{
    "tender_id": 4779526,
    "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": "2026-11-02T13:56:36Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128369\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTNIE NA SZYBKOZŁĄCZE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128369\", \"deadline_at\": \"2026-11-04T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:33:00Z\"}",
            "content_hash": "3b43c448371e320492df20d0b00a4e4a6e97f59d3f766d6cdcd8f234fb47e04e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "de78fc66486f20f1b304fe638a3c6481f7365e595a63f8b6042cc9d57abaabda",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T20:45:35Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128369\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTNIE NA SZYBKOZŁĄCZE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128369\", \"deadline_at\": \"2026-11-04T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:33:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128369\"}",
            "content_hash": "9be618c62f995d8c7b6dc83af5a56327bdaf105b626c8f08124ea766b43b4516",
            "prev_hash": "de78fc66486f20f1b304fe638a3c6481f7365e595a63f8b6042cc9d57abaabda",
            "hash": "f2070c040cd1d44a6af2ffdb346e9bbd6c2f5480060033dd5544a6e901dbeada",
            "actor": null,
            "seal": null
        }
    ]
}