{
 "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-face-recognition-gates",
  "title": "Osaka Metro Walk-Through Facial Recognition Gates",
  "canonicalUrl": "https://1001smartcities.org/projects/osaka-metro-face-recognition-gates/"
 },
 "currentRevisionId": "2026-08-26-source-label-correction",
 "revisions": [
  {
   "id": "2026-08-26-p1-quality-uplift",
   "createdAt": "2026-08-26T19:00:00Z",
   "effectiveAt": "2026-08-26",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 10 claims and 7 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": "sha256:10df5b90c3e63defbe13c2fda837db3954183dbd1081efae45368950bd657323",
   "snapshot": {
    "asOf": "2026-08-26",
    "projectFingerprint": "sha256:1389e8c1a59816b29f79a809cfa1f987fa39340c20a70f68b90d1d68ab52d333",
    "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": "Osaka Metro Co., Ltd., with Takamisawa Cybernetics (gates) and Panasonic Connect (recognition system)",
     "actorTypes": [
      "utility"
     ],
     "fundingModel": "utility",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-4ef3e04ad206d272",
      "field": "snippet",
      "text": "Osaka Metro tested facial-recognition ticket gates on its own staff from December 2019",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-973e6307bc7afb56"
      ],
      "supportNote": "Operator page for the trial: from 10 December 2019 the next-generation gates were tested at selected stations with Osaka Metro employees as the subjects.",
      "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-c63241fbeaeef906",
      "field": "snippet",
      "text": "then ran a trial with wheelchair users at Nagai station between December 2022 and February 2023 to check whether the cameras could read faces at seated height",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-454029418dc66656"
      ],
      "supportNote": "Partner organisation's release: the wide-aisle facial recognition gate at Nagai station on the Midosuji line was trialled with wheelchair users from 1 December 2022 to 17 February 2023, the first trial with customers rather than staff.",
      "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-82e106bb9930b78d",
      "field": "snippet",
      "text": "Public service began on 25 March 2025 at 130 of the network's 134 stations",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6f98ba09e84844aa",
       "src-5521f8f3f517a1ab"
      ],
      "supportNote": "Operator press release of 11 March 2025 announcing the 25 March start, corroborated by independent Japanese tech press: gates at 130 of 134 stations.",
      "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-1c9a8ec814527d00",
      "field": "snippet",
      "text": "Registration is opt-in through the e METRO app",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5521f8f3f517a1ab"
      ],
      "supportNote": "Independent tech press: riders link a digital ticket bought in Osaka Metro's e METRO app to face data registered in the app beforehand.",
      "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-8fd286222f02e2c3",
      "field": "snippet",
      "text": "the operator says the cameras run continuously but store no video",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5521f8f3f517a1ab",
       "src-6f98ba09e84844aa"
      ],
      "supportNote": "Independent tech press reporting the operator's statement that the facial recognition cameras are always on but do not record.",
      "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-0c468b29a51c32ce",
      "field": "snippet",
      "text": "only app-bought digital tickets work, not IC cards or commuter passes",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: anyone can now use the gates provided they buy an eligible digital ticket, and the reporter names commuter passes and the region's PiTaPa post-pay function as things the gates do not yet accept.",
      "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-317b4444ef454eb7",
      "field": "snippet",
      "text": "a reporter testing the gates in April 2025 saw no other passengers using them",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: over three days, 8 to 10 April, the reporter saw no user other than herself.",
      "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-12ac6227ce6058f8",
      "field": "impact",
      "text": "130 of Osaka Metro's 134 stations have walk-through facial recognition gates in public service since 25 March 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6f98ba09e84844aa",
       "src-7301d75e7a4cfbc7"
      ],
      "supportNote": "Operator press release for the launch, plus the supplier's January 2026 release confirming the deployment is still in service at 130 stations.",
      "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-9b47c24205b796aa",
      "field": "impact",
      "text": "Eligibility is limited to app-bought digital tickets; IC cards and commuter passes are not supported",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report naming commuter passes and the PiTaPa post-pay function as what the gates do not accept.",
      "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-8461aee31577c250",
      "field": "lesson",
      "text": "the reporter who travelled on it alone for three days in April 2025 named exactly that as what would have to change",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: the reporter writes that linking the gates to commuter passes and to PiTaPa's post-pay and volume-discount functions could make usage jump.",
