code: def update_identity(self):
          
  
          fr = self.record
  
          d = fr.unpacked_contents
  
          d['identity'] = self._dataset.identity.ident_dict
          d['names'] = self._dataset.identity.names_dict
  
          fr.update_contents(msgpack.packb(d), 'application/msgpack')
docs: Update the identity and names to match the dataset id and version