{
    "tender_id": 3731093,
    "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": "2026-10-28T06:51:57Z",
            "content": "{\"cpv\": \"71320000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050524901_Budowa-polaczenia-ul-Szojdy-i-ul-Towarowej-w-rejonie-Centrum-Handlowego-w-Tychach_2026_2.html\", \"buyer\": \"Miejski Zarząd Ulic i Mostów w Tychach\", \"title\": \"Budowa połączenia ul. Szojdy i ul. Towarowej w rejonie Centrum Handlowego w Tychach\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Tychy\", \"source_id\": \"20050524901\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\"}",
            "content_hash": "468c28740fa6a5ecb0a351cc981b6399b3e308165b7ff459099094dfe9efdba8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "774fa2e8f6a1863c14d29828b43c49f5515eda07380a92a22cdefa7d29bf64aa",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T08:45:18Z",
            "content": "{\"cpv\": \"71320000\", \"url\": \"https://www.przetargi.egospodarka.pl/20050524901_Budowa-polaczenia-ul-Szojdy-i-ul-Towarowej-w-rejonie-Centrum-Handlowego-w-Tychach_2026_2.html\", \"buyer\": \"Miejski Zarząd Ulic i Mostów w Tychach\", \"title\": \"Budowa połączenia ul. Szojdy i ul. Towarowej w rejonie Centrum Handlowego w Tychach\", \"region\": \"slaskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Tychy\", \"source_id\": \"20050524901\", \"deadline_at\": \"2026-11-13T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-27T00:00:00Z\", \"procedure_url\": \"https://mzuim-tychy.logintrade.net/zapytania_email,243626,faf9ff1c1f85012d2e0a5912d3e664c0.html\"}",
            "content_hash": "6b4dede8bf55e933dd293cb5ac60bbe44162992124c1ab838d7acaf039fae023",
            "prev_hash": "774fa2e8f6a1863c14d29828b43c49f5515eda07380a92a22cdefa7d29bf64aa",
            "hash": "6e1c05ec09651407badc5c09b9a3a64cac4783a5addcccc5b849c431abe281d3",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}