{
 "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": "belo-horizonte-op-digital",
  "title": "OP Digital: Belo Horizonte's Online Participatory Budget",
  "canonicalUrl": "https://1001smartcities.org/projects/belo-horizonte-op-digital/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T19:29:52Z",
   "effectiveAt": "2026-08-02",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 1 claim and 3 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:a6ce1a4095b71e97dfaf36e52ce7f13a5d259ae349324765cd94270b699dd692",
   "snapshot": {
    "asOf": "2026-08-02",
    "projectFingerprint": "sha256:dcdb9f120b103ac11d7718f6c38487707a695972c1f80878a710124ba036cafe",
    "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": "completed",
     "outcome": "scaled-back",
     "evidenceGrade": "independent",
     "timeline": {
      "started": 2006,
      "ended": 2013
     }
    },
    "governance": {
     "operator": "Prefeitura de Belo Horizonte (municipal government)",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-57cd89ffd57bbf2a",
      "field": "impact",
      "text": "about 173,000 voters in 2006, 124,000 in 2008, and 25,000 in 2011",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2ced34d9e573f820"
      ],
      "supportNote": null,
      "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-a9ddb1249b61f7d7",
      "title": "Politize! — \"Orçamento Participativo Digital: o caso de Belo Horizonte\"",
      "url": "https://www.politize.com.br/orcamento-participativo-digital-belo-horizonte/",
      "publisher": {
       "name": null,
       "domain": "politize.com.br",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2017-04-13",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "2006 launch, online/telephone voting mechanism (one of four works per region), 2008 edition detail (over 113,000 votes, 90% via internet/10% telephone), UN 'Best Practice' recognition, R$70M+ in approved works from the 2006-2008 period.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-2ced34d9e573f820",
      "title": "Redalyc — \"Orçamento Participativo de Belo Horizonte\"",
      "url": "https://www.redalyc.org/pdf/676/67623463001.pdf",
      "publisher": {
       "name": null,
       "domain": "redalyc.org",
       "classification": "not-classified"
      },
      "sourceType": "pdf",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-57cd89ffd57bbf2a"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Academic source (appearing consistently across search results) for the program's four digital cycles (2006, 2008, 2011, 2013) and the declining-turnout figures per edition (~173,000 in 2006, ~124,000 in 2008, ~25,000 in 2011).",
       "exact": false
      },
      "preservation": {
       "archiveUrl": "https://web.archive.org/web/20240710191903/https://www.redalyc.org/pdf/676/67623463001.pdf",
       "archivedAt": "2024-07-10",
       "contentHash": null,
       "status": "archive-linked"
      }
     },
     {
      "id": "src-b9b82837165bd1a3",
      "title": "O Tempo — \"BH volta a ter Orçamento Participativo com verba de R$ 73 mi\" (2024)",
      "url": "https://www.otempo.com.br/cidades/bh-volta-a-ter-orcamento-participativo-com-verba-de-r-73-mi-saiba-participar-1.3352560",
      "publisher": {
       "name": null,
       "domain": "otempo.com.br",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2024-03-21",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Confirms the broader participatory-budget process was suspended after 2015/2016 and resumed in 2024 in a form focused on villages, favelas and Special Social Interest Zones (ZEIS), with no mention of restored online voting.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 3,
     "sourcesUsedByClaims": 1,
     "sourcesWithPublicationDate": 2,
     "sourcesWithArchive": 1,
     "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."
    ]
   }
  }
 ]
}