{
    "tender_id": 3620913,
    "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": "2026-10-27T15:37:13Z",
            "content": "{\"cpv\": \"32250000\", \"url\": \"https://slaska-policja.eb2b.com.pl/open-preview-auction.html/535860/zakup-i-dostawa-telefonow-komorkowych-dla-kwp-w-katowicach-i-jednostek-podleglych-1\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup i dostawa telefonów komórkowych dla KWP w Katowicach i jednostek podległych\", \"region\": \"zachodniopomorskie\", \"source\": \"slaska_policja_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"535860\", \"deadline_at\": \"2026-11-02T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T13:30:00Z\"}",
            "content_hash": "215f4f06f429d511c72c734876db2f630364f3826d97e5ccc1839cb1c8461562",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "699c4c4023ea9c542141934ab6caae9b27da381dc4faf491e9a73bc3b64d1b90",
            "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": 2,
            "recorded_at": "2026-10-27T19:35:47Z",
            "content": "{\"cpv\": \"32250000\", \"url\": \"https://slaska-policja.eb2b.com.pl/open-preview-auction.html/535860/zakup-i-dostawa-telefonow-komorkowych-dla-kwp-w-katowicach-i-jednostek-podleglych-1\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup i dostawa telefonów komórkowych dla KWP w Katowicach i jednostek podległych\", \"region\": \"zachodniopomorskie\", \"source\": \"slaska_policja_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"535860\", \"deadline_at\": \"2026-11-02T13:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T13:30:00Z\", \"procedure_url\": \"https://slaska-policja.eb2b.com.pl/open-preview-auction.html/535860/zakup-i-dostawa-telefonow-komorkowych-dla-kwp-w-katowicach-i-jednostek-podleglych-1\"}",
            "content_hash": "7e6b8968666f6c8db18166ddc38da3e0d91481c9922a2cecc50750ceb7829963",
            "prev_hash": "699c4c4023ea9c542141934ab6caae9b27da381dc4faf491e9a73bc3b64d1b90",
            "hash": "afa4b7d26f46c81fb8e076b5e83d75bd8d1cfeef82aabc01b3602ac81b3e2848",
            "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
            }
        }
    ]
}