pip install "git+https://github.com/SybilGambleyyu/citesure.git[pdf]"
citesure check refs.bib --used-in paper.tex
citesure check refs.bib --used-in paper.tex
Verify academic bibliographies against Crossref, doi.org, arXiv, PubMed/Europe PMC, Open Library, and CourtListener (US case law). Catch hallucinated citations, metadata drift, and retractions — before arXiv’s one-year ban or a coauthor does.