our arXiv Dark Archive (also nicknamed #darxiv ) is now based on an offiical agreement between Cornell and @tibhannover 🎉 additional safeguarding of arXiv is guaranteed through the digital preservation service of Portico!
Read more on this in the statement shared by arxiv today here:

https://blog.arxiv.org/2026/02/03/arxiv-future-proofs-access-to-research-with-third-party-digital-preservation/