{
 "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": "lima-metropolitano-brt",
  "title": "El Metropolitano BRT",
  "canonicalUrl": "https://1001smartcities.org/projects/lima-metropolitano-brt/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-17-lima-baseline",
   "createdAt": "2026-08-17T05:41:05Z",
   "effectiveAt": "2026-08-17",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 12 claims and 9 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": "sha256:4cf8e9bc61e2f0be86a1067063a30b43e69c4c732ca7ef0f03939cb870ecf998",
   "snapshot": {
    "asOf": "2026-08-17",
    "projectFingerprint": "sha256:c01730d51c953de4ccd0d72d602b1a8082014e136ead8bff2ace03bd20160eb5",
    "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": "independent",
     "timeline": {
      "started": 2010,
      "ended": null
     }
    },
    "governance": {
     "operator": "Autoridad de Transporte Urbano para Lima y Callao (ATU); trunk and feeder services run by private concessionaires",
     "actorTypes": [
      "regional-government",
      "private"
     ],
     "fundingModel": "ppp",
     "fundingDescription": "Municipal infrastructure investment with multilateral support (IDB, World Bank); concessionaires operate the buses on fare revenue",
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-9b30ec49c97d4b6d",
      "field": "snippet",
      "text": "opened on 28 July 2010 under the city agency Protransporte",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-fc9a5cc32a4ebbd9"
      ],
      "supportNote": "El Comercio marks the service's anniversary on 28 July and names Protransporte, the Lima municipal agency, as its manager: 'Este 28 de julio el servicio de transporte Metropolitano cumplió 7 años.'",
      "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-5fab8d3cdf813aa4",
      "field": "snippet",
      "text": "the ATU, the transport authority for Lima and Callao, took it over on 14 September 2020",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-a96fb3a6f5d87b8d"
      ],
      "supportNote": "The official gazette fixes 14 September 2020 as the date ATU began exercising the functions transferred from Protransporte under the Ley 30900 merger.",
      "caveat": "Gazette record confirmed via the search index; the page itself resisted automated fetching.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-e76aad0a46123faa",
      "field": "snippet",
      "text": "Riders still pay with the system's own Metropolitano card, topped up through mobile wallets",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0d19c29ee7ff1ed8"
      ],
      "supportNote": "Infobae describes passengers recharging their Metropolitano card through the Yape and Plin mobile wallets and validating it at station validators.",
      "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-0921940e1bb1288e",
      "field": "snippet",
      "text": "Lima's interoperable card runs on Metro Line 2, not here",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-4e14d3b7049a1b8d"
      ],
      "supportNote": "The official gazette reports the interoperable card working on Metro Line 2 since 2024, with the Metropolitano still only a target for future extension: 'la tarjeta interoperable funciona desde el 2024 en la Línea 2 del Metro de Lima y Callao.'",
      "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-4b2f0ea569b91054",
      "field": "snippet",
      "text": "Ridership reached about 480,000 trips a day in late 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e785f039d461e617"
      ],
      "supportNote": "ATU's year-end figures put the Metropolitano at 480,000 daily trips in the last quarter of 2025: 'alcanzando 480 mil viajes diarios en el último trimestre del año.'",
      "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-76e7843cb48a47fe",
      "field": "snippet",
      "text": "Fifteen years in, the concession is still formally preoperative",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-94775222dc8a9faa"
      ],
      "supportNote": "More than fifteen years after service began, the contract remains in its preoperative stage; ATU is preparing a structural addendum to start the operational phase: 'Tras más de 15 años de funcionamiento en etapa preoperativa.'",
      "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-74f0b2911a0b24c9",
      "field": "snippet",
      "text": "11 of the 17 northern-extension stations stand built but closed",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "La República names all 11 closed stations of the 17-station northern extension and quotes ATU saying the fleet is too small to serve every stop without harming the operation.",
      "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-64714c57ff488267",
