{
    "tender_id": 3063784,
    "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\": \"77314000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100583-2026\", \"buyer\": \"Habinteg Housing Association Limited\", \"title\": \"Wielka Brytania – Procurement for Communal Cleaning, Grounds Maintenance and Window Cleaning in Central and East of England (Habinteg)(Split into Lots)\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"90911000\"], \"location\": \"UKH\", \"source_id\": \"ocds-h6vhtk-078bd9\", \"deadline_at\": \"2026-11-25T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T13:43:00Z\", \"notice_number\": \"100583-2026\"}",
            "content_hash": "0a029432a352cb99217e35c0dda621c8c1a21ac35f8ce182eff781ccf750aa7c",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "79f1567acbb14523a3691b1e053881451a5a0e77cc7b8c53698d1dd258fe8a5d",
            "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": "2026-10-24T14:00:12Z",
            "content": "{\"cpv\": \"77314000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100583-2026\", \"buyer\": \"Habinteg Housing Association Limited\", \"title\": \"Wielka Brytania – Utrzymanie Ruchu w Systemie Sprzątacznym, Koszeniu Siekiery i Czyszczeniu Okien w Centralnej i Wschodniej Anglii (Habinteg) (Podział na Części)\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"90911000\"], \"location\": \"UKH\", \"source_id\": \"ocds-h6vhtk-078bd9\", \"deadline_at\": \"2026-11-25T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T13:43:00Z\", \"notice_number\": \"100583-2026\"}",
            "content_hash": "42029673b7bb67111bb9af87a64d5e6e15f14ec733dd5056697c8724848b9672",
            "prev_hash": "79f1567acbb14523a3691b1e053881451a5a0e77cc7b8c53698d1dd258fe8a5d",
            "hash": "ae456cf5da3469517ee23a0c0f0b5c7920e9ca6315709aec807382b9b13cfac1",
            "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
            }
        }
    ]
}