Wanted to restore posts which I thought were federated... but apparently were not!?
A couple of days ago, I had posted a rapid succession of posts on my channel, which I thought had automatically got federated since with each of them I had turned on "Post to Hubzilla" (shouldn't this be the ActivityPub connector?)... (I haven't checked then whether they got federated. These were archival texts drawn from my extensive, impossible-to-automatically-import Facebook archive dump.)
Then I face a technical issue with my VPS and am forced to restore a backup of it from before the aforementioned posts.
Unsurprisingly, the more recent posts are missing. But to my horror, I checked the mirrors of my channel from other fediverse instances on which I have secondary accounts which follow my Hubzilla channel... and there were none of those recent posts.
How can this happen? How to make it more certain that specific or any and all channel posts will get federated? Am I missing something - like am I supposed to also click on "Post to