{
    "tender_id": 3064809,
    "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\": \"39563530\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093236-2026\", \"buyer\": \"THE PIRBRIGHT INSTITUTE\", \"title\": \"Wielka Brytania – ISO11 Fumigation Lobby and Dedicated Air Handling Unit (AHU) - Retender\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45331200\", \"71247000\", \"71321400\", \"90924000\"], \"source_id\": \"ocds-h6vhtk-077f78\", \"deadline_at\": \"2026-11-13T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T10:32:54Z\", \"notice_number\": \"093236-2026\"}",
            "content_hash": "4a8d1d2754a7e896a27531241cf54489c818c59941a1686a17e522c7deeec7b6",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4091559640332f1b99b824bd945d5aecc8b03c9df2445bfb391f1ffb662e7ed1",
            "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": "2026-10-26T05:17:52Z",
            "content": "{\"cpv\": \"39563530\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/093236-2026\", \"buyer\": \"THE PIRBRIGHT INSTITUTE\", \"title\": \"Wielka Brytania – ISO11 – Fumigacja, Lobby i Jednostka Wentylacyjna (AHU) – Retender\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [\"45000000\", \"45331200\", \"71247000\", \"71321400\", \"90924000\"], \"source_id\": \"ocds-h6vhtk-077f78\", \"deadline_at\": \"2026-11-13T12:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-02T10:32:54Z\", \"notice_number\": \"093236-2026\"}",
            "content_hash": "1371a48870814772b0151323fba7aef71e952dd5560c594b88f8963d6cc6a7c1",
            "prev_hash": "4091559640332f1b99b824bd945d5aecc8b03c9df2445bfb391f1ffb662e7ed1",
            "hash": "bc931b5b6c88fa607d37753920af503cfd795dc6b1f1316c6bb7cde4c4aab775",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}