{
    "tender_id": 4059428,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-30T01:35:14Z",
            "content": "{\"cpv\": \"50110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862349/rfi-wykonanie-naprawy-czwartego-poziomu-utrzymania-naprawczego-pojazdow-trakcyjnych\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"RFI - Wykonanie naprawy czwartego poziomu utrzymania naprawczego pojazdów trakcyjnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862349\", \"deadline_at\": \"2026-11-05T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:14Z\"}",
            "content_hash": "57a189bdfaf143dd4fb462ccc6e6ac88aa33274f8b836e0def9397cccd814efa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8553c7a02de3d9eda8b902c75c032d583fa8e200782a574521c3a28aa2403f29",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T01:45:37Z",
            "content": "{\"cpv\": \"50110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3862349/rfi-wykonanie-naprawy-czwartego-poziomu-utrzymania-naprawczego-pojazdow-trakcyjnych\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"RFI - Wykonanie naprawy czwartego poziomu utrzymania naprawczego pojazdów trakcyjnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3862349\", \"deadline_at\": \"2026-11-05T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T01:35:14Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536274/rfi-wykonanie-naprawy-czwartego-poziomu-utrzymania-naprawczego-pojazdow-trakcyjnych\"}",
            "content_hash": "a03e482f4a7d2016fe484e3fa75c5242f55b67057a9a83a25f79bf0e96eb235d",
            "prev_hash": "8553c7a02de3d9eda8b902c75c032d583fa8e200782a574521c3a28aa2403f29",
            "hash": "6629c6c997559c2f045497f685e23a03b886caf24cbf6be8e680dc0944e57ac8",
            "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
            }
        }
    ]
}