{
    "tender_id": 3907793,
    "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": "2026-10-29T06:53:49Z",
            "content": "{\"cpv\": \"45233100\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/102071-2026\", \"buyer\": \"Denbighshire County Council\", \"title\": \"Wielka Brytania – Pwll y Grawys / Lenten Pool, Denbigh - Active Travel Improvements\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45233130\", \"45233210\", \"45200000\", \"71311220\"], \"location\": \"UKL13\", \"source_id\": \"ocds-h6vhtk-079159\", \"deadline_at\": \"2026-11-18T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-28T13:20:38Z\", \"notice_number\": \"102071-2026\"}",
            "content_hash": "fe50c289bda29b4f09b4c205f2d584d713026711e57931088f18e93b34cc2816",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f84aa9518177d30245a613b1b6d7d68d779b81ac6718f11d5f21c34b02762a53",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T08:14:37Z",
            "content": "{\"cpv\": \"45233100\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/102071-2026\", \"buyer\": \"Denbighshire County Council\", \"title\": \"Wielka Brytania – Pwll y Grawys / Lenten Pool, Denbigh – Poprawa bezpieczeństwa ruchu pieszego (Active Travel Improvements)\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45233130\", \"45233210\", \"45200000\", \"71311220\"], \"location\": \"UKL13\", \"source_id\": \"ocds-h6vhtk-079159\", \"deadline_at\": \"2026-11-18T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-28T13:20:38Z\", \"notice_number\": \"102071-2026\"}",
            "content_hash": "60ebe19d56540d25d4edff1dbf453a29c38f6f846e233ace77c8dd56394acc84",
            "prev_hash": "f84aa9518177d30245a613b1b6d7d68d779b81ac6718f11d5f21c34b02762a53",
            "hash": "61de7b3ab20894e1b89ef633c9f51fd7654242dc887150e073abba3bb43e76de",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}