{
    "tender_id": 5142103,
    "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": "2026-11-04T07:13:08Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766226-2026\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY IM. JANA MIKULICZA-RADECKIEGO WE WROCŁAWIU\", \"title\": \"Polska – Materiały medyczne – Dostawa narzędzi medycznych i drobnego sprzętu medycznego\", \"region\": \"dolnoslaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL514, POL, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, POL, POL, POL, POL,\", \"buyer_nip\": \"8981816856\", \"source_id\": \"766226-2026\", \"deadline_at\": \"2026-11-17T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\"}",
            "content_hash": "6f55f0a60f487a6bb31b154565ef2fe908e43d6b702c8eee4ede8f8c2524d75d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9f259fa18e30c556b1ba9d6eb66da905f02bb89a0dd98c49eb953f8a86e95961",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T23:34:20Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766226-2026\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY IM. JANA MIKULICZA-RADECKIEGO WE WROCŁAWIU\", \"title\": \"Polska – Materiały medyczne – Dostawa narzędzi medycznych i drobnego sprzętu medycznego\", \"region\": \"dolnoslaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL514, POL, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, PL514, POL, POL, POL, POL,\", \"buyer_nip\": \"8981816856\", \"source_id\": \"766226-2026\", \"deadline_at\": \"2026-11-17T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1373074\"}",
            "content_hash": "0d8ea7c166ee5e847869e2137da120fe618b480d5a92417c8b4e3c0b11021bec",
            "prev_hash": "9f259fa18e30c556b1ba9d6eb66da905f02bb89a0dd98c49eb953f8a86e95961",
            "hash": "412a68302cbb991fcc73f09cab13b113fa29790955107d6a52b2aaf68bb11527",
            "actor": null,
            "seal": null
        }
    ]
}