{
    "tender_id": 3931749,
    "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": "2026-10-29T11:16:15Z",
            "content": "{\"cpv\": \"39296100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860099/zapytanie-ofertowe\", \"buyer\": \"Miasto Zabrze\", \"title\": \"zapytanie ofertowe\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860099\", \"deadline_at\": \"2026-11-06T07:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:15Z\"}",
            "content_hash": "5a3e53c192898557a8c05877d84b9e6d7964032a67d1fec92f233acefd53ff5d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7aa1ab9159b14b86139235b5d4eafc761131a7656421e9a5bb740be929303b1b",
            "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\": \"39296100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860099/zapytanie-ofertowe\", \"buyer\": \"Miasto Zabrze\", \"title\": \"zapytanie ofertowe\", \"region\": \"slaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860099\", \"deadline_at\": \"2026-11-06T07:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:15Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860099/zapytanie-ofertowe\"}",
            "content_hash": "89cdaa3be0883d09cae49bb7b22a3691325089ae2fa5e7904650ee04e69a3105",
            "prev_hash": "7aa1ab9159b14b86139235b5d4eafc761131a7656421e9a5bb740be929303b1b",
            "hash": "07329b16487ff5b4d8c61a4b0a6f849a415fcc98319b701663d882ef9a9a4f9e",
            "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
            }
        }
    ]
}