{
 "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": "hamburg-starkregenkarte",
  "title": "Hamburg Heavy Rain Map & Severity Index",
  "canonicalUrl": "https://1001smartcities.org/projects/hamburg-starkregenkarte/"
 },
 "currentRevisionId": "2026-08-28-evidence-baseline",
 "revisions": [
  {
   "id": "2026-08-28-evidence-baseline",
   "createdAt": "2026-08-28T09:57:22Z",
   "effectiveAt": "2026-08-28",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 11 claims and 7 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": "sha256:5c53c2995feae62bc586726f951c5217b7af0241f85b3c7cede62b2711fa42ad",
   "snapshot": {
    "asOf": "2026-08-28",
    "projectFingerprint": "sha256:720c3ad1cf1452df65c70e8aee2f2ac9605f70e650a930f66f81283d2ff6406a",
    "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": "official",
     "timeline": {
      "started": 2019,
      "ended": null
     }
    },
    "governance": {
     "operator": "HAMBURG WASSER (with Hamburg's environment authority, BUKEA)",
     "actorTypes": [
      "utility",
      "city-government"
     ],
     "fundingModel": null,
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-69f4cb04cea0af80",
      "field": "snippet",
      "text": "publishes a public rain map that recalculates precipitation across the metropolitan region every five minutes from German Weather Service radar plus its own gauges",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a02ea25118f1748",
       "src-25934d169194f57d"
      ],
      "supportNote": "The operator states that German Weather Service radar data and its own gauge readings are combined and refreshed every five minutes for Hamburg and the metropolitan region; the federal profile independently confirms the five-minute recalculation for the greater Hamburg area.",
      "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-699d211796a353f8",
      "field": "snippet",
      "text": "grading events on a twelve-step heavy-rain index across 24,000 grid cells",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-25934d169194f57d"
      ],
      "supportNote": "The federal profile states the twelve-step Starkregenindex (graded by duration, rainfall amount and statistical recurrence) and the assignment of readings to 24,000 cells of 500 x 500 metres.",
      "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-4823d52528bbe874",
      "field": "snippet",
      "text": "It informs residents and authorities",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-25934d169194f57d"
      ],
      "supportNote": "The federal profile names state and municipal administration as the target group and citizens as a further audience.",
      "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-b1482ef78f898800",
      "field": "snippet",
      "text": "no reading automatically triggers pumps or sewer control",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a02ea25118f1748",
       "src-25934d169194f57d",
       "src-ddace49fc69f9b35"
      ],
      "supportNote": "Every description of the map gives it an information role only: the launch coverage states its purposes as sensitising the public and establishing a uniform classification, and neither the operator nor the federal profile attributes any control function to it.",
      "caveat": "An absence reading: the sources describe the map as an information and classification tool and name no control function; none states the negative outright.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-fb8000cac66b114d",
      "field": "impact",
      "text": "No usage figures are published for the live map",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-6a02ea25118f1748",
       "src-25934d169194f57d"
      ],
      "supportNote": "An absence finding: neither the operator's heavy-rain pages nor the federal profile nor the trade coverage of the launch states any access or usage numbers; a targeted search found none.",
      "caveat": "An absence finding — no source publishes usage numbers; none states the negative outright.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-81aa34b07d8992ea",
      "field": "impact",
      "text": "the heavy-rain hazard map HAMBURG WASSER modelled for the city's environment authority",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-18b164dec02ef905"
      ],
      "supportNote": "The authority's release states the hazard map was developed and modelled by HAMBURG WASSER on its behalf.",
      "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-861eb4a0f766a76e",
      "field": "impact",
      "text": "completed citywide in May 2024",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-18b164dec02ef905"
      ],
      "supportNote": "The release, dated 22 May 2024, announces the hazard map as completed and publicly accessible for the whole city area; first parts had been online since October 2023.",
      "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-92bca238219ef756",
      "field": "impact",
      "text": "expresses its three simulated scenarios as steps of the same index (SRI 5, SRI 7 and SRI 12)",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-18b164dec02ef905",
       "src-6a02ea25118f1748"
      ],
      "supportNote": "The release states the hazard map considers three scenarios of different rain intensity oriented on the categories of the Starkregenindex; the operator's page names the scenarios as an intense (SRI 5), an exceptional (SRI 7) and an extreme heavy rain (SRI 12).",
      "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-c4a9e0540d7a9233",
      "field": "lesson",
      "text": "this sits on the public-warning rung of the sensor-to-action ladder, one step below a forecast",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-25934d169194f57d"
      ],
      "supportNote": "The federal profile describes a real-time display of rain already falling plus an archive back to 2014; no forecast function is described — the map warns about the present, it does not predict or act.",
      "caveat": "The 'ladder' is this atlas's own framing; the underlying fact is that the tool shows current rain only.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-aa7d9f6386ebbc36",
      "field": "lesson",
      "text": "HAMBURG WASSER steers wastewater into its 43 retention basins",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7e1165af00dd2ce8",
       "src-ae869ae50237fa60"
      ],
