{
    "tender_id": 3504329,
    "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": "2026-10-27T03:25:34Z",
            "content": "{\"cpv\": \"45262700\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854947/modernizacja-komina-h180-w-elektrocieplowni-tychy\", \"buyer\": \"TAURON Ciepło sp. z o.o.\", \"title\": \"Modernizacja komina H180 w Elektrociepłowni Tychy\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854947\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T03:25:34Z\"}",
            "content_hash": "e5fb7485baf2720e3305898e9d25eaab04200452530a968088f519750aad6587",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f1b0978f718ff998647f020f605b1096ed68d546888ddb8966ed35670f230038",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T11:33:44Z",
            "content": "{\"cpv\": \"45262700\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854947/modernizacja-komina-h180-w-elektrocieplowni-tychy\", \"buyer\": \"TAURON Ciepło sp. z o.o.\", \"title\": \"Modernizacja komina H180 w Elektrociepłowni Tychy\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854947\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T03:25:34Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13070693/details\"}",
            "content_hash": "481ef54d4cf1207ad0bcf07caca7feebbd06e9156c637ddd1ee3e8c2837f18ce",
            "prev_hash": "f1b0978f718ff998647f020f605b1096ed68d546888ddb8966ed35670f230038",
            "hash": "a217f346bfe60f922a5b882cbc99eb7141f2ceb38c597aca7c2a1564eccbaf14",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}