{
    "tender_id": 4222941,
    "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": "2026-10-30T21:43:54Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864406/modernizacja-oswietlenia-podstawowego-w-budynku-pptp-406-w-siedzibie-wcwi\", \"buyer\": \"Wielkopolskie Centrum Wspierania Inwestycji spółka z o.o.\", \"title\": \"Modernizacja oświetlenia podstawowego w budynku PPTP 406 w siedzibie WCWI\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864406\", \"deadline_at\": \"2026-11-06T14:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:55Z\"}",
            "content_hash": "92f25d56e329181411ce45048241dec6f303711f8ed3772793910c753b838765",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "50a268cfd0fbc10334a7ddcbf7af610a3dba84d0a65b60e7b178388cf7f21316",
            "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": "2026-10-30T21:45:32Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864406/modernizacja-oswietlenia-podstawowego-w-budynku-pptp-406-w-siedzibie-wcwi\", \"buyer\": \"Wielkopolskie Centrum Wspierania Inwestycji spółka z o.o.\", \"title\": \"Modernizacja oświetlenia podstawowego w budynku PPTP 406 w siedzibie WCWI\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864406\", \"deadline_at\": \"2026-11-06T14:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:43:55Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401695\"}",
            "content_hash": "0ce1330b9645c3672a4cdfc3b25a61c525da04e798f770201d8f1f5009910886",
            "prev_hash": "50a268cfd0fbc10334a7ddcbf7af610a3dba84d0a65b60e7b178388cf7f21316",
            "hash": "e0c4c5701578eca9106d28b19a6bf7d1be28d75b9b86fcf6685397389dee1c53",
            "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
            }
        }
    ]
}