anchor.diff:                                  Acc,
                                   [#object{
                                       name=Name,
  -                                    date=iso8601:format(Date),
  +                                    date=iso8601:format(UTC),
                                       size=Size
                                      }]
                                  );
  
positive.code:                 {ok, Md5} ->
                      case file:read_file_info(Filename) of
                          {ok, #file_info{mtime=Date, size=Size}} ->
                              {ok, #object{name=Path,
                                           date=Date,
                                           size=Size,
                                           digest=Md5}};
                          Any -> Any
  
negative.code:     {ok, Files} = file:list_dir(Dir), %% crash if no access to base dir
      lists:map(fun(P) -> %% crash if no access to any bucket dir
                        {ok, #file_info{ctime=Date}} =
                            file:read_file_info(P),
                        [UTC|_] = %% FIXME This is a hack until R15B
                            calendar:local_time_to_universal_time_dst(Date),
                        #bucket{ name=filename:basename(P),
                                 date=iso8601:format(UTC) }
                end,
                lists:filter(fun filelib:is_dir/1,
                             lists:map(fun(F) ->
  