{
    "tender_id": 5527393,
    "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": "2026-11-06T04:12:56Z",
            "content": "{\"cpv\": \"32236000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3878114/zakup-baterii-do-radiotelefonow\", \"buyer\": \"KOLEJE MAZOWIECKIE - KM SP. Z O.O.\", \"title\": \"Zakup baterii do radiotelefonów\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3878114\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T04:12:56Z\"}",
            "content_hash": "e2d0ef49f896c7a607587bade37016ddadd52d8fe2e85a59458f612df1b2f7e1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "365edd5a59fd3b8a42485e5de313bef2c9ba51a9c505078870a16f009e75c20e",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-06T04:45:56Z",
            "content": "{\"cpv\": \"32236000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3878114/zakup-baterii-do-radiotelefonow\", \"buyer\": \"KOLEJE MAZOWIECKIE - KM SP. Z O.O.\", \"title\": \"Zakup baterii do radiotelefonów\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3878114\", \"deadline_at\": \"2026-11-09T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T04:12:56Z\", \"procedure_url\": \"https://km.eb2b.com.pl/open-preview-auction.html/537040/zakup-baterii-do-radiotelefonow\"}",
            "content_hash": "dbeef5807124b2219283af691e82788b834732a2c9fe420130aaa26c22dbc403",
            "prev_hash": "365edd5a59fd3b8a42485e5de313bef2c9ba51a9c505078870a16f009e75c20e",
            "hash": "1ac57a2b4ac609792515968565fe50660c51c3e3fe780af4b4ff83c52f75d34b",
            "actor": null,
            "seal": {
                "id": 14,
                "digest": "40311773b0ad96735478ea3fd2d0f50746aa4156eaa6f667f3f02f9a13460e6d",
                "file": "https://tenderiq.pl/rejestr/pieczec-14.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-14.txt.ots",
                "bitcoin_block": 974874
            }
        }
    ]
}