      "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-6f98ba09e84844aa",
      "title": "Osaka Metro — walk-through facial recognition gate service starts 25 March 2025",
      "url": "https://subway.osakametro.co.jp/news/news_release/20250311_walkthrough_kaisatsu.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-82e106bb9930b78d",
       "clm-8fd286222f02e2c3",
       "clm-12ac6227ce6058f8"
      ],
      "temporal": {
       "publishedAt": "2025-03-11",
       "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 press release. Launch date, 130 of 134 stations, opt-in app registration, eligible digital tickets, and the statement that feature data is discarded after matching and bystanders are not stored.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-973e6307bc7afb56",
      "title": "Osaka Metro — next-generation facial recognition gate trial (updated 6 Feb 2025)",
      "url": "https://subway.osakametro.co.jp/news/topics/20191125_kaoninsyou_jissyoujikken.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-4ef3e04ad206d272"
      ],
      "temporal": {
       "publishedAt": "2019-11-25",
       "updatedAt": "2025-02-06",
       "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 page for the trial that began 10 December 2019 with employees; names Takamisawa Cybernetics as gate manufacturer and Panasonic Connect as system builder.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-454029418dc66656",
      "title": "Mirairo — facial recognition gate trial with wheelchair users, Nagai station",
      "url": "https://www.mirairo.co.jp/information/post-20221116",
      "publisher": {
       "name": null,
       "domain": "mirairo.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-c63241fbeaeef906"
      ],
      "temporal": {
       "publishedAt": "2022-11-16",
       "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": "Partner organisation's release on the 1 December 2022 to 17 February 2023 trial, the first involving customers rather than staff, testing recognition accuracy at wheelchair face height.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7301d75e7a4cfbc7",
      "title": "Panasonic Connect — walk-through gates at 130 Osaka Metro stations win 2025 Nikkei award",
      "url": "https://connect.panasonic.com/en/about/who-we-are/public/press/260105-1",
      "publisher": {
       "name": null,
       "domain": "connect.panasonic.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-12ac6227ce6058f8"
      ],
      "temporal": {
       "publishedAt": "2026-01-05",
       "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": "Supplier release, 5 January 2026. Confirms the deployment is still in service and the accessibility rationale (wheelchair users, luggage).",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-5521f8f3f517a1ab",
      "title": "ITmedia News — Osaka Metro installs touch-free face-pass gates at 130 stations",
      "url": "https://www.itmedia.co.jp/news/articles/2503/12/news190.html",
      "publisher": {
       "name": null,
       "domain": "itmedia.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-82e106bb9930b78d",
       "clm-1c9a8ec814527d00",
       "clm-8fd286222f02e2c3"
      ],
      "temporal": {
       "publishedAt": "2025-03-12",
       "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 Japanese tech press, 12 March 2025. Corroborates launch date and station count and independently reports the no-recording, discard-after-authentication data handling.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7b5bcde469552af3",
      "title": "Impress Travel Watch — riding to the Expo through Osaka Metro's face-recognition gates",
      "url": "https://travel.watch.impress.co.jp/docs/news/2011022.html",
      "publisher": {
       "name": null,
       "domain": "travel.watch.impress.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-0c468b29a51c32ce",
       "clm-317b4444ef454eb7",
       "clm-9b47c24205b796aa",
       "clm-8461aee31577c250"
      ],
      "temporal": {
       "publishedAt": "2025-05-01",
       "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 hands-on report, April 2025. Confirms only certain app passes are eligible (no IC cards, commuter passes or contactless), and records that no other users were observed during testing.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-267610e5331089c2",
      "title": "LSE International History blog — facial recognition and the two Expos in Osaka",
      "url": "https://blogs.lse.ac.uk/lseih/2025/04/11/facial-recognition-and-the-two-expos-in-osaka/",
      "publisher": {
       "name": null,
       "domain": "blogs.lse.ac.uk",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-04-11",
       "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": "Academic commentary (April 2025) that cites the rollout from outside the operator and criticises the normalisation of biometric infrastructure around Expo 2025. Opinion, not a regulatory finding.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 10,
     "claimsMapped": 10,
     "sourcesTotal": 7,
     "sourcesUsedByClaims": 6,
     "sourcesWithPublicationDate": 7,
     "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."
