{
    "tender_id": 3828086,
    "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": "2026-10-28T21:18:33Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1399335\", \"buyer\": \"12 Wojskowy Oddział Gospodarczy\", \"title\": \"R/57/12WOG/2026 Dostawa kruszywa\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399335\", \"deadline_at\": \"2026-11-03T10:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-01T22:00:00Z\", \"notice_number\": \"1399335\"}",
            "content_hash": "4210d6e35e11707d607c3cd10e2edc14244e0b26a8dcf3cbf8386509d71a01b4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "88dc930232c2c04a55383bb27c0c38bc82c322218c17e86e2838c869655c5e67",
            "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
            }
        }
    ]
}