{
    "tender_id": 4322657,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-31T10:16:30Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864888/dostawa-sprzetu-fotograficznego\", \"buyer\": \"Teatr Polski w Szczecinie\", \"title\": \"Dostawa sprzętu fotograficznego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864888\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:30Z\"}",
            "content_hash": "4ab204293239d2d4b71b7c1c4b074488001fce8002c6ef8ac41f7d005e90624e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fe71902bca92a74b7f18e4335f07c593824d30206139d07d468c48bb7e4bf2a5",
            "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": "2026-10-31T10:45:35Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864888/dostawa-sprzetu-fotograficznego\", \"buyer\": \"Teatr Polski w Szczecinie\", \"title\": \"Dostawa sprzętu fotograficznego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864888\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861468/dostawa-sprzetu-fotograficznego\"}",
            "content_hash": "c4b12c331eff665fb44b2cb2c4ca1fa150541001d602642ea248d6b6e08110ee",
            "prev_hash": "fe71902bca92a74b7f18e4335f07c593824d30206139d07d468c48bb7e4bf2a5",
            "hash": "e2fbe53a1744cd45b824fbc7b3a975fb59adf0de5cec11aca2249d701a56b0a1",
            "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": 3,
            "recorded_at": "2026-10-31T17:45:27Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864888/dostawa-sprzetu-fotograficznego\", \"buyer\": \"Teatr Polski w Szczecinie\", \"title\": \"Dostawa sprzętu fotograficznego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864888\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:30Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df35c9-fbcc-ec69-cfcf-e60001f8bfe8\"}",
            "content_hash": "263a9aa951ebbfd79a4ce07a93da2ca72e5ce31d151252c0f1c4a78522f0dd47",
            "prev_hash": "e2fbe53a1744cd45b824fbc7b3a975fb59adf0de5cec11aca2249d701a56b0a1",
            "hash": "ab34d5f599d5163a043e4b4397b5472f7f3047d4677775440246abc7d0402582",
            "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": 4,
            "recorded_at": "2026-11-01T00:45:17Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864888/dostawa-sprzetu-fotograficznego\", \"buyer\": \"Teatr Polski w Szczecinie\", \"title\": \"Dostawa sprzętu fotograficznego\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864888\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:30Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3861468/dostawa-sprzetu-fotograficznego\"}",
            "content_hash": "c4b12c331eff665fb44b2cb2c4ca1fa150541001d602642ea248d6b6e08110ee",
            "prev_hash": "ab34d5f599d5163a043e4b4397b5472f7f3047d4677775440246abc7d0402582",
            "hash": "153b43e868f9a44d8e9684b4131638cf640a8760a65588e1660e7feec4d75418",
            "actor": null,
            "seal": null
        }
    ]
}