{
 "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": "karachi-green-line-brt",
  "title": "Green Line BRT and the Breeze Fare System",
  "canonicalUrl": "https://1001smartcities.org/projects/karachi-green-line-brt/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-15-baseline",
   "createdAt": "2026-08-15T18:14:00Z",
   "effectiveAt": "2026-08-15",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 11 claims and 5 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:dab76e9f99354c774abc465cd0c8b0d148779ba8c4e2615f83ce8a8f177bff04",
   "snapshot": {
    "asOf": "2026-08-15",
    "projectFingerprint": "sha256:a91d65850222d8a36aa7f24a874b06cd25ebe0e56d9ebf1815a33d72ccd26a0c",
    "assurance": {
     "status": "unreviewed",
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     "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": "media",
     "timeline": {
      "started": 2021,
      "ended": null
     }
    },
    "governance": {
     "operator": "Sindh Mass Transit Authority / Government of Sindh (since March 2025); built and previously run for the federal government by Sindh Infrastructure Development Company Ltd",
     "actorTypes": [
      "national-government",
      "regional-government"
     ],
     "fundingModel": "public",
     "fundingDescription": "Federal public development budget (construction); Sindh government fare subsidy since 2025",
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-87a6fc893d43459d",
      "field": "snippet",
      "text": "opened to passengers on 25 December 2021",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2c68fc8aedb3c87c"
      ],
      "supportNote": "Dawn reported on 24 December 2021 that commercial operation of the Green Line would begin the following day.",
      "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-5969eca9f5c927a5",
      "field": "snippet",
      "text": "after years of construction delays under successive federal governments",
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      ],
      "supportNote": "Opening coverage recounts the delay history since ground was broken in 2016 under an earlier federal government.",
      "caveat": "The construction start date rests on press recaps of the opening, not on a primary project document.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-eff447f564b14d7c",
      "field": "snippet",
      "text": "built for the federal government by the Sindh Infrastructure Development Company",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
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      "supportNote": "Coverage names SIDCL as the implementing and initially operating body and describes the pre-2025 period as federal management.",
      "caveat": "Despite its name, SIDCL is a federally owned company, not a Sindh government one.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     },
     {
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      "field": "snippet",
      "text": "runs about 80 hybrid buses",
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      "supportNote": "Press coverage of full operations puts the fleet at 80 hybrid buses.",
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       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     {
      "id": "clm-ae736d71b9da76aa",
      "field": "snippet",
      "text": "fares handled through the Breeze stored-value card and app, which also shows live bus positions",
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      "supportNote": "The app was launched for tracking buses, recharging accounts and buying tickets; the Play listing shows it is still maintained (updated September 2025).",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     },
     {
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      "field": "snippet",
      "text": "In March 2025 the federal government handed operations to the Sindh government",
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      "supportNote": "Dawn's December 2025 report references the Sindh government taking control of both lines from 10 March 2025.",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     },
     {
      "id": "clm-3bfcd67e8ca57d2b",
      "field": "snippet",
      "text": "connected the short Orange Line to the corridor in December 2025",
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      "mappingStatus": "mapped",
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      "supportNote": "Dawn reported the inauguration of the Orange–Green connection on 31 December 2025.",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     },
     {
      "id": "clm-641f39ff72807bf4",
      "field": "snippet",
      "text": "both lines run on a single ticket",
      "statementKind": "descriptive",
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      "supportNote": "The senior minister said the entire journey is now possible on a single ticket, ending double fares.",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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      "field": "impact",
      "text": "carried about 55,000 passengers a day",
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      "supportNote": "Dawn cites roughly 55,000 daily riders during the federal government's tenure.",
      "caveat": "A government statement reported in the press; no audited ridership count has been published.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-cda8a64e624492bd",
      "field": "impact",
      "text": "put daily ridership at around 80,000",
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      "supportNote": "Dawn reports ridership of around 80,000 per day under provincial management, per official statements.",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-4b8515d5654fb65a",
      "field": "lesson",
      "text": "a single ticket across the Green and Orange lines arrived not with new hardware but when one government finally ran both",
      "statementKind": "descriptive",
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      "mappingStatus": "mapped",
      "sourceRefs": [
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      "supportNote": "The single-ticket announcement came with the provincial integration of the two lines in December 2025, months after the March 2025 takeover.",
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      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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    ],
    "sources": [
     {
      "id": "src-2c68fc8aedb3c87c",
      "title": "Dawn — Green Line commercial operation begins",
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       "value": "Reports on 24 December 2021 that commercial service starts the next day; recounts the project's construction history and delays.",
       "exact": false
      },
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     },
     {
      "id": "src-dc660302d9a2bfea",
      "title": "The News — Green Line fully operational",
      "url": "https://www.thenews.com.pk/latest/924126",
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       "classification": "not-classified"
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       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Full operations from January 2022 and the ~80-bus fleet.",
