{
    "tender_id": 5173826,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T09:57:04Z",
            "content": "{\"cpv\": \"31440000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536946/zakup-wraz-z-dostawa-baterii-i-akumulatorow-3\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup wraz z dostawą baterii i akumulatorów\", \"region\": \"zachodniopomorskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536946\", \"deadline_at\": \"2026-11-06T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T09:30:00Z\"}",
            "content_hash": "ae5c20a28174c766f896cd1f0cf1ebccc22877ee7389348b8b4169e70cfcf806",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b2b44910e6ef50f0d47836ebdcdf61df7af40a5c635e841ed0ac6ba22bb0c670",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T11:34:01Z",
            "content": "{\"cpv\": \"31440000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536946/zakup-wraz-z-dostawa-baterii-i-akumulatorow-3\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup wraz z dostawą baterii i akumulatorów\", \"region\": \"zachodniopomorskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536946\", \"deadline_at\": \"2026-11-06T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T09:30:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3859588/zakup-wraz-z-dostawa-klimatyzatorow-o-mocy-chlodniczej-min-1-0-kw-wyposazonych-w-plyte-adaptacyjna-zgodnie-z-zalaczonym-opisem\"}",
            "content_hash": "04511fc594cbf450c5291925d0630eaaae73fda40abb997bea1ccf88d961fd7d",
            "prev_hash": "b2b44910e6ef50f0d47836ebdcdf61df7af40a5c635e841ed0ac6ba22bb0c670",
            "hash": "e51f9a2959cef3807c47298d355183547ce7cadc5ffe5ba375dd3cd02658d794",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T15:33:33Z",
            "content": "{\"cpv\": \"31440000\", \"url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536946/zakup-wraz-z-dostawa-baterii-i-akumulatorow-3\", \"buyer\": \"KOMENDA WOJEWÓDZKA POLICJI W KATOWICACH\", \"title\": \"Zakup wraz z dostawą baterii i akumulatorów\", \"region\": \"zachodniopomorskie\", \"source\": \"eb2b_public\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"536946\", \"deadline_at\": \"2026-11-06T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-04T09:30:00Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/536946/zakup-wraz-z-dostawa-baterii-i-akumulatorow-3\"}",
            "content_hash": "e4cab6911f55b553f9a12f09c3808a5215b0648017cce8dc5f093aceba9d9cd2",
            "prev_hash": "e51f9a2959cef3807c47298d355183547ce7cadc5ffe5ba375dd3cd02658d794",
            "hash": "6566bc413984493ba14b8fa690a803e48e7c71a4aace888d24b5cba9096fcbfb",
            "actor": null,
            "seal": null
        }
    ]
}