- Discussion resurfaced around pdfparanoia, a tool that strips hidden watermarks and tracking artifacts from academic PDFs before redistribution, with a Reddit thread (https://www.reddit.com/r/scihub/s/sw7VaJxlee) cited as the only remaining public reference.  
- A theory was shared that Sci-Hub’s access to paywalled literature is partly sustained by scientists voluntarily handing over their institutional login credentials, leading to a small set of accounts exhibiting abnormally high download volumes.