      "field": "impact",
      "text": "About 480,000 trips a day in the last quarter of 2025, up from 420,000 at the start of that year, according to ATU figures",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e785f039d461e617"
      ],
      "supportNote": "The demand figures and the year-on-year growth are ATU's own, published in its end-of-year balance: '480 mil viajes diarios en el último trimestre del año, frente a los 420 mil del inicio del 2025.'",
      "caveat": "The authority's own count, not an independent measurement.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-796ec300c6f6f871",
      "field": "impact",
      "text": "found large impacts on employment, hours worked and labour earnings for people living close to trunk stations, but none for those near the feeder lines, and no evidence of impacts for populations in lower-income areas",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-fcc89bdd844a2771"
      ],
      "supportNote": "The paper's difference-in-differences estimates: 'We find large impacts on employment, hours worked and labor earnings for those individuals close to the BRT stations, but not for those who live close to the feeder lines. … we find no evidence of impacts for populations living in lower income areas.'",
      "caveat": "An IDB working paper, not a journal article — and the IDB co-financed the system.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-65f69b58d1db9a8b",
      "field": "impact",
      "text": "The northern extension cost S/532 million",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "La República gives the cost of the northern-extension infrastructure handed to ATU: 'infraestructura que costó S/532 millones.'",
      "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-756763471bab3603",
      "field": "lesson",
      "text": "fifteen years after opening, the concession is still formally preoperative",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-94775222dc8a9faa"
      ],
      "supportNote": "The system has run more than fifteen years without formally entering its operational phase.",
      "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-34868a5cd440c6b1",
      "field": "lesson",
      "text": "finished stations stay shut waiting on a contract addendum and buses rather than on any missing technology",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "The blockers La República identifies are the structural addendum still being corrected at the finance ministry and a fleet too small to serve the stops — not construction or systems.",
      "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-e785f039d461e617",
      "title": "El Comercio — ATU year-end balance (31 December 2025)",
      "url": "https://elcomercio.pe/lima/transporte/ano-nuevo-atu-consolida-avances-en-el-transporte-publico-y-proyecta-mejoras-para-el-2026-ultimas-noticia/",
      "publisher": {
       "name": null,
       "domain": "elcomercio.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-4b2f0ea569b91054",
       "clm-64714c57ff488267"
      ],
      "temporal": {
       "publishedAt": "2025-12-31",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the ridership figures, attributed to ATU: 480,000 daily trips in Q4 2025 against 420,000 at the start of 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-3bf5f33cc4107f3f",
      "title": "La República — 'Las estaciones fantasma del Metropolitano' (8 August 2026)",
      "url": "https://larepublica.pe/sociedad/2026/08/08/las-estaciones-fantasma-del-metropolitano-ampliacion-norte-sigue-inconclusa-por-falta-de-buses-y-una-adenda-estancada-176028",
      "publisher": {
       "name": null,
       "domain": "larepublica.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-74f0b2911a0b24c9",
       "clm-65f69b58d1db9a8b",
       "clm-34868a5cd440c6b1"
      ],
      "temporal": {
       "publishedAt": "2026-08-08",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Strongest recent source: names the 17 stations of the ampliación norte, the 11 still closed, the S/532M cost, the stalled MEF addendum and ATU's own fleet-shortage statement. Sol figure converted here at roughly S/3.55 per US$ (mid-2026 rate) and rounded generously; no source states a dollar value.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-94775222dc8a9faa",
      "title": "Stakeholders — ATU announces structural addendum (27 May 2026)",
      "url": "https://stakeholders.com.pe/noticias-sh/metropolitano-iniciaria-fase-operativa-atu-anuncia-adenda-estructural-tras-16-anos-de-marcha-blanca/",
      "publisher": {
       "name": null,
       "domain": "stakeholders.com.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-76e7843cb48a47fe",
       "clm-756763471bab3603"
      ],
      "temporal": {
