{
    "tender_id": 4971275,
    "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": "2026-11-03T10:07:27Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051672001_Swiadczenie-uslugi-w-zakresie-sprzatania-i-utrzymania-czystosci-w-siedzibie-DORD-w-2027-roku_2026_2.html\", \"buyer\": \"Dolnośląski Ośrodek Ruchu Drogowego\", \"title\": \"Świadczenie usługi w zakresie sprzątania i utrzymania czystości w siedzibie DORD w 2027 roku.\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051672001\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\"}",
            "content_hash": "6f864b12ee36e37c073caeab109feb086ffa8a5e48eac0e14fc2f7bbf0c1fd82",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "455391d17b794d81d67bdef1b58015524381791c22e394a7b1dc703e83a001c0",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T10:45:32Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051672001_Swiadczenie-uslugi-w-zakresie-sprzatania-i-utrzymania-czystosci-w-siedzibie-DORD-w-2027-roku_2026_2.html\", \"buyer\": \"Dolnośląski Ośrodek Ruchu Drogowego\", \"title\": \"Świadczenie usługi w zakresie sprzątania i utrzymania czystości w siedzibie DORD w 2027 roku.\", \"region\": \"dolnoslaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Wrocław\", \"source_id\": \"20051672001\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-02T00:00:00Z\", \"procedure_url\": \"https://dord.ezamawiajacy.pl/pn/dord/demand/notice/public/241582/details\"}",
            "content_hash": "79f7f57c1035df5e6361c2cea6c559774d09297f63ffd63c208bc84d8511869c",
            "prev_hash": "455391d17b794d81d67bdef1b58015524381791c22e394a7b1dc703e83a001c0",
            "hash": "a5de2f67cae36075a0c1dd3616405f6a1eb0121b2a950cb72bc636057d556a2f",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}