{
    "tender_id": 4139151,
    "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": "2026-10-30T13:44:21Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863320/dostawa-czujnikow-xux1arcnt16\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA CZUJNIKÓW XUX1ARCNT16\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863320\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:21Z\"}",
            "content_hash": "2e927c8f9f3ac6c6e6505482267369e05ddac39ae5e613d74c46fc6f90542bde",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "eb28f749caa8699f0a874326b024c9bea40ef33dced8c7b99f81d8e88501f0b4",
            "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": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863320/dostawa-czujnikow-xux1arcnt16\", \"buyer\": \"MERCUS LOGISTYKA Sp. z o.o.\", \"title\": \"DOSTAWA CZUJNIKÓW XUX1ARCNT16\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863320\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:21Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128002\"}",
            "content_hash": "e393ce5b628e4e28b823f1764d3d5ed4d8e086e13404704c6ca99fa5b3dc6e16",
            "prev_hash": "eb28f749caa8699f0a874326b024c9bea40ef33dced8c7b99f81d8e88501f0b4",
            "hash": "55681c9f63db4a6c5c1f676edaf606b15f2c251500f091e91f4da27f5b5ce99b",
            "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
            }
        }
    ]
}