9. A method for creating a distinguishing identifier of a collection of data comprising a primary document and one or more auxiliary documents, comprising: digesting each auxiliary document to create a respective auxiliary document digest; and creating a distinguishing identifier by digesting a concatenation of the primary document with all auxiliary document digests.
9. A method for creating a distinguishing identifier of a collection of data comprising a primary document and one or more auxiliary documents, comprising: digesting each auxiliary document to create a respective auxiliary document digest; and creating a distinguishing identifier by digesting a concatenation of the primary document with all auxiliary document digests. 12. The method of claim 9 , wherein the primary document includes one or more references to the auxiliary documents, and wherein interpretation of the references causes content from the auxiliary documents to be displayed as part of the primary document.