{
 "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": "quito-metro-signaling",
  "title": "Quito Metro Line 1: CITYFLO 350 Automatic Train Control Signalling",
  "canonicalUrl": "https://1001smartcities.org/projects/quito-metro-signaling/"
 },
 "currentRevisionId": "2026-08-22-evidence-baseline",
 "revisions": [
  {
   "id": "2026-08-22-evidence-baseline",
   "createdAt": "2026-08-22T14:10:00Z",
   "effectiveAt": "2026-08-07",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 9 claims and 6 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:b525e742d7ee9d3a69d83104d80bc53eb444527a271b96a449736f0c5c405a1a",
   "snapshot": {
    "asOf": "2026-08-07",
    "projectFingerprint": "sha256:a79891bb8417ed2bb7791754871893d740ebdd855377f0d03f3ebc8d19daa8db",
    "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": "succeeded",
     "evidenceGrade": "official",
     "timeline": {
      "started": 2023,
      "ended": null
     }
    },
    "governance": {
     "operator": "Metro de Quito",
     "actorTypes": [
      "utility"
     ],
     "fundingModel": null,
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-2f8ee3da7af65408",
      "field": "snippet",
      "text": "Quito Metro's Line 1 (15 stations, Quitumbe to El Labrador, 18 CAF-built trains)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a2b62581eca343e"
      ],
      "supportNote": "Railway Gazette confirms all three figures in one paragraph: the line 'starts at Quitumbe in the south of the capital and runs 22·6 km underground through the city centre to El Labrador in the north', was built with 'CAF (18 six-car trainsets)', and residents were seen 'cutting ribbons to officially open each of the 15 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-0340d3ad96b95a07",
      "field": "snippet",
      "text": "runs on Alstom's CITYFLO 350 automatic train control",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6cbcff13e7c2a283"
      ],
      "supportNote": "Alstom's own release states: 'Alstom also previously designed and implemented the CITYFLO 350 signalling system for Line 1,' confirming the CITYFLO 350 designation for this installation.",
      "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-bd3b77ba10ba76b7",
      "field": "snippet",
      "text": "Inaugurated 21 December 2022",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a2b62581eca343e"
      ],
      "supportNote": "'A formal inauguration ceremony had been held on December 21 2022, when the launch of a preview passenger service was planned for January 5.'",
      "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-61856a7e4bd4a604",
      "field": "snippet",
      "text": "a limited passenger trial in May 2023 was halted after nine days",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a2b62581eca343e"
      ],
      "supportNote": "'Peak-time only revenue services serving nine stations finally began on May 2, but were subsequently suspended on May 11 with the operator citing safety reasons' — May 2 to May 11 is nine days.",
      "caveat": "The entry's own source note attributes this fact to the Wikipedia listing ('Stations/trains chronology incl. the nine-day May 2023 trial halt'), but the current Wikipedia article contains no mention of May 2023, a trial, a suspension, or CITYFLO at all — checked against the raw article text and infobox, whose 'signalling' field is empty. The only listed source that actually carries this fact is Railway Gazette International; the sourceLabel here has been corrected accordingly.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-fa2b91b63b849460",
      "field": "snippet",
      "text": "full commercial service began on 1 December 2023",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a2b62581eca343e",
       "src-56c2b5f5225f840e"
      ],
      "supportNote": "Railway Gazette: 'Full revenue services on the Quito metro finally began on December 1' (article dated 5 December 2023). Wikipedia separately gives commercial operations as beginning '1 December 2023' — though it supports only this single date, not the surrounding May 2023/CITYFLO material the entry's source list attributes to it (see the caveat on the preceding claim).",
      "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-fd3f8e95a37b73e0",
      "field": "snippet",
      "text": "In March 2026 Alstom signed a US$27 million, 48-month contract to maintain the signalling.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6cbcff13e7c2a283",
       "src-ece92fe76d90f8c3"
      ],
      "supportNote": "Alstom's release (dated 4 March 2026): 'The contract, valued at 27 million dollars (around 23 million euros), will run for 48 months. Alstom will start the work in March 2026,' covering 'preventive and corrective maintenance of the railway signalling system of Line 1.' Railway-News's own headline/URL and the entry's source note attribute the same US$27M/48-month/March-2026 figures to it, and independent trade-press coverage found via search (Global Railway Review, Railway Supply, Industry EMEA) repeats identical figures — consistent with Alstom's release being the common origin.",
      "caveat": "Railway-News (railway-news.com) itself could not be directly verified in this review — the site returned HTTP 502 on every attempt (curl with a browser user agent, WebFetch, and the Wayback Machine all failed). The entry's note that Alstom's page 'blocks automated fetch with 403' also did not reproduce — a curl fetch with a browser user agent loaded it cleanly (HTTP 200). Figures here are confirmed via Alstom's own release plus matching third-party trade-press summaries, not via a direct read of railway-news.com.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-dd7e5712dd27a723",
      "field": "impact",
      "text": "218,000 average weekday trips in May 2026",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-07fcf1dfeefcb105"
      ],
