{
    "tender_id": 3361635,
    "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": "2026-10-26T09:40:00Z",
            "content": "{\"cpv\": \"55110000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/737324-2026\", \"buyer\": \"Hospodářská komora hlavního města Prahy\", \"title\": \"Czechy – Hotelarskie usługi noclegowe – Ubytování, strava, doprava a další služby pro účastníky vzdělávacích akcí – iDZ Praha_2\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [\"55520000\", \"60140000\"], \"location\": \"CZ020, CZE, CZ020, CZ020, CZ020, CZ020, CZE, CZE, CZE, CZE\", \"source_id\": \"737324-2026\", \"deadline_at\": \"2026-11-25T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "0691aa7d5fbdd45572d4c4e31b2a81729adbf70393e4ee6a3e3bc583bc0d304e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "95e1c2374365129f3570e9bbcb0faa633a0f829cd5db4db0b6c23ef10ad6d0c6",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:17:08Z",
            "content": "{\"cpv\": \"55110000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/737324-2026\", \"buyer\": \"Hospodářská komora hlavního města Prahy\", \"title\": \"Czechy – Hotelarskie usługi noclegowe – Utrzymanie, wyżywienie, transport i inne usługi dla uczestników akcji edukacyjnych – iDZ Praha_2\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [\"55520000\", \"60140000\"], \"location\": \"CZ020, CZE, CZ020, CZ020, CZ020, CZ020, CZE, CZE, CZE, CZE\", \"source_id\": \"737324-2026\", \"deadline_at\": \"2026-11-25T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "64c724e4b13db25c8dd1a135686379e3d59ff7fc6cc46aa226fc340461470e6e",
            "prev_hash": "95e1c2374365129f3570e9bbcb0faa633a0f829cd5db4db0b6c23ef10ad6d0c6",
            "hash": "ce5407b42146c34a8b819eccae64e5401b3d7230a73d7cd9b5a75e7e8421ca4d",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}