{
 "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": "la-geohub",
  "title": "GeoHub Open Geospatial Data Platform",
  "canonicalUrl": "https://1001smartcities.org/projects/la-geohub/"
 },
 "currentRevisionId": "2026-08-22-evidence-baseline",
 "revisions": [
  {
   "id": "2026-08-22-evidence-baseline",
   "createdAt": "2026-08-22T09:08:00Z",
   "effectiveAt": "2026-07-17",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 6 claims and 3 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": "sha256:56cc70e8b0c5c6387f48a04038aac7fe88c9c8987c9791033a5a41ae0d4009e7",
   "snapshot": {
    "asOf": "2026-07-17",
    "projectFingerprint": "sha256:def935ff077af0e3defc5e9702702b753959d3a7532b0051c4b1c1393db78f1f",
    "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": "succeeded",
     "evidenceGrade": "official",
     "timeline": {
      "started": 2016,
      "ended": null
     }
    },
    "governance": {
     "operator": "City of Los Angeles (GeoHub / ITA)",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-bb04c9e021bdf4c0",
      "field": "snippet",
      "text": "Launched in January 2016 by Mayor Eric Garcetti with Esri",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b2bda2ee6515a326",
       "src-b36f00ca50664738"
      ],
      "supportNote": "Esri's ArcNews report states: \"Los Angeles mayor Eric Garcetti launched GeoHub at the city's La Kretz Innovation Campus on January 29.\" The same article describes the platform as a joint undertaking: \"The City of Los Angeles and Esri have partnered on a project that will spur even more innovation in government, business, and other organizations: GeoHub.\" GovTech, writing in August 2016, places the launch in that year: \"Earlier this year, the city of Los Angeles launched GeoHub\".",
      "caveat": "Neither source prints the full date. The ArcNews article gives only the day and month; the year comes from its Spring 2016 issue label and from GovTech's \"earlier this year\", written in August 2016.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-bbbeaea33982b452",
      "field": "snippet",
      "text": "the City of Los Angeles's public portal for location-based open data",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b2bda2ee6515a326",
       "src-b36f00ca50664738"
      ],
      "supportNote": "ArcNews describes exactly this function: \"GeoHub gives city staff, businesses, app developers, nonprofit organizations, and the public access to the city's location-based data through an online portal.\" GovTech adds that it \"connects citywide location-based data to plan for and support city operations\" and calls it \"an ambitious map-based portal\".",
      "caveat": "Both sources use the words \"open data\", but neither states a licence or terms of use for the material. \"Open\" here describes the access route, not a documented licence.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-7072b6777c13837b",
      "field": "snippet",
      "text": "more than 500",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b36f00ca50664738"
      ],
      "supportNote": "GovTech reports: \"The platform increases efficiency in city services by providing real-time access to over 500 datasets shared across 20 city departments.\" This is the only count of GeoHub's holdings in any of the listed sources.",
      "caveat": "The figure counts datasets rather than map layers, and it was published in August 2016, a few months after the launch. No listed source gives a current count, so the number is presented in the present tense on the strength of a decade-old article.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-6173b186909ce431",
      "field": "snippet",
      "text": "continuously updated map layers",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b2bda2ee6515a326"
      ],
      "supportNote": "ArcNews describes the feed this way: \"GeoHub combines the city's geographic data into a location-as-a-service (LaaS) platform, allowing users to access live, continuously updated data directly from the city as a service.\"",
      "caveat": "This is the platform vendor describing its own product at launch, not a measurement of how often individual layers are refreshed.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-073a918d3f1c520c",
      "field": "snippet",
      "text": "as downloadable files or live 'location-as-a-service' APIs",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b2bda2ee6515a326"
      ],
      "supportNote": "ArcNews names both routes. On downloads: \"People can download datasets as shapefiles, KML files, or into spreadsheets.\" On programmatic access: \"Developers can access the city's data, along with open APIs, to build apps.\" The article calls the platform a \"location-as-a-service (LaaS) platform\", which is where the entry's phrase comes from.",
      "caveat": "The vendor's own magazine is the only source for both the download formats and the API access; no listed source shows either route in use.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-4e923b241f1a4c54",
      "field": "snippet",
      "text": "the trade press described it as a blueprint for other cities to follow",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-b36f00ca50664738"
      ],
      "supportNote": "GovTech closes with: \"The GeoHub serves as a blueprint for other cities looking to improve data access across departments and tell a story with data, in addition to making it accessible by the public.\" The same article states that under Mayor Garcetti and Chief Data Officer Lilian Coral, \"L.A. has become a world leader in open data innovation\".",
      "caveat": "The article appeared six months after the launch and offers the blueprint as a prospect. It does not compare Los Angeles with other US cities and names no city that followed the model.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-0e2a2feafec1ae33",
      "title": "City of Los Angeles GeoHub (authority)",
      "url": "https://geohub.lacity.org/",
      "publisher": {
       "name": null,
       "domain": "geohub.lacity.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-17",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Live official portal; datasets page lists current 2024–25 city layers.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-b2bda2ee6515a326",
      "title": "Esri ArcNews — Los Angeles Launched GeoHub (operator/press)",
      "url": "https://www.esri.com/about/newsroom/arcnews/los-angeles-launched-geohub",
      "publisher": {
       "name": null,
       "domain": "esri.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-bb04c9e021bdf4c0",
       "clm-bbbeaea33982b452",
       "clm-6173b186909ce431",
       "clm-073a918d3f1c520c"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-17",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Launch date (29 Jan 2016), La Kretz Innovation Campus, 500+ layers, ArcGIS location-as-a-service.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-b36f00ca50664738",
      "title": "GovTech — LA Leads Open Data Innovation with the GeoHub (press)",
      "url": "https://www.govtech.com/data/Los-Angeles-Leads-Open-Data-Innovation-with-the-GeoHub.html",
      "publisher": {
       "name": null,
       "domain": "govtech.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-bb04c9e021bdf4c0",
       "clm-bbbeaea33982b452",
       "clm-7072b6777c13837b",
       "clm-4e923b241f1a4c54"
      ],
      "temporal": {
       "publishedAt": "2016-08-09",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-17",
       "dossierCreatedAt": "2026-08-22",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent coverage of GeoHub as an open-data model for other cities.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 6,
     "claimsMapped": 6,
     "sourcesTotal": 3,
     "sourcesUsedByClaims": 2,
     "sourcesWithPublicationDate": 1,
     "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."
    ]
   }
  }
 ]
}