{
    "tender_id": 1054337,
    "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\": \"09000000\", \"url\": \"https://platformazakupowa.pl/transakcja/1372419\", \"buyer\": \"Krakowski Holding Komunalny S. A. w Krakowie\", \"title\": \"OZP-271-PN-22/2026 Najem pojazdów elektrycznych dla uczestników Krakowskiej Grupy Zakupowej\", \"region\": \"malopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [\"34144900\", \"60171000\"], \"location\": \"Polska\", \"source_id\": \"1372419\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-09-17T07:00:00Z\", \"notice_number\": \"1372419\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1372419\"}",
            "content_hash": "f40e65ca57b4008af51558b728c4ba33891a327cf0adfe60fa1cca2bfc370053",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "dd2c7ea6ad14892d14d9d9b6c0770c528455d575f6dbaaba0ced2259c2327df3",
            "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": "2026-10-30T21:21:01Z",
            "content": "{\"cpv\": \"09000000\", \"url\": \"https://platformazakupowa.pl/transakcja/1372419\", \"buyer\": \"Krakowski Holding Komunalny S. A. w Krakowie\", \"title\": \"OZP-271-PN-22/2026 Najem pojazdów elektrycznych dla uczestników Krakowskiej Grupy Zakupowej\", \"region\": \"malopolskie\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1372419\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-09-17T07:00:00Z\", \"notice_number\": \"1372419\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1372419\"}",
            "content_hash": "2d3a4cb2ad55e8cafa738b9f7d3d57e46efec0e02c9fdc60825fc01c3a4ce143",
            "prev_hash": "dd2c7ea6ad14892d14d9d9b6c0770c528455d575f6dbaaba0ced2259c2327df3",
            "hash": "6d0c0e9e1a1acbc5b97ea727940b925fa6837543f1e83f8cfa6a002c2491af5c",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}