{
    "tender_id": 3064056,
    "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\": \"50711000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/098835-2026\", \"buyer\": \"Cadder Housing Association\", \"title\": \"Wielka Brytania – Three Year Electrical Inspection Contract, Various Addresses, North Glasgow\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKM82, North Glasgow\", \"source_id\": \"ocds-h6vhtk-078b80\", \"deadline_at\": \"2026-11-20T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-20T09:30:19Z\", \"notice_number\": \"098835-2026\"}",
            "content_hash": "d65858c857a5be9f4f028823b84e4af8da497f78200b9a61893f79bd89fce90e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "9af244d14f82f20b545faafe7458f57069bec55fc4092f9164edddc0624290a4",
            "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": "2026-10-24T14:01:43Z",
            "content": "{\"cpv\": \"50711000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/098835-2026\", \"buyer\": \"Cadder Housing Association\", \"title\": \"Wielka Brytania – Trzyletni Umowa Ramowa Dotycząca Kontroli Elektrycznej, Różne Adresy, Północ Glasgow\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKM82, North Glasgow\", \"source_id\": \"ocds-h6vhtk-078b80\", \"deadline_at\": \"2026-11-20T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-20T09:30:19Z\", \"notice_number\": \"098835-2026\"}",
            "content_hash": "31216488b63b99c9ee6d4dad283d97efa5c196b53567ba6763cf5398f3fbba22",
            "prev_hash": "9af244d14f82f20b545faafe7458f57069bec55fc4092f9164edddc0624290a4",
            "hash": "72cfa817e74ed163c0130d9959c67d523910fbb342cfc2331273521faa3f578a",
            "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
            }
        }
    ]
}