{
    "tender_id": 3361682,
    "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": "2026-10-26T09:40:07Z",
            "content": "{\"cpv\": \"33192230\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739166-2026\", \"buyer\": \"Všeobecná fakultní nemocnice v Praze\", \"title\": \"Czechy – Stoły operacyjne – Plynové podpěry k operačnímu stolu\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"CZ010, CZE, CZ010, CZE\", \"source_id\": \"739166-2026\", \"deadline_at\": \"2026-11-24T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "480d41567d9d7c937e5f88cc5bf5b9db8264d7bdf632eae0f198263c2b558187",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f0fa155a7866080a810a8bd9624e1a4ddffc3ed00c14e584b08ab7978162e0cf",
            "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": "2026-10-26T23:17:15Z",
            "content": "{\"cpv\": \"33192230\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739166-2026\", \"buyer\": \"Všeobecná fakultní nemocnice v Praze\", \"title\": \"Czechy – Stoły operacyjne – Podpory gazowe do stołu operacyjnego\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"CZ010, CZE, CZ010, CZE\", \"source_id\": \"739166-2026\", \"deadline_at\": \"2026-11-24T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "ca528ec046e8688d2237f7405be9d2f7ef97c3fe92f852e484f3650061030ebb",
            "prev_hash": "f0fa155a7866080a810a8bd9624e1a4ddffc3ed00c14e584b08ab7978162e0cf",
            "hash": "ee9772772639bd145c8f2249939485c4a5238825e92f5924b53736c36bb7b29b",
            "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
            }
        }
    ]
}