{
    "tender_id": 4334522,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-31T12:09:33Z",
            "content": "{\"cpv\": \"30213100\", \"url\": \"https://www.przetargi.egospodarka.pl/20051416801_Dostawa-sprzetu-komputerowego-na-potrzeby-jednostek-Politechniki-Opolskiej_2026_2.html\", \"buyer\": \"POLITECHNIKA OPOLSKA\", \"title\": \"Dostawa sprzętu komputerowego na potrzeby jednostek Politechniki Opolskiej\", \"region\": \"opolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"30236000\", \"30231300\", \"30213000\", \"30232140\"], \"location\": \"Opole\", \"source_id\": \"20051416801\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\"}",
            "content_hash": "485357770ec84bbbf5146712f40d51d4f5c567b763780a78220418d2ae73ae86",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4b6243a40c7d6c3629723460590c146481cc2c995873e7d904b9c8843840137a",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T12:45:31Z",
            "content": "{\"cpv\": \"30213100\", \"url\": \"https://www.przetargi.egospodarka.pl/20051416801_Dostawa-sprzetu-komputerowego-na-potrzeby-jednostek-Politechniki-Opolskiej_2026_2.html\", \"buyer\": \"POLITECHNIKA OPOLSKA\", \"title\": \"Dostawa sprzętu komputerowego na potrzeby jednostek Politechniki Opolskiej\", \"region\": \"opolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"30236000\", \"30231300\", \"30213000\", \"30232140\"], \"location\": \"Opole\", \"source_id\": \"20051416801\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401237\"}",
            "content_hash": "dd727f717089a3ba1d53903666687215b0984eefc2f7de38dc508bab389db261",
            "prev_hash": "4b6243a40c7d6c3629723460590c146481cc2c995873e7d904b9c8843840137a",
            "hash": "5fea09d2faf906e62d97e40563721fc3e047a8b19a7b829723de759bde59b340",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-10-31T15:33:07Z",
            "content": "{\"cpv\": \"30213100\", \"url\": \"https://www.przetargi.egospodarka.pl/20051416801_Dostawa-sprzetu-komputerowego-na-potrzeby-jednostek-Politechniki-Opolskiej_2026_2.html\", \"buyer\": \"POLITECHNIKA OPOLSKA\", \"title\": \"Dostawa sprzętu komputerowego na potrzeby jednostek Politechniki Opolskiej\", \"region\": \"opolskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [\"30236000\", \"30231300\", \"30213000\", \"30232140\"], \"location\": \"Opole\", \"source_id\": \"20051416801\", \"deadline_at\": \"2026-11-09T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-30T00:00:00Z\", \"procedure_url\": \"https://ezamowienia.gov.pl/mo-client-board/bzp/notice-details/id/08df368c-3ad5-839a-e2d6-6b000120b9c8\"}",
            "content_hash": "9b4f321188641d3525f7bc3e3002e66c4e6c51464603f2647ee09047cc555d33",
            "prev_hash": "5fea09d2faf906e62d97e40563721fc3e047a8b19a7b829723de759bde59b340",
            "hash": "584d224b52510d6709e4de784323781ef337998a9324f11a314ae5ec830fe195",
            "actor": null,
            "seal": null
        }
    ]
}