{
    "tender_id": 3897133,
    "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": "2026-10-29T04:55:58Z",
            "content": "{\"cpv\": \"30195000\", \"url\": \"https://tychy.logintrade.net/zapytania_email,243851,6b0dfe88725af6c1e481e4233dab7d1f.html\", \"buyer\": \"Gmina Miasto Tychy\", \"title\": \"Dostawa tablic rejestracyjnych oraz odbiór i złomowanie starych tablic rejestracyjnych\", \"region\": \"slaskie\", \"source\": \"pzp24_open\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243851-6b0dfe88725af6c1e481e4233dab7d1f\", \"deadline_at\": \"2026-12-03T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:53:00Z\"}",
            "content_hash": "a857a7a67cc234a691a84095c711c7ca7fc77336b748c7c72a9dbd854f1b0dcf",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "1e051fc39880015ee27bb2d20720b8c9d6ef7848f0602dfd0952e44360f89230",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T05:45:32Z",
            "content": "{\"cpv\": \"30195000\", \"url\": \"https://tychy.logintrade.net/zapytania_email,243851,6b0dfe88725af6c1e481e4233dab7d1f.html\", \"buyer\": \"Gmina Miasto Tychy\", \"title\": \"Dostawa tablic rejestracyjnych oraz odbiór i złomowanie starych tablic rejestracyjnych\", \"region\": \"slaskie\", \"source\": \"pzp24_open\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"243851-6b0dfe88725af6c1e481e4233dab7d1f\", \"deadline_at\": \"2026-12-03T22:59:59Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:53:00Z\", \"procedure_url\": \"https://tychy.logintrade.net/zapytania_email,243851,6b0dfe88725af6c1e481e4233dab7d1f.html\"}",
            "content_hash": "a6882577de1bb98748b29a8252b3e756c6467221957ec11af903386538fb9a4a",
            "prev_hash": "1e051fc39880015ee27bb2d20720b8c9d6ef7848f0602dfd0952e44360f89230",
            "hash": "e2ff7df24bd8a9f97d4fa20d01ea0c9acd2778b239390a3f8f3b7e2bbc9c8b30",
            "actor": null,
            "seal": null
        }
    ]
}