      "supportNote": "The operator states that during heavier rain events wastewater is deliberately steered into retention basins or the deeper sewer level, and separately that it operates 43 above- and below-ground basins.",
      "caveat": "The count covers the utility's own basins; Hamburg's districts run further rain retention basins of their own.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-23c45f2efb7fa067",
      "field": "lesson",
      "text": "nothing in that chain takes its cue from the public index",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-7e1165af00dd2ce8",
       "src-6a02ea25118f1748"
      ],
      "supportNote": "An absence reading restating the snippet's no-triggering fact from the operational side: the operator's own account of steering storm flows never mentions the public map or index, and every description of the map gives it an information role only.",
      "caveat": "An absence reading: no source connects the sewer operations to the public index; none states the negative outright.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-6a02ea25118f1748",
      "title": "HAMBURG WASSER — Starkregen in Hamburg",
      "url": "https://www.hamburgwasser.de/umwelt/vorsorge/starkregen",
      "publisher": {
       "name": null,
       "domain": "hamburgwasser.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
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       "clm-fb8000cac66b114d",
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      ],
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       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator page describing the heavy-rain map and severity index.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0e37f32b250b36da",
      "title": "Starkregenkarte (live application)",
      "url": "https://sri.hamburgwasser.de/",
      "publisher": {
       "name": null,
       "domain": "sri.hamburgwasser.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The public tool itself.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-25934d169194f57d",
      "title": "KLiVO — German federal climate service portal profile",
      "url": "https://www.klivoportal.de/SharedDocs/Steckbriefe/DE/starkregenkartehh/starkregenkartehh_steckbrief.html",
      "publisher": {
       "name": null,
       "domain": "klivoportal.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-69f4cb04cea0af80",
       "clm-699d211796a353f8",
       "clm-4823d52528bbe874",
       "clm-b1482ef78f898800",
       "clm-fb8000cac66b114d",
       "clm-c4a9e0540d7a9233"
      ],
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       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent federal confirmation: launch year 2019, DWD radar plus utility gauges, 5-minute update, 24,000 cells of 500x500m, 12-step index, no forecast function.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ddace49fc69f9b35",
      "title": "gwf Wasser|Abwasser — Live-Karte zeigt aktuelle Regenmengen für Hamburg",
      "url": "https://www.gwf-wasser.de/aktuell/23-08-2019-live-karte-zeigt-aktuelle-regenmengen-fuer-hamburg/",
      "publisher": {
       "name": null,
       "domain": "gwf-wasser.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-b1482ef78f898800"
      ],
      "temporal": {
       "publishedAt": "2019-08-23",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Trade-press report on the 2019 launch: five-minute recalculation from the utility's own gauges plus German Weather Service data, the twelve-step scale developed in 2015, an archive function, and the map's stated purpose — public awareness and a uniform classification of heavy rain.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-18b164dec02ef905",
      "title": "BUKEA — Starkregengefahrenkarte für ganz Hamburg verfügbar (press release)",
      "url": "https://www.hamburg.de/politik-und-verwaltung/behoerden/bukea/aktuelles/pressemeldungen/starkregengefahrenkarte-fuer-ganz-hamburg-verfuegbar-874140",
      "publisher": {
       "name": null,
       "domain": "hamburg.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-81aa34b07d8992ea",
       "clm-861eb4a0f766a76e",
       "clm-92bca238219ef756"
      ],
      "temporal": {
       "publishedAt": "2024-05-22",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The environment authority's release completing the heavy-rain hazard map for the whole city: modelled by HAMBURG WASSER on the authority's behalf, first parts online since October 2023, and its three simulated scenarios oriented on the categories of the Starkregenindex.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-7e1165af00dd2ce8",
      "title": "HAMBURG WASSER — So trotzt Hamburgs Abwassersystem dem Dauerregen (magazine)",
      "url": "https://www.hamburgwasser.de/magazin/dauerregen-im-dezember",
      "publisher": {
       "name": null,
       "domain": "hamburgwasser.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-aa7d9f6386ebbc36",
       "clm-23c45f2efb7fa067"
      ],
      "temporal": {
       "publishedAt": "2024-01-09",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator magazine piece on how the sewer system handled the December 2023 rains: during heavier rain events wastewater is deliberately steered into retention basins or the deeper sewer level — an operational act separate from the public rain map.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-ae869ae50237fa60",
      "title": "HAMBURG WASSER — Wie funktionieren Regenrückhalt- und Mischwasserbecken (magazine)",
      "url": "https://www.hamburgwasser.de/magazin/mischwasserbecken",
      "publisher": {
       "name": null,
       "domain": "hamburgwasser.de",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-aa7d9f6386ebbc36"
      ],
      "temporal": {
       "publishedAt": "2024-03-11",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-28",
       "dossierCreatedAt": "2026-08-28",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Operator magazine explainer on the retention-basin stock: HAMBURG WASSER operates 43 above- and below-ground basins; further rain retention basins are the districts' responsibility.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 11,
     "claimsMapped": 11,
     "sourcesTotal": 7,
     "sourcesUsedByClaims": 6,
     "sourcesWithPublicationDate": 4,
     "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."
    ]
   }
  }
 ]
}