[Handle-info] handle references usage question

[Konstantin Rekk <konstantin.rekk@gbv.de>]

Hi,

in http://hdl.handle.net/4263537/4068 there is a description of
references to another
handle values

 <reference>
      A 4-byte integer followed by a list of references to other handle
      values.  The integer specifies the number of references in the
      list.  Each reference in the list refers to another handle value
      in terms of a UTF8-string and a 4-byte integer (where the UTF8-
      string is the handle name and the integer is the value index).
      References are generally used to add credentials to the current
      handle value.  For example, a handle value may make itself more
      trust-worthy by referring to a digital signature issued by a
      commonly trusted entity.

It would be interesting to know where and how this feature is used
 or more about the intention behind it?

Thanks! 

Konstantin


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