{
    "tender_id": 3367876,
    "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": "2026-10-26T09:54:40Z",
            "content": "{\"cpv\": \"66000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738738-2026\", \"buyer\": \"FOB\", \"title\": \"Dania – Usługi finansowe i ubezpieczeniowe – FOB - Forsikringsudbud\", \"source\": \"ted_dnk\", \"status\": \"active\", \"cpv_more\": [\"66515000\", \"66515100\", \"66515200\", \"66516000\"], \"location\": \"DNK, DNK\", \"source_id\": \"738738-2026\", \"deadline_at\": \"2026-11-23T22:59:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "61534d3516130b05e091fd730e5cb5c3780c2897cd400f6b3c629c4e3597354f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7ce7413bf7f0b58c451483f863422fe31110c05f2c0c0a8444b1bc4aac2260b6",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T23:17:46Z",
            "content": "{\"cpv\": \"66000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738738-2026\", \"buyer\": \"FOB\", \"title\": \"Dania – Usługi finansowe i ubezpieczeniowe – FOB - Ubezpieczenie ubezpieczeniowe\", \"source\": \"ted_dnk\", \"status\": \"active\", \"cpv_more\": [\"66515000\", \"66515100\", \"66515200\", \"66516000\"], \"location\": \"DNK, DNK\", \"source_id\": \"738738-2026\", \"deadline_at\": \"2026-11-23T22:59:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "05ffbc856032ce105165dbffbbdf548b1e3a46d7bd4b58013e17f728d3d89ed7",
            "prev_hash": "7ce7413bf7f0b58c451483f863422fe31110c05f2c0c0a8444b1bc4aac2260b6",
            "hash": "f6c6b2db9ec032666e96c141ec340b329472d3d8e52219181ff78bc3bc32399d",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}