       "publishedAt": "2026-05-27",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Documents that the concession has run more than 15 years in a preoperative phase and that ATU planned to send its addendum proposal to the MEF on 15 June 2026.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fcc89bdd844a2771",
      "title": "Scholl, Martínez, Mitnik, Oviedo & Yáñez-Pagans (2018) — 'A Rapid Road to Employment?', IDB Working Paper 9452 / IZA DP 12019",
      "url": "https://ideas.repec.org/p/idb/brikps/9452.html",
      "publisher": {
       "name": null,
       "domain": "ideas.repec.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-796ec300c6f6f871"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Quasi-experimental difference-in-differences evaluation of the Metropolitano. A working paper, not a peer-reviewed journal article — and the IDB also supported the system, so it is funder-adjacent research. Full text: https://docs.iza.org/dp12019.pdf",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-4e14d3b7049a1b8d",
      "title": "El Peruano — interoperable transport card (16 June 2026)",
      "url": "https://elperuano.pe/noticia/298074-atu-implementa-desde-agosto-tarjeta-unica-para-transporte-publico-en-lima-y-callao",
      "publisher": {
       "name": null,
       "domain": "elperuano.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-0921940e1bb1288e"
      ],
      "temporal": {
       "publishedAt": "2026-06-16",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official gazette: the interoperable card (TIT) has run on Metro Line 2 since 2024; extension to the Metropolitano, the corredores and Metro Line 1 is planned, and the new card will coexist with each service's own card.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0d19c29ee7ff1ed8",
      "title": "Infobae — ATU's digital tools (18 July 2026)",
      "url": "https://www.infobae.com/peru/2026/07/18/atu-espera-revolucionar-transporte-publico-con-tecnologia-asi-funcionan-sus-nuevas-herramientas-digitales/",
      "publisher": {
       "name": null,
       "domain": "infobae.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-e76aad0a46123faa"
      ],
      "temporal": {
       "publishedAt": "2026-07-18",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Describes Metropolitano card top-up via Yape/Plin and station validators, and the ATU-wide real-time GPS feed into the SIT's Centro de Gestión y Monitoreo. Notably describes no passenger real-time arrival app.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fc9a5cc32a4ebbd9",
      "title": "El Comercio — the Metropolitano at seven years (31 July 2017)",
      "url": "https://elcomercio.pe/lima/transporte/metropolitano-cumplio-7-anos-obra-falta-culminar-fotos-noticia-446225-noticia/",
      "publisher": {
       "name": null,
       "domain": "elcomercio.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-9b30ec49c97d4b6d"
      ],
      "temporal": {
       "publishedAt": "2017-07-31",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Dates the start of service to 28 July 2010 under Protransporte, and records that the Carabayllo extension announced in 2015 had not materialised.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-a96fb3a6f5d87b8d",
      "title": "El Peruano — Resolución N° 127-2020-ATU/PE",
      "url": "https://busquedas.elperuano.pe/dispositivo/NL/1880793-1",
      "publisher": {
       "name": null,
       "domain": "busquedas.elperuano.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-5fab8d3cdf813aa4"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official gazette record setting 14 September 2020 as the start of ATU's exercise of the functions transferred from PROTRANSPORTE under the Ley 30900 merger. Confirmed via the search index; the gazette page itself was not fetched directly.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-6bb92a4d1a095c05",
      "title": "Contraloría General de la República — alert on repeated delays in the northern extension",
      "url": "https://www.gob.pe/institucion/contraloria/noticias/659171-contraloria-alerta-atrasos-reiterados-en-ampliacion-del-tramo-norte-del-metropolitano",
      "publisher": {
       "name": null,
       "domain": "gob.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-17",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Peru's national audit office on the Naranjal–Chimpu Ocllo works. gob.pe returns HTTP 418 to automated fetches (bot wall); the alert is corroborated by El Comercio, Gestión and Ojo.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 12,
     "claimsMapped": 12,
     "sourcesTotal": 9,
     "sourcesUsedByClaims": 8,
     "sourcesWithPublicationDate": 6,
