{
    "tender_id": 3064383,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"71318000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096602-2026\", \"buyer\": \"Guy's and St Thomas' NHS Foundation Trust\", \"title\": \"Wielka Brytania – 7926/27 Medical Gas Pipeline Authorising Engineer\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0786ae\", \"deadline_at\": \"2026-11-09T17:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-13T13:34:04Z\", \"notice_number\": \"096602-2026\"}",
            "content_hash": "face73f1811a569fed7038d599a4f8095371c62e6c333c3285c1d299b6b674f2",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2b92bb3b617a1ddb1a76340b01c668c37c5ad8c2c9cd8880286c6eed017a87c8",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:03:46Z",
            "content": "{\"cpv\": \"71318000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/096602-2026\", \"buyer\": \"Guy's and St Thomas' NHS Foundation Trust\", \"title\": \"Wielka Brytania – 7926/27 Inżynier Autoryzujący Rurociąg Gazów Medycznych\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0786ae\", \"deadline_at\": \"2026-11-09T17:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-13T13:34:04Z\", \"notice_number\": \"096602-2026\"}",
            "content_hash": "7ce200dd5fee56d9c80ff5eb21c75f755442028e7722006b7fa053d8504b0c80",
            "prev_hash": "2b92bb3b617a1ddb1a76340b01c668c37c5ad8c2c9cd8880286c6eed017a87c8",
            "hash": "cbeb6bacaa958ddb5699159b083baf3f2836df8558478bea6a20f0ee1a729e7f",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}