{
    "tender_id": 4755359,
    "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=128194\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE OFERTOWE NA : PŁYTA BETONOWA DROGOWA 300X100X20CM\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128194\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:11:00Z\"}",
            "content_hash": "e06c5a4b3093c8791ea408ad2f34caf1e1c9097767c19764f40b9221e9443740",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "a19aafb67d725febd1af00b247788d113de0a5caaf7e14e52e47e65c31a4283b",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:02Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128194\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"ZAPYTANIE OFERTOWE NA : PŁYTA BETONOWA DROGOWA 300X100X20CM\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128194\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T08:11:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128194\"}",
            "content_hash": "a459eae8af0b5ef45f8618f0e5df35afc2c0bb2010d63bc58e5f2555775d5b3a",
            "prev_hash": "a19aafb67d725febd1af00b247788d113de0a5caaf7e14e52e47e65c31a4283b",
            "hash": "e5ef004d6f966b82087ea9cae48312680363effc321323a52bef306796d224ec",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}