{
    "tender_id": 3064875,
    "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\": \"50610000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/092622-2026\", \"buyer\": \"Loreburn Housing Association\", \"title\": \"Wielka Brytania – Maintenance and Repair of CCTV, Door Entry & Fire Alarm Systems 2026-2028\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"50000000\", \"92222000\", \"31625200\", \"31625100\", \"44221200\"], \"location\": \"UKM92, Dumfries and Galloway\", \"source_id\": \"ocds-h6vhtk-077e2c\", \"deadline_at\": \"2026-10-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-01T07:37:45Z\", \"notice_number\": \"092622-2026\"}",
            "content_hash": "b0b7deca5154b059d83a1929e1ee2a4685afc1166ef926c42b5903143529ed68",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "604555ba7f852fdf911fd62e129e5525352259aa156d08981fcfb3c257ecec0b",
            "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": "2026-10-24T14:06:53Z",
            "content": "{\"cpv\": \"50610000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/092622-2026\", \"buyer\": \"Loreburn Housing Association\", \"title\": \"Wielka Brytania – Konserwacja i naprawa systemów CCTV, wejść i alarmów przeciwpożarowych 2026-2028\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"50000000\", \"92222000\", \"31625200\", \"31625100\", \"44221200\"], \"location\": \"UKM92, Dumfries and Galloway\", \"source_id\": \"ocds-h6vhtk-077e2c\", \"deadline_at\": \"2026-10-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-01T07:37:45Z\", \"notice_number\": \"092622-2026\"}",
            "content_hash": "fb0e4a2308ae3caa0ea67d98dfafb95828bd3cd0ec573710f6b5c41369237d90",
            "prev_hash": "604555ba7f852fdf911fd62e129e5525352259aa156d08981fcfb3c257ecec0b",
            "hash": "a66287465cccfc3cdd3ceeb506db33e386a0f523f8f2bc6391da16c24a0f9bc4",
            "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
            }
        }
    ]
}