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       "src-f47bc21acd557a1c",
       "src-5b1e1245e9577b05"
      ],
      "supportNote": "The city page describes both model types and their open-data formats; the technology partner dates the completed reality mesh and CityGML model to November 2016; the trade report of February 2017 describes both as already live and free.",
      "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-0f0378ba7cef6a15",
      "field": "snippet",
      "text": "Every building is a semantic CityGML object carrying its own database identifiers, so other data streams can be joined to it, and the CityGML files are downloadable in map sheets of four square kilometres",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3ad6b571e8bee43c"
      ],
      "supportNote": "The city page states that all buildings are semantic CityGML objects, that each has its own identifiers allowing the combination of data streams, and that the CityGML files are divided into map sheets of four square kilometres.",
      "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-81097e0b957da8f1",
      "field": "impact",
      "text": "The Energy and Climate Atlas, built on the model, shows an indicative energy-consumption estimate for nearly every building in Helsinki and calculates how much solar radiation each roof and wall surface in the city receives, annually and monthly — nearly a million surfaces in all",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3ad6b571e8bee43c"
      ],
      "supportNote": "The city page describes the atlas as a free browser service based on the 3D city models, gives the indicative consumption estimate for nearly every building, and states that solar calculations cover all roof and wall surfaces in Helsinki, nearly a million of them, annually and monthly.",
      "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-8852a428f78694b5",
      "field": "impact",
      "text": "Aalto University researchers cite it as their example of a city model turned into a service a resident can use, letting anyone check the solar potential of their own home",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-9fcc068e07847764"
      ],
      "supportNote": "The university's account quotes a researcher giving the Energy and Climate Atlas as the example of citizens benefiting from services built on city models, by checking the solar power production potential of their home.",
      "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-d1ca04d3339f6d0c",
      "field": "lesson",
      "text": "Making every building a semantic object with its own database keys is what let the city hang energy, heating and solar data on it afterwards",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3ad6b571e8bee43c"
      ],
      "supportNote": "The city page ties the per-building identifiers directly to the ability to combine data streams, and describes the atlas built on that base.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-3ad6b571e8bee43c",
      "title": "City of Helsinki (authority)",
      "url": "https://www.hel.fi/en/decision-making/information-on-helsinki/maps-and-geospatial-data/helsinki-3d",
      "publisher": {
       "name": null,
       "domain": "hel.fi",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-3695404c914a5a06",
       "clm-0f0378ba7cef6a15",
       "clm-81097e0b957da8f1",
       "clm-d1ca04d3339f6d0c"
      ],
      "temporal": {
       "publishedAt": "2018-04-15",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-24",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official page: two model types, open-data formats (OBJ/CityGML/3MX), kartta.hel.fi/3d download portal, continuous updates.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": "https://web.archive.org/web/20260729071730/https://www.hel.fi/en/decision-making/information-on-helsinki/maps-and-geospatial-data/helsinki-3d",
       "archivedAt": "2026-07-29",
       "contentHash": null,
       "status": "archive-linked"
      }
     },
     {
      "id": "src-f47bc21acd557a1c",
      "title": "Bentley Systems (technology partner)",
      "url": "https://www.bentley.com/company/esg-user-project-city-of-helsinki/",
      "publisher": {
       "name": null,
       "domain": "bentley.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-3695404c914a5a06"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-24",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Vendor case study: reality-mesh + CityGML model completed November 2016, €1M investment, ContextCapture/OpenCities Map tech stack. The publisher declares June 2022; the day it stamps is the first of the month, which this atlas does not treat as a publication day, so the date is recorded to the month.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-5b1e1245e9577b05",
      "title": "AEC Business (independent trade press)",
      "url": "https://aec-business.com/helsinki-is-building-a-digital-twin-of-the-city/",
      "publisher": {
       "name": null,
       "domain": "aec-business.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-3695404c914a5a06"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-24",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent account, dated Feb 2017, of the already-live models and free open-data commitment. No publication date is recorded: the page did not answer when this entry was checked.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-9fcc068e07847764",
      "title": "Aalto University (independent)",
      "url": "https://www.aalto.fi/en/news/3d-city-models-can-serve-hundreds-of-purposes",
      "publisher": {
       "name": null,
       "domain": "aalto.fi",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-8852a428f78694b5"
      ],
      "temporal": {
       "publishedAt": "2021-04-07",
       "updatedAt": "2021-07-01",
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-24",
       "dossierCreatedAt": "2026-08-27",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Confirms the Energy and Climate Atlas solar-potential use (80,000 buildings) and a service-visualisation tool applied to Kalasatama.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 5,
     "claimsMapped": 5,
     "sourcesTotal": 4,
     "sourcesUsedByClaims": 4,
     "sourcesWithPublicationDate": 2,
     "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."
    ]
   }
  }
 ]
}