{
    "tender_id": 3858746,
    "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": "2026-10-29T02:07:16Z",
            "content": "{\"cpv\": \"33115000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/752331-2026\", \"buyer\": \"Szpital Wojewódzki w Opolu Sp. z o. o. | SAMODZIELNY PUBLICZNY ZAKŁAD OPIEKI ZDROWOTNEJ OPOLSKIE CENTRUM ONKOLOGII IM. PROF. TADEUSZA KOSZAROWSKIEGO W OPOLU\", \"title\": \"Polska – Urządzenia do tomografii – PNE.D.NT.49.26\", \"region\": \"opolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"33111610\", \"45000000\", \"33197000\", \"72262000\", \"45215140\"], \"location\": \"PL524, POL, PL524, PL524, POL, POL\", \"buyer_nip\": \"7543106048\", \"source_id\": \"752331-2026\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "06a4e41c95a05d297727bea5491610ba811bb52b6994a0d392fee348e24d548a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "aff7759cbd5bd058ca1df98f90ed122e070c4419d469f783c989d29cd1d4f8d8",
            "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
            }
        }
    ]
}