{
    "tender_id": 6848884,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-11-12T13:33:26Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=130040\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Zapytanie na WAŁKI TEFLONOWE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"130040\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T11:07:00Z\"}",
            "content_hash": "a82ff1aa275cb4227ddd2d5f0f297af56e58f89190f21cee313155f2eb1f1e79",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fe3cdc43781ef42a93c02caedbc08c5c720f44b5b075c576b09c0e403a8705fd",
            "actor": null,
            "seal": {
                "id": 20,
                "digest": "b2fd6447da2d3f3e4b1804384291a598bc4e869f37e35449b20c1a3b8e7b3920",
                "file": "https://tenderiq.pl/rejestr/pieczec-20.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-20.txt.ots",
                "bitcoin_block": 975620
            }
        }
    ]
}