{
 "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": "osaka-metro-open-loop-contactless",
  "title": "Osaka Metro Open-Loop Contactless Fare Payment",
  "canonicalUrl": "https://1001smartcities.org/projects/osaka-metro-open-loop-contactless/"
 },
 "currentRevisionId": "2026-08-26-p1-quality-uplift",
 "revisions": [
  {
   "id": "2026-08-26-p1-quality-uplift",
   "createdAt": "2026-08-26T14:41:50Z",
   "effectiveAt": "2026-08-26",
   "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": "sha256:12d540e425c33857d5672e1935b3666889c7ecbb12b0a07d9790118aaca63aa0",
   "snapshot": {
    "asOf": "2026-08-26",
    "projectFingerprint": "sha256:3188fddd77a281150b8abb2bb3d7134cc6ae128ed3071323e9fc28004fe350be",
    "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": 2024,
      "ended": null
     }
    },
    "governance": {
     "operator": "Osaka Metro Co., Ltd., on Sumitomo Mitsui Card's stera transit platform",
     "actorTypes": [
      "utility"
     ],
     "fundingModel": null,
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-dd62eb7e6f2faacc",
      "field": "snippet",
      "text": "Since 29 October 2024, riders tap an ordinary bank card or phone straight on Osaka Metro's gates",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e84f5271a7e60a5e"
      ],
      "supportNote": "Operator press release announcing the start date and that the service covers credit, debit and prepaid cards and linked smartphones at the fare gates.",
      "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-b1de1691981d4c44",
      "field": "snippet",
      "text": "Hankyu, Hanshin and Kintetsu switched on the same day — 548 stations at once, timed for Expo 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-9b43c2fe22ec3672",
       "src-e84f5271a7e60a5e"
      ],
      "supportNote": "Trade press report on the launch day: four Kansai private railways went live together on 548 stations on the platform, with the 2025 Osaka-Kansai Expo named as the reason for the region-wide rollout.",
      "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-ca89d77268bd8736",
      "field": "snippet",
      "text": "Osaka City Bus and the Imazato Liner followed on 1 November 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5e251a60c1221949"
      ],
      "supportNote": "Operator guide listing the transport services that accept contactless payment, with the bus and BRT start date.",
      "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-f4ff33a9bc1b4cb0",
      "field": "snippet",
      "text": "Child fares are not supported: every tap bills the adult fare",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5e251a60c1221949"
      ],
      "supportNote": "Operator guide, applicable fares: the adult fare is charged even when a child travels.",
      "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-08003be466d8c458",
      "field": "impact",
      "text": "Contactless transit taps across Kansai ran at roughly 1.96 million a month by September 2025, about 15 times a year earlier",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ada4eed8f179e904",
       "src-56d2000987b0ae82"
      ],
      "supportNote": "Trade press citing the payment platform's own figures: 1.96 million monthly transit taps as of September 2025, a fifteenfold year-on-year increase.",
      "caveat": "The count is the payment platform's own and covers every participating Kansai operator, not Osaka Metro alone; the entry says so in the same sentence.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-0929f15e0259f275",
      "field": "lesson",
      "text": "on the Chuo line, the only public transport to the Expo site, Osaka Metro counted about 15 per cent more riders over the period but about 80 per cent more contactless ones",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ada4eed8f179e904"
      ],
      "supportNote": "Trade press: on the Chuo line, described as the only public transport reaching the Expo site, boardings and alightings rose about 15 per cent over the same period while contactless riders rose about 80 per cent.",
      "caveat": "The article gives the comparison for the Expo period without naming the exact start and end dates of the window.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-e66d2b49935d6a6d",
      "field": "lesson",
      "text": "the payment platform reports domestic cardholders growing faster than foreign ones",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-ada4eed8f179e904"
      ],
      "supportNote": "Trade press quoting the platform: growth among domestic cardholders is larger than among overseas cardholders.",
      "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-e84f5271a7e60a5e",
      "title": "Osaka Metro — press release: contactless fare payment at all stations (9 Oct 2024)",
      "url": "https://subway.osakametro.co.jp/news/news_release/20241009_touch_kessai.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-dd62eb7e6f2faacc",
       "clm-b1de1691981d4c44"
      ],
      "temporal": {
       "publishedAt": "2024-10-09",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-26",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator source for the 29 October 2024 start date, all-station coverage, accepted brands and the stated Expo 2025 motivation.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-5e251a60c1221949",
      "title": "Osaka Metro — Contactless payment (English guide)",
      "url": "https://subway.osakametro.co.jp/en/guide/page/contactless_payment.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-ca89d77268bd8736",
       "clm-f4ff33a9bc1b4cb0"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-26",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Current operator page: brands accepted, subway and New Tram coverage, Osaka City Bus and Imazato Liner from 1 November 2025, and the rule that only the adult fare is charged even when a child travels. Continuously maintained, so it states no publication date.",
       "exact": false
      },
      "preservation": {
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       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-9b43c2fe22ec3672",
      "title": "Impress Watch — Kansai contactless boarding expands to 548 stations (29 Oct 2024)",
      "url": "https://www.watch.impress.co.jp/docs/news/1635031.html",
      "publisher": {
       "name": null,
       "domain": "watch.impress.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-b1de1691981d4c44"
      ],
      "temporal": {
       "publishedAt": "2024-10-29",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-26",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent trade press: four operators launching together on 29 October 2024, 548 stations, about 780 Kansai stations by March 2025, on a single payment platform.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ada4eed8f179e904",
      "title": "Impress Watch — Expo-driven contactless boarding takes root with domestic riders (5 Dec 2025)",
      "url": "https://www.watch.impress.co.jp/docs/series/suzukij/2068287.html",
      "publisher": {
       "name": null,
       "domain": "watch.impress.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-08003be466d8c458",
       "clm-0929f15e0259f275",
       "clm-e66d2b49935d6a6d"
      ],
      "temporal": {
       "publishedAt": "2025-12-05",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-26",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the impact figure: about 1.96 million monthly contactless transit taps in Kansai as of September 2025, roughly 15 times a year earlier, per the payment platform operator, whose transit division head attributes the faster growth to domestic rather than foreign cardholders.",
       "exact": false
      },
      "preservation": {
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       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-56d2000987b0ae82",
      "title": "Lmaga.jp — contactless transit use keeps rising in Kansai after the Expo (Nov 2025)",
      "url": "https://www.lmaga.jp/news/2025/11/990447/",
      "publisher": {
       "name": null,
       "domain": "lmaga.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-08003be466d8c458"
      ],
      "temporal": {
       "publishedAt": "2025-11-09",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-26",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Second outlet for the platform figures: users up from about 73,000 in March 2025 to about 131,000 in September 2025, still growing in October after the Expo closed.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 7,
     "claimsMapped": 7,
     "sourcesTotal": 5,
     "sourcesUsedByClaims": 5,
     "sourcesWithPublicationDate": 4,
     "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."
    ]
   }
  }
 ]
}