{
    "tender_id": 5191430,
    "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": "2026-11-04T12:31:25Z",
            "content": "{\"cpv\": \"15800000\", \"url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df3a69-9aa8-4e95-e2d6-6b000120ebe0\", \"buyer\": \"Przedszkole Samorządowe w Tenczynku\", \"title\": \"Zakup wraz z dostawą artykułów spożywczych dla Przedszkola Samorządowego w Tenczynku w 2027 r.\", \"region\": \"malopolskie\", \"source\": \"ezamowienia_notices\", \"status\": \"active\", \"cpv_more\": [\"15200000\", \"15400000\", \"15500000\", \"15600000\", \"15980000\", \"15300000\", \"03140000\", \"03200000\", \"15100000\"], \"location\": \"Tenczynek, małopolskie\", \"buyer_nip\": \"6761113933\", \"source_id\": \"2026/BZP 00522083/01\", \"deadline_at\": \"2026-11-20T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T11:48:55Z\", \"notice_number\": \"2026/BZP 00522083/01\"}",
            "content_hash": "3d534ece8be571d173b0fb2490c01370d1a6730bace33c4e8bdb3f8a906b8329",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6116427f098d294be804b3976bc9267e1b978efe03a288cbe03d40a5e5a57be3",
            "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
            }
        }
    ]
}