{
    "tender_id": 4145243,
    "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": "2026-10-30T14:46:08Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128124\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: MANOMETR 30307775 0-25BAR GW G1/4B OBE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128124\", \"deadline_at\": \"2026-11-04T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:54:00Z\"}",
            "content_hash": "2493032772e9cb6ece9d05fadcf9b47621d7bdb8de087080c7d24c397e412c3c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4e10a68a6e5d3c57312b76755eab665dc9ef25e338e9707a46ccfc489bce436f",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T21:45:33Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128124\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: MANOMETR 30307775 0-25BAR GW G1/4B OBE\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128124\", \"deadline_at\": \"2026-11-04T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:54:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128124\"}",
            "content_hash": "33f102ff9f9daae48cab1713225d4deac6c4594d3f748e951a3c1fcae83905a1",
            "prev_hash": "4e10a68a6e5d3c57312b76755eab665dc9ef25e338e9707a46ccfc489bce436f",
            "hash": "c5a1ebf4baa416765e908ce0ffc8bdc67d7ffd5e32a0e5829535c04248f133c0",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}