{
 "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": "hangzhou-open-data",
  "title": "Hangzhou Data Open Platform",
  "canonicalUrl": "https://1001smartcities.org/projects/hangzhou-open-data/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T19:29:52Z",
   "effectiveAt": "2026-08-06",
   "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": "sha256:971bb72ca48d9f461637625feaf600ebc194a649b42e7501a8c413dc1341ccdd",
   "snapshot": {
    "asOf": "2026-08-06",
    "projectFingerprint": "sha256:2787d87969d44b876acf660578a7e94306751b0e27fd3af4a689bbdb8017233e",
    "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": "independent",
     "timeline": {
      "started": 2017,
      "ended": null
     }
    },
    "governance": {
     "operator": "Hangzhou Municipal Big Data Resources Administration Bureau (杭州市数据资源管理局)",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-7952a129560a2bdf",
      "field": "impact",
      "text": "placed Hangzhou in its top tier for public data openness, a tier it shares with Jinan, and ranked it first among all Chinese cities on the index's four-year continuity sub-index",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-fe0b67563611fe28"
      ],
      "supportNote": null,
      "caveat": "The top tier is shared, not a first place; the index's own \"first\" wording applies to its continuity sub-index and compares all city categories, not sub-provincial cities alone.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-5d76ec929978c088",
      "title": "Hangzhou Data Open Platform User Guide (Jianggan District government reprint, Sept 2020)",
      "url": "https://jgj.hangzhou.gov.cn/art/2020/9/17/art_1692423_57719058.html",
      "publisher": {
       "name": null,
       "domain": "jgj.hangzhou.gov.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-06",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "States the platform covers 48 departments and 11 districts/counties with 613 published open-data catalogues as of 8 Sept 2020; describes the two-tier access model and API rules.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-fe0b67563611fe28",
      "title": "2024 China Open Data Index, Fudan University Digital & Mobile Governance Lab, via The Paper",
      "url": "https://m.thepaper.cn/newsDetail_forward_28924119",
      "publisher": {
       "name": null,
       "domain": "m.thepaper.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-7952a129560a2bdf"
      ],
      "temporal": {
       "publishedAt": "2024-10-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-06",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Hangzhou and Jinan both won the index's top 'five trees' award; Zhejiang and Hangzhou rank first at the provincial and city level respectively (published 26 Sept 2024).",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-44829187bf9d879e",
      "title": "2025 Hangzhou Municipal Government Work Report",
      "url": "https://hznews.hangzhou.com.cn/xinzheng/yaolan/content/2025-05/28/content_9004393.htm",
      "publisher": {
       "name": null,
       "domain": "hznews.hangzhou.com.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-05-28",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-06",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Sets a 2025 target of adding roughly 100 new open-data catalogues, confirming the platform remains actively operated.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-4698f85a402a17a4",
      "title": "Zhejiang Online, on the founding of the Data Resources Bureau",
      "url": "http://pol.zjol.com.cn/201711/t20171129_5857787.shtml",
      "publisher": {
       "name": null,
       "domain": "pol.zjol.com.cn",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-06",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Confirms the Hangzhou Municipal Big Data Resources Administration Bureau was established in 2017 to unify the city's government/public data platforms.",
       "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."
    ]
   }
  }
 ]
}