{
 "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": "barcelona-smart-irrigation-parks",
  "title": "Telemanaged Smart Irrigation of Parks & Green Spaces",
  "canonicalUrl": "https://1001smartcities.org/projects/barcelona-smart-irrigation-parks/"
 },
 "currentRevisionId": "2026-08-27-claims-and-sources",
 "revisions": [
  {
   "id": "2026-08-27-claims-and-sources",
   "createdAt": "2026-08-27T02:33:50Z",
   "effectiveAt": "2026-08-27",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 7 claims 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": "sha256:4507dec69e6ddfbc2895aa742064acd42a3a355facadbe1d6266eacfc30b9a18",
   "snapshot": {
    "asOf": "2026-08-27",
    "projectFingerprint": "sha256:ad69bec54d9fd17a50057ec7bd18bdc24acec533b827639e09f45f07eaea6507",
    "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": 2014,
      "ended": null
     }
    },
    "governance": {
     "operator": "Ajuntament de Barcelona",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": "≈€298,000 (2014: platform design, sensors, communications and installation at the first three parks)",
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-3204019730825799",
      "field": "snippet",
      "text": "sensors for soil moisture, salinity, temperature, wind and weather, plus the municipal rain-gauge network, let operators work the electrovalves from a distance, match watering to each plant type and stop the system when it rains",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3a8946406b4c1d91",
       "src-249c9d39cf055a62"
      ],
      "supportNote": "The 2014 release describes remote operation of the electrovalves from sensor data measuring “variables meteorològiques, d’humitat, salinitat, temperatura, vent i estat del sòl”, a connection to the municipal rain-gauge network, watering matched to plant type, and automatic alarms that stop the system when it rains or adjust it in wind.",
      "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-4f05f0910589e671",
      "field": "snippet",
      "text": "It opened at three green spaces — Parc del Centre del Poblenou, Parc de la Ciutadella and Parc Central de Nou Barris — covering 13 of the 293 hectares the council considered telemanageable, with a stated first-phase goal of 79 hectares",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3a8946406b4c1d91"
      ],
      "supportNote": "“El sistema, que ja s’ha implantat al Parc del Centre del Poblenou i estarà en marxa a l’abril al Parc de la Ciutadella i al Parc Central de Nou Barris” and “es gestionarà de manera controlada 13 hectàrees de verd de les 293 susceptibles de telegestionar … fins a arribar en una primera fase a 79 hectàrees”.",
      "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-5591a1675f3e4a74",
      "field": "snippet",
      "text": "At launch the council projected a roughly 25% cut in irrigation water use, about €425,000 a year off a ≈€1.7M annual bill",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3a8946406b4c1d91",
       "src-dccc0d3621b0d39f",
       "src-249c9d39cf055a62"
      ],
      "supportNote": "“La telegestió del reg permet reduir al voltant d’un 25% el volum d’aigua consumit” and “un estalvi anual de prop de 425.000 euros en la factura anual municipal … que se situa al voltant dels 1’7 milions d’euros a l’any”. Ara and betevé carry the same two figures the same day.",
      "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-b730e734334af483",
      "field": "snippet",
      "text": "More than 2,000 sensors covering water, air quality, rainfall and the irrigation network feed the city's open-source Sentilo platform",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-02dae1e9761be810"
      ],
      "supportNote": "“A través de la plataforma Sentilo es monitoritzen més de 2.000 sensors relacionats amb l’aigua, la qualitat ambiental, la pluviositat i la xarxa de reg.”",
      "caveat": "The 2,000 sensors span four domains; the article does not say how many of them are irrigation sensors.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-86030c0bdccb3e3b",
      "field": "impact",
      "text": "A 2025 city publication reports irrigation water savings of around 30%, a figure it attributes to Barcelona's own smart city strategy",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-02dae1e9761be810"
      ],
      "supportNote": "“La telegestió del reg permet reduir al voltant d’un 30% el volum d’aigua consumit”, followed immediately by “Els sistemes de reg intel·ligent han permès reduir el consum d’aigua en zones verdes en un 30% — Barcelona Smart City Strategy”, which names the city's own strategy document as the source.",
      "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-efa6afa2f4f6fccb",
      "field": "impact",
      "text": "The council's projection at launch was a roughly 25% cut, about €425,000 a year off a ≈€1.7M annual bill",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3a8946406b4c1d91",
