{
    "tender_id": 5248039,
    "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": "2026-11-04T20:16:47Z",
            "content": "{\"cpv\": \"14622000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403726\", \"buyer\": \"Wodociągi Kieleckie Sp.z o.o.\", \"title\": \"1069 - Zakup wyrobów stalowych.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403726\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T10:06:00Z\", \"notice_number\": \"1403726\"}",
            "content_hash": "b3b8c0c2bd83b66ecf0873071de78d18baa47609407b73da0ff11af4d8c2a12d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7f59bc11baf782a2fe8b6004e85574aadb4e1855397dd5e2f6693efb81e99104",
            "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": "2026-11-04T20:45:27Z",
            "content": "{\"cpv\": \"14622000\", \"url\": \"https://platformazakupowa.pl/transakcja/1403726\", \"buyer\": \"Wodociągi Kieleckie Sp.z o.o.\", \"title\": \"1069 - Zakup wyrobów stalowych.\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1403726\", \"deadline_at\": \"2026-11-06T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T10:06:00Z\", \"notice_number\": \"1403726\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3873005/zakup-wyrobow-stalowych-\"}",
            "content_hash": "79a5dd5e463109de1e7aa4cee306be3c1156b5d1c4d866a997b4c1f01eaa2917",
            "prev_hash": "7f59bc11baf782a2fe8b6004e85574aadb4e1855397dd5e2f6693efb81e99104",
            "hash": "f1dc9151872fa8c71d2e9de77525bdc17239001e1f4384a7d2d7356ada56488d",
            "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
            }
        }
    ]
}