{
    "tender_id": 3797660,
    "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": "2026-10-28T14:01:21Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127511\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: SMAROWNICA KVL10-1 32654301 OLEJOWA SWW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127511\", \"deadline_at\": \"2026-10-30T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:24:00Z\"}",
            "content_hash": "ceecb39598016f292a652e9b06170f19aa987488b59d2db50abd3ce11a2248f5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8d1a026aa0064294161066e1783d9fa384d11774d19d178843fdc0dc4229c2e6",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T19:32:12Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127511\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: SMAROWNICA KVL10-1 32654301 OLEJOWA SWW\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127511\", \"deadline_at\": \"2026-10-30T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:24:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127511\"}",
            "content_hash": "e78b2451b5b83cc5fe404641069c05faeee06571fd754ae8f9b7c2221dbf34e9",
            "prev_hash": "8d1a026aa0064294161066e1783d9fa384d11774d19d178843fdc0dc4229c2e6",
            "hash": "5e7a686cd496a8ab0eeecea7c3406279b68ddf98c811316eda3aec6c7e6d7d40",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}