anchor.diff:      % Marks that the record's effective relations are not up to date.
       bottom_up_dirty = true :: boolean()
   }).
  -
   
   %% This record defines a provider who support spaces and can be reached via url
   -record(od_provider, {
  
positive.code:     users = [] :: [binary()]
  }).
  
  
  % Info about identities, which are owned by this OZ
  -record(owned_identity, {
      id :: undefined | identity:id(),
  
negative.code:     name = <<"">> :: binary(),
      email_list = [] :: [binary()]
  }).
  
  %%%===================================================================
  %%% Records synchronized via subscriptions
  %%%===================================================================
  
  % Records starting with prefix od_ are special records that represent entities
  % in the system and are synchronized to providers via subscriptions.
  