{
    "tender_id": 3461451,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-10-26T21:19:47Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/b20d689b-2d2d-442d-b025-9b87326121ad\", \"buyer\": \"Inspekcja Weterynaryjna Wojewódzki Inspektorat Weterynarii w Bydgoszczy\", \"title\": \"Świadczenie usługi sprzątania obiektu Wojewódzkiego Inspektoratu Weterynarii w Bydgoszczy\", \"region\": \"kujawsko-pomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"b20d689b-2d2d-442d-b025-9b87326121ad\", \"deadline_at\": \"2026-11-10T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T21:19:47Z\"}",
            "content_hash": "c9ef111948242348cb6bc754bdd0ae2c7a7f2bc8bc0a904ce3bc728916c8d718",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4c4f9eaccd753f754e3466c5bc017e661a43f8eaef0a3d7b9390e484f0c144c7",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:35:39Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/b20d689b-2d2d-442d-b025-9b87326121ad\", \"buyer\": \"Inspekcja Weterynaryjna Wojewódzki Inspektorat Weterynarii w Bydgoszczy\", \"title\": \"Świadczenie usługi sprzątania obiektu Wojewódzkiego Inspektoratu Weterynarii w Bydgoszczy\", \"region\": \"kujawsko-pomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"b20d689b-2d2d-442d-b025-9b87326121ad\", \"deadline_at\": \"2026-11-10T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T21:19:47Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853497/swiadczenie-uslugi-sprzatania-obiektu-wojewodzkiego-inspektoratu-weterynarii-w-bydgoszczy\"}",
            "content_hash": "84a39f332f8a102ef7f3d600ec85a1239479dc6e81e1d05cbfdf4c39e48c1eb9",
            "prev_hash": "4c4f9eaccd753f754e3466c5bc017e661a43f8eaef0a3d7b9390e484f0c144c7",
            "hash": "f99d942616b5fc5fb9a10aa9bea350dc6dc99009edfe95b1e5001c5b07be1ebc",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-28T22:45:42Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/b20d689b-2d2d-442d-b025-9b87326121ad\", \"buyer\": \"Inspekcja Weterynaryjna Wojewódzki Inspektorat Weterynarii w Bydgoszczy\", \"title\": \"Świadczenie usługi sprzątania obiektu Wojewódzkiego Inspektoratu Weterynarii w Bydgoszczy\", \"region\": \"kujawsko-pomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"b20d689b-2d2d-442d-b025-9b87326121ad\", \"deadline_at\": \"2026-11-10T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T21:19:47Z\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/b20d689b-2d2d-442d-b025-9b87326121ad\"}",
            "content_hash": "f4f4a110c5ac79bdd664b25ddd9067308d195f6f9d1cc669ce910af7b4f57efa",
            "prev_hash": "f99d942616b5fc5fb9a10aa9bea350dc6dc99009edfe95b1e5001c5b07be1ebc",
            "hash": "7135983c36abbf22168da4818d09c3b7ae074c792d9ea0ebc70088907c0d7bc6",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-10-29T05:45:48Z",
            "content": "{\"cpv\": \"90910000\", \"url\": \"https://e-propublico.pl/Ogloszenia/Details/b20d689b-2d2d-442d-b025-9b87326121ad\", \"buyer\": \"Inspekcja Weterynaryjna Wojewódzki Inspektorat Weterynarii w Bydgoszczy\", \"title\": \"Świadczenie usługi sprzątania obiektu Wojewódzkiego Inspektoratu Weterynarii w Bydgoszczy\", \"region\": \"kujawsko-pomorskie\", \"source\": \"epropublico\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"b20d689b-2d2d-442d-b025-9b87326121ad\", \"deadline_at\": \"2026-11-10T08:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T21:19:47Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3853497/swiadczenie-uslugi-sprzatania-obiektu-wojewodzkiego-inspektoratu-weterynarii-w-bydgoszczy\"}",
            "content_hash": "84a39f332f8a102ef7f3d600ec85a1239479dc6e81e1d05cbfdf4c39e48c1eb9",
            "prev_hash": "7135983c36abbf22168da4818d09c3b7ae074c792d9ea0ebc70088907c0d7bc6",
            "hash": "4ded230b55f9a30368d22d1ac5184522254b0c93b512221e1ec2584c89bbcb82",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}