{
    "tender_id": 3064612,
    "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\": \"44112500\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094938-2026\", \"buyer\": \"Hastoe HA\", \"title\": \"Wielka Brytania – MW2503 - Cholesbury Grange (Oxford) UPVC Window & door replacement with associated roofline component replacement\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"44221000\", \"44221100\", \"45421130\"], \"location\": \"UKJ14, UKJ1\", \"source_id\": \"ocds-h6vhtk-07832b\", \"deadline_at\": \"2026-11-17T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T15:54:11Z\", \"notice_number\": \"094938-2026\"}",
            "content_hash": "ee0b20f6b08852e04e4d87b33bb9530352c7e97477fdaeaf5a897f35f2c0a1d1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "efed937094d5c010ef81d4ad02c4c6ccfb51b731530bd73e4d597f60573468ca",
            "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": "2026-10-24T14:05:13Z",
            "content": "{\"cpv\": \"44112500\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094938-2026\", \"buyer\": \"Hastoe HA\", \"title\": \"Wielka Brytania – MW2503 – Cholesbury Grange (Oxford) Wymiana Okien i Drzwi PCV oraz Wymiana Elementów Dachu\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"44221000\", \"44221100\", \"45421130\"], \"location\": \"UKJ14, UKJ1\", \"source_id\": \"ocds-h6vhtk-07832b\", \"deadline_at\": \"2026-11-17T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T15:54:11Z\", \"notice_number\": \"094938-2026\"}",
            "content_hash": "2aca9bece12144c62977aab37aaf1c168e1fbd915118c8903043183b7773a212",
            "prev_hash": "efed937094d5c010ef81d4ad02c4c6ccfb51b731530bd73e4d597f60573468ca",
            "hash": "a076eec4c628f6887765bea0aefc681d7d2a607c406e9b97983f2fe2733b3420",
            "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
            }
        }
    ]
}