{
    "tender_id": 3539143,
    "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": "2026-10-27T08:43:51Z",
            "content": "{\"cpv\": \"45232410\", \"url\": \"https://bytom.sr.gov.pl/sg2622732026,new,m2,167,284.html,2736\", \"buyer\": \"Sąd Rejonowy w Bytomiu\", \"title\": \"SG.262.273.2026 Wykonanie usługi czyszczenia rynien i rur spustowych\", \"region\": \"slaskie\", \"source\": \"sr_bytom\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"sg2622732026,new,m2,167,284.html,2736\", \"deadline_at\": \"2026-11-02T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T08:44:21Z\"}",
            "content_hash": "93f735d87c396a7c4d6a85352d3abd1bbaeaf6dc92be1efddd409de3f2bbc309",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ff13bb798b61e626ec83f50f6c035328f583b2070f6b6ad6013326da093ef066",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}