{
    "tender_id": 4022438,
    "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": "2026-10-29T19:39:59Z",
            "content": "{\"cpv\": \"16700000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860647/dostawa-ciagnika\", \"buyer\": \"Szpital dla Nerwowo i Psychicznie Chorych im. Stanisława Kryzana\", \"title\": \"Dostawa ciągnika\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860647\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:59Z\"}",
            "content_hash": "761f11a7095a89056cb37d6a8754e59caa5f575a302dec5440dd5d97f16734dd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3def4e35f06db4010a31a888f43a3b35b26fbb9ce10b69127aad47188e8f81e9",
            "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": "2026-10-29T19:46:00Z",
            "content": "{\"cpv\": \"16700000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860647/dostawa-ciagnika\", \"buyer\": \"Szpital dla Nerwowo i Psychicznie Chorych im. Stanisława Kryzana\", \"title\": \"Dostawa ciągnika\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860647\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:39:59Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396338\"}",
            "content_hash": "d1ae951560960fea18adf09a4bcc0515a8b76aa2bd5b1de856828333f9be63d0",
            "prev_hash": "3def4e35f06db4010a31a888f43a3b35b26fbb9ce10b69127aad47188e8f81e9",
            "hash": "6e5d9fe392f1e0fbbae0287735397b1e1c2abf9e0f798b688bb9bd39849a3b20",
            "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
            }
        }
    ]
}