{
    "tender_id": 3064789,
    "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\": \"90900000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093393-2026\", \"buyer\": \"STAR ACADEMIES\", \"title\": \"Wielka Brytania – Star Academies - Building Cleaning Services - The Valley Leadership Academy\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"90910000\", \"90911200\", \"90919000\", \"90919200\", \"90919300\"], \"source_id\": \"ocds-h6vhtk-077fd5\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T13:14:22Z\", \"notice_number\": \"093393-2026\"}",
            "content_hash": "2c6f4ef7ba5512c62f428b3ce6783a6faa4df0a2c74dcf5091f6fb77e0bd39ed",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "616f1be0182c29edc26ae7c3500ff7c5ea872024b24e4579e18b1aefb2b0566f",
            "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": "2026-10-26T05:17:44Z",
            "content": "{\"cpv\": \"90900000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093393-2026\", \"buyer\": \"STAR ACADEMIES\", \"title\": \"Wielka Brytania – Star Academies – Usługi Sprzątania Budynku – The Valley Leadership Academy\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"90910000\", \"90911200\", \"90919000\", \"90919200\", \"90919300\"], \"source_id\": \"ocds-h6vhtk-077fd5\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T13:14:22Z\", \"notice_number\": \"093393-2026\"}",
            "content_hash": "7b9130d242a4bf7472d3e1511159d62ffa9da6ba51cd74e3d07bd6ef550c664b",
            "prev_hash": "616f1be0182c29edc26ae7c3500ff7c5ea872024b24e4579e18b1aefb2b0566f",
            "hash": "c8392ef8d7dad4d05f8b1a036420732213c1cba27492e51485897fbce5911d9c",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}