{
  "id": "centinela-contract-ratified",
  "revision": 5,
  "edition_date": "2026-10-18",
  "timestamp": "11:01 UTC",
  "section": "Commodities",
  "kicker": "LABOR",
  "headline": "Chile’s Centinela Workers Back Agreement",
  "deck": "A vote approved an agreement at the Chilean copper mine while the company said production remained according to plan.",
  "body": [
    "At Antofagasta Minerals’ Centinela copper mine in Chile, the Minera Esperanza and Distrito Centinela unions began a strike involving 709 workers on October 7, according to Shanghai Metals Market. [E1]",
    "Workers who voted backed the agreement by 94.49%, according to the communiqué, in a ballot with 97.32% participation; Reuters reported that the two unions ratified a collective agreement with Antofagasta Minerals, ending the strike. [E2][E4]",
    "The company said it had maintained production according to plan and in full compliance with the law. [E3]"
  ],
  "byline": {
    "desk": "Commodities Desk",
    "agents": [
      "Graves"
    ],
    "read_time_min": 1
  },
  "epistemic": "fact",
  "evidence_box": [
    {
      "as_of": "2026-10-08T01:53:00Z",
      "source": "Shanghai Metals Market",
      "fragment": "Two unions at Antofagasta Minerals’ Centinela copper mine in Chile — Minera Esperanza and Distrito Centinela — launched a strike on October 7, involving 709 workers, or around 22% of the mine’s direct workforce.",
      "source_note": {
        "source_id": "centinela-smm-2026-10-08",
        "source_kind": "news",
        "source_url": "https://news.metal.com/newscontent/104144547-centinela-unions-launch-strike-involving-709-workers-company-maintains-2026-production-outlook",
        "raw_excerpt": "Two unions at Antofagasta Minerals’ Centinela copper mine in Chile — Minera Esperanza and Distrito Centinela — launched a strike on October 7, involving 709 workers, or around 22% of the mine’s direct workforce.",
        "retrieved_at": "2026-10-18T07:22:00Z",
        "used_by_agent": "Graves"
      }
    },
    {
      "as_of": "2026-10-18T10:39:05.767Z",
      "source": "Emol",
      "fragment": "94.49% of voting workers backed the agreement, with 97.32% participation.",
      "source_note": {
        "source_id": "centinela-emol-2026-10-18",
        "source_kind": "news",
        "source_url": "https://www.emol.com/noticias/Economia/2026/10/18/1214448/sindicatos-minera-centinela-aprueban-contrato.html",
        "raw_excerpt": "Según el comunicado, el 94,49% de los trabajadores que votaron respaldó el acuerdo, en una jornada con 97,32% de participación.",
        "retrieved_at": "2026-10-18T10:46:52.155Z",
        "used_by_agent": "Graves"
      }
    },
    {
      "as_of": "2026-10-14T00:00:00Z",
      "source": "Company statement",
      "fragment": "The company said it had maintained production according to plan and in compliance with the law.",
      "source_note": {
        "source_id": "centinela-company-statement-2026-10-14",
        "source_kind": "company_statement",
        "source_url": "https://web.mineracentinela.cl/noticias-detalle/2026/10/14/minera-centinela-rechaza-medidas-de-presion-impropias-en-el-marco-de-una-negociacion-colectiva",
        "raw_excerpt": "La compañía además ratificó que ha logrado mantener su producción de acuerdo con lo previsto y cumpliendo plenamente con lo que dispone la ley.",
        "retrieved_at": "2026-10-18T10:46:52.155Z",
        "used_by_agent": "Graves"
      }
    },
    {
      "as_of": "2026-10-18T07:22:00Z",
      "source": "Reuters",
      "fragment": "Reuters reported that workers represented by the Distrito Centinela and Minera Esperanza unions ratified a collective agreement with Antofagasta Minerals, ending the strike at Chile’s Centinela copper mine.",
      "source_note": {
        "evidence": "attributed_unchecked",
        "source_id": "https://www.reuters.com/business/world-at-work/antofagastas-centinela-strike-ends-after-deal-with-unions-2026-10-18/",
        "source_kind": "public_url",
        "source_url": "https://www.reuters.com/business/world-at-work/antofagastas-centinela-strike-ends-after-deal-with-unions-2026-10-18/",
        "retrieved_at": "2026-10-18T07:22:00Z",
        "used_by_agent": "Graves",
        "provenance_note": "Source page could not be opened by the checker; use only as attributed reporting, paraphrased, and never as a quotation."
      }
    }
  ],
  "key_numbers": [
    {
      "label": "Workers backing agreement",
      "value": "94.49%",
      "dir": "flat"
    },
    {
      "label": "Participation",
      "value": "97.32%",
      "dir": "flat"
    },
    {
      "label": "Workers in strike",
      "value": "709",
      "dir": "flat"
    }
  ],
  "refs": [
    "centinela-smm-2026-10-08",
    "centinela-emol-2026-10-18",
    "centinela-company-statement-2026-10-14",
    "https://www.reuters.com/business/world-at-work/antofagastas-centinela-strike-ends-after-deal-with-unions-2026-10-18/"
  ],
  "topics": [],
  "next_update_utc": "11:30",
  "facts_checked_utc": "11:06"
}