      "supportNote": "'Durante mayo de 2026, el sistema registró un promedio de 218 mil viajes diarios en días laborables (de lunes a viernes)' — during May 2026 the system registered an average of 218,000 daily trips on weekdays.",
      "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-45261091ddeb367a",
      "field": "impact",
      "text": "(+4.3% on April)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-07fcf1dfeefcb105"
      ],
      "supportNote": "'La cifra representa un crecimiento del 4,3 % respecto a abril, cuando se registraron 209 mil viajes diarios' — the figure represents 4.3% growth over April, when 209,000 daily trips were recorded.",
      "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-480e1d30cb8051b8",
      "field": "impact",
      "text": "roughly 150 million cumulative trips since commercial service began in December 2023",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-07fcf1dfeefcb105"
      ],
      "supportNote": "'Al cierre de mayo de 2026, el sistema acumuló 150 millones de viajes desde el inicio de operaciones' — as of the end of May 2026, the system had accumulated 150 million trips since the start of operations. This is stated by the operator as a running total, not a figure derived by summing monthly numbers ourselves — it passes the derived-arithmetic check.",
      "caveat": "The bulletin says only 'since the start of operations' (desde el inicio de operaciones) — it does not itself specify which start date that count runs from. The entry equates this with the 1 December 2023 commercial-service date, but the source never fixes the date, and the line has three candidate 'start' moments in its own chronology (inauguration 21 Dec 2022, the nine-day May 2023 trial, commercial service 1 Dec 2023). The gap is unlikely to be material — the May 2023 trial ran only nine days on 9 of 15 stations — but the December 2023 anchor is the entry's own interpretation, not wording the source uses.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-f6aa8850faea4f28",
      "title": "Metro de Quito (operator)",
      "url": "https://www.metrodequito.gob.ec/",
      "publisher": {
       "name": null,
       "domain": "metrodequito.gob.ec",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
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       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator; line and service basics.",
       "exact": false
      },
      "preservation": {
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       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-07fcf1dfeefcb105",
      "title": "Metro de Quito — Boletín estadístico mayo 2026 (operator)",
      "url": "https://metrodequito.gob.ec/boletin-mayo-2026/",
      "publisher": {
       "name": null,
       "domain": "metrodequito.gob.ec",
       "classification": "not-classified"
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      "temporal": {
       "publishedAt": "2026-06-17",
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       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "218,000 average weekday trips in May 2026, +4.3% vs April; ~150 million cumulative trips by end of May 2026.",
       "exact": false
      },
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       "contentHash": null,
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     },
     {
      "id": "src-6cbcff13e7c2a283",
      "title": "Alstom (press release, March 2026)",
      "url": "https://www.alstom.com/press-releases-news/2026/3/alstom-strengthens-its-presence-ecuador-new-maintenance-contract-quito-metro",
      "publisher": {
       "name": null,
       "domain": "alstom.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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       "publishedAt": "2026-03-04",
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       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Signalling maintenance contract announcement (blocks automated fetch with 403; contents confirmed via trade press).",
       "exact": false
      },
      "preservation": {
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       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ece92fe76d90f8c3",
      "title": "Railway-News (trade press)",
      "url": "https://railway-news.com/ecuador-alstom-signs-maintenance-contract-for-quito-metro-line-1/",
      "publisher": {
       "name": null,
       "domain": "railway-news.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
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      "temporal": {
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       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "US$27M, 48 months, work from March 2026; obsolescence management and upgrades; describes CITYFLO 350 with no CBTC label.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-6a2b62581eca343e",
      "title": "Railway Gazette International",
      "url": "https://www.railwaygazette.com/urban/2023/12/05/high-altitude-underground-metro-fully-opens/",
      "publisher": {
       "name": null,
       "domain": "railwaygazette.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-2f8ee3da7af65408",
       "clm-bd3b77ba10ba76b7",
       "clm-61856a7e4bd4a604",
       "clm-fa2b91b63b849460"
      ],
      "temporal": {
       "publishedAt": "2023-12-05",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Full commercial opening 1 December 2023.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-56c2b5f5225f840e",
      "title": "Wikipedia — Quito Metro Line 1",
      "url": "https://en.wikipedia.org/wiki/Quito_Metro_Line_1",
      "publisher": {
       "name": null,
       "domain": "en.wikipedia.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-fa2b91b63b849460"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Stations/trains chronology incl. the nine-day May 2023 trial halt.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 9,
     "claimsMapped": 9,
     "sourcesTotal": 6,
     "sourcesUsedByClaims": 5,
     "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."
    ]
   }
  }
 ]
}