{
    "tender_id": 4100362,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-10-30T06:32:27Z",
            "content": "{\"url\": \"https://bogdanka.eb2b.com.pl/open-preview-auction.html/154070/pasek-do-urzadzenia-w65-2-8\", \"buyer\": \"LUBELSKI WĘGIEL BOGDANKA S.A.\", \"title\": \"PASEK DO URZĄDZENIA W65-2\", \"source\": \"bogdanka_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"154070\", \"deadline_at\": \"2026-11-03T21:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T05:00:00Z\"}",
            "content_hash": "fbe1db262771ae2a02ca5bdb7f621916f88d6301699b479069dd52ad09c48943",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3637215df3afe5e5bb593a91def17d54d25adafa2a0e086101c8f94441b8c376",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}