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The Thing About DOI

With Library of Congress sometime back (Feb. ’08) announcing LCCN Permalinks and NLM also (Mar. ’08) introducing simplified web links with its PubMed identifier one might be forgiven for wondering what is the essential difference between a DOI name and these (and other) seemingly like-minded identifiers from a purely web point of view. Both these identifiers can be accessed through very simple URL structures:


This is a companion discussion topic for the original entry at https://0-www.crossref.org.libcat.lafayette.edu/blog/the-thing-about-doi/