{
 "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": "melbourne-urban-forest",
  "title": "Urban Forest Visual & Email-a-Tree",
  "canonicalUrl": "https://1001smartcities.org/projects/melbourne-urban-forest/"
 },
 "currentRevisionId": "2026-08-20-source-dates",
 "revisions": [
  {
   "id": "2026-08-20-source-dates",
   "createdAt": "2026-08-20T19:29:52Z",
   "effectiveAt": "2026-08-02",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 1 claim and 4 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": "sha256:83c337616104c066937bbf10b7907e9bc33b9f1bddb5bd6d69e3934a7393417d",
   "snapshot": {
    "asOf": "2026-08-02",
    "projectFingerprint": "sha256:f4b79833da2de2d24f8c57dd860d147a5199f9607e046a8165711095d4eb835a",
    "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": "independent",
     "timeline": {
      "started": 2013,
      "ended": null
     }
    },
    "governance": {
     "operator": "City of Melbourne",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-459e2bc9f12ed03d",
      "field": "impact",
      "text": "The 2012–13 tree census recorded all of the City of Melbourne's roughly 70,000 street trees — species, size, condition and an estimate of each tree's useful life — and published them as the public Urban Forest Visual map",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-da7e41389d43df82"
      ],
      "supportNote": "The impact states the census figure is corroborated by AIPH's green-city case study.",
      "caveat": "The entry's lesson notes the project's fame rests on the email-a-tree turn, which is well documented but is engagement, not a proven climate outcome.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-fac440eaae2944fe",
      "title": "City of Melbourne — Urban Forest Strategy (authority)",
      "url": "https://www.melbourne.vic.gov.au/urban-forest-strategy",
      "publisher": {
       "name": null,
       "domain": "melbourne.vic.gov.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official City of Melbourne page for the urban forest programme behind the map and email-a-tree feature.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-949a98ba835b2921",
      "title": "Urban Forest Visual (project tool)",
      "url": "http://melbourneurbanforestvisual.com.au/",
      "publisher": {
       "name": null,
       "domain": "melbourneurbanforestvisual.com.au",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2025-05-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The interactive map itself: every tree with ID, species and life expectancy; contact-a-tree function.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-9d0bb0cca2a5e187",
      "title": "Biophilic Cities (research)",
      "url": "https://www.biophiliccities.org/melbourne-email-a-tree",
      "publisher": {
       "name": null,
       "domain": "biophiliccities.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "background",
      "claimRefs": [],
      "temporal": {
       "publishedAt": "2018-12-12",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Case study of the email-a-tree / Treemail phenomenon.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-da7e41389d43df82",
      "title": "AIPH — Melbourne urban forestry (independent case study)",
      "url": "https://aiph.org/green-city-case-studies/melbourne-australia-urban-forestry/",
      "publisher": {
       "name": null,
       "domain": "aiph.org",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-459e2bc9f12ed03d"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-02",
       "dossierCreatedAt": "2026-08-20",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent green-city body confirming the 70,000-tree survey and the 22%→40%-by-2040 canopy target.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": "https://web.archive.org/web/20260117142105/https://aiph.org/green-city-case-studies/melbourne-australia-urban-forestry/",
       "archivedAt": "2026-01-17",
       "contentHash": null,
       "status": "archive-linked"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 1,
     "claimsMapped": 1,
     "sourcesTotal": 4,
     "sourcesUsedByClaims": 1,
     "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."
    ]
   }
  }
 ]
}