{
    "tender_id": 4755352,
    "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": "2026-11-02T09:58:05Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128204\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Zapytanie ofertowe na drabiny drewniane i aluminiowe\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128204\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:53:00Z\"}",
            "content_hash": "8efcc16432264f6345602a2c7672e3b5e97c40146631ca19f3bbd507fe4ab95c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "187307dfac0432cca321e3efd8cc0e69320fd67da458762732194f51eba3ad3f",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:00Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128204\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Zapytanie ofertowe na drabiny drewniane i aluminiowe\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128204\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:53:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128204\"}",
            "content_hash": "d36a8709c979a72d8ecd13bb53b1816fccd4bbb7b53cb597f164aef0a533637a",
            "prev_hash": "187307dfac0432cca321e3efd8cc0e69320fd67da458762732194f51eba3ad3f",
            "hash": "627049e41dceefe5e402af926e04f4b1b2afbdd7241f17614a473a969241c719",
            "actor": null,
            "seal": null
        }
    ]
}