anchor.diff:                                              OtherLeafCount, OtherItemsCount),
   
               RootNode = merkle_tree:get_root(MySyncStruct),
  -            SigSize = case merkle_tree:is_leaf(RootNode) of
  -                          true  -> NextSigSizeL;
  -                          false -> NextSigSizeI
  -                      end,
  -
  -            Req = merkle_compress_hashlist([RootNode], <<>>, SigSize, SigSize),
  -            send(DestReconPid, {?check_nodes, comm:this(), Req, SigSize}),
  +
  +            Req = merkle_compress_hashlist([RootNode], <<>>, NextSigSizeI, NextSigSizeL),
  +            MyLeafItemsCountDiff = MyLeafCount * BucketSize - MyItemCount,
  +            send(DestReconPid, {?check_nodes, comm:this(), Req, MyLeafCount, MyLeafItemsCountDiff}),
               State#rr_recon_state{stats = Stats1,
  -                                 misc = [{signature_size, {SigSize, SigSize}},
  +                                 misc = [{signature_size, {NextSigSizeI, NextSigSizeL}},
                                            {p1e, {P1E_I, P1E_L, P1ETotal}}],
                                    kv_list = []};
           false ->
  
positive.code:             MerkleV = merkle_tree:get_branch_factor(MySyncStruct),
              MerkleB = merkle_tree:get_bucket_size(MySyncStruct),
              P1ETotal = get_p1e(),
              {P1E_I, P1E_L} = merkle_next_p1e(MerkleV, P1ETotal),
  
              LeafCount = merkle_tree:get_leaf_count(MySyncStruct),
              ItemCount = merkle_tree:get_item_count(MySyncStruct),
  
negative.code:                              comm:make_global(OwnerL), SID,
                               {start_recon, merkle_tree, SyncParams}}),
              State#rr_recon_state{stats = Stats1, params = MySyncParams,
                                   misc = [{p1e, P1ETotal},
                                           {lcount, LeafCount},
                                           {icount, ItemCount}],
                                   kv_list = []}
      end;
  begin_sync(MySyncStruct, OtherSyncStruct,
  