{
    "tender_id": 6848901,
    "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\": \"50730000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=130012\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA FILTRÓW SWEGON\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"130012\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T12:11:00Z\"}",
            "content_hash": "439689b88893853fdfb24b0f90966f3910dd612e7b754be2f189deacf23e516c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1094d7414ae4ebe377fa6769bda70d017d4c204c7ea1186faa85d4320c3d68b0",
            "actor": null,
            "seal": null
        }
    ]
}