code: def timestamp_long_from_uuid(uuid_arg):
      
      if isinstance(uuid_arg, str):
          uuid_arg = UUID(uuid_arg)
      assert isinstance(uuid_arg, UUID), uuid_arg
      uuid_time = uuid_arg.time
      return uuid_time - 0x01B21DD213814000
docs: Returns an integer value representing a unix timestamp in tenths of microseconds.
  
      :param uuid_arg:
      :return: Unix timestamp integer in tenths of microseconds.
      :rtype: int