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      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-919a134216c29d3a",
      "title": "ARY News — Breeze app launched for Green and Orange Line",
      "url": "https://arynews.tv/mobile-app-launched-for-metro-service-passengers/",
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       "name": null,
       "domain": "arynews.tv",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
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       "recordLastVerifiedAt": "2026-08-15",
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      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "SIDCL and the Ministry of Planning launched the app for bus tracking, account recharge and ticket purchase.",
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      },
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     },
     {
      "id": "src-1a678ad13c31413d",
      "title": "Dawn — Orange Line connected with Green Line",
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       "name": null,
       "domain": "dawn.com",
       "classification": "not-classified"
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      "language": "und",
      "role": "claim-evidence",
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       "publishedAt": "2025-12-31",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-15",
       "dossierCreatedAt": "2026-08-15",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
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       "type": "descriptive-source-note",
       "value": "31 December 2025: single-ticket travel across both lines; ridership 55,000 under federal management vs around 80,000 under provincial management; references the 10 March takeover.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-49083170e0afea67",
      "title": "Karachi Breeze app — Google Play listing",
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      "publisher": {
       "name": null,
       "domain": "play.google.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
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      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-15",
       "dossierCreatedAt": "2026-08-15",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The official fare/tracking app (developer Kentkart) is live; listing last updated September 2025, v1.4.1.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 11,
     "claimsMapped": 11,
     "sourcesTotal": 5,
     "sourcesUsedByClaims": 5,
     "sourcesWithPublicationDate": 1,
     "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": "2026-08-15",
   "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": {
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    "label": "AI-assisted evidence preparation",
    "humanApproved": false
   },
   "review": {
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    "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."
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   ],
   "snapshotHash": "sha256:d7328346a287644a48bec0ab09ab71f579f0a0a345f89c97e0ee1044f3d794bf",
   "snapshot": {
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    "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": [
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      "publication-diff-contract",
      "material-project-fingerprint",
      "claim-text-drift",
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      "complete-source-dossier",
      "snapshot-hash"
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    },
    "projectState": {
     "status": "live",
     "outcome": "ongoing",
     "evidenceGrade": "media",
     "timeline": {
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      "ended": null
     }
    },
    "governance": {
     "operator": "Sindh Mass Transit Authority / Government of Sindh (since March 2025); built and previously run for the federal government by Sindh Infrastructure Development Company Ltd",
     "actorTypes": [
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      "regional-government"
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     "fundingModel": "public",
     "fundingDescription": "Federal public development budget (construction); Sindh government fare subsidy since 2025",
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-87a6fc893d43459d",
      "field": "snippet",
      "text": "opened to passengers on 25 December 2021",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2c68fc8aedb3c87c"
      ],
      "supportNote": "Dawn reported on 24 December 2021 that commercial operation of the Green Line would begin the following day.",
      "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-5969eca9f5c927a5",
      "field": "snippet",
      "text": "after years of construction delays under successive federal governments",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2c68fc8aedb3c87c"
      ],
      "supportNote": "Opening coverage recounts the delay history since ground was broken in 2016 under an earlier federal government.",
      "caveat": "The construction start date rests on press recaps of the opening, not on a primary project document.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-eff447f564b14d7c",
      "field": "snippet",
      "text": "built for the federal government by the Sindh Infrastructure Development Company",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-919a134216c29d3a",
       "src-1a678ad13c31413d"
      ],
      "supportNote": "Coverage names SIDCL as the implementing and initially operating body and describes the pre-2025 period as federal management.",
      "caveat": "Despite its name, SIDCL is a federally owned company, not a Sindh government one.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-f847e80d812af5b4",
      "field": "snippet",
      "text": "runs about 80 hybrid buses",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-dc660302d9a2bfea"
      ],
      "supportNote": "Press coverage of full operations puts the fleet at 80 hybrid buses.",
      "caveat": "Fleet size is operator-stated; no independent fleet audit exists.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-ae736d71b9da76aa",
      "field": "snippet",
      "text": "fares handled through the Breeze stored-value card and app, which also shows live bus positions",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-919a134216c29d3a",
       "src-49083170e0afea67"
      ],
      "supportNote": "The app was launched for tracking buses, recharging accounts and buying tickets; the Play listing shows it is still maintained (updated September 2025).",
      "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-d4775a0144397316",
      "field": "snippet",
      "text": "In March 2025 the federal government handed operations to the Sindh government",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-1a678ad13c31413d"
      ],
      "supportNote": "Dawn's December 2025 report references the Sindh government taking control of both lines from 10 March 2025.",
      "caveat": "The takeover date is referenced in later reporting rather than a published handover document.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
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     "claimsMapped": 11,
     "sourcesTotal": 5,
     "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."
    ]
   }
  }
 ]
}