{
    "tender_id": 4762927,
    "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": "2026-11-02T11:27:03Z",
            "content": "{\"cpv\": \"39294100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38cf-5b87-7498-e2d6-6b000120c638\", \"buyer\": \"Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu\", \"title\": \"TPm-77/26 Sukcesywna dostawa artykułów promocyjnych, na potrzeby Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu w podziale na 9 części\", \"region\": \"wielkopolskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Poznań, wielkopolskie\", \"buyer_nip\": \"7770003104\", \"source_id\": \"2026/BZP 00515928/01\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:52:15Z\", \"notice_number\": \"2026/BZP 00515928/01\"}",
            "content_hash": "cee9a83bc986c68ef941ce33309acd45f05dfb25a768bf030cf64046671f07e1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "36905a6ac979ac52365625ee0fc9816c94192f513e593c30f1321ba2ab8d6abf",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:01Z",
            "content": "{\"cpv\": \"39294100\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df38cf-5b87-7498-e2d6-6b000120c638\", \"buyer\": \"Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu\", \"title\": \"TPm-77/26 Sukcesywna dostawa artykułów promocyjnych, na potrzeby Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu w podziale na 9 części\", \"region\": \"wielkopolskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Poznań, wielkopolskie\", \"buyer_nip\": \"7770003104\", \"source_id\": \"2026/BZP 00515928/01\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T10:52:15Z\", \"notice_number\": \"2026/BZP 00515928/01\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400497\"}",
            "content_hash": "83a43d1398f6767d65783c47bfffccc00cd19957896dabb1cacc54a27e5b0e98",
            "prev_hash": "36905a6ac979ac52365625ee0fc9816c94192f513e593c30f1321ba2ab8d6abf",
            "hash": "0b8d1acf444a866d1b4675d022d43e6bf3e270568535f948ab6bd410ef962ef0",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}