{
    "tender_id": 4335078,
    "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": "2026-10-31T12:11:00Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051148601_Zimowe-utrzymanie-drog-na-terenie-Gminy-Kutno-w-sezonie-zimowym-2026-2027_2026_2.html\", \"buyer\": \"GMINA KUTNO\", \"title\": \"Zimowe utrzymanie dróg na terenie Gminy Kutno w sezonie zimowym 2026-2027\", \"region\": \"lodzkie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90630000\", \"71700000\"], \"location\": \"Kutno\", \"source_id\": \"20051148601\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "43703a63b7e4eb5f34fa385053a8b40c54a880c1c997fb794fb978ef2f9e963b",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7fe2e96486efaab5b6556f2e98aec99dad29421d7dbf1b6948741161eb704db1",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:32Z",
            "content": "{\"cpv\": \"90620000\", \"url\": \"https://www.przetargi.egospodarka.pl/20051148601_Zimowe-utrzymanie-drog-na-terenie-Gminy-Kutno-w-sezonie-zimowym-2026-2027_2026_2.html\", \"buyer\": \"GMINA KUTNO\", \"title\": \"Zimowe utrzymanie dróg na terenie Gminy Kutno w sezonie zimowym 2026-2027\", \"region\": \"lodzkie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"90630000\", \"71700000\"], \"location\": \"Kutno\", \"source_id\": \"20051148601\", \"deadline_at\": \"2026-11-12T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1393586\"}",
            "content_hash": "38f00a7ff67dc8713342c32a9a1f9ad09040cff00988c1aa6beb39e8fbad07c4",
            "prev_hash": "7fe2e96486efaab5b6556f2e98aec99dad29421d7dbf1b6948741161eb704db1",
            "hash": "4f788168c725b53a106e58c460605898cfd9e1f60b3851bc612bdd1719f6db0a",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}