https://cxidb.org/data/246/mfxl1035323/calib/Epix100a::CalibV1/MfxEndstation.0:Epix100a.1/pixel_gain/0-end.data
https://cxidb.org/data/246/mfxl1035323/calib/Epix100a::CalibV1/MfxEndstation.0:Epix100a.1/pixel_gain/HISTORY