{
    "tender_id": 3724281,
    "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": "2026-10-28T04:54:07Z",
            "content": "{\"cpv\": \"09100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857221/rfp-na-dostawe-napedow-powrotnych-i-pokretnych-do-lokomotyw-\", \"buyer\": \"PKP CARGO S.A. W RESTRUKTURYZACJI\", \"title\": \"RFP na dostawę napędów powrotnych i pokrętnych do lokomotyw.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857221\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:08Z\"}",
            "content_hash": "8e7bc9a5792ac5535ab97599bed11498414e654097771ab989717b9d12064ce3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3f89ccf778b2185dc288b22ef97c42732a6b8400e0b9adc8c6e36c88090657f4",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T05:45:48Z",
            "content": "{\"cpv\": \"09100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857221/rfp-na-dostawe-napedow-powrotnych-i-pokretnych-do-lokomotyw-\", \"buyer\": \"PKP CARGO S.A. W RESTRUKTURYZACJI\", \"title\": \"RFP na dostawę napędów powrotnych i pokrętnych do lokomotyw.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857221\", \"deadline_at\": \"2026-11-03T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:08Z\", \"procedure_url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105194/rfp-na-dostawe-napedow-powrotnych-i-pokretnych-do-lokomotyw\"}",
            "content_hash": "e3246589589eb06ae013f453c9ba51ae3d0f0787247c24489fea0acb6a823172",
            "prev_hash": "3f89ccf778b2185dc288b22ef97c42732a6b8400e0b9adc8c6e36c88090657f4",
            "hash": "9cdd1a7f6ab71f3f721cc750a21237a9343896c1113197ed77ce9b655f0a7ffd",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        }
    ]
}