       "src-249c9d39cf055a62"
      ],
      "supportNote": "The 2014 release states the projected reduction and saving; betevé quotes the deputy mayor for Urban Habitat, Antoni Vives, making the same claim on camera.",
      "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-4845c4ae6daa8742",
      "field": "lesson",
      "text": "The 25% was a projection the deputy mayor for Urban Habitat announced on the day the system was switched on at three parks",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-249c9d39cf055a62"
      ],
      "supportNote": "betevé quotes Antoni Vives, deputy mayor for Urban Habitat, at the launch: “Gràcies a això nosaltres serem capaços d’estalviar un 25% de la factura de l’aigua de la ciutat. Un 25% és molt! És un salt quàntic!”",
      "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-3a8946406b4c1d91",
      "title": "Ajuntament de Barcelona, press release 'Barcelona es dota d'un sistema intel·ligent de telegestió del reg', 26 March 2014",
      "url": "https://ajuntament.barcelona.cat/premsa/2014/03/26/barcelona-es-dota-dun-sistema-intel%C2%B7ligent-de-telegestio-del-reg/",
      "publisher": {
       "name": null,
       "domain": "ajuntament.barcelona.cat",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-3204019730825799",
       "clm-4f05f0910589e671",
       "clm-5591a1675f3e4a74",
       "clm-efa6afa2f4f6fccb"
      ],
      "temporal": {
       "publishedAt": "2014-03-26",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-29",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Official launch. Three green spaces (Parc del Centre del Poblenou already running, Parc de la Ciutadella and Parc Central de Nou Barris from April), 13 of 293 telemanageable hectares, a stated first-phase goal of 79 hectares, sensors for weather, humidity, salinity, temperature, wind and soil state, a connection to the municipal rain-gauge network, a projected ~25% cut and ~€425,000 a year off a ~€1.7M bill, and an investment of €298,000. The release does not mention Sentilo.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-dccc0d3621b0d39f",
      "title": "Ara.cat, 'Barcelona instal·la un sistema intel·ligent de reg...' 2014",
      "url": "https://www.ara.cat/societat/barcelona-installa-sistema-intelligent-jardins_1_2127942.html",
      "publisher": {
       "name": null,
       "domain": "ara.cat",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-5591a1675f3e4a74"
      ],
      "temporal": {
       "publishedAt": "2014-03-26",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-29",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Independent same-day corroboration of the 25% projection and the ~€425,000 saving against a €1.7M annual bill.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-02dae1e9761be810",
      "title": "Barcelona Coneixement, 'Aigua intel·ligent: estratègies contra les sequeres', Aug 2025",
      "url": "https://www.barcelonaconeixement.cat/2025/08/aigua-intelligent.html",
      "publisher": {
       "name": null,
       "domain": "barcelonaconeixement.cat",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-b730e734334af483",
       "clm-86030c0bdccb3e3b"
      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-29",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Current status, and the source of the ~30% figure — which the article itself attributes to the 'Barcelona Smart City Strategy', not to an independent measurement. It does not give a count of telemanaged green spaces and does not name individual parks. Also the source for the Sentilo connection: more than 2,000 sensors covering water, environmental quality, rainfall and the irrigation network.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-249c9d39cf055a62",
      "title": "betevé, 'L'Ajuntament implanta un sistema de gestió a distància del reg als parcs...'",
      "url": "https://beteve.cat/societat/gestio-reg-parcs-estalvi-aigua-smart-city/",
      "publisher": {
       "name": null,
       "domain": "beteve.cat",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-3204019730825799",
       "clm-5591a1675f3e4a74",
       "clm-efa6afa2f4f6fccb",
       "clm-4845c4ae6daa8742"
      ],
      "temporal": {
       "publishedAt": "2014-03-26",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-29",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Barcelona's city broadcaster on launch day. Carries the deputy mayor for Urban Habitat, Antoni Vives, on the projection in his own words — 'serem capaços d'estalviar un 25% de la factura de l'aigua de la ciutat' — and the €298,000 investment figure.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     }
    ],
    "coverage": {
     "claimsTotal": 7,
     "claimsMapped": 7,
     "sourcesTotal": 4,
     "sourcesUsedByClaims": 4,
     "sourcesWithPublicationDate": 3,
     "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."
    ]
   }
  }
 ]
}