{
    "tender_id": 3545816,
    "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": "2026-10-27T10:56:25Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1398773\", \"buyer\": \"Ginekologiczno-Położniczy Szpital Kliniczny im. Heliodora Święcickiego Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu\", \"title\": \"Dostawa świezych warzyw i owoców\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1398773\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T09:15:00Z\", \"notice_number\": \"1398773\"}",
            "content_hash": "c11604390a4c436241001586af34235f8ecd7ac29dfcd284f6b6d8a3dabef22b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "18afb00a78c407f54d0eb7bffae2ca70ee600187b16a664aea96cc35f82765a2",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T11:34:09Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1398773\", \"buyer\": \"Ginekologiczno-Położniczy Szpital Kliniczny im. Heliodora Święcickiego Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu\", \"title\": \"Dostawa świezych warzyw i owoców\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1398773\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T09:15:00Z\", \"notice_number\": \"1398773\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1398773\"}",
            "content_hash": "2bdc1e3f64f59539a3b370e42e074855a5c737348f7675b0e48a5e5f2eca632c",
            "prev_hash": "18afb00a78c407f54d0eb7bffae2ca70ee600187b16a664aea96cc35f82765a2",
            "hash": "7132db0435ee4c633aacb797c2c38056609d7d5e91c7acb427e5172465e5d05b",
            "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
            }
        }
    ]
}