{
    "tender_id": 4139177,
    "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": "2026-10-30T13:44:24Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863289/dostawa-zestaw-uszczelnien-zaworu-hydraulicznego-2frm16-32-100-l-i-2frm10-31-50l\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA: ZESTAW USZCZELNIEŃ ZAWORU HYDRAULICZNEGO 2FRM16-32/100 L i 2FRM10-31/50L\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863289\", \"deadline_at\": \"2026-11-02T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:24Z\"}",
            "content_hash": "0515cf1cd7c59ea78a3c0eb86e4b945c011fcb793a7238f89c040b6150b1c960",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d755de8862977bbe7642dff7bf615f37b12326a4bb53841fc8e343bf0899f43d",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T13:45:40Z",
            "content": "{\"cpv\": \"31712110\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863289/dostawa-zestaw-uszczelnien-zaworu-hydraulicznego-2frm16-32-100-l-i-2frm10-31-50l\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA: ZESTAW USZCZELNIEŃ ZAWORU HYDRAULICZNEGO 2FRM16-32/100 L i 2FRM10-31/50L\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863289\", \"deadline_at\": \"2026-11-02T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:24Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127989\"}",
            "content_hash": "124548d660c67c6f7a900da8ee1566d9f96779edfbfbee9f2b27cc330a69545c",
            "prev_hash": "d755de8862977bbe7642dff7bf615f37b12326a4bb53841fc8e343bf0899f43d",
            "hash": "382cb3eeee9042e915bf8cc5109aa123f34ff635ed8ae6dea9c317793610eda4",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}