Community user bumps some old unanswered question from time to time. Is this activity shown somewhere?
Quite often it can happen that someone edits a post in order to improve it - since the questions had been bumped anyway. I did this recently at meta, when I check the timeline of that question, no activity by community user is shown there, my revision is shown the last activity. So, based on the timeline, it looks like I was the one to bump the question.
Is there a possibility how to find out that the question had indeed already been bumped by Community user?