{
    "tender_id": 3065133,
    "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\": \"31600000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/084430-2026\", \"buyer\": \"Wigan Council\", \"title\": \"Wielka Brytania – Wigan Electric Vehicle Charging Infrastructure (EVCI) Concession Contract\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"51100000\", \"31158000\", \"45310000\"], \"location\": \"UKD36\", \"source_id\": \"ocds-h6vhtk-065309\", \"deadline_at\": \"2026-11-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-09-07T12:47:21Z\", \"notice_number\": \"084430-2026\"}",
            "content_hash": "cfb25082460e2cdb44951b8ad2328b8be73c8ae7d349acebd97d740b59124099",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "897f60ab597ed1851338fc34a33151bbf6ff34b493e352b7cb521f9a6df4680c",
            "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": "2026-10-24T14:09:38Z",
            "content": "{\"cpv\": \"31600000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/084430-2026\", \"buyer\": \"Wigan Council\", \"title\": \"Wielka Brytania – Wigan Electric Vehicle Charging Infrastructure (EVCI) Concesja Umowa Ramowa\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"51100000\", \"31158000\", \"45310000\"], \"location\": \"UKD36\", \"source_id\": \"ocds-h6vhtk-065309\", \"deadline_at\": \"2026-11-30T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-09-07T12:47:21Z\", \"notice_number\": \"084430-2026\"}",
            "content_hash": "0c23cfc80ae58c5af7170f3fcb30b1fd08074e3af62f0d9f9fe9234bec2dba0e",
            "prev_hash": "897f60ab597ed1851338fc34a33151bbf6ff34b493e352b7cb521f9a6df4680c",
            "hash": "7b6e09c3df581b0711046264f8b8f58b5c842ad408c560a940d06407cca4986e",
            "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
            }
        }
    ]
}