     "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": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T00:00:00Z",
   "effectiveAt": "2026-08-17",
   "changeType": "update",
   "summary": "Recorded sources[].date on every source that states one and an explicit null on the living pages that state none, so the entry can say how old its evidence is.",
   "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:a8bc49b6663f62a9f02c67462450277690123621fb76e062b2171a6a06d1cd77",
   "snapshot": {
    "asOf": "2026-08-17",
    "projectFingerprint": "sha256:4f23fba7f6cb35650d31f29cfc6cb0b1befa1aebd0c19ee7b6b684d9a753eff7",
    "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": "independent",
     "timeline": {
      "started": 2010,
      "ended": null
     }
    },
    "governance": {
     "operator": "Autoridad de Transporte Urbano para Lima y Callao (ATU); trunk and feeder services run by private concessionaires",
     "actorTypes": [
      "regional-government",
      "private"
     ],
     "fundingModel": "ppp",
     "fundingDescription": "Municipal infrastructure investment with multilateral support (IDB, World Bank); concessionaires operate the buses on fare revenue",
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-9b30ec49c97d4b6d",
      "field": "snippet",
      "text": "opened on 28 July 2010 under the city agency Protransporte",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-fc9a5cc32a4ebbd9"
      ],
      "supportNote": "El Comercio marks the service's anniversary on 28 July and names Protransporte, the Lima municipal agency, as its manager: 'Este 28 de julio el servicio de transporte Metropolitano cumplió 7 años.'",
      "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-5fab8d3cdf813aa4",
      "field": "snippet",
      "text": "the ATU, the transport authority for Lima and Callao, took it over on 14 September 2020",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-a96fb3a6f5d87b8d"
      ],
      "supportNote": "The official gazette fixes 14 September 2020 as the date ATU began exercising the functions transferred from Protransporte under the Ley 30900 merger.",
      "caveat": "Gazette record confirmed via the search index; the page itself resisted automated fetching.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-e76aad0a46123faa",
      "field": "snippet",
      "text": "Riders still pay with the system's own Metropolitano card, topped up through mobile wallets",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-0d19c29ee7ff1ed8"
      ],
      "supportNote": "Infobae describes passengers recharging their Metropolitano card through the Yape and Plin mobile wallets and validating it at station validators.",
      "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-0921940e1bb1288e",
      "field": "snippet",
      "text": "Lima's interoperable card runs on Metro Line 2, not here",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-4e14d3b7049a1b8d"
      ],
      "supportNote": "The official gazette reports the interoperable card working on Metro Line 2 since 2024, with the Metropolitano still only a target for future extension: 'la tarjeta interoperable funciona desde el 2024 en la Línea 2 del Metro de Lima y Callao.'",
      "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-4b2f0ea569b91054",
      "field": "snippet",
      "text": "Ridership reached about 480,000 trips a day in late 2025",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e785f039d461e617"
      ],
      "supportNote": "ATU's year-end figures put the Metropolitano at 480,000 daily trips in the last quarter of 2025: 'alcanzando 480 mil viajes diarios en el último trimestre del año.'",
      "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-76e7843cb48a47fe",
      "field": "snippet",
      "text": "Fifteen years in, the concession is still formally preoperative",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-94775222dc8a9faa"
      ],
      "supportNote": "More than fifteen years after service began, the contract remains in its preoperative stage; ATU is preparing a structural addendum to start the operational phase: 'Tras más de 15 años de funcionamiento en etapa preoperativa.'",
      "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-74f0b2911a0b24c9",
      "field": "snippet",
      "text": "11 of the 17 northern-extension stations stand built but closed",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "La República names all 11 closed stations of the 17-station northern extension and quotes ATU saying the fleet is too small to serve every stop without harming the operation.",
      "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-64714c57ff488267",
      "field": "impact",
