{
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 "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.",
 "entity": {
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  "id": "riga-smart-lighting",
  "title": "Automated LED Smart Streetlight Mesh",
  "canonicalUrl": "https://1001smartcities.org/projects/riga-smart-lighting/"
 },
 "currentRevisionId": "2026-08-27-source-dating",
 "revisions": [
  {
   "id": "2026-08-27-claims-and-sources",
   "createdAt": "2026-08-27T04:50:18Z",
   "effectiveAt": "2026-08-02",
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   "summary": "Created the first structured Evidence Passport with 6 claims and 2 source dossiers.",
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     "operation": "add",
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     "summary": "Added claim-level evidence mapping and source dossiers."
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     "operation": "add",
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     "evidenceGrade": "official",
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      "ended": null
     }
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     "operator": "Rigas Gaisma (Riga municipal lighting agency)",
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     "cost": "≈€1.41M (ETS auction funding)",
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
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   "createdAt": "2026-08-27T13:37:00Z",
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      "id": "src-a3c01b7d9769435b",
      "title": "Rīgas valstspilsētas pašvaldība — smart technologies in the city lighting system, 2,459 luminaires (authority)",
      "url": "https://www.riga.lv/lv/jaunums/ieviesot-viedas-tehnologijas-rigas-apgaismes-sistema-pilseta-nomainis-2459-gaismeklus",
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     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
    ]
   }
  }
 ]
}