{
    "tender_id": 5135301,
    "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": "2026-11-04T06:33:22Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128709\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa PRZEPUSTNICY 400 PN 25 Z3M S-K\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128709\", \"deadline_at\": \"2026-11-05T06:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T06:32:00Z\"}",
            "content_hash": "a0d0f2d435a8012e2dc89b50a67e9ba52cca370eab83653ce95d5917bb5ef291",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3fde71298641710c53150b411191821a222bd5563d7a0ed1341901b0faa69a9b",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T10:46:25Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128709\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa PRZEPUSTNICY 400 PN 25 Z3M S-K\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128709\", \"deadline_at\": \"2026-11-05T06:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T06:32:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128709\"}",
            "content_hash": "75731b1d989cefb21308167c82361f1debbf19c8a0582005aea8ae9753e5645f",
            "prev_hash": "3fde71298641710c53150b411191821a222bd5563d7a0ed1341901b0faa69a9b",
            "hash": "cb538348d4a66a6cd019a59accc02b0535576a7fcfdd1fec17ad9999123dd683",
            "actor": null,
            "seal": null
        }
    ]
}