Can anyone recommend a good article or video explaining how ActivityPub works on a technical level? I understand the concept, but I’m interested how the protocol actually works (I am studying CS for context).
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Activitypub uses ordinary web protocols like https to make requests between servers. It’s all quite simple.
This document is quite detailed: https://www.w3.org/TR/activitypub/
Thanks, it is indeed quite simple. I guess the part that confused me was how lemmy communities are modeled. Apparently, they are just actors of type group and submitting a post is simply sending an activity to the group and its followers. So, the email comparison makes sense after all.
