{
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 "constitutionVersion": "1.0.0",
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 "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.",
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  "id": "guangzhou-open-data-portal",
  "title": "Guangzhou Public Data Open Platform",
  "canonicalUrl": "https://1001smartcities.org/projects/guangzhou-open-data-portal/"
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 "currentRevisionId": "2026-08-27-source-dating",
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   "id": "2026-08-27-claims-and-sources",
   "createdAt": "2026-08-27T04:04:32Z",
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    },
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      "text": "the headline volume — over 150 million records — measures the size of the files, not how much of the city's business they describe",
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     },
     {
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      "title": "Baidu Baike (background)",
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     "claimsMapped": 7,
     "sourcesTotal": 3,
     "sourcesUsedByClaims": 3,
     "sourcesWithPublicationDate": 1,
     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
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    },
    "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."
    ]
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      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The municipal government's record of the platform and its terms of use. The notice is signed by the Guangzhou Municipal Bureau of Government Services and Data Administration and dated 6 December 2024.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 7,
     "claimsMapped": 7,
     "sourcesTotal": 3,
     "sourcesUsedByClaims": 3,
     "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."
    ]
   }
  }
 ]
}