{
 "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": "tehran-air-quality-monitoring",
  "title": "Tehran Air Quality Monitoring Network & Pollution Emergency Closures",
  "canonicalUrl": "https://1001smartcities.org/projects/tehran-air-quality-monitoring/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T19:29:52Z",
   "effectiveAt": "2026-08-07",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 1 claim and 4 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": "sha256:1910d615b68c6058e2a170b91a424dc6b2742f77b2b791e03893274e419ff7b6",
   "snapshot": {
    "asOf": "2026-08-07",
    "projectFingerprint": "sha256:2356151fd0eb25e4b140d6b75886f63eda52e31204bce81673a620fd71d7d3d6",
    "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": "peer-reviewed",
     "timeline": {
      "started": null,
      "ended": null
     }
    },
    "governance": {
     "operator": "Tehran Air Quality Control Company (Tehran Municipality) with Iran's Department of Environment",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": null,
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-443d1fd1025e612e",
      "field": "impact",
      "text": "a 2022 annual PM2.5 average of 36.11 µg/m³ — more than double the WHO guideline of 15 µg/m³",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-8ae6d70ebfbe7418"
      ],
      "supportNote": "The peer-reviewed analysis uses hourly data from all 37 Tehran stations (2019–2022) and reports the 2022 annual PM2.5 mean.",
      "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-8ae6d70ebfbe7418",
      "title": "Scientific Reports (Nature) — 'Spatial and temporal patterns of urban air pollution in Tehran' (2024)",
      "url": "https://www.nature.com/articles/s41598-024-75678-6",
      "publisher": {
       "name": null,
       "domain": "nature.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-443d1fd1025e612e"
      ],
      "temporal": {
       "publishedAt": "2024-10-24",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the station count ('In Tehran, 37 AQMSs are operational, with 24 monitored by the Air Quality Control Company (AQCC) and 13 under the supervision of the Department of Environment'), the hourly 2019–2022 dataset and the 36.11 µg/m³ 2022 PM2.5 average vs the 15 µg/m³ WHO guideline. Fetched and quoted.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7b0ea6b8254a3c08",
      "title": "aqicn.org — Tehran real-time AQI (World Air Quality Index project)",
      "url": "https://aqicn.org/city/tehran/",
      "publisher": {
       "name": null,
       "domain": "aqicn.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Station-before-number check: confirms named ground stations (Imam Khomeini, Poonak, Pasdaran, Region 19, Shahid Beheshti University) feeding live data via Iran's national monitoring system aqms.doe.ir — not a satellite model. Fetched.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-1e4fdf85df55cd48",
      "title": "RFE/RL — 'Tehran Suffocates As Air Pollution Reaches Crisis Levels' (1 Dec 2025)",
      "url": "https://www.rferl.org/a/tehran-iran-air-pollution-health/33610255.html",
      "publisher": {
       "name": null,
       "domain": "rferl.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-12-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the November–December 2025 emergency response — schools closed, truck travel banned — and the line that official statistics attribute tens of thousands of deaths across Iran each year to unsafe air. Fetched.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-4837b7ce933e751a",
      "title": "RFE/RL — 'Tehran Pollution Reaches Alarming Level In Latest Environmental Crisis' (29 Nov 2025)",
      "url": "https://www.rferl.org/a/iran-tehran-pollution-alarming-water-crisis/33608669.html",
      "publisher": {
       "name": null,
       "domain": "rferl.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-11-29",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-07",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Carries the closure of educational institutions and universities in the capital as air quality deteriorated. Verified via RFE/RL site-search summary; article body itself is a video piece.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 4,
     "sourcesUsedByClaims": 1,
     "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."
    ]
   }
  }
 ]
}