    ]
   }
  },
  {
   "id": "2026-08-26-source-label-correction",
   "createdAt": "2026-08-27T00:00:00Z",
   "effectiveAt": "2026-08-26",
   "changeType": "correction",
   "summary": "Renamed the operator press-release source so its label carries the publication date (11 March 2025) rather than the service start date (25 March 2025), which check-consistency flagged as a date conflict.",
   "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": "replace",
     "path": "/snapshot/projectFingerprint",
     "summary": "Updated projectFingerprint to the current sourced project record."
    },
    {
     "operation": "replace",
     "path": "/snapshot/sources",
     "summary": "Updated sources to the current sourced project record."
    }
   ],
   "snapshotHash": "sha256:2e95381773feeb75d8bdf85e11ba4f407a46c380861cddc6b6a4fb460893d2fc",
   "snapshot": {
    "asOf": "2026-08-26",
    "projectFingerprint": "sha256:f66646ebb7b81d316d39e6d667357ab168cc214873e2b64031c21c11ea75617e",
    "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": "Osaka Metro Co., Ltd., with Takamisawa Cybernetics (gates) and Panasonic Connect (recognition system)",
     "actorTypes": [
      "utility"
     ],
     "fundingModel": "utility",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-4ef3e04ad206d272",
      "field": "snippet",
      "text": "Osaka Metro tested facial-recognition ticket gates on its own staff from December 2019",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-973e6307bc7afb56"
      ],
      "supportNote": "Operator page for the trial: from 10 December 2019 the next-generation gates were tested at selected stations with Osaka Metro employees as the subjects.",
      "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-c63241fbeaeef906",
      "field": "snippet",
      "text": "then ran a trial with wheelchair users at Nagai station between December 2022 and February 2023 to check whether the cameras could read faces at seated height",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-454029418dc66656"
      ],
      "supportNote": "Partner organisation's release: the wide-aisle facial recognition gate at Nagai station on the Midosuji line was trialled with wheelchair users from 1 December 2022 to 17 February 2023, the first trial with customers rather than staff.",
      "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-82e106bb9930b78d",
      "field": "snippet",
      "text": "Public service began on 25 March 2025 at 130 of the network's 134 stations",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6f98ba09e84844aa",
       "src-5521f8f3f517a1ab"
      ],
      "supportNote": "Operator press release of 11 March 2025 announcing the 25 March start, corroborated by independent Japanese tech press: gates at 130 of 134 stations.",
      "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-1c9a8ec814527d00",
      "field": "snippet",
      "text": "Registration is opt-in through the e METRO app",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5521f8f3f517a1ab"
      ],
      "supportNote": "Independent tech press: riders link a digital ticket bought in Osaka Metro's e METRO app to face data registered in the app beforehand.",
      "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-8fd286222f02e2c3",
      "field": "snippet",
      "text": "the operator says the cameras run continuously but store no video",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5521f8f3f517a1ab",
       "src-6f98ba09e84844aa"
      ],
      "supportNote": "Independent tech press reporting the operator's statement that the facial recognition cameras are always on but do not record.",
      "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-0c468b29a51c32ce",
      "field": "snippet",
      "text": "only app-bought digital tickets work, not IC cards or commuter passes",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: anyone can now use the gates provided they buy an eligible digital ticket, and the reporter names commuter passes and the region's PiTaPa post-pay function as things the gates do not yet accept.",
      "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-317b4444ef454eb7",
      "field": "snippet",
      "text": "a reporter testing the gates in April 2025 saw no other passengers using them",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: over three days, 8 to 10 April, the reporter saw no user other than herself.",
      "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-12ac6227ce6058f8",
      "field": "impact",
      "text": "130 of Osaka Metro's 134 stations have walk-through facial recognition gates in public service since 25 March 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6f98ba09e84844aa",
       "src-7301d75e7a4cfbc7"
      ],
      "supportNote": "Operator press release for the launch, plus the supplier's January 2026 release confirming the deployment is still in service at 130 stations.",
      "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-9b47c24205b796aa",
      "field": "impact",
      "text": "Eligibility is limited to app-bought digital tickets; IC cards and commuter passes are not supported",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report naming commuter passes and the PiTaPa post-pay function as what the gates do not accept.",
      "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-8461aee31577c250",
      "field": "lesson",
      "text": "the reporter who travelled on it alone for three days in April 2025 named exactly that as what would have to change",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7b5bcde469552af3"
