{
    "tender_id": 2803582,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"39111100\", \"url\": \"https://ur-edu.logintrade.net/zapytania_email,243453,686590db9fcc91b98f66ddf9e69d0dae.html\", \"buyer\": \"Uniwersytet Rzeszowski\", \"title\": \"DZP.UR.261.458.2026 Sprzedaż i dostawa krzeseł oraz foteli do pracowni Kryminalistycznej i Suicydologii\", \"region\": \"podkarpackie\", \"source\": \"ur_edu_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243453-686590db9fcc91b98f66ddf9e69d0dae\", \"deadline_at\": \"2026-11-23T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-22T11:35:00Z\", \"procedure_url\": \"https://ur-edu.logintrade.net/zapytania_email,243453,686590db9fcc91b98f66ddf9e69d0dae.html\"}",
            "content_hash": "20814c799b9698db932e95f93ca954a5dc6ce45a8d273195a430d885d892daaf",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4cf0d343dad624a171d62d548845d3505e350f61bb647da6f93e405cfb32153f",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}