{
    "tender_id": 4022178,
    "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": "2026-10-29T19:39:39Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860942/dostawa-sternotomu\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"DOSTAWA STERNOTOMU\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860942\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:39Z\"}",
            "content_hash": "a2163b3eb618440fb5fb5354b0df8502cd6d33b5817083c8c4d22c0df0b327bf",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3233e9f5056e3451cc2e699cb0c529bd10699a5f22168b7481533371143f7a57",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T19:46:04Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860942/dostawa-sternotomu\", \"buyer\": \"ŚLĄSKIE CENTRUM CHORÓB SERCA W ZABRZU\", \"title\": \"DOSTAWA STERNOTOMU\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860942\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:39Z\", \"procedure_url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241034/details\"}",
            "content_hash": "67e1a0b2776eb4a7eabefa4d0e56e3ba01645f17630d80ee1c92765e1e369be4",
            "prev_hash": "3233e9f5056e3451cc2e699cb0c529bd10699a5f22168b7481533371143f7a57",
            "hash": "1f608eab7dcb0cf163fc69fd37b247e474afe699fe7430a4bae2e93f2a58dc6b",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}