{
    "tender_id": 5022921,
    "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": "2026-11-03T17:59:29Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://szpitalostrowmaz.ezamawiajacy.pl/pn/szpitalostrowmaz/demand/notice/public/241887/details\", \"buyer\": \"Samodzielny Publiczny Zespół Zakładów Opieki Zdrowotnej w Ostrowi Mazowieckiej\", \"title\": \"Zakup sprzętu i aparatury medycznej\", \"source\": \"szpitalostrowmaz_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241887\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T15:33:00Z\"}",
            "content_hash": "7fc17769e4e6be9e95b567363dec526eff7e8b7f13d16f56d3bedb08d12e2c31",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ae8cf5b41149d45c1d7099b1354c7316b03dda528372aa21769daa21d4679efe",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T18:45:22Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://szpitalostrowmaz.ezamawiajacy.pl/pn/szpitalostrowmaz/demand/notice/public/241887/details\", \"buyer\": \"Samodzielny Publiczny Zespół Zakładów Opieki Zdrowotnej w Ostrowi Mazowieckiej\", \"title\": \"Zakup sprzętu i aparatury medycznej\", \"source\": \"szpitalostrowmaz_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241887\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T15:33:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858195/dostawa-sprzetu-i-aparatury-medycznej\"}",
            "content_hash": "7b6e56989476fa411e214792fd0c36e2b3847646e3a43426214160578ab5a576",
            "prev_hash": "ae8cf5b41149d45c1d7099b1354c7316b03dda528372aa21769daa21d4679efe",
            "hash": "0453b4cfcc72c6072f0f7c03f09da70882785e80b781fa964fefe43663e03539",
            "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
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T19:34:54Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://szpitalostrowmaz.ezamawiajacy.pl/pn/szpitalostrowmaz/demand/notice/public/241887/details\", \"buyer\": \"Samodzielny Publiczny Zespół Zakładów Opieki Zdrowotnej w Ostrowi Mazowieckiej\", \"title\": \"Zakup sprzętu i aparatury medycznej\", \"source\": \"szpitalostrowmaz_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241887\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-03T15:33:00Z\", \"procedure_url\": \"https://szpitalostrowmaz.ezamawiajacy.pl/pn/szpitalostrowmaz/demand/notice/public/241887/details\"}",
            "content_hash": "81f8072b2796ea00986bc31a3719c1aafb6542e578e7888c71d8a71e6b552720",
            "prev_hash": "0453b4cfcc72c6072f0f7c03f09da70882785e80b781fa964fefe43663e03539",
            "hash": "ca86f6b9be7be67e4c7a1b15493c5135c2dd2c3f54b28a91edf1e1637b7bdd06",
            "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
            }
        }
    ]
}