A method begins by a processing module receiving a dispersed storage network access request that includes a requester identifier, wherein the requester ID is associated with a certificate chain. A memory is employed which has a work area used upon recording of the picture data on the recording medium and reproduction therefrom, an attribute data storage are for storing the attribute data recorded on the recording medium and a shared storage area used for storing temporarily the picture data upon recording and reproduction. The sensor device further includes a sensing layer disposed directly or indirectly adjacent to the thin film membrane.