http://y5wnzwjd3zf5xlmo7v7ehdjltreizdaupjuloocytfgmiplpqyk2kbad.onion/2021.html
The next step for anonymizing connections would be making the capsule available via darknet links. I've read some guides to setting up Gemini to use Tor but it doesn't feel clean to me because I would have to have Doppio running twice since Doppio does not support vhost or having multiple host names.