Since people who wind up in this thread are probably looking for it… there’s still https://guro.cx and doing well (from the admin at the end of 2022): I secured a large source of funding from the Network Security Service (Kolyma NSS) to go towards expanding GUROchan’s outreach, primarily aimed at capturing back the stunningly large amount of people who, after 2 years, are still not aware that GUROchan came back in 2021.
Oh… I see… need to learn more about how this works. I thought the federated model was to publish a public RSS or similar that let anyone find the content.