{
    "tender_id": 2952241,
    "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\": \"60130000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/733682-2026\", \"buyer\": \"ПРОФЕСИОНАЛНА ГИМНАЗИЯ ПО ТРАНСПОРТ,ОБСЛУЖВАНЕ И ЛЕКА ПРОМИШЛЕНОСТ\", \"title\": \"Bułgaria – Usługi w zakresie specjalistycznego transportu drogowego osób – Специализиран превоз на ученици от Професионална гимназия по транспорт, обслужване и лека промишленост – гр. Добрич през учебната 2026/2027 г. по обособени позиции\", \"source\": \"ted_bgr\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"BG332, BGR, BG332, BG332, BG332, BG332, BGR, BGR, BGR, BGR\", \"source_id\": \"733682-2026\", \"deadline_at\": \"2026-11-23T21:59:59Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-23T02:00:00Z\"}",
            "content_hash": "1233f2bc12b6aeb077a2c24cf39a08bd6736725a03b860a713f108246c51c668",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1c4de325d5645eda1efdbe40c81e2d4dff6238bb638bea8b68f6d2746e917692",
            "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
            }
        }
    ]
}