{
    "tender_id": 5173390,
    "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": "2026-11-04T09:56:33Z",
            "content": "{\"cpv\": \"50110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3871045/zapytanie-o-informacje-cenowa-na-naprawe-powypadkowa-autobusu-szynowego-sa108-007-\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenowa na naprawę powypadkową autobusu szynowego SA108-007.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3871045\", \"deadline_at\": \"2026-11-10T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:56:34Z\"}",
            "content_hash": "adc4aa015ea68bfdaa5d4c1f466cd15d8f1f5d9382db31159d65f6b1a92e95e8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "912923e6cf0c9a6bab9a48c9cbe8eb9d57b97a439251ea060479e663a0bb62c5",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T10:45:57Z",
            "content": "{\"cpv\": \"50110000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3871045/zapytanie-o-informacje-cenowa-na-naprawe-powypadkowa-autobusu-szynowego-sa108-007-\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenowa na naprawę powypadkową autobusu szynowego SA108-007.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3871045\", \"deadline_at\": \"2026-11-10T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:56:34Z\", \"procedure_url\": \"https://platforma.eb2b.com.pl/open-preview-auction.html/534457/zapytanie-o-informacje-cenowa-dotyczaca-postepowania-na-zakup-drzwi-oraz-czesci-do-drzwi-taboru-kolejowego\"}",
            "content_hash": "56a1c301663a0e2a4030d99c21fd2faaaa62db48e3b5a89881cfbda3876599d5",
            "prev_hash": "912923e6cf0c9a6bab9a48c9cbe8eb9d57b97a439251ea060479e663a0bb62c5",
            "hash": "3e4087fb6bb5a18090890c219733fbfcd4cd5fc4c50aaecd2dbbd9a085092323",
            "actor": null,
            "seal": null
        }
    ]
}