{
    "tender_id": 4145025,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-10-30T14:44:47Z",
            "content": "{\"cpv\": \"42400000\", \"url\": \"https://zakupy.grupapgz.pl/open-preview-auction.html/13694/remont-3-suwnic-o-udzwigu-8t-nr-inw-6460-016-2t-nr-inw-6460-039-3-2-t-nr-inw-6460-013-ii-edycja\", \"buyer\": \"POLSKA GRUPA ZBROJENIOWA S.A.\", \"title\": \"Remont 3 suwnic o udźwigu 8t nr inw. 6460-016; 2t nr inw.6460-039; 3,2 t nr inw. 6460-013 II EDYCJA\", \"source\": \"pgz_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13694\", \"deadline_at\": \"2026-11-02T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T11:00:00Z\"}",
            "content_hash": "3fef46a0ecb9a7c0c2cb98f1433bea10422fc371f4d68954f0ae14e02cebc864",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "edda2123bc5e86249e551637e49538fa9ec8d1e0c7aff2ab248b9ab640066a71",
            "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
            }
        }
    ]
}