Very unrelated to the article, but I think 'arXiv' as a brand is bad, and really detrimental to what the institution aims to accomplish. That is, it's not readily parseable, it really gives an insider term vibe - like this isn't for you if you don't already know what it means or how you should read or say it. It sort of reminds me of the overuse of latin and latinate terms generally in the old professions and, well,…
The original service didn't even have a name, only a description, and it was amusingly hosted at xxx.lanl.gov. But LANL wasn't really interested in it, and the founder eventually left for Cornell. At that point, the service needed a domain name, but archive.org was already taken.
And besides, the name has Ancient Greek influences. A similar Latinate term might be something like "archive".