{
    "tender_id": 3724707,
    "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": "2026-10-28T04:54:30Z",
            "content": "{\"cpv\": \"09100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856551/rfp_pr_ws3357910201_nitroerg_kzs_2026_zakup-i-dostawa-kwasku-cytrynowego-w-latach-2027-2028\", \"buyer\": \"KGHM Polska Miedź S.A.\", \"title\": \"RFP_PR_WS3357910201_NITROERG_KZS_2026_Zakup i dostawa kwasku cytrynowego w latach 2027-2028\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856551\", \"deadline_at\": \"2026-11-03T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:31Z\"}",
            "content_hash": "426f40cae2a1096f7c539eb19bd9c0411b8912dca463b8ff1b3aeff83f24466f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "23335bfa1710c98cd33632cc6564a920229730d293d824e15e3de6d3f1472462",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}