{
    "tender_id": 3823460,
    "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": "2026-10-28T20:02:14Z",
            "content": "{\"cpv\": \"33140000\", \"url\": \"https://lenaal.logintrade.net/portal,szczegolyZapytaniaOfertowe,3bf452f00e0ce013d5b8baae046eb591.html\", \"buyer\": \"LENAAL Sp. z o.o. Sp. k.\", \"title\": \"Pistolet do przedmuchiwania BP PRO 2112120 Aircraft\", \"region\": \"mazowieckie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"mazowieckie\", \"source_id\": \"lenaal-3bf452f00e0ce013d5b8baae046eb591\", \"deadline_at\": \"2026-11-02T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T12:02:00Z\"}",
            "content_hash": "25cddb14ffeb064480a1592818d32f340d263a01994ec2d9aa324a61d2c64901",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "01680d4c7f594c86fe98a054658ca9cc619ca6b3883289f7aaf2937037ee2632",
            "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
            }
        }
    ]
}