{
 "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-smart-pole-network",
  "title": "TOKYO Data Highway Smart Pole Network",
  "canonicalUrl": "https://1001smartcities.org/projects/tokyo-smart-pole-network/"
 },
 "currentRevisionId": "2026-08-27-claims-and-sources",
 "revisions": [
  {
   "id": "2026-08-27-claims-and-sources",
   "createdAt": "2026-08-27T02:17:23Z",
   "effectiveAt": "2026-07-25",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 7 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": "sha256:3729880c2de8de0950a94802db18593ac3b20e5808688850b00fc1e09451e436",
   "snapshot": {
    "asOf": "2026-07-25",
    "projectFingerprint": "sha256:02a786e78f8a61c9a8b38c997b9e6f102dbaf4be9602b3f96e8222f58546fc72",
    "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": "Tokyo Metropolitan Government (with NTT East)",
     "actorTypes": [
      "city-government",
      "private"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-c8beab066c5cde5d",
      "field": "snippet",
      "text": "It began with an agreement with Sumitomo Corporation, whose group company NEC installed two types of pole in Nishi-Shinjuku by the end of June 2020",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-cae62d9e6af090f5"
      ],
      "supportNote": "The June 2020 trade report states that the Tokyo Metropolitan Government signed an agreement with Sumitomo Corporation and that NEC, part of the Sumitomo Corporation general trading group, would install two types of smart pole in the Nishi-shinjuku area by the end of June 2020.",
      "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-f56940a0d5fc66e4",
      "field": "snippet",
      "text": "JTOWER, TEPCO Power Grid and NTT East added 20 more there in 2021",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-d9471c821369ab8c"
      ],
      "supportNote": "The joint release of 1 September 2021 announces that JTOWER, TEPCO Power Grid and NTT East will newly erect 20 smart poles in the Nishi-Shinjuku area.",
      "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-ad02e838d3933dda",
      "field": "snippet",
      "text": "Since 2024 the metropolitan government has funded other bodies to put them up instead of installing them itself, and it publishes a verification report for each site every year",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-dc0acb8e1a0253a8",
       "src-37b664d72936b8e2"
      ],
      "supportNote": "The October 2024 press release announces the recipients of a subsidy scheme for smart poles and sensors, naming a ward, a district town-development association and a private company as the implementing parties; the operator page publishes verification result reports per site for FY2024 and FY2025.",
      "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-11584e08d035b24c",
      "field": "impact",
      "text": "In October 2024 Tokyo selected three subsidy recipients — Meguro City, the Otemachi-Marunouchi-Yurakucho town development council and a private company working with the Tokyo Zoological Park Society — to install poles and sensors from November 2024, in service by March 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-dc0acb8e1a0253a8"
      ],
      "supportNote": "The press release names the three selected implementers — Meguro City, the Otemachi-Marunouchi-Yurakucho district town development association and Sharing Design Inc. in cooperation with the Tokyo Zoological Park Society — and gives the schedule as installation beginning November 2024 and completion and start of operation in March 2025.",
      "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-7512efb4a9849cc0",
      "field": "impact",
      "text": "pedestrian and bicycle counts at a Meguro cycle park, event footfall and security efficiency on Marunouchi Nakadori, congestion data and information delivery at Ueno Zoo's east gate, and administrative advertising and disaster messaging around Akasaka",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-37b664d72936b8e2"
      ],
      "supportNote": "The operator page lists, for each FY2025 verification report, the equipment installed and the main subject of verification at each of these sites.",
      "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-02a059af6706947c",
      "field": "impact",
      "text": "For the original Nishi-Shinjuku poles, the stated subject of verification is the pole's own revenue and running costs alongside public-interest uses such as heatstroke alerts",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-37b664d72936b8e2"
      ],
      "supportNote": "The FY2025 Nishi-Shinjuku verification report is listed as examining improved profitability and reduced operating costs from the smart pole, alongside public-interest information delivery such as administrative advertising and heatstroke alerts.",
      "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-85dd8ee699e0d3f8",
      "field": "lesson",
