{
    "tender_id": 5142146,
    "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": "2026-11-04T07:13:15Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766824-2026\", \"buyer\": \"Nadleśnictwo Daleszyce\", \"title\": \"Polska – Usługi leśnictwa – Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Daleszyce w roku 2027\", \"region\": \"swietokrzyskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"77210000\", \"77211000\", \"77211100\", \"77211200\", \"77211300\", \"77211400\", \"77211500\", \"77211600\", \"77230000\", \"77231000\", \"77231200\", \"77231600\"], \"location\": \"PL721, POL, PL721, PL721, PL721, PL721, PL721, PL721, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6572727083\", \"source_id\": \"766824-2026\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\"}",
            "content_hash": "0bf148e30f9ccccd22a333d0c75f93b29b9d8a261e3ce7b9074aba058a47ebfa",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "01c3f3449efc53de6b3b174530897e18b6c30f9277ba0477ee6535101d8bf82f",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T13:45:27Z",
            "content": "{\"cpv\": \"77200000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/766824-2026\", \"buyer\": \"Nadleśnictwo Daleszyce\", \"title\": \"Polska – Usługi leśnictwa – Wykonywanie usług z zakresu gospodarki leśnej na terenie Nadleśnictwa Daleszyce w roku 2027\", \"region\": \"swietokrzyskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"77210000\", \"77211000\", \"77211100\", \"77211200\", \"77211300\", \"77211400\", \"77211500\", \"77211600\", \"77230000\", \"77231000\", \"77231200\", \"77231600\"], \"location\": \"PL721, POL, PL721, PL721, PL721, PL721, PL721, PL721, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6572727083\", \"source_id\": \"766824-2026\", \"deadline_at\": \"2026-11-23T08:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-04T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399825\"}",
            "content_hash": "889c7a0b3b229e248bb28aa521e00d4eb985b0cebe5a799534c29dfeb75a1f63",
            "prev_hash": "01c3f3449efc53de6b3b174530897e18b6c30f9277ba0477ee6535101d8bf82f",
            "hash": "8b36fbad7689b1be7fdc7f598a040eda4ea60ae7136fc4485007b8f084c659eb",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}