{
    "tender_id": 4222999,
    "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": "2026-10-30T21:44:00Z",
            "content": "{\"cpv\": \"45421000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864346/wymiana-stolarki-okiennej-drewnianej-na-okna-pcv-w-lokalach-mieszkalnych\", \"buyer\": \"ZGN Ochota\", \"title\": \"Wymiana stolarki okiennej drewnianej na okna PCV w lokalach mieszkalnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864346\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:44:01Z\"}",
            "content_hash": "0f8a09455f1553268ab39edda9fd368d0f636974824e3613fd0f0626e96b3540",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8ee451395c45e476e51805d78338c59d4d63d44edc326629643e4ec0e5519edb",
            "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": "2026-10-30T21:45:33Z",
            "content": "{\"cpv\": \"45421000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864346/wymiana-stolarki-okiennej-drewnianej-na-okna-pcv-w-lokalach-mieszkalnych\", \"buyer\": \"ZGN Ochota\", \"title\": \"Wymiana stolarki okiennej drewnianej na okna PCV w lokalach mieszkalnych\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864346\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:44:01Z\", \"procedure_url\": \"https://zgnochota.ezamawiajacy.pl/pn/zgnochota/demand/notice/public/241367/details\"}",
            "content_hash": "6bd4ebc164cf4636923e3d4dc617d0c967e89d44bdfdc4389044d4eec30e24ee",
            "prev_hash": "8ee451395c45e476e51805d78338c59d4d63d44edc326629643e4ec0e5519edb",
            "hash": "49d5c42730579bca57f4d77b3a6cf1cc8e59211c7d809ac1790fd3c71df7718a",
            "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
            }
        }
    ]
}