{
    "tender_id": 4773088,
    "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": "2026-11-02T13:00:42Z",
            "content": "{\"cpv\": \"39220000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865948/sprzet-agd\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Sprzęt AGD\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865948\", \"deadline_at\": \"2026-11-06T07:58:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:42Z\"}",
            "content_hash": "5c3369ffdc947a05a994b29b8e5ca59cafbda8486d1e8faa112778ba7ef9d62e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cce7bae7e385817311cd35f039c836ed11313310fd9812ae9da66483a3d672ee",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T19:33:11Z",
            "content": "{\"cpv\": \"39220000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865948/sprzet-agd\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Sprzęt AGD\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865948\", \"deadline_at\": \"2026-11-06T07:58:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:42Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865948/sprzet-agd\"}",
            "content_hash": "7c1810b213a15506bd6b1c80052b3bf5ffc24bf433bc3674155a39d935073e05",
            "prev_hash": "cce7bae7e385817311cd35f039c836ed11313310fd9812ae9da66483a3d672ee",
            "hash": "5a7f169bd25073874e6200d4b0b55f20a0534e5f7fadcc19d5ee0aacfe944cb2",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T21:45:52Z",
            "content": "{\"cpv\": \"39220000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865948/sprzet-agd\", \"buyer\": \"KWP Bydgoszcz\", \"title\": \"Sprzęt AGD\", \"region\": \"kujawsko-pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865948\", \"deadline_at\": \"2026-11-06T07:58:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:42Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401888\"}",
            "content_hash": "651683b92b4d47f92b3c7e4e3deb2bcc54317d0eec5a19c1c858b17572716238",
            "prev_hash": "5a7f169bd25073874e6200d4b0b55f20a0534e5f7fadcc19d5ee0aacfe944cb2",
            "hash": "e08f3e2a081c7798ae7ed99b3d43ee3394f0c45788db0fa63b11b756d382670c",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}