{ "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": "buenos-aires-recuperadores-urbanos", "title": "Buenos Aires's Registered Recuperadores Urbanos & Green Centres", "canonicalUrl": "https://1001smartcities.org/projects/buenos-aires-recuperadores-urbanos/" }, "currentRevisionId": "2026-08-20-source-dates", "revisions": [ { "id": "2026-08-20-source-dates", "createdAt": "2026-08-20T19:03:10Z", "effectiveAt": "2026-07-26", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 1 claim and 9 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": "sha256:654d6dc1d672f06a52ce890da96fd59e1bffd5827637bc105a4dfc2f0956c9ce", "snapshot": { "asOf": "2026-07-26", "projectFingerprint": "sha256:fda147a202012eba9533496189330079f0fa969bb7003d77490761b408ce86fd", "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": "peer-reviewed", "timeline": { "started": 2002, "ended": null } }, "governance": { "operator": "Dirección General de Reciclado, Ministerio de Espacio Público e Higiene Urbana (GCBA), with 12 recuperador cooperatives", "actorTypes": [ "city-government", "civil-society" ], "fundingModel": "public", "fundingDescription": "City of Buenos Aires budget (GCBA), paid to cooperatives as a per-recuperador monthly incentive", "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-da60331230fa0e5e", "field": "impact", "text": "The green centres took in 87,175 tonnes and employed 809 workers in 2018, with 12 cooperatives grouping more than 5,500 recuperadores urbanos paid a monthly incentive of around US$200", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-d64c801eda6f7b29" ], "supportNote": null, "caveat": "The entry's lesson notes the city publishes tonnage only by plant type, so nobody outside city hall can say which cooperative recovered what.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-0bb58abfd3578ae5", "title": "Ley 992 (2002) — Boletín Oficial CABA", "url": "https://boletinoficial.buenosaires.gob.ar/normativaba/norma/31157", "publisher": { "name": null, "domain": "boletinoficial.buenosaires.gob.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2003-01-29", "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": "Fetched 2026-07-26. Sanctioned 12 Dec 2002, published 29 Jan 2003. Art. 4: 'Créase el Registro Único Obligatorio Permanente de Recuperadores de Materiales Reciclables'; Art. 5 creates the cooperatives register; Art. 2 orders waste pickers incorporated into differentiated collection within the urban hygiene service; credentials, work clothing and gloves provided. Supports the 2002 start year and the registry framing.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-3ecb6568f0f30f1a", "title": "Ley 1854 'Basura Cero' (2005) — Boletín Oficial CABA", "url": "https://boletinoficial.buenosaires.gob.ar/normativaba/norma/81508", "publisher": { "name": null, "domain": "boletinoficial.buenosaires.gob.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2006-01-12", "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": "Fetched 2026-07-26. Original Art. 6 sets reduction targets of '30% for 2010, 50% for 2012 and 75% for 2017, taking as base the levels sent to CEAMSE during 2004', and the page records that Ley 5966 (2018) modified Art. 6. Primary source for the original targets and for the fact of the amendment.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-4e2da76a375c8102", "title": "Greenpeace Argentina — 'Ley de Basura Cero: más de 14 años de metas incumplidas'", "url": "https://www.greenpeace.org/argentina/participa/involucrate/con-incineracion-no-hay-basura-cero/ley-de-basura-cero-mas-de-14-anos-de-metas-incumplidas/", "publisher": { "name": null, "domain": "greenpeace.org", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2005-11-24", "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": "Fetched 2026-07-26. NGO campaign source, used only for the amended schedule and the baseline shift: Ley 5966 sets 50%/2021, 65%/2025, 80%/2030 and takes 'como base a 2012, año en el que se enterraron 2.131.072 … toneladas … en vez de 2017, cuando la cantidad fue aproximadamente la mitad'; also 'en 2017 se llegó a un 26% de reducción'. The consolidated text of Ley 5966 on argentinambiental.com returned HTTP 503 and cedom.gob.ar failed DNS resolution, so the amended article was not read in the original.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-d64c801eda6f7b29", "title": "Schamber & Tagliafico, 'El Sistema de Recolección Diferenciada…', Laboreal 17(2) (2021)", "url": "https://journals.openedition.org/laboreal/18660?lang=es", "publisher": { "name": null, "domain": "journals.openedition.org", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-da60331230fa0e5e" ], "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": "Peer-reviewed. Carries the impact sentence by sentence: 'el conjunto de los Centros Verdes donde, en 2018, se ocupan 809 trabajadores recibe 87.175 toneladas/año'; '12 organizaciones cooperativas que nuclean a más de 5.500 recuperadores urbanos'; 'un estipendio mensual (que se denomina «incentivo» y oscila en torno a los 200 dólares americanos)'; on child labour, cooperatives 'se comprometen a no trabajar con menores de edad, para lo cual el GCABA ofrece la instalación de guarderías'.