Stack Exchange: public post inventory

112 questions · 124 answers · 23 communities

This inventory links every public question and answer returned on 19 September 2026 for the 46 community accounts associated with my Stack Exchange network account. Of those communities, 23 had authored public posts and 23 had registrations without any returned posts.

The official Stack Exchange API supplied ownership, dates and links. All question and answer result pages were retrieved, and all answer titles resolved. Deleted or otherwise non-public posts, comments, edits and per-site meta activity are outside this inventory.

Start with the selected questions and answers for a shorter route through the subjects.

Communities with public authored posts
CommunityQuestionsAnswers
Physics Stack Exchange5076
Stack Overflow2622
Mathematics Stack Exchange65
MathOverflow63
Cross Validated24
Science Fiction & Fantasy Stack Exchange41
Server Fault40
Ask Different31
Mathematics Educators Stack Exchange31
Artificial Intelligence Stack Exchange21
Ask Ubuntu02
User Experience Stack Exchange20
Data Science Stack Exchange02
Webmasters Stack Exchange10
Information Security Stack Exchange10
Database Administrators Stack Exchange01
Mi Yodeya01
Academia Stack Exchange01
Space Exploration Stack Exchange10
Astronomy Stack Exchange10
Puzzling Stack Exchange01
Worldbuilding Stack Exchange01
History of Science and Mathematics Stack Exchange01
Registered communities with no public questions or answers returned

Super User; Meta Stack Exchange; Arqade; Geographic Information Systems Stack Exchange; English Language & Usage Stack Exchange; Unix & Linux Stack Exchange; Software Engineering Stack Exchange; Electrical Engineering Stack Exchange; Android Enthusiasts Stack Exchange; Code Review Stack Exchange; Code Golf Stack Exchange; Travel Stack Exchange; History Stack Exchange; Bricks; Spanish Language Stack Exchange; Mathematica Stack Exchange; Computer Science Stack Exchange; Chess Stack Exchange; Reverse Engineering Stack Exchange; Earth Science Stack Exchange; Stack Overflow en español; Retrocomputing Stack Exchange; Internet of Things Stack Exchange.

A registration by itself is