{
    "tender_id": 5248075,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T20:20:06Z",
            "content": "{\"cpv\": \"33169000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403499\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Narzędzia chirurgiczne\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403499\", \"deadline_at\": \"2026-11-09T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T07:37:00Z\", \"notice_number\": \"1403499\"}",
            "content_hash": "ef45ae9fe70ce18c761efd28a7636217f286e4a9fc604c515bacbccedcf037b7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ed5fd768ade2d19dbdd72ba67d2d970e2e95a09dcd861c20b399a493057730fb",
            "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": "2026-11-04T20:45:27Z",
            "content": "{\"cpv\": \"33169000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403499\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Narzędzia chirurgiczne\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403499\", \"deadline_at\": \"2026-11-09T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T07:37:00Z\", \"notice_number\": \"1403499\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1403499\"}",
            "content_hash": "04357a65c3052c26b66b95b808a6e543dd3af01e976db13d59426477c7d96cb4",
            "prev_hash": "ed5fd768ade2d19dbdd72ba67d2d970e2e95a09dcd861c20b399a493057730fb",
            "hash": "26e8176b29252e2f6bd8444ed7d99a6b1019ecf21a16a418426404fe566113a1",
            "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": 3,
            "recorded_at": "2026-11-04T22:45:20Z",
            "content": "{\"cpv\": \"33169000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403499\", \"buyer\": \"COPERNICUS Podmiot Leczniczy Sp. z o.o.\", \"title\": \"Narzędzia chirurgiczne\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403499\", \"deadline_at\": \"2026-11-09T07:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T07:37:00Z\", \"notice_number\": \"1403499\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872436/narzedzia-chirurgiczne\"}",
            "content_hash": "b6559bf68c135817dee51aa43557ab5423595b1d186eebf63506f8139813ff2e",
            "prev_hash": "26e8176b29252e2f6bd8444ed7d99a6b1019ecf21a16a418426404fe566113a1",
            "hash": "8b7987b44527133a4945b3cc6779aa2c71881674cf629f448ddfc293e4ab0329",
            "actor": null,
            "seal": null
        }
    ]
}