{
    "tender_id": 3064112,
    "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\": \"39160000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/098483-2026\", \"buyer\": \"Yorkshire Purchasing Organisation\", \"title\": \"Wielka Brytania – Educational Tables (1349)\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-06ae91\", \"deadline_at\": \"2026-11-18T14:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-19T12:31:10Z\", \"notice_number\": \"098483-2026\"}",
            "content_hash": "9023b5bfcd42aa8736a5fe7f8b444d0b3bc54510a5631d586c040f5ad4a6d165",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7de8c81735616c70f1e8e9e3d2ac3e202bbed1aee8e5081ba50c6d99fcb4286c",
            "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": "2026-10-24T14:02:01Z",
            "content": "{\"cpv\": \"39160000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/098483-2026\", \"buyer\": \"Yorkshire Purchasing Organisation\", \"title\": \"Wielka Brytania – Stoły Edukacyjne (1349)\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UK\", \"source_id\": \"ocds-h6vhtk-06ae91\", \"deadline_at\": \"2026-11-18T14:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-19T12:31:10Z\", \"notice_number\": \"098483-2026\"}",
            "content_hash": "0cac0635e048f70b10e551bf744b7a821959ee188069dd92e4a23d6c42b108e1",
            "prev_hash": "7de8c81735616c70f1e8e9e3d2ac3e202bbed1aee8e5081ba50c6d99fcb4286c",
            "hash": "c5c089a9fcfbacf24f796cdc17e923a8f5d6ad5cdb4e1233ab362292cdf0a4b5",
            "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
            }
        }
    ]
}