1026 HDF5 1 Dataset HDF5 is a data model, library, and file format for storing and managing data. 1 Digital Preservation Department / The National Archives 01 Nov 2010 Following up external submission. Signature submitted by The Alfred Wegener Institute for Polar and Marine Research, Germany. 01 Nov 2010 fmt/286 PUID hdf File extension h5 File extension hdf5 File extension nc File extension 302 HDF5 1.0 HDF5 Header + Version 1 Absolute from BOF 0 894844460D0A1A0A01 Has lower priority than 1875 Silo