{
    "tender_id": 1055665,
    "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\": \"60130000\", \"url\": \"https://platformazakupowa.pl/transakcja/1385375\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"D10.251.82.F.2026 D10.251.82.F.2026 USŁUGA TRANSPORTU SANITARNEGO PACJENTÓW ORAZ DOKUMENTACJI MEDYCZNEJ\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"60000000\"], \"location\": \"Polska\", \"source_id\": \"1385375\", \"deadline_at\": \"2026-11-09T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-05T07:05:00Z\", \"notice_number\": \"1385375\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1385375\"}",
            "content_hash": "cd33b6e850a0f17d9e713b012525444d39d8c1ebf2ab3f084bff04e4ada9f2f8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3f53100f8751b6716e6ec37b9c99e74f2d1fbfd07ee6e0673e408e00890744f0",
            "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
            }
        }
    ]
}