DBJ puts random IDs in his papers and uses that that as a persistent (work) identifier. An example from http://cr.yp.to/bib/documentid.html http://cr.yp.to/bib

DBJ puts random IDs in his papers and uses that that as a persistent (work) identifier. An example from http://cr.yp.to/bib/documentid.html http://cr.yp.to/bib/documentid.html > Date: 2004.04.02. Permanent ID of this document: 46d904d0613f360904e88a85dcdaa52b. > When I cite a paper with a document ID, I list the paper's document ID in the bibliography entry: > [7] Daniel J. Bernstein. Sharper ABC-based bounds for congruent polynomials. Journal de Theorie des Nombres de Bordeaux, to appear. ISSN 1246-7405. Document ID: 1d9e079cee20138de8e119a99044baa3. URL: http://cr.yp.to/papers.html#abccong http://cr.yp.to/papers.html#abccong. Date: 2004.02.10. > The idea is that, even if the URL changes for some (probably bad) reason, you can still search the Internet for the words > Permanent ID of this document: 46d904d0613f360904e88a85dcdaa52b