{
    "tender_id": 3907822,
    "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": "2026-10-29T06:54:00Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/101852-2026\", \"buyer\": \"London Borough of Southwark\", \"title\": \"Wielka Brytania – Mobility Installation, Repairs and Maintenance\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45300000\", \"45310000\", \"45313000\", \"45313100\", \"45313200\", \"45313210\", \"45400000\", \"45420000\", \"45421000\", \"45421100\", \"45421110\", \"45421111\", \"45421112\", \"45421120\", \"45421130\", \"45421131\", \"45421132\", \"45421140\", \"45421141\", \"45421142\", \"45421143\", \"45421144\", \"45421145\", \"45421146\", \"45421147\", \"45421148\", \"45421150\", \"45421151\", \"45421152\", \"45421153\", \"45421160\", \"45422000\", \"45422100\"], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-0791ec\", \"deadline_at\": \"2026-11-25T00:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-28T09:21:07Z\", \"notice_number\": \"101852-2026\"}",
            "content_hash": "bf0cfa4dc3c6c26222ebd6386ec715fcc5b70f02b402ce7365646a66a9916c24",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ab1d59df9018445e7f869b233e07661534f040de85398f1731e9410386c41d11",
            "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\": \"45000000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/101852-2026\", \"buyer\": \"London Borough of Southwark\", \"title\": \"Wielka Brytania – Instalacja, Naprawy i Konserwacja Mobilności\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45300000\", \"45310000\", \"45313000\", \"45313100\", \"45313200\", \"45313210\", \"45400000\", \"45420000\", \"45421000\", \"45421100\", \"45421110\", \"45421111\", \"45421112\", \"45421120\", \"45421130\", \"45421131\", \"45421132\", \"45421140\", \"45421141\", \"45421142\", \"45421143\", \"45421144\", \"45421145\", \"45421146\", \"45421147\", \"45421148\", \"45421150\", \"45421151\", \"45421152\", \"45421153\", \"45421160\", \"45422000\", \"45422100\"], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-0791ec\", \"deadline_at\": \"2026-11-25T00:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-28T09:21:07Z\", \"notice_number\": \"101852-2026\"}",
            "content_hash": "37e3ebcc02e45b9a81632f0e262d27ad4c7a298c9d1552588709045d152c47ab",
            "prev_hash": "ab1d59df9018445e7f869b233e07661534f040de85398f1731e9410386c41d11",
            "hash": "13335033c9d1aceea491a776e128f2b74ec401604fade610f8a268ce99995b70",
            "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
            }
        }
    ]
}