http://mathsci.wikia.com/wiki/The_Haruhi_Problem ## Found because Famous Many co-authors (group): "Precision measurement of the top-quark mass in lepton+jets final states" https://arxiv.org/abs/1405.1756 "Fake" creator: Bourbaki "Fake" works: John Bohanon sting operations, previous scandals ## Found in Testing Imports Two releases, same work (actually same release?): Freiheit für Nutzer, nicht für Software 10.14361/transcript.9783839420362.366 10.14361/9783839428351-056 May also have link via crossref metadata? Fun ellen examples: Just-in-time databases and the World-Wide Web 10.1145/288627.288638 Two different versions of PDF found, same URL Actual ORCID match: 10.1002/cfg.158 0000-0002-4447-5978 Fulltext via CORE publisher-connector: 10.1186/s12889-016-2706-9 Fake/example DOI: 10.5555/12345678 ORCID: 0000-0002-1825-0097 ISSN (invalid?): 0264-3561 We have fulltext via long-tail; only Google also has a copy: ON DECOMPOSITIONS OF THE IDENTITY OPERATOR INTO A LINEAR COMBINATION OF ORTHOGONAL PROJECTIONS http://mfat.imath.kiev.ua/article/?id=543 2010, open access Institute of Mathematics NAS of Ukraine "arXiv overlay journal" sha1=0d39d932aad191fe8ed07572d96260ee4fad26aa ## Missing "ACE: A Novel Software Platform to Ensure the Integrity [...]" "Periods of Twenty-five Variable Stars in the Small Magellanic Cloud" by Leavitt, Henrietta => shows as a chapter, not the original paper => in google scholar as "Periods of 25 Variable Stars in the Small Magellanic Cloud.", as well as several other harvard.edu results "Browser history re:visited" => no DOI; conference proceeding => in google scholar => random un-published version at https://www.spinda.net/; "The copy of the paper hosted here has been updated to reflect [...]"