{
    "tender_id": 2779521,
    "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\": \"42522000\", \"url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1669782,dbbcaebece266c1b51392b142d638992.html\", \"buyer\": \"Platformazakupowa\", \"title\": \"44/PM/2026 Wykonanie i dostawa układu wirującego wentylatora suszarni instalacji produkcji nawozów dla zakładu Grupy Azoty \\\"FOSFORY\\\" Sp. z o.o. w Gdańsku\", \"region\": \"pomorskie\", \"source\": \"logintrade_open\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"pomorskie\", \"source_id\": \"1669782-dbbcaebece266c1b51392b142d638992\", \"deadline_at\": \"2026-11-05T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-22T09:43:14Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1669782,dbbcaebece266c1b51392b142d638992.html\"}",
            "content_hash": "407f34b64513b880c79de4db0b9408b164b2e2005d093290ec7647df58766159",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4912ae2c87f256625b7cf2cbabaf5df8dd01aa51bbc3f5ee47c192cd2084e653",
            "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
            }
        }
    ]
}