{
 "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": "chicago-open-data-portal",
  "title": "Chicago's Open Data Executive Order and Portal",
  "canonicalUrl": "https://1001smartcities.org/projects/chicago-open-data-portal/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T00:00:00Z",
   "effectiveAt": "2026-07-26",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 1 claim and 8 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": "sha256:9600c516db41378caa295d3a77ecbba479cbe1bfbd0593cd0428b91ceec5bc03",
   "snapshot": {
    "asOf": "2026-07-26",
    "projectFingerprint": "sha256:936b7b61ef31e664bf3af5cebf0c51c0bed773333cb1e59d303bffd9f85ed40e",
    "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": "independent",
     "timeline": {
      "started": 2012,
      "ended": null
     }
    },
    "governance": {
     "operator": "City of Chicago, Chief Data Officer (Department of Innovation and Technology at the order's signing)",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-9dab366782ae6ee1",
      "field": "impact",
      "text": "The Office of Inspector General found on 23 March 2020 that the City does not comply with its own order — no Open Data Compliance Report since 2014, an Open Data Advisory Group that had not met since 2014 and then covered only 18 of 29 city agencies, and a Chief Data Officer post vacant for 18 months",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-dd29972adf5ca33d"
      ],
      "supportNote": "The OIG advisory of 23 March 2020 documents the compliance lapses against Executive Order 2012-2.",
      "caveat": "The portal itself remains live and current — 911 datasets, with Crimes - 2001 to Present refreshed on 26 July 2026.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-cb08e624d8eb7fbf",
      "title": "City of Chicago — Open Data Executive Order No. 2012-2",
      "url": "https://www.chicago.gov/city/en/narr/foia/open_data_executiveorder.html",
      "publisher": {
       "name": null,
       "domain": "chicago.gov",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The order itself, signed 10 December 2012 by Mayor Rahm Emanuel. Blocks automated fetching (403); text verified through the Sunlight Foundation's transcription below and cited consistently by the OIG advisory.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-f7ac83ad635e115a",
      "title": "Sunlight Foundation Open Data Policy Hub — Chicago, IL executive order (10 December 2012)",
      "url": "https://opendatapolicyhub.sunlightfoundation.com/collection/chicago-il-2012-12-10/",
      "publisher": {
       "name": null,
       "domain": "opendatapolicyhub.sunlightfoundation.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent transcription and analysis of the order. Sentence-level source for the duties: each agency shall make available online all appropriate data sets; the Mayor appoints a Chief Data Officer to coordinate implementation, compliance and expansion; each agency head designates an Open Data Coordinator; the CDO files compliance reports by July 15 each year. Also the source for the licence point — the order mandates Terms of Use developed by the technology department rather than granting an open licence.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-dd29972adf5ca33d",
      "title": "Chicago Office of Inspector General — Advisory Concerning the City of Chicago Data Portal (23 March 2020)",
      "url": "https://igchicago.org/publications/advisory-concerning-the-city-of-chicago-data-portal/",
      "publisher": {
       "name": null,
       "domain": "igchicago.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-9dab366782ae6ee1"
      ],
      "temporal": {
       "publishedAt": "2020-03-23",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The independent audit and the entry's spine: 'An OIG inquiry has determined that the City does not comply with the requirements of Executive Order No. 2012-2.' The Mayor's Office agreed and committed to steps toward revitalising the Open Data Program.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": "https://web.archive.org/web/20231017201140/https://igchicago.org/publications/advisory-concerning-the-city-of-chicago-data-portal/",
       "archivedAt": "2023-10-17",
       "contentHash": null,
       "status": "archive-linked"
      }
     },
     {
      "id": "src-c3b96230a05ec04c",
      "title": "Chicago OIG — the advisory's findings on accuracy, consistency and usability",
      "url": "https://igchicago.org/2020/03/23/oigs-advisory-concerning-the-city-of-chicagos-data-portal-found-problems-with-accuracy-consistency-and-overall-usability/",
      "publisher": {
       "name": null,
       "domain": "igchicago.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2020-03-23",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Sentence-level source for every figure in the impact field: 'The City also had not published an Open Data Compliance Report since 2014'; 'the Chief Data Officer position remained vacant for 18 months'; 'The City's Open Data Advisory Group had not met since 2014 and, at that time, only included representatives from 18 of 29 City agencies.'",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-46fa29bf179caad5",
      "title": "Chicago Data Portal — dataset metadata API, Crimes 2001 to Present",
      "url": "https://data.cityofchicago.org/api/views/ijzp-q8t2.json",
      "publisher": {
       "name": null,
       "domain": "data.cityofchicago.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Primary currency check, read 26 July 2026: dataUpdatedAt 2026-07-26T11:15:11+0000. Also the licence evidence, at field level: licenseId 'SEE_TERMS_OF_USE', licenseName 'See Terms of Use'. There is no open licence deed on the portal's assets.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-78c9a16b87836065",
      "title": "Socrata Discovery API — Chicago portal catalogue",
      "url": "https://api.us.socrata.com/api/catalog/v1?domains=data.cityofchicago.org&only=dataset",
      "publisher": {
       "name": null,
       "domain": "api.us.socrata.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Scale figure, read 26 July 2026: 911 datasets. The unfiltered catalogue returns 2,009 assets, but that count includes charts, maps, files and filtered views derived from the datasets; only the dataset count is used in the entry.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-379240d4489a17df",
      "title": "City of Chicago — Data Terms of Use",
      "url": "https://www.chicago.gov/city/en/narr/foia/data_disclaimer.html",
      "publisher": {
       "name": null,
       "domain": "chicago.gov",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "What the order's mandated Terms of Use actually impose. Warranties disclaimed on an 'as is' basis, and an affirmative notice condition on reusers: applications using the data must carry the disclaimer 'This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago.' Blocks automated fetching (403); text verified through indexed search.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-c69d9fa6b03f0fc3",
      "title": "Data-Smart City Solutions — Chicago launches OpenGrid (20 January 2016)",
      "url": "https://datasmart.hks.harvard.edu/news/article/chicago-launches-opengrid-to-democratize-open-data-778",
      "publisher": {
       "name": null,
       "domain": "datasmart.hks.harvard.edu",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2016-01-20",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-07-26",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Kept as context, deliberately not merged into this entry. OpenGrid, the public map built by DoIT from the internal WindyGrid, launched 19 January 2016 under Apache 2.0 and still loads at opengrid.chicago.gov/opengrid/. Its landing page copyright is frozen at 2015 and the repository's newest commit is a documentation edit of 15 April 2024. No municipality outside Chicago was found to have adopted it.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 8,
     "sourcesUsedByClaims": 1,
     "sourcesWithPublicationDate": 3,
     "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."
    ]
   }
  }
 ]
}