      "text": "About 480,000 trips a day in the last quarter of 2025, up from 420,000 at the start of that year, according to ATU figures",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e785f039d461e617"
      ],
      "supportNote": "The demand figures and the year-on-year growth are ATU's own, published in its end-of-year balance: '480 mil viajes diarios en el último trimestre del año, frente a los 420 mil del inicio del 2025.'",
      "caveat": "The authority's own count, not an independent measurement.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-796ec300c6f6f871",
      "field": "impact",
      "text": "found large impacts on employment, hours worked and labour earnings for people living close to trunk stations, but none for those near the feeder lines, and no evidence of impacts for populations in lower-income areas",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-fcc89bdd844a2771"
      ],
      "supportNote": "The paper's difference-in-differences estimates: 'We find large impacts on employment, hours worked and labor earnings for those individuals close to the BRT stations, but not for those who live close to the feeder lines. … we find no evidence of impacts for populations living in lower income areas.'",
      "caveat": "An IDB working paper, not a journal article — and the IDB co-financed the system.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-65f69b58d1db9a8b",
      "field": "impact",
      "text": "The northern extension cost S/532 million",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "La República gives the cost of the northern-extension infrastructure handed to ATU: 'infraestructura que costó S/532 millones.'",
      "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-756763471bab3603",
      "field": "lesson",
      "text": "fifteen years after opening, the concession is still formally preoperative",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-94775222dc8a9faa"
      ],
      "supportNote": "The system has run more than fifteen years without formally entering its operational phase.",
      "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-34868a5cd440c6b1",
      "field": "lesson",
      "text": "finished stations stay shut waiting on a contract addendum and buses rather than on any missing technology",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3bf5f33cc4107f3f"
      ],
      "supportNote": "The blockers La República identifies are the structural addendum still being corrected at the finance ministry and a fleet too small to serve the stops — not construction or systems.",
      "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-e785f039d461e617",
      "title": "El Comercio — ATU year-end balance (31 December 2025)",
      "url": "https://elcomercio.pe/lima/transporte/ano-nuevo-atu-consolida-avances-en-el-transporte-publico-y-proyecta-mejoras-para-el-2026-ultimas-noticia/",
      "publisher": {
       "name": null,
       "domain": "elcomercio.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-4b2f0ea569b91054",
       "clm-64714c57ff488267"
      ],
      "temporal": {
       "publishedAt": "2025-12-31",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the ridership figures, attributed to ATU: 480,000 daily trips in Q4 2025 against 420,000 at the start of 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-3bf5f33cc4107f3f",
      "title": "La República — 'Las estaciones fantasma del Metropolitano' (8 August 2026)",
      "url": "https://larepublica.pe/sociedad/2026/08/08/las-estaciones-fantasma-del-metropolitano-ampliacion-norte-sigue-inconclusa-por-falta-de-buses-y-una-adenda-estancada-176028",
      "publisher": {
       "name": null,
       "domain": "larepublica.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-74f0b2911a0b24c9",
       "clm-65f69b58d1db9a8b",
       "clm-34868a5cd440c6b1"
      ],
      "temporal": {
       "publishedAt": "2026-08-08",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Strongest recent source: names the 17 stations of the ampliación norte, the 11 still closed, the S/532M cost, the stalled MEF addendum and ATU's own fleet-shortage statement. Sol figure converted here at roughly S/3.55 per US$ (mid-2026 rate) and rounded generously; no source states a dollar value.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-94775222dc8a9faa",
      "title": "Stakeholders — ATU announces structural addendum (27 May 2026)",
      "url": "https://stakeholders.com.pe/noticias-sh/metropolitano-iniciaria-fase-operativa-atu-anuncia-adenda-estructural-tras-16-anos-de-marcha-blanca/",
      "publisher": {
       "name": null,
       "domain": "stakeholders.com.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-76e7843cb48a47fe",
       "clm-756763471bab3603"
      ],
      "temporal": {
