Some people have already commented how to find it.
However, on a tangential note: last I heard, they stopped adding new papers due to a trial in India, but I never found out the outcome of that. Anyone has news about this, or did I dream it?
I used one in the past week but tbh I didn't notice which one. I just had the Firefox add-on find a pdf from its doi.
Scihub still lacks recent papers. Use Nexus bot instead
@science_nexus3_bot
Install telegram and add this bot
This.
Also, without telegram you can check https://libstc.cc/
Thank you for sharing. It's very convenient and useful. 🥰🥰