{
    "tender_id": 3828394,
    "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": "2026-10-28T21:30:48Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399328\", \"buyer\": \"Regionalny Szpital Specjalistyczny im. dr Władysława Biegańskiego\", \"title\": \"Z/108/PN/26 Dostawy materiałów szewnych na okres 24 miesięcy - sprawa nr Z/108/PN/26\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399328\", \"deadline_at\": \"2026-11-13T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T21:30:49Z\", \"notice_number\": \"1399328\"}",
            "content_hash": "f98fd55adfa98191dfdd461d932045a7adbba3a8b3becc0148b4ab2d8c8ced62",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f893fdba0c4a2e61c2f870a24cce06a5bf2cdbc5c3ac6e8b41d455db19189de2",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T21:45:32Z",
            "content": "{\"cpv\": \"30190000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399328\", \"buyer\": \"Regionalny Szpital Specjalistyczny im. dr Władysława Biegańskiego\", \"title\": \"Z/108/PN/26 Dostawy materiałów szewnych na okres 24 miesięcy - sprawa nr Z/108/PN/26\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399328\", \"deadline_at\": \"2026-11-13T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T21:30:49Z\", \"notice_number\": \"1399328\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399328\"}",
            "content_hash": "f308a629848329b68d4003bc2151d1590b0f0652d39c9ff368674b349335f5b2",
            "prev_hash": "f893fdba0c4a2e61c2f870a24cce06a5bf2cdbc5c3ac6e8b41d455db19189de2",
            "hash": "3d5faaa464db20bb24972bc6cfa53e057a2e5d41eed7c03020d227dc054ce9ea",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T01:54:29Z",
            "content": "{\"cpv\": \"33141121\", \"url\": \"https://platformazakupowa.pl/transakcja/1399328\", \"buyer\": \"Regionalny Szpital Specjalistyczny im. dr Władysława Biegańskiego\", \"title\": \"Z/108/PN/26 Dostawy materiałów szewnych na okres 24 miesięcy - sprawa nr Z/108/PN/26\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399328\", \"deadline_at\": \"2026-11-13T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T23:00:00Z\", \"notice_number\": \"1399328\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399328\"}",
            "content_hash": "a03e792a75c951b6da4da11b1fe6bb8c86e0298384a3135331d4c6dcbb87a299",
            "prev_hash": "3d5faaa464db20bb24972bc6cfa53e057a2e5d41eed7c03020d227dc054ce9ea",
            "hash": "c0c3a2bc1884b40d72bf73a67a5e2068286bc6626f0f4e7614655bc8a8da6968",
            "actor": null,
            "seal": null
        }
    ]
}