anchor.diff:  %% @doc Insert a super-block into an object container (*.avs)
   %% @private
   put_super_block(ObjectStorageWriteHandler) ->
  -    case file:pwrite(ObjectStorageWriteHandler, 0, ?VS_SUPER_BLOCK) of
  +    case file:pwrite(ObjectStorageWriteHandler, 0, ?AVS_SUPER_BLOCK) of
           ok ->
               {ok, ObjectStorageWriteHandler};
           {error, Cause} ->
  
positive.code: -spec(compact_get(pid()) ->
               ok | {error, any()}).
  compact_get(ReadHandler) ->
      compact_get(ReadHandler, byte_size(?VS_SUPER_BLOCK)).
  
  -spec(compact_get(pid(), integer()) ->
               ok | {error, any()}).
  
negative.code:         ]).
  
  -define(ERR_TYPE_TIMEOUT, timeout).
  
  
  %% ------------------------ %%
  %%       AVS-Related
  %% ------------------------ %%
  -define(AVS_HEADER_VSN,     <<"vsn:2.1",13,10>>).
  -define(AVS_PART_OF_HEADER, <<"CHKSUM:128,KSIZE:16,BLEN_MSIZE:32,DSIZE:32,OFFSET:64,ADDRID:128,CLOCK:64,TIMESTAMP:56,DEL:8,BUF:496",13,10>>).
  -define(AVS_PART_OF_BODY,   <<"KEY/binary,DATA/binary",13,10>>).
  -define(AVS_PART_OF_FOOTER, <<"PADDING:64",13,10>>).
  -define(AVS_SUPER_BLOCK,     <<?AVS_HEADER_VSN/binary,
                                 ?AVS_PART_OF_HEADER/binary,
                                 ?AVS_PART_OF_BODY/binary,
                                 ?AVS_PART_OF_FOOTER/binary>>).
  %% ------------------------ %%
  -define(BLEN_CHKSUM,       128). %% chechsum (MD5)
  -define(BLEN_KSIZE,         16). %% key size
  -define(BLEN_MSIZE,         32). %% custome-metadata size
  -define(BLEN_DSIZE,         32). %% file size
  -define(BLEN_OFFSET,        64). %% offset
  -define(BLEN_ADDRID,       128). %% ring-address id
  -define(BLEN_CLOCK,         64). %% clock
  -define(BLEN_TS_Y,          16). %% timestamp-year
  -define(BLEN_TS_M,           8). %% timestamp-month
  -define(BLEN_TS_D,           8). %% timestamp-day
  -define(BLEN_TS_H,           8). %% timestamp-hour
  -define(BLEN_TS_N,           8). %% timestamp-min
  -define(BLEN_TS_S,           8). %% timestamp-sec
  -define(BLEN_DEL,            8). %% delete flag
  -define(BLEN_BUF,          496). %% buffer
  %% ----------------------------- %%
  -define(BLEN_HEADER,      1024). %% 128 Byte
  -define(LEN_PADDING,         8). %% footer
  %% ----------------------------- %%
  
  
  %%--------------------------------------------------------------------
  