anchor.diff:  % @doc Calculate the distance between two nodes in the routing table
   -spec rt_entry_distance(From :: rt_entry(), To :: rt_entry()) -> non_neg_integer().
   rt_entry_distance(From, To) ->
  -    get_range(node:id(rt_entry_node(From)), node:id(rt_entry_node(To))).
  +    get_range(id(rt_entry_node(From)), id(rt_entry_node(To))).
   
   % @doc Get all nodes within the routing table
   -spec rt_get_nodes(RT :: rt()) -> [rt_entry()].
  
positive.code: convergent_rt_reduction_ratio(RingSize) ->
      1 - math:pow(1 / RingSize, 4 / (maximum_entries() - 2)).
  
  -spec learn_on_forward(Issuer::node:node_type()) -> ok.
  learn_on_forward(Issuer) ->
      comm:send_local(self(), {?send_to_group_member, routing_table,
                               {rt_learn_node, Issuer}}).
  
negative.code:             end, Spacings)
      ),
      FilteredNode = rt_entry_node(FilterEntry),
      entry_delete(id(FilteredNode), RT)
      .
  
  % @doc Delete an entry from the routing table
  