{
    "tender_id": 4146110,
    "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": "2026-10-30T15:05:08Z",
            "content": "{\"cpv\": \"18424000\", \"url\": \"https://slaska-policja.eb2b.com.pl/open-preview-auction.html/536462/zakup-wraz-z-dostawa-rekawiczek-rowerowych\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup wraz z dostawą rękawiczek rowerowych\", \"region\": \"zachodniopomorskie\", \"source\": \"slaska_policja_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536462\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\"}",
            "content_hash": "cf5570fabf5560441b0bac263284be7762130f14e3919bce93d54f4902b51057",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ab1889907f55e4c07e459216aea2900dfab9ba233b6ccc27fe201cfa6532c322",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T15:31:07Z",
            "content": "{\"cpv\": \"18424000\", \"url\": \"https://slaska-policja.eb2b.com.pl/open-preview-auction.html/536462/zakup-wraz-z-dostawa-rekawiczek-rowerowych\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup wraz z dostawą rękawiczek rowerowych\", \"region\": \"zachodniopomorskie\", \"source\": \"slaska_policja_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536462\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T13:00:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536462/zakup-wraz-z-dostawa-rekawiczek-rowerowych\"}",
            "content_hash": "c1ec81f4e89ad3079ab7c63c8835726df244677e5aa918b6e600cf8364eb0119",
            "prev_hash": "ab1889907f55e4c07e459216aea2900dfab9ba233b6ccc27fe201cfa6532c322",
            "hash": "5a18871e7c2f4f2d0bbe646d688fd73664adfd0331fb28751a14a74ecd83255e",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}