{
    "tender_id": 2684990,
    "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\": \"33696500\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/730749-2026\", \"buyer\": \"Szpital Powiatowy w Chrzanowie\", \"title\": \"Polska – Odczynniki laboratoryjne – Dostawa odczynników laboratoryjnych wraz z dzierżawą analizatorów dla Szpitala Powiatowego w Chrzanowie\", \"region\": \"malopolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL21A, POL, PL21A, PL21A, PL21A, PL21A, PL21A, PL21A, PL21A, PL21A, PL21A, POL, POL, POL, POL, POL, POL, POL, POL, POL\", \"buyer_nip\": \"6281916916\", \"source_id\": \"730749-2026\", \"deadline_at\": \"2026-11-13T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-22T02:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1382348\"}",
            "content_hash": "f927992d45bf5f0238886634a37361e2d355d8c1b1fe4d4ee599ea49b5d4e4fb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6b6a575bfeb6c884404b47f5096b94f70dbdc6c0dc0a86a8df638874e3ff9766",
            "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
            }
        }
    ]
}