{
    "tender_id": 3063969,
    "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\": \"22100000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/099342-2026\", \"buyer\": \"LONDON METROPOLITAN UNIVERSITY\", \"title\": \"Wielka Brytania – Multi Supplier Print Services Agreement\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"22300000\", \"22900000\"], \"location\": \"UKC, UKD, UKE, UKF, UKG, UKH, UKI, UKJ, UKK\", \"source_id\": \"ocds-h6vhtk-078c8b\", \"deadline_at\": \"2026-11-24T17:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-21T09:53:56Z\", \"notice_number\": \"099342-2026\"}",
            "content_hash": "fe287526093bddbc9c715ffeb9cd50230f6ad6b658c8e720713b93aea7233e77",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7ddfa68a9e41b142df55f16b418d8dcc8e8d83a649a4f10f6949935a5fa042f0",
            "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": "2026-10-24T14:01:10Z",
            "content": "{\"cpv\": \"22100000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/099342-2026\", \"buyer\": \"LONDON METROPOLITAN UNIVERSITY\", \"title\": \"Wielka Brytania – Umowa Ramowa z Wieloma Dostawcami Usług Drukarskich\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"22300000\", \"22900000\"], \"location\": \"UKC, UKD, UKE, UKF, UKG, UKH, UKI, UKJ, UKK\", \"source_id\": \"ocds-h6vhtk-078c8b\", \"deadline_at\": \"2026-11-24T17:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-21T09:53:56Z\", \"notice_number\": \"099342-2026\"}",
            "content_hash": "eb8ccee350d2f1a636b9ee19361500b569e18fbfd2f582e0952d2be5367c9692",
            "prev_hash": "7ddfa68a9e41b142df55f16b418d8dcc8e8d83a649a4f10f6949935a5fa042f0",
            "hash": "f12f2bcbd603d878cee8e728c663e1ce641328a46a79970d0975741131a3042c",
            "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
            }
        }
    ]
}