      ],
      "supportNote": "Independent hands-on report: the reporter writes that linking the gates to commuter passes and to PiTaPa's post-pay and volume-discount functions could make usage jump.",
      "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-6f98ba09e84844aa",
      "title": "Osaka Metro — press release announcing the walk-through facial recognition gate service (11 Mar 2025)",
      "url": "https://subway.osakametro.co.jp/news/news_release/20250311_walkthrough_kaisatsu.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-82e106bb9930b78d",
       "clm-8fd286222f02e2c3",
       "clm-12ac6227ce6058f8"
      ],
      "temporal": {
       "publishedAt": "2025-03-11",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator press release of 11 March 2025 announcing the 25 March start: 130 of 134 stations, opt-in app registration, eligible digital tickets, and the statement that the cameras run continuously without recording.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-973e6307bc7afb56",
      "title": "Osaka Metro — next-generation facial recognition gate trial (updated 6 Feb 2025)",
      "url": "https://subway.osakametro.co.jp/news/topics/20191125_kaoninsyou_jissyoujikken.php",
      "publisher": {
       "name": null,
       "domain": "subway.osakametro.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-4ef3e04ad206d272"
      ],
      "temporal": {
       "publishedAt": "2019-11-25",
       "updatedAt": "2025-02-06",
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator page for the trial that began 10 December 2019 with employees; names Takamisawa Cybernetics as gate manufacturer and Panasonic Connect as system builder.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-454029418dc66656",
      "title": "Mirairo — facial recognition gate trial with wheelchair users, Nagai station",
      "url": "https://www.mirairo.co.jp/information/post-20221116",
      "publisher": {
       "name": null,
       "domain": "mirairo.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-c63241fbeaeef906"
      ],
      "temporal": {
       "publishedAt": "2022-11-16",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Partner organisation's release on the 1 December 2022 to 17 February 2023 trial, the first involving customers rather than staff, testing recognition accuracy at wheelchair face height.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7301d75e7a4cfbc7",
      "title": "Panasonic Connect — walk-through gates at 130 Osaka Metro stations win 2025 Nikkei award",
      "url": "https://connect.panasonic.com/en/about/who-we-are/public/press/260105-1",
      "publisher": {
       "name": null,
       "domain": "connect.panasonic.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-12ac6227ce6058f8"
      ],
      "temporal": {
       "publishedAt": "2026-01-05",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Supplier release, 5 January 2026. Confirms the deployment is still in service and the accessibility rationale (wheelchair users, luggage).",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-5521f8f3f517a1ab",
      "title": "ITmedia News — Osaka Metro installs touch-free face-pass gates at 130 stations",
      "url": "https://www.itmedia.co.jp/news/articles/2503/12/news190.html",
      "publisher": {
       "name": null,
       "domain": "itmedia.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-82e106bb9930b78d",
       "clm-1c9a8ec814527d00",
       "clm-8fd286222f02e2c3"
      ],
      "temporal": {
       "publishedAt": "2025-03-12",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent Japanese tech press, 12 March 2025. Corroborates launch date and station count and independently reports the no-recording, discard-after-authentication data handling.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7b5bcde469552af3",
      "title": "Impress Travel Watch — riding to the Expo through Osaka Metro's face-recognition gates",
      "url": "https://travel.watch.impress.co.jp/docs/news/2011022.html",
      "publisher": {
       "name": null,
       "domain": "travel.watch.impress.co.jp",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-0c468b29a51c32ce",
       "clm-317b4444ef454eb7",
       "clm-9b47c24205b796aa",
       "clm-8461aee31577c250"
      ],
      "temporal": {
       "publishedAt": "2025-05-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent hands-on report, April 2025. Confirms only certain app passes are eligible (no IC cards, commuter passes or contactless), and records that no other users were observed during testing.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-267610e5331089c2",
      "title": "LSE International History blog — facial recognition and the two Expos in Osaka",
      "url": "https://blogs.lse.ac.uk/lseih/2025/04/11/facial-recognition-and-the-two-expos-in-osaka/",
      "publisher": {
       "name": null,
       "domain": "blogs.lse.ac.uk",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-04-11",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-26",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Academic commentary (April 2025) that cites the rollout from outside the operator and criticises the normalisation of biometric infrastructure around Expo 2025. Opinion, not a regulatory finding.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 10,
     "claimsMapped": 10,
     "sourcesTotal": 7,
     "sourcesUsedByClaims": 6,
     "sourcesWithPublicationDate": 7,
     "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."
    ]
   }
  }
 ]
}