{
    "tender_id": 3768144,
    "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": "2026-10-28T13:10:05Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670091,8a6e13e113018e39a8ca928b54aec9e1.html\", \"buyer\": \"Grupa Azoty Koltar sp. z o.o.\", \"title\": \"Świadczenie usług przez okres 2 lat w zakresie sprzątania pomieszczeń w obiektach Grupy Azoty KOLTAR Sp. z o.o. w Tarnowie, ul. E. Kwiatkowskiego 8\", \"source\": \"grupaazoty_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1670091-8a6e13e113018e39a8ca928b54aec9e1\", \"deadline_at\": \"2026-11-13T13:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T08:22:00Z\"}",
            "content_hash": "c18d3722a7c7519aebe077981c405ad68b8f3cdaaa4994a302f833f324bf83cb",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "337c98bc9971d779a3b49fb5923230893b909515fc0a73bc32c5b6ba42a59df8",
            "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": "2026-10-28T13:45:15Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670091,8a6e13e113018e39a8ca928b54aec9e1.html\", \"buyer\": \"Grupa Azoty Koltar sp. z o.o.\", \"title\": \"Świadczenie usług przez okres 2 lat w zakresie sprzątania pomieszczeń w obiektach Grupy Azoty KOLTAR Sp. z o.o. w Tarnowie, ul. E. Kwiatkowskiego 8\", \"source\": \"grupaazoty_logintrade\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1670091-8a6e13e113018e39a8ca928b54aec9e1\", \"deadline_at\": \"2026-11-13T13:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T08:22:00Z\", \"procedure_url\": \"https://platformazakupowa.grupaazoty.com/zapytania_email,1670091,8a6e13e113018e39a8ca928b54aec9e1.html\"}",
            "content_hash": "990e34976ab2e4312d70f39d5f3cb3f91a3f5f94daf8a4647a6bef8f0b58587b",
            "prev_hash": "337c98bc9971d779a3b49fb5923230893b909515fc0a73bc32c5b6ba42a59df8",
            "hash": "d2d7b811a5fe53c1145965d8372a18cfc4fcda39ed24e1583a4096ae5aa8e2a3",
            "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
            }
        }
    ]
}