{
    "tender_id": 3065151,
    "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\": \"79417000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/080902-2026\", \"buyer\": \"Sheffield Children's NHS Foundation Trust\", \"title\": \"Wielka Brytania – SCH Lift Authorising Engineer\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"ocds-h6vhtk-06ebb3\", \"deadline_at\": \"2026-10-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-08-25T13:55:22Z\", \"notice_number\": \"080902-2026\"}",
            "content_hash": "5f50555a6ca9d73e7205f5a4f1e771266469723cbe36400bce956257a628c043",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9d77c6d7e279eafa187da610719731faecd63254f325bbe5ba8a8506eeba22cd",
            "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
            }
        }
    ]
}