{
    "tender_id": 4787027,
    "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": "2026-11-02T15:11:24Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://dord.ezamawiajacy.pl/pn/dord/demand/notice/public/241582/details\", \"buyer\": \"Dolnośląski Ośrodek Ruchu Drogowego\", \"title\": \"Świadczenie usługi w zakresie sprzątania i utrzymania czystości w siedzibie DORD w 2027 roku\", \"source\": \"dord_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241582\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T14:09:00Z\"}",
            "content_hash": "f794a6bf0d5f53ac09a4e0a362854b722388f65eb3d41e8950fd3c81f6165118",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1d9f374c383d1aa8386f282b8a4092c591de704d988a78526c6ec6f28d740959",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T15:33:25Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://dord.ezamawiajacy.pl/pn/dord/demand/notice/public/241582/details\", \"buyer\": \"Dolnośląski Ośrodek Ruchu Drogowego\", \"title\": \"Świadczenie usługi w zakresie sprzątania i utrzymania czystości w siedzibie DORD w 2027 roku\", \"source\": \"dord_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241582\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T14:09:00Z\", \"procedure_url\": \"https://dord.ezamawiajacy.pl/pn/dord/demand/notice/public/241582/details\"}",
            "content_hash": "eaf10f10fe36f238fddc9dd708957d603e58e340de127148bd2a0e08765d4246",
            "prev_hash": "1d9f374c383d1aa8386f282b8a4092c591de704d988a78526c6ec6f28d740959",
            "hash": "10d6374d247d5baecfb93cea1ee7fbb618a96d6e39b1e9207ff1cf1e2a2df91a",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}