{
    "tender_id": 3921655,
    "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": "2026-10-29T08:55:54Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127750\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA SZCZĘKI 3350957 MIERNIKA FLUKE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127750\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T08:21:00Z\"}",
            "content_hash": "2eea91bd200281f9ba509b87f701bfa8761dcce755eed784da932e28e4d7d057",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "66a09c26eeadff8718be8bef1ca5ae91da9f3ed05cc27b4d21f18c13e75bc3aa",
            "actor": null,
            "seal": null
        }
    ]
}