# File lib/ruote/id/wfid_generator.rb, line 48
    def get_raw

      lraw = @last['raw'] + 0.01

      raw = Time.now.utc
      raw = raw + 0.01 while raw.to_f <= lraw

      @last['raw'] = raw.to_f

      last = @context.storage.put(@last)

      if last
        #
        # put failed, have to re-ask
        #
        @last = last
        get_raw
      else
        #
        # put successful, we can build a new wfid
        #
        raw
      end
    end