{
    "tender_id": 3931830,
    "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": "2026-10-29T11:16:21Z",
            "content": "{\"cpv\": \"39130000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860016/dostawa-mebli-dla-jednostek-organizacyjnych-uniwersytetu\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860016\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:21Z\"}",
            "content_hash": "17ce0db7d50e06fe74eec57fc1398c391b3e9ddfdb214421567d3ed6d0daf805",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5098f550e0526fe0e3bb85fe9d2b524bf94e399f0c865c79545250bb4e9e4870",
            "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": "2026-10-29T11:45:35Z",
            "content": "{\"cpv\": \"39130000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860016/dostawa-mebli-dla-jednostek-organizacyjnych-uniwersytetu\", \"buyer\": \"Uniwersytet w Siedlcach\", \"title\": \"Dostawa mebli dla jednostek organizacyjnych Uniwersytetu\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860016\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:21Z\", \"procedure_url\": \"https://uws-edu.logintrade.net/zapytania_email,243975,e38ecf63a542389d97c0c36c127d09e5.html\"}",
            "content_hash": "6db1ee053da94426b625dce187ba6c857ef3689c5c5f22fee3688461a42a7b61",
            "prev_hash": "5098f550e0526fe0e3bb85fe9d2b524bf94e399f0c865c79545250bb4e9e4870",
            "hash": "60aad864199c8703a8b23fb06f151500966dd024e9c3166826dbd446797b79bb",
            "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
            }
        }
    ]
}