{
    "tender_id": 3064731,
    "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\": \"45111290\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093937-2026\", \"buyer\": \"Kirklees College\", \"title\": \"Wielka Brytania – Kirklees College - Minor Works\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0780ff\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-05T14:33:05Z\", \"notice_number\": \"093937-2026\"}",
            "content_hash": "67254e7e7e326ce06c3dfa8837ee2b1d9b3b03663fc1a5f008a4e86993377c67",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "6b699ff40aa71bc09ebbe7a5d04d9fa7678ebbfe65ef429aa46c0b2e1cccba80",
            "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": "2026-10-24T14:05:57Z",
            "content": "{\"cpv\": \"45111290\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093937-2026\", \"buyer\": \"Kirklees College\", \"title\": \"Wielka Brytania – Kirklees College - Mała Budowa\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-0780ff\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-05T14:33:05Z\", \"notice_number\": \"093937-2026\"}",
            "content_hash": "5b164402582cfca7184954d0fd2f13c5963c7e14ade850b32e8c8c45dc5f18b2",
            "prev_hash": "6b699ff40aa71bc09ebbe7a5d04d9fa7678ebbfe65ef429aa46c0b2e1cccba80",
            "hash": "2ca26b738927df10dd1aa1116bdca1052fb86696b653c17b227312e6b534d942",
            "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
            }
        }
    ]
}