arXiv is not word-wrapping long bibliography entries the way Overleaf and my local installation do, for precisely the same Minimum Working Example - TeX - LaTeX Stack Exchange
How to Cite in LaTeX
Overleaf - LaTeX and BibTeX - Library Guides at University of Melbourne
bibtex issue -- get errors in Overleaf - TeX - LaTeX Stack Exchange
Creating and Managing Bibliographies with BibTeX on Overleaf - Overleaf, Online LaTeX Editor