{
    "tender_id": 3622771,
    "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": "2026-10-27T16:21:58Z",
            "content": "{\"cpv\": \"44000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856162/zapytanie-na-grzejnik-elektryczny-tx-2000w-thermoval\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"ZAPYTANIE NA: GRZEJNIK ELEKTRYCZNY TX 2000W THERMOVAL\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856162\", \"deadline_at\": \"2026-10-29T13:50:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T16:21:59Z\"}",
            "content_hash": "28a06bb2680ae2b3ec5b7dda57d68d9f1e9d4cceebae460005c1052f85808471",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e6533a1a967380e2e56e1f83fcc84f883872b40126a263ec2dd88c860df3ab3f",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T19:35:46Z",
            "content": "{\"cpv\": \"44000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856162/zapytanie-na-grzejnik-elektryczny-tx-2000w-thermoval\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"ZAPYTANIE NA: GRZEJNIK ELEKTRYCZNY TX 2000W THERMOVAL\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856162\", \"deadline_at\": \"2026-10-29T13:50:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T16:21:59Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127415\"}",
            "content_hash": "3dab9823daf3ce71b7d08266356b8863cecee9905f73d966be0b36f4a2b9e203",
            "prev_hash": "e6533a1a967380e2e56e1f83fcc84f883872b40126a263ec2dd88c860df3ab3f",
            "hash": "0f9488466cd0004ed6a348a67a48cfa27b3be43d25650e99eb8653288fd6fdc1",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}