{
    "tender_id": 5185241,
    "check": {
        "ok": true,
        "versions": 2,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-11-04T11:16:58Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128707\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSATWA SIŁOWNIKA HYDR SWWK\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128707\", \"deadline_at\": \"2026-11-10T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T07:35:00Z\"}",
            "content_hash": "e855d07ebda2bc677c8692952b7b57a2375a086172652e43d90476dcd6afdce9",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b1136eb7af7aa9c04e270f8f2f6539b4c6f4c681aa57dc9e39ed9eb05e5ad79d",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T11:45:33Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128707\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSATWA SIŁOWNIKA HYDR SWWK\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128707\", \"deadline_at\": \"2026-11-10T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T07:35:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128707\"}",
            "content_hash": "edadbf0bfb5d646d7e7a5d8ea8f30aede7cfc2e6b62b6365700d8d6ff0f356d6",
            "prev_hash": "b1136eb7af7aa9c04e270f8f2f6539b4c6f4c681aa57dc9e39ed9eb05e5ad79d",
            "hash": "d8a137f345e68e4be721559abac585416afd78be86fbfe989191fc3c51769788",
            "actor": null,
            "seal": null
        }
    ]
}