We should be able to add arXiv papers by number, e.g., bibsearch add arXiv://1712.05690. ArXiv doesn't auto-generate bibtex files but we could, using the API to get the authors, title, and date.
This was added in commit 90156b09cd92b48e0268703d62e548c279483a81 via a top-level arxiv command. There is no arxiv:// resource yet, and I'm not sure if we'll add it.
We should be able to add arXiv papers by number, e.g.,
bibsearch add arXiv://1712.05690
. ArXiv doesn't auto-generate bibtex files but we could, using the API to get the authors, title, and date.