{
    "tender_id": 3442592,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-26T20:28:56Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://platformazakupowa.pl/transakcja/1396474\", \"buyer\": \"Gmina Rogoźno\", \"title\": \"ZP.271.1.16.2026 Odbieranie i transport odpadów zmieszanych oraz bioodpadów oraz transport i zagospodarowanie segregowanych odpadów komunalnych w tym odpadów problemowych na terenie Gminy Rogoźno w 2027 roku\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1396474\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T20:28:56Z\", \"notice_number\": \"1396474\"}",
            "content_hash": "96cf73561b084fa01d19ea8ba996e241f2e870211926b6b686ea46732511ce34",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "34256d93ff595c3981cd55fa6012060e8fd8e09e2aefcdbff4270599acf59e8e",
            "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": "2026-10-26T23:36:08Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://platformazakupowa.pl/transakcja/1396474\", \"buyer\": \"Gmina Rogoźno\", \"title\": \"ZP.271.1.16.2026 Odbieranie i transport odpadów zmieszanych oraz bioodpadów oraz transport i zagospodarowanie segregowanych odpadów komunalnych w tym odpadów problemowych na terenie Gminy Rogoźno w 2027 roku\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1396474\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T20:28:56Z\", \"notice_number\": \"1396474\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396474\"}",
            "content_hash": "130ccffa1149ee610e45e53b97a77185e2e7dd1d74b61dfe2777dc34683c0684",
            "prev_hash": "34256d93ff595c3981cd55fa6012060e8fd8e09e2aefcdbff4270599acf59e8e",
            "hash": "750b0b6f663a8186bd6edd1e945b45fb302b0c476856ece73bade2f02c23ac58",
            "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": "2026-10-27T00:49:44Z",
            "content": "{\"cpv\": \"90500000\", \"url\": \"https://platformazakupowa.pl/transakcja/1396474\", \"buyer\": \"Gmina Rogoźno\", \"title\": \"ZP.271.1.16.2026 Odbieranie i transport odpadów zmieszanych oraz bioodpadów oraz transport i zagospodarowanie segregowanych odpadów komunalnych w tym odpadów problemowych na terenie Gminy Rogoźno w 2027 roku\", \"region\": \"wielkopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"90511000\", \"90512000\", \"90513000\", \"90513100\"], \"location\": \"Polska\", \"source_id\": \"1396474\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-26T10:05:00Z\", \"notice_number\": \"1396474\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396474\"}",
            "content_hash": "4a1485f7957f3ccbb9789c140053176d61cbc29437f5857b5bbf9c2e007b4d3c",
            "prev_hash": "750b0b6f663a8186bd6edd1e945b45fb302b0c476856ece73bade2f02c23ac58",
            "hash": "3c7b6bcaa672a3f623e296b90f0d58693d85d7bf2cce84dbd8f737eba6c77406",
            "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
            }
        }
    ]
}