{
 "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": "guangzhou-vehicle-quota-lottery",
  "title": "Passenger Vehicle Quota Lottery & Auction",
  "canonicalUrl": "https://1001smartcities.org/projects/guangzhou-vehicle-quota-lottery/"
 },
 "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 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": "sha256:12e815f95b6e3d9cdc6c35a0025371d83d8ae226d61801f5e90454cba2e64fd6",
   "snapshot": {
    "asOf": "2026-08-02",
    "projectFingerprint": "sha256:77810d56d75a54d81041d1b2d84add9be9107f9a04066f6c2f42c15b53d4d6d2",
    "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": 2012,
      "ended": null
     }
    },
    "governance": {
     "operator": "Guangzhou Municipal Small and Medium-sized Passenger Vehicle Quota Regulation and Management Office",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-c5982601249e771d",
      "field": "impact",
      "text": "its lottery and auction channels distribute the burden of the cap unevenly between applicants",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-70bd5606f4845564"
      ],
      "supportNote": "The academic study analyses the distributional effects of Guangzhou's combined lottery/auction quota system.",
      "caveat": "The full text is paywalled; the anchor rests on the abstract's reported findings.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-d1dd686d5daef1cc",
      "title": "CarNewsChina (press)",
      "url": "https://carnewschina.com/2012/07/11/guangzhou-to-limit-license-plates-by-auction-and-lottery/",
      "publisher": {
       "name": null,
       "domain": "carnewschina.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2012-07-11",
       "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": "2012 policy launch: hybrid lottery+auction quota design, distinct from Beijing/Shanghai.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-441f751225b435ea",
      "title": "China Daily (press)",
      "url": "https://www.chinadaily.com.cn/china//2012-08/27/content_15709669.htm",
      "publisher": {
       "name": null,
       "domain": "chinadaily.com.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2012-08-27",
       "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": "First lottery results, August 2012 (6,544 winners), confirms lottery launch mechanics.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fc5cb35db92f96be",
      "title": "Guangzhou Municipal Government (official)",
      "url": "https://www.gz.gov.cn/zt/zzyyzq/tzgg/content/post_10536154.html",
      "publisher": {
       "name": null,
       "domain": "gz.gov.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "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": "November 2025 bidding-round notice: 17,712 indicators allocated, ¥10,000 minimum bid — confirms the system is still live.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-70bd5606f4845564",
      "title": "ScienceDirect (peer-reviewed, abstract)",
      "url": "https://www.sciencedirect.com/science/article/abs/pii/S0965856417303324",
      "publisher": {
       "name": null,
       "domain": "sciencedirect.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-c5982601249e771d"
      ],
      "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 study on the distributional effects of Guangzhou's combined lottery/auction system; full text paywalled, abstract and citation confirm findings referenced here.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 4,
     "sourcesUsedByClaims": 1,
     "sourcesWithPublicationDate": 2,
     "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."
    ]
   }
  }
 ]
}