{
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 "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": {
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  "id": "hangzhou-health-code",
  "title": "Health Code (健康码) — Hangzhou's Pandemic Status QR",
  "canonicalUrl": "https://1001smartcities.org/projects/hangzhou-health-code/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
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   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T00:00:00Z",
   "effectiveAt": "2026-08-03",
   "changeType": "baseline",
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   },
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     "summary": "Added claim-level evidence mapping and source dossiers."
    },
    {
     "operation": "add",
     "path": "/revisionHistory",
     "summary": "Established a permanent, hash-addressed baseline revision."
    }
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     "outcome": "succeeded",
     "evidenceGrade": "peer-reviewed",
     "timeline": {
      "started": 2020,
      "ended": 2022
     }
    },
    "governance": {
     "operator": "Hangzhou Municipal Government (Yuhang district pilot), with Alibaba Cloud, Ant Financial/Alipay and DingTalk",
     "actorTypes": [
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     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
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      "title": "City's Plan for Permanent 'Health Codes' Sparks Online Backlash (Sixth Tone)",
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       "publishedAt": "2020-05-25",
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       "value": "May 2020: Hangzhou Health Commission proposed a permanent 0-100 lifestyle score; 86% of a Weibo poll opposed it.",
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      "locator": {
       "type": "descriptive-source-note",
       "value": "Four days after the proposal, Hangzhou officials walked it back, calling the scored code conceptual only.",
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      "title": "杭州政协网 (Hangzhou CPPCC)",
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      },
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     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 6,
     "sourcesUsedByClaims": 1,
     "sourcesWithPublicationDate": 6,
     "sourcesWithArchive": 1,
     "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."
    ]
   }
  }
 ]
}