      "text": "the metropolitan government has stopped installing poles and started subsidising a ward, a business district association and a private firm to install them",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-dc0acb8e1a0253a8"
      ],
      "supportNote": "The October 2024 release describes a subsidy scheme under which the implementing parties are Meguro City, a district town-development association and a private company, rather than the metropolitan government itself.",
      "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-37b664d72936b8e2",
      "title": "Tokyo Bureau of Digital Services — Smart Pole program (official)",
      "url": "https://www.digitalservice.metro.tokyo.lg.jp/business/tokyo-data-highway/smart-pole",
      "publisher": {
       "name": null,
       "domain": "digitalservice.metro.tokyo.lg.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-ad02e838d3933dda",
       "clm-7512efb4a9849cc0",
       "clm-02a059af6706947c"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": "2026-05-20",
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-25",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator page, last updated 20 May 2026, publishing a verification report for each site and fiscal year. The FY2025 set covers a Meguro cycle-parking approach (AI camera sensors, pedestrian and bicycle counts for congestion measures), Marunouchi Nakadori (AI camera sensors, event draw and security efficiency), the east gate of Ueno Zoo (OpenRoaming Wi-Fi and AI camera sensors, congestion data and information delivery), Akasaka-mitsuke and Akasaka (OpenRoaming Wi-Fi, digital signage and AI camera sensors, administrative advertising and disaster messaging) and Nishi-Shinjuku (5G, OpenRoaming Wi-Fi, digital signage and AI camera sensors, verifying revenue improvement and lower operating costs alongside public-interest uses such as heatstroke alerts).",
       "exact": false
      },
      "preservation": {
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       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ad10bd5f8fa3202f",
      "title": "Tokyo Bureau of Digital Services — TOKYO Data Highway (official)",
      "url": "https://www.digitalservice.metro.tokyo.lg.jp/business/tokyo-data-highway",
      "publisher": {
       "name": null,
       "domain": "digitalservice.metro.tokyo.lg.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-25",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Programme context: the TOKYO Data Highway Basic Strategy of August 2019.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-d9471c821369ab8c",
      "title": "NTT East (operator)",
      "url": "https://www.ntt-east.co.jp/release/detail/20210901_02.html",
      "publisher": {
       "name": null,
       "domain": "ntt-east.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      ],
      "temporal": {
       "publishedAt": "2021-09-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-25",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Joint release of 1 September 2021 by JTOWER, TEPCO Power Grid and NTT East on erecting 20 new smart poles in the Nishi-Shinjuku area.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-dc0acb8e1a0253a8",
      "title": "Tokyo Metropolitan Government (official)",
      "url": "https://www.metro.tokyo.lg.jp/tosei/hodohappyo/press/2024/10/18/02.html",
      "publisher": {
       "name": null,
       "domain": "metro.tokyo.lg.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-ad02e838d3933dda",
       "clm-11584e08d035b24c",
       "clm-85dd8ee699e0d3f8"
      ],
      "temporal": {
       "publishedAt": "2024-10-18",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-25",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Press release of 18 October 2024 announcing the recipients of a subsidy scheme opened that July for smart poles with high-frequency 5G base stations and AI camera sensors: Meguro City, the Otemachi-Marunouchi-Yurakucho District Redevelopment Association, and Sharing Design Inc. working with the Tokyo Zoological Park Society at Ueno Zoo. Installation from November 2024, complete and in operation from March 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-cae62d9e6af090f5",
      "title": "Cities Today (trade press)",
      "url": "https://cities-today.com/tokyo-pilots-5g-smart-poles/",
      "publisher": {
       "name": null,
       "domain": "cities-today.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-c8beab066c5cde5d"
      ],
      "temporal": {
       "publishedAt": "2020-06-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-25",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Trade press, 1 June 2020: the metropolitan government signed an agreement with Sumitomo Corporation, and NEC — part of the Sumitomo group — was to install two types of smart pole in Nishi-Shinjuku by the end of June 2020.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 7,
     "claimsMapped": 7,
     "sourcesTotal": 5,
     "sourcesUsedByClaims": 4,
     "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."
    ]
   }
  }
 ]
}