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-66105121a45e1cf0", "title": "Buenos Aires Data — 'Infraestructura de gestión de residuos' (open geodata)", "url": "https://data.buenosaires.gob.ar/dataset/infraestructura-gestion-residuos", "publisher": { "name": null, "domain": "data.buenosaires.gob.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2026-01-20", "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": "CC-BY, last modified 22 Jun 2026. The resource CSVs were fetched directly: Zona_Cooperativas_RSUsecos_clean.csv names all 12 cooperatives and their assigned zones ('asignado a 12 Cooperativas de Recuperadores Urbanos'); Centros_clasificacion_RSU_clean.csv lists 14 green centres with an 'administra' column naming the operating cooperative. This is the data layer the entry rests on. The older human-facing page /dataset/centros-clasificacion-residuos returns HTTP 404.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-f7d5ca2ddd1d9862", "title": "Buenos Aires Data — 'Recuperación de residuos' (monthly tonnage)", "url": "https://data.buenosaires.gob.ar/dataset/recuperacion-residuos", "publisher": { "name": null, "domain": "data.buenosaires.gob.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2026-01-20", "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": "CC-BY. Monthly recovered tonnage by plant type — green centres, composting centres, Centro de Reciclaje and the TMB plant at CEAMSE Norte III — and by material. Checked specifically for a per-cooperative or per-centre breakdown of green-centre tonnage: there is none. Supports the lesson field.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-30fd4eeb04e05786", "title": "Infobae — city ends funded transport for cartoneros (23 Jul 2025)", "url": "https://www.infobae.com/politica/2025/07/23/el-gobierno-porteno-dejara-de-proveer-transporte-a-cartoneros-que-viajan-desde-el-conurbano-a-la-ciudad-de-buenos-aires/", "publisher": { "name": null, "domain": "infobae.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2025-07-23", "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": "Fetched 2026-07-26. About 3,100 recuperadores in cooperatives used the subsidised transport; more than 6,000 recuperadores work across 12 cooperatives; the service cost 'alrededor de 6.000 millones de pesos anuales'; mayor Jorge Macri calls it a 'privilegio'. Source for the 2025 cut in the snippet.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-4391d9c606c0c14d", "title": "La Nación — the city's plan for recyclable waste (19 Jun 2025)", "url": "https://www.lanacion.com.ar/sociedad/cual-sera-la-estrategia-de-la-ciudad-de-buenos-aires-con-la-basura-reciclable-nid19062025/", "publisher": { "name": null, "domain": "lanacion.com.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2025-06-19", "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": "Fetched 2026-07-26. Puntos Verdes fall from 80 (2021) to 41 (2023) to 22 (2025) on 'criterios de eficiencia administrativa'; containers rise 4,079 to 4,589; city says 2024 recycled 6% more than 2023; a city legislator notes battery and organic collection at Puntos Verdes tripled 2021-23. The city's headline '60% recovered / 3,450 t per day' was deliberately not used — it mixes rubble, forestry and organics with dry recyclables and is not comparable to the Basura Cero burial baseline.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-f53eb7873446a200", "title": "La Nación — what CEAMSE is and what it receives (5 Jan 2025)", "url": "https://www.lanacion.com.ar/politica/la-ceamse-la-sociedad-de-la-provincia-y-la-ciudad-de-buenos-aires-que-gestiona-unos-23000-toneladas-nid05012025/", "publisher": { "name": null, "domain": "lanacion.com.ar", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2025-01-05", "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": "Fetched 2026-07-26. CEAMSE was created in January 1977 jointly by the city and the province of Buenos Aires and handles about 23,000 t/day, of which 6,000-7,000 t/day come from the city. Cited only to fix the destination and the jurisdictional boundary; CEAMSE's landfills are outside the city and are not part of this entry.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 1, "claimsMapped": 1, "sourcesTotal": 9, "sourcesUsedByClaims": 1, "sourcesWithPublicationDate": 8, "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." ] } } ] }