{
    "tender_id": 4322167,
    "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": "2026-10-31T10:16:03Z",
            "content": "{\"cpv\": \"18143000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865522/zaproszenie-do-zlozenia-oferty-cenowej-na-dostawe-wkladek-przeciwhalasowych-ochronnikow-sluchu-oraz-timerow-strzeleckich\", \"buyer\": \"21. Baza Lotnictwa Taktycznego w Świdwinie\", \"title\": \"Zaproszenie do złożenia oferty cenowej na dostawę wkładek przeciwhałasowych, ochronników słuchu oraz timerów strzeleckich\", \"region\": \"zachodniopomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865522\", \"deadline_at\": \"2026-11-05T23:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:03Z\"}",
            "content_hash": "f101d174fa55b00c68bc6746bbda4c93c64e4dd999c968a98c22ff939ad01530",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9217086e17240415a6c594b84913f4a2cf9e17534794f6d901bd396e28d41772",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}