@labib they are as long as someone from mastodon.social follows someone on octodon.social.
They don't have to follow you in particular, but as long as there is one link between two instances they're counted as federated and the fed timeline has everything public from both. :)
@judges119 Ah, thanks for explaining that to me. The mechanic has interesting community moderation implications. I hope Mastodon grows enough for us to see those implications play out.