{
    "tender_id": 3064264,
    "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\": \"73110000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097563-2026\", \"buyer\": \"Rail Safety Standards Board (RSSB)\", \"title\": \"Wielka Brytania – 1074032381 T1424 Passenger Rolling Stock Emergency Window Repair Procedures\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"ocds-h6vhtk-0788b3\", \"deadline_at\": \"2026-11-18T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-15T14:08:39Z\", \"notice_number\": \"097563-2026\"}",
            "content_hash": "1909a4aedcdb96ca95b66046a7415afacdbedc71d874cc3ccd5f66ecc51eb7b7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f53747342a1a0f62f2f446c269c451a58f5f38d96d0ba863b7666a3937a626f5",
            "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": "2026-10-24T14:02:53Z",
            "content": "{\"cpv\": \"73110000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/097563-2026\", \"buyer\": \"Rail Safety Standards Board (RSSB)\", \"title\": \"Wielka Brytania – 1074032381 T1424 Procedury naprawy okien awaryjnych w pojazdach szynowych przeznaczonych dla pasażerów\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"ocds-h6vhtk-0788b3\", \"deadline_at\": \"2026-11-18T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-15T14:08:39Z\", \"notice_number\": \"097563-2026\"}",
            "content_hash": "318a98c394b5d359c0c3fecec1dbc40f9db44ae52a5b42294b9c89771b812775",
            "prev_hash": "f53747342a1a0f62f2f446c269c451a58f5f38d96d0ba863b7666a3937a626f5",
            "hash": "d6ab73822366e82748e7c481aba30a0823e534d7ff25b8d67c662cc0ae6777e3",
            "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
            }
        }
    ]
}