{
    "tender_id": 3984535,
    "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": "2026-10-29T16:49:00Z",
            "content": "{\"cpv\": \"71223000\", \"url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105225/zakup-wraz-z-dostawa-1szt-wiertarka-stolowa-kolumnowa-moc-3570-w\", \"buyer\": \"PKP CARGOTABOR SP. Z O.O. W RESTRUKTURYZACJI\", \"title\": \"Zakup wraz z dostawą : 1szt. wiertarka stołowa kolumnowa moc 3570 W\", \"region\": \"slaskie\", \"source\": \"pkpcargo_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ŚLĄSKIE\", \"source_id\": \"105225\", \"deadline_at\": \"2026-11-30T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:30:00Z\"}",
            "content_hash": "f7ee6106ac3679933b619a35ba6e29dbee9e419e949282b4e887f4202308f48e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "ff1cc95455cd4de9fee775785cebe94ed9db1776b5324758ac30c46480303c7c",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T01:45:39Z",
            "content": "{\"cpv\": \"71223000\", \"url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105225/zakup-wraz-z-dostawa-1szt-wiertarka-stolowa-kolumnowa-moc-3570-w\", \"buyer\": \"PKP CARGOTABOR SP. Z O.O. W RESTRUKTURYZACJI\", \"title\": \"Zakup wraz z dostawą : 1szt. wiertarka stołowa kolumnowa moc 3570 W\", \"region\": \"slaskie\", \"source\": \"pkpcargo_eb2b\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"ŚLĄSKIE\", \"source_id\": \"105225\", \"deadline_at\": \"2026-11-30T10:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T08:30:00Z\", \"procedure_url\": \"https://ezakupy.pkpcargo.com/open-preview-auction.html/105225/zakup-wraz-z-dostawa-1szt-wiertarka-stolowa-kolumnowa-moc-3570-w\"}",
            "content_hash": "27c308aa1c34d99996861778db5516184c15d4d5ec1934abe07c6e47d438a82c",
            "prev_hash": "ff1cc95455cd4de9fee775785cebe94ed9db1776b5324758ac30c46480303c7c",
            "hash": "cfa2bbbf18c3f43f42b874d2f7798c690f330d3d15588292b8d89a754c9f7a85",
            "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
            }
        }
    ]
}