{
    "tender_id": 4322185,
    "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": "2026-10-31T10:16:04Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865505/sprzet-do-zabiegow-kardiochirurgicznych-3-zadania\", \"buyer\": \"UNIWERSYTECKI SZPITAL DZIECIĘCY W KRAKOWIE\", \"title\": \"Sprzęt do zabiegów kardiochirurgicznych - 3 zadania\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865505\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:04Z\"}",
            "content_hash": "eb9a004d9eb0ede67f52339f8d6c86016b127f0a08415f2dea1d786518a89d57",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3c2055153b02b25bad2e8d2e326325c80e8e6eb7f26b44a430ffe5633ae8800d",
            "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": "2026-10-31T10:45:46Z",
            "content": "{\"cpv\": \"33162000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865505/sprzet-do-zabiegow-kardiochirurgicznych-3-zadania\", \"buyer\": \"UNIWERSYTECKI SZPITAL DZIECIĘCY W KRAKOWIE\", \"title\": \"Sprzęt do zabiegów kardiochirurgicznych - 3 zadania\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865505\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:04Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/535128/sprzet-do-zabiegow-kardiochirurgicznych-3-zadania\"}",
            "content_hash": "ac09fa0c20f049b14b47983374fd065f86a9ad3de4566576a43ebb957b833323",
            "prev_hash": "3c2055153b02b25bad2e8d2e326325c80e8e6eb7f26b44a430ffe5633ae8800d",
            "hash": "982dac825e589e7b6938687bfb887c3c99c68b3c1b3498e7d46f8cd17b1508fd",
            "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
            }
        }
    ]
}