{
    "tender_id": 2999247,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"45212200\", \"url\": \"https://bialapodlaska.ezamawiajacy.pl/pn/bialapodlaska/demand/notice/public/240022/details\", \"buyer\": \"Gmina Miejska w Białej Podlaskiej\", \"title\": \"Modernizacja szatni przy szkolnym obiekcie sportowym w Szkole Podstawowej nr 9 przy ul. Zygmunta Augusta 2\", \"source\": \"bialapodlaska_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"240022\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-23T08:14:00Z\", \"procedure_url\": \"https://bialapodlaska.ezamawiajacy.pl/pn/bialapodlaska/demand/notice/public/240022/details\"}",
            "content_hash": "a723351c46aa7dea106a5f157cff83a5892cb323d6cdb3f47ce0c56187ef9134",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "afe6bd622a8f4bac07ff142ac34adb7216f0b3aeef4b34e7d956bb721d197372",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}