{
    "tender_id": 4139137,
    "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": "2026-10-30T13:44:19Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3863335/wykonanie-robot-budowlanych-w-branzy-elektroenergetycznej-na-terenie-dzialania-pge-dystrybucja-s-a-oddzial-odz-na-obszarze-\", \"buyer\": \"PGE Dystrybucja S.A.\", \"title\": \"Wykonanie robót budowlanych w branży elektroenergetycznej na terenie działania PGE Dystrybucja S.A. Oddział Łódź na obszarze RE Sieradz i RE Bełchatów w podziale na 6 części.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3863335\", \"deadline_at\": \"2026-11-16T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T13:44:19Z\"}",
            "content_hash": "b705559efab6f59250b06d4fce27a4709e07888c02b22e21c886ff53af54c1b8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b3579165c706221fb0929c0a8e681aabc33098f07380bf1dfc2031f311a3bae1",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}