{
    "tender_id": 3366523,
    "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": "2026-10-26T09:50:30Z",
            "content": "{\"cpv\": \"42512200\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739571-2026\", \"buyer\": \"ТЕХНИЧЕСКИ УНИВЕРСИТЕТ\", \"title\": \"Bułgaria – Ścienne maszyny do konfekcjonowania powietrza – „Dostawa, montaż i demontaż klimatyzatorów dla potrzeb TU – Sofia i oddziałów tymczasowych”\", \"source\": \"ted_bgr\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"BG411, BG342, BG421, BG412, BG412, BG341, BG411, BGR, BGR, BGR, BGR, BGR, BGR, BGR, BG411, BG342, BG421, BG412, BG412, BG341, BG411, BGR, BGR, BGR, BGR, BGR, BGR, BGR\", \"source_id\": \"739571-2026\", \"deadline_at\": \"2026-11-12T21:59:59Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "b881a2b107e704f30d50b9adcb51ee2ed4a3ff71b264511e3fa28c7367d7ca5e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e42216a0fb1344fcb6202b24f1dd9fc4bc24e8eb684383c7f00fef5b46c6a8e3",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}