anchor.diff:  %% Public API
   %% ===================================================================
   
  +%% 719528 days from Jan 1, 0 to Jan 1, 1970
  +%%  *86400 seconds/day
  +-define(SEC_TO_EPOCH, 62167219200).
  +
   %% @spec moment() -> integer()
   %% @doc Get the current "moment".  Current implementation is the
   %%      number of seconds from year 0 to now, universal time, in
   %%      the gregorian calendar.
   
  -%% 719528 days from Jan 1, 0 to Jan 1, 1970
  -%%  *86400 seconds/day
  --define(SEC_TO_EPOCH, 62167219200).
   moment() -> 
       {Mega, Sec, _Micro} = os:timestamp(),
       (Mega * 1000000) + Sec + ?SEC_TO_EPOCH.
  
positive.code: 
  %% @spec chash_key(BKey :: riak_object:bkey()) -> chash:index()
  %% @doc Create a binary used for determining replica placement.
  chash_key({Bucket,Key}=BKey) ->
      BucketProps = riak_core_bucket:get_bucket(Bucket),
      chash_key(BKey, BucketProps).
      
  
negative.code:     compare_dates(rfc1123_to_now(A), B);
  compare_dates(A, B) when is_list(B) ->
      compare_dates(A, rfc1123_to_now(B)).
  
  rfc1123_to_now(String) when is_list(String) ->
      GSec = calendar:datetime_to_gregorian_seconds(
  