gistfile1.json

If opsc created these backups, there should be no problem, if the customer did something manual, then there is a problem.
This file will be found in a directory structure that looks something like this
/phil-lwc/snapshots/63c75f99-17e1-4b18-b4c7-43b474940192/opscenter_adhoc_2014-12-17-20-22-57-UTC/backup.json
  |                            |                                            |
  bucket name                  |                                      snapshot name
                              cassandra host id unique to each node

{
    "checksums": {
        "OpsCenter-events-jb-1-CompressionInfo.db": "3748e83735796d180be2592e46cebf14",
        "OpsCenter-events-jb-1-Data.db": "c8c8ad99e40f6a7304517a4645996b49",
        "OpsCenter-events-jb-1-Filter.db": "9d6d8a2d96f10d8ad776fce095c1c636",
        "OpsCenter-events-jb-1-Index.db": "433c26b20487011feae2de3f817d9a4f",
        "OpsCenter-events-jb-1-Statistics.db": "658d8c505a921a771a44a47813f47813",
        "OpsCenter-events-jb-1-Summary.db": "4317607b96715d658cb83f14c304030b",
        "OpsCenter-events_timeline-jb-1-CompressionInfo.db": "9e768387eee9ed6a8387d0f3735aa7b1",
        "OpsCenter-events_timeline-jb-1-Data.db": "86aea3373b966a6c2fc791bc1741bf66",
        "OpsCenter-events_timeline-jb-1-Filter.db": "bd9ce853213f33f16e8cfdfa30542ce0",
        "OpsCenter-events_timeline-jb-1-Index.db": "607202a9e4012c4d3ffec05b9d681f24",
        "OpsCenter-events_timeline-jb-1-Statistics.db": "fd9cb0e6dfc9751b88a399fb7fbc6fef",
        "OpsCenter-events_timeline-jb-1-Summary.db": "89008024f6804ef3ad99f95e07a6786d",
        "OpsCenter-pdps-jb-1-CompressionInfo.db": "aa7a4987a9ebc4890b6b4dea9e86b468",
        "OpsCenter-pdps-jb-1-Data.db": "35bd8a37ee47cdf6dc614b7ad47b3ae0",
        "OpsCenter-pdps-jb-1-Filter.db": "f41514ab8e6419d7edab4c7a28329417",
        "OpsCenter-pdps-jb-1-Index.db": "5a96c295d6e530b0272a493dde7d5405",
        "OpsCenter-pdps-jb-1-Statistics.db": "de0cd7f7a1b4c172f2a656cd6fb176a8",
        "OpsCenter-pdps-jb-1-Summary.db": "8d3712049cf23af18c1539d2fca368ed",
        "OpsCenter-rollups300-jb-1-CompressionInfo.db": "f81799120d4f4d112386105b035ba15c",
        "OpsCenter-rollups300-jb-1-Data.db": "db7158db785e40b7b19a45af0cee5d09",
        "OpsCenter-rollups300-jb-1-Filter.db": "b597c11b49ab902b4a785dbb74a8b2fa",
        "OpsCenter-rollups300-jb-1-Index.db": "f60770a7295b2ddc6def709683231f17",
        "OpsCenter-rollups300-jb-1-Statistics.db": "082285c1a0c543041c6ad65288aba355",
        "OpsCenter-rollups300-jb-1-Summary.db": "fc45840e0304edf0c2a5e4da259de91f",
        "OpsCenter-rollups60-jb-1-CompressionInfo.db": "79f9b9c7f49f809c28caf312062d0f59",
        "OpsCenter-rollups60-jb-1-Data.db": "4765fc9aeb91db4f85f2348f8920292c",
        "OpsCenter-rollups60-jb-1-Filter.db": "b597c11b49ab902b4a785dbb74a8b2fa",
        "OpsCenter-rollups60-jb-1-Index.db": "780e1f7a5ef3f570e1297b5142b292a9",
        "OpsCenter-rollups60-jb-1-Statistics.db": "70caa65524e469f8b9f4798e2d4a1cc6",
        "OpsCenter-rollups60-jb-1-Summary.db": "fc45840e0304edf0c2a5e4da259de91f",
        "OpsCenter-settings-jb-1-CompressionInfo.db": "8209d725df80d885bc270885c7e64c5b",
        "OpsCenter-settings-jb-1-Data.db": "9ce0bc437169ad6914bfb81d598d8f4b",
        "OpsCenter-settings-jb-1-Filter.db": "7b93373a45770a043bf68666fd87544c",
        "OpsCenter-settings-jb-1-Index.db": "e7c2afdbc5e95511035693903d15797e",
        "OpsCenter-settings-jb-1-Statistics.db": "24dc24b68be4bc2b90bd546e5d037eda",
        "OpsCenter-settings-jb-1-Summary.db": "884d48185ae779daa10c2897ca5e696d"
    },
    "compressed": false,
    "date": "2014-12-17T20:22:57.000Z",
    "keyspaces": {
        "OpsCenter": [
            "bestpractice_results",
            "events",
            "backup_reports",
            "rollups300",
            "events_timeline",
            "pdps",
            "rollups86400",
            "rollups7200",
            "rollups60",
            "settings"
        ]
    },
    "name": "opscenter_adhoc_2014-12-17-20-22-57-UTC",
    "sstables": [
        "OpsCenter-settings-jb-1-Index.db",
        "OpsCenter-settings-jb-1-Statistics.db",
        "OpsCenter-settings-jb-1-CompressionInfo.db",
        "OpsCenter-settings-jb-1-Data.db",
        "OpsCenter-settings-jb-1-Summary.db",
        "OpsCenter-settings-jb-1-Filter.db",
        "OpsCenter-events_timeline-jb-1-Data.db",
        "OpsCenter-events_timeline-jb-1-Summary.db",
        "OpsCenter-events_timeline-jb-1-Filter.db",
        "OpsCenter-events_timeline-jb-1-Statistics.db",
        "OpsCenter-events_timeline-jb-1-Index.db",
        "OpsCenter-events_timeline-jb-1-CompressionInfo.db",
        "OpsCenter-rollups60-jb-1-CompressionInfo.db",
        "OpsCenter-rollups60-jb-1-Summary.db",
        "OpsCenter-rollups60-jb-1-Filter.db",
        "OpsCenter-rollups60-jb-1-Statistics.db",
        "OpsCenter-rollups60-jb-1-Index.db",
        "OpsCenter-rollups60-jb-1-Data.db",
        "OpsCenter-pdps-jb-1-Summary.db",
        "OpsCenter-pdps-jb-1-Data.db",
        "OpsCenter-pdps-jb-1-Index.db",
        "OpsCenter-pdps-jb-1-CompressionInfo.db",
        "OpsCenter-pdps-jb-1-Statistics.db",
        "OpsCenter-pdps-jb-1-Filter.db",
        "OpsCenter-rollups300-jb-1-Statistics.db",
        "OpsCenter-rollups300-jb-1-Index.db",
        "OpsCenter-rollups300-jb-1-Summary.db",
        "OpsCenter-rollups300-jb-1-Data.db",
        "OpsCenter-rollups300-jb-1-CompressionInfo.db",
        "OpsCenter-rollups300-jb-1-Filter.db",
        "OpsCenter-events-jb-1-CompressionInfo.db",
        "OpsCenter-events-jb-1-Summary.db",
        "OpsCenter-events-jb-1-Filter.db",
        "OpsCenter-events-jb-1-Statistics.db",
        "OpsCenter-events-jb-1-Data.db",
        "OpsCenter-events-jb-1-Index.db"
    ]
}