{
    "tender_id": 4253442,
    "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": "2026-10-30T23:52:16Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/534491/dostawa-produktow-leczniczych-8-zadan\", \"buyer\": \"UNIWERSYTECKI SZPITAL DZIECIĘCY W KRAKOWIE\", \"title\": \"Dostawa produktów leczniczych - 8 zadań\", \"region\": \"malopolskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"534491\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T11:00:00Z\"}",
            "content_hash": "c39044f88bbe2ddcf1ff1c705a9c8433a9b7af9e35a1596aaca1e518745f57c0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2f28848979adc79e9776d81c730f871a477a5cb814c585e45c0eb37ad45b6167",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T00:45:17Z",
            "content": "{\"cpv\": \"33600000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/534491/dostawa-produktow-leczniczych-8-zadan\", \"buyer\": \"UNIWERSYTECKI SZPITAL DZIECIĘCY W KRAKOWIE\", \"title\": \"Dostawa produktów leczniczych - 8 zadań\", \"region\": \"malopolskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"MAŁOPOLSKIE\", \"source_id\": \"534491\", \"deadline_at\": \"2026-11-16T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T11:00:00Z\", \"procedure_url\": \"https://usdk.eb2b.com.pl/open-preview-auction.html/534491/dostawa-produktow-leczniczych-8-zadan\"}",
            "content_hash": "c74a2cf7ad75ca2249b517279df3372c84fa6abdad3b6e9d8fcb0166a7baa7b6",
            "prev_hash": "2f28848979adc79e9776d81c730f871a477a5cb814c585e45c0eb37ad45b6167",
            "hash": "edfc5949a6a0b4e6749aadd0057c76074febc7b612b02557f94ec4d24f6c1368",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}