A presentation given at Connect 2017 described thus and Princeton University Library has spent the last two years developing Plum as a staff-only ingest platform for books, manuscripts, geo-spatial data, and archived ephemera. This talk would go through a history of the design goals, the successes we've had, the problems we've run into, and a look into the future.
A workshop given at Samvera Connect 2017 described thus and Workshop going over the interface, configuration, patterns, and interaction points for using Valkyrie, a library to enable persisting metadata and files into a variety of different backends with a common interface.