{
    "tender_id": 4322191,
    "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\": \"44617100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865499/dostawa-materialow-archiwizacyjnych-do-pakowania-i-zabezpieczania-obiektow-muzealnych\", \"buyer\": \"MUZEUM HISTORII POLSKI W WARSZAWIE\", \"title\": \"Dostawa materiałów archiwizacyjnych do pakowania i zabezpieczania obiektów muzealnych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865499\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:04Z\"}",
            "content_hash": "1efed97d4e505bb807bbc7c69f211a26e3148865d6321c4e2d5bb1e0f877de89",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "58c062649ec00db3d93609b6c860a029ee3e3a8ccbad980ed9bbf905394095fc",
            "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": "2026-10-31T10:45:39Z",
            "content": "{\"cpv\": \"44617100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865499/dostawa-materialow-archiwizacyjnych-do-pakowania-i-zabezpieczania-obiektow-muzealnych\", \"buyer\": \"MUZEUM HISTORII POLSKI W WARSZAWIE\", \"title\": \"Dostawa materiałów archiwizacyjnych do pakowania i zabezpieczania obiektów muzealnych\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865499\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:04Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536214/dostawa-materialow-archiwizacyjnych-do-pakowania-i-zabezpieczania-obiektow-muzealnych\"}",
            "content_hash": "da39dbeefd876aa94bb98cba85a662dc09e1972b4cf5985603c894c09e1e7669",
            "prev_hash": "58c062649ec00db3d93609b6c860a029ee3e3a8ccbad980ed9bbf905394095fc",
            "hash": "93c9b781fd6468097c9d0355b457dc3136dcaf10aaea61ae70c910f13a6c6fa5",
            "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
            }
        }
    ]
}