{
    "tender_id": 4322634,
    "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": "2026-10-31T10:16:28Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864911/przetarg-cywilny-wykonanie-prac-geodezyjnych-wgn-271-32-2026-sa-\", \"buyer\": \"Urząd Miasta Tarnowa\", \"title\": \"Przetarg cywilny: Wykonanie prac geodezyjnych (WGN.271.32.2026/SA)\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864911\", \"deadline_at\": \"2026-11-06T10:48:26Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:28Z\"}",
            "content_hash": "2afdd4607467b20dcef00106b01e289db08c1ed373b39e06ff285c2b60723f93",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "adde1bfa3b3e7b63c67b329aef1d4e208bf6faf94a124aea2779d7eb5c383929",
            "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
            }
        }
    ]
}