{
    "tender_id": 1055362,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"32342400\", \"url\": \"https://platformazakupowa.pl/transakcja/1377755\", \"buyer\": \"Centrum Nauki i Kultury Młyny Rothera\", \"title\": \"MR.260.10.2026.WW Dostawa sprzętu AV w celu zagospodarowania przestrzeni tarasu Młynów Rothera: Dostawa systemu nagłośnieniowego wraz z mikrofonami przewodowymi oraz niezbędnym okablowaniem\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"32340000\", \"32342412\", \"32343000\", \"30213000\", \"32351300\"], \"location\": \"Polska\", \"source_id\": \"1377755\", \"deadline_at\": \"2026-10-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-09-22T06:20:00Z\", \"notice_number\": \"1377755\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1377755\"}",
            "content_hash": "1813ec903f1ed6cff7e6028004f09ab2aa1a6c167f936c20042bb9d1e0c6f58b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2a1b4f7341b47f4f4f5acf8b824c3380f5615e95e6cefcc516631dc07d750db7",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}