       "publishedAt": "2026-05-27",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Documents that the concession has run more than 15 years in a preoperative phase and that ATU planned to send its addendum proposal to the MEF on 15 June 2026.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fcc89bdd844a2771",
      "title": "Scholl, Martínez, Mitnik, Oviedo & Yáñez-Pagans (2018) — 'A Rapid Road to Employment?', IDB Working Paper 9452 / IZA DP 12019",
      "url": "https://ideas.repec.org/p/idb/brikps/9452.html",
      "publisher": {
       "name": null,
       "domain": "ideas.repec.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-796ec300c6f6f871"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Quasi-experimental difference-in-differences evaluation of the Metropolitano. A working paper, not a peer-reviewed journal article — and the IDB also supported the system, so it is funder-adjacent research. Full text: https://docs.iza.org/dp12019.pdf",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-4e14d3b7049a1b8d",
      "title": "El Peruano — interoperable transport card (16 June 2026)",
      "url": "https://elperuano.pe/noticia/298074-atu-implementa-desde-agosto-tarjeta-unica-para-transporte-publico-en-lima-y-callao",
      "publisher": {
       "name": null,
       "domain": "elperuano.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-0921940e1bb1288e"
      ],
      "temporal": {
       "publishedAt": "2026-06-16",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official gazette: the interoperable card (TIT) has run on Metro Line 2 since 2024; extension to the Metropolitano, the corredores and Metro Line 1 is planned, and the new card will coexist with each service's own card.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0d19c29ee7ff1ed8",
      "title": "Infobae — ATU's digital tools (18 July 2026)",
      "url": "https://www.infobae.com/peru/2026/07/18/atu-espera-revolucionar-transporte-publico-con-tecnologia-asi-funcionan-sus-nuevas-herramientas-digitales/",
      "publisher": {
       "name": null,
       "domain": "infobae.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-e76aad0a46123faa"
      ],
      "temporal": {
       "publishedAt": "2026-07-18",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Describes Metropolitano card top-up via Yape/Plin and station validators, and the ATU-wide real-time GPS feed into the SIT's Centro de Gestión y Monitoreo. Notably describes no passenger real-time arrival app.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fc9a5cc32a4ebbd9",
      "title": "El Comercio — the Metropolitano at seven years (31 July 2017)",
      "url": "https://elcomercio.pe/lima/transporte/metropolitano-cumplio-7-anos-obra-falta-culminar-fotos-noticia-446225-noticia/",
      "publisher": {
       "name": null,
       "domain": "elcomercio.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-9b30ec49c97d4b6d"
      ],
      "temporal": {
       "publishedAt": "2017-07-31",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Dates the start of service to 28 July 2010 under Protransporte, and records that the Carabayllo extension announced in 2015 had not materialised.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-a96fb3a6f5d87b8d",
      "title": "El Peruano — Resolución N° 127-2020-ATU/PE",
      "url": "https://busquedas.elperuano.pe/dispositivo/NL/1880793-1",
      "publisher": {
       "name": null,
       "domain": "busquedas.elperuano.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-5fab8d3cdf813aa4"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official gazette record setting 14 September 2020 as the start of ATU's exercise of the functions transferred from PROTRANSPORTE under the Ley 30900 merger. Confirmed via the search index; the gazette page itself was not fetched directly.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-6bb92a4d1a095c05",
      "title": "Contraloría General de la República — alert on repeated delays in the northern extension",
      "url": "https://www.gob.pe/institucion/contraloria/noticias/659171-contraloria-alerta-atrasos-reiterados-en-ampliacion-del-tramo-norte-del-metropolitano",
      "publisher": {
       "name": null,
       "domain": "gob.pe",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2022-10-11",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-17",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Peru's national audit office on the Naranjal–Chimpu Ocllo works. gob.pe returns HTTP 418 to automated fetches (bot wall); the alert is corroborated by El Comercio, Gestión and Ojo.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 12,
     "claimsMapped": 12,
     "sourcesTotal": 9,
     "sourcesUsedByClaims": 8,
     "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."
    ]
   }
  }
 ]
}
