{
    "tender_id": 3064606,
    "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\": \"45100000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094965-2026\", \"buyer\": \"Bolsover District Council\", \"title\": \"Wielka Brytania – The Provision of Groundworks for 40 Dwellings at Mill Lane, Bolsover, Chesterfield\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45200000\"], \"location\": \"UKF12\", \"source_id\": \"ocds-h6vhtk-07833a\", \"deadline_at\": \"2026-11-06T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T17:11:43Z\", \"notice_number\": \"094965-2026\"}",
            "content_hash": "7b1379541277e683adc8ded2fbc6898a3d4b4ec9ae305e1a149b68225fcb9724",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e368e4169cf0e50a52817cada2a7e8ed421945ba1802c281bd811bd7ae706b89",
            "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": "2026-10-24T14:05:11Z",
            "content": "{\"cpv\": \"45100000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/094965-2026\", \"buyer\": \"Bolsover District Council\", \"title\": \"Wielka Brytania – Dostawa Prac Budowlanych Ziemi dla 40 Domów na terenie Mill Lane, Bolsover, Chesterfield\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45200000\"], \"location\": \"UKF12\", \"source_id\": \"ocds-h6vhtk-07833a\", \"deadline_at\": \"2026-11-06T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-07T17:11:43Z\", \"notice_number\": \"094965-2026\"}",
            "content_hash": "e1c71146f138eec0cd304a945a8c275bc2dedc3d02097321fca1a87a5e6c539e",
            "prev_hash": "e368e4169cf0e50a52817cada2a7e8ed421945ba1802c281bd811bd7ae706b89",
            "hash": "b8b8d9a346d413a05ec7171dbf79ae9b3b814678ce6f11e08252ef8b09aa5a4e",
            "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
            }
        }
    ]
}