{
    "tender_id": 3828162,
    "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": "2026-10-28T21:25:59Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399592\", \"buyer\": \"Gmina Borek Wielkopolski\", \"title\": \"KZP.271.14.2026 Odbiór odpadów komunalnych z nieruchomości zamieszkałych z terenu gminy Borek Wlkp. oraz dostarczanie odebranych odpadów do instalacji przetwarzania odpadów.\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399592\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T10:01:00Z\", \"notice_number\": \"1399592\"}",
            "content_hash": "5b888e42a731a16f9cef249cf05f76b7f197ac8275f81bd3b8d328057fec58e4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "322c199479a5a48c25b7dd29b1f06bc8c84595bc1dcb2594156dd634d71c67b3",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T21:45:33Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://platformazakupowa.pl/transakcja/1399592\", \"buyer\": \"Gmina Borek Wielkopolski\", \"title\": \"KZP.271.14.2026 Odbiór odpadów komunalnych z nieruchomości zamieszkałych z terenu gminy Borek Wlkp. oraz dostarczanie odebranych odpadów do instalacji przetwarzania odpadów.\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1399592\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-28T10:01:00Z\", \"notice_number\": \"1399592\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399592\"}",
            "content_hash": "742931e3193037c47ec627f5800c9f8b3b69e426be1b7c854888b936b2dcb4e7",
            "prev_hash": "322c199479a5a48c25b7dd29b1f06bc8c84595bc1dcb2594156dd634d71c67b3",
            "hash": "721c6e5f37bca333fc01e6c23f4e6155ed19b6e7f113505e77ff0ad56bbf252a",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}