{
    "tender_id": 3064793,
    "check": {
        "ok": true,
        "versions": 1,
        "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\": \"45000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093372-2026\", \"buyer\": \"Bolton Metropolitan Borough Council\", \"title\": \"Wielka Brytania – Bolton Urban Cricket Centre\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKD3\", \"source_id\": \"ocds-h6vhtk-077fc5\", \"deadline_at\": \"2026-11-02T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T12:53:02Z\", \"notice_number\": \"093372-2026\"}",
            "content_hash": "bf129cef7e03339de434d4565edda20bc42fd9af287b36f059356fd599dfd5c1",
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            "actor": null,
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                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
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}