
   "effectiveAt": "2026-07-17",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 3 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": "sha256:3d53dedaa5d18ace0202221c68733809daa2f7318914c96963bfebd0c7b7baf2",
   "snapshot": {
    "asOf": "2026-07-17",
    "projectFingerprint": "sha256:201780e25fe2a2f35403bedd72c9f45a16633b980d28776b17567facd78a4a0f",
    "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": 2019,
      "ended": null
     }
    },
    "governance": {
     "operator": "Tokyu Land and SoftBank",
     "actorTypes": [
      "private"
     ],
     "fundingModel": "private",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-e1c6f847da6e35c7",
      "field": "snippet",
      "text": "Takeshiba waterfront in Minato Ward",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-1269b37c8941ca71"
      ],
      "supportNote": "TMG's Smart Tokyo page places the pilot area 'in the bay area on the east side of Minato Ward' and repeatedly calls it 'the Takeshiba area' — matching the snippet's Minato Ward/waterfront framing, though TMG itself never uses the word 'waterfront.'",
      "caveat": "The page describes a 'bay area,' not a 'waterfront,' and gives no boundary or size for the area.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-d2d2b475653f1fb1",
      "field": "snippet",
      "text": "Tokyu Land and SoftBank run a district-scale smart city built around a real-time data platform.",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-021f93da29564aed"
      ],
      "supportNote": "SoftBank's own account states: 'TOKYU LAND CORPORATION and SoftBank Corp. ... announced plans in June 2023 to expand their joint \"Smart City Takeshiba\" project in Tokyo's Takeshiba district, which first launched in 2019. Utilizing a data exchange platform that enables various businesses to access real-time data collected in the area, they aim to improve disaster prevention measures and enhance urban navigation.'",
      "caveat": "This account is dated July 2023 and describes a planned expansion of the program at that time; it does not itself confirm the platform is still operating as described as of the entry's 2026 verification date.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-69f127046aa24cc7",
      "field": "snippet",
      "text": "feed live data on foot traffic, road and water conditions",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-1269b37c8941ca71"
      ],
      "supportNote": "TMG's page states the Takeshiba data platform lets businesses 'utilize data on visitor flow and attributes, road/traffic conditions, water levels, and more' — matching foot traffic, road and water conditions.",
      "caveat": "TMG's page never uses the words 'live' or 'real time' for this data, and does not say what generates it (sensors, cameras, manual counts, or something else).",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-1269b37c8941ca71",
      "title": "Smart City Tokyo / TMG (official)",
      "url": "https://www.smart-tokyo.metro.tokyo.lg.jp/en/area/takeshiba/",
      "publisher": {
       "name": null,
       "domain": "smart-tokyo.metro.tokyo.lg.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-e1c6f847da6e35c7",
       "clm-69f127046aa24cc7"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-17",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "TMG's Smart Tokyo pilot-area page for Takeshiba.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-021f93da29564aed",
      "title": "SoftBank News (operator)",
      "url": "https://www.softbank.jp/en/sbnews/entry/20230720_01",
      "publisher": {
       "name": null,
       "domain": "softbank.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-d2d2b475653f1fb1"
      ],
      "temporal": {
       "publishedAt": "2023-07-20",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-17",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator account: the joint Tokyu Land / SoftBank project, launched 2019, and its June 2023 expansion.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 3,
     "claimsMapped": 3,
     "sourcesTotal": 2,
     "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."
    ]
   }
  }
 ]
}