{
    "tender_id": 3858520,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-29T02:06:40Z",
            "content": "{\"cpv\": \"33113000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/750069-2026\", \"buyer\": \"Dolnośląskie Centrum Medyczne Dolmed S.A.\", \"title\": \"Polska – Urządzenia do obrazowania rezonansu magnetycznego – Modyfikacja i rozbudowa (upgrade) posiadanego przez Zamawiającego rezonansu magnetycznego\", \"region\": \"dolnoslaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"48000000\", \"33197000\"], \"location\": \"PL514, PL514, POL, POL, PL514, POL\", \"buyer_nip\": \"8971707841\", \"source_id\": \"750069-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "03411aff884170fa83d3c78918b706dde30dccdaeaf39cf16e2f4d93618c44fc",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "17ce687f28038aeaa8dd337c58300098dc05d55906598e6ddd5d642d320b6522",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T15:45:25Z",
            "content": "{\"cpv\": \"33113000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/750069-2026\", \"buyer\": \"Dolnośląskie Centrum Medyczne Dolmed S.A.\", \"title\": \"Polska – Urządzenia do obrazowania rezonansu magnetycznego – Modyfikacja i rozbudowa (upgrade) posiadanego przez Zamawiającego rezonansu magnetycznego\", \"region\": \"dolnoslaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"48000000\", \"33197000\"], \"location\": \"PL514, PL514, POL, POL, PL514, POL\", \"buyer_nip\": \"8971707841\", \"source_id\": \"750069-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://dolmed.logintrade.net/zapytania_email,243918,682d373bc0c960bdeac9c50a2089a9d7.html\"}",
            "content_hash": "49297ecb31c72fdc95f99cd2c06a41798df1864294a9519ee0b23aaf7ae91cdd",
            "prev_hash": "17ce687f28038aeaa8dd337c58300098dc05d55906598e6ddd5d642d320b6522",
            "hash": "c4938727eab3aeac56e642056f12579062e8a5cdf5944cdc6c80223c0bfcb5ec",
            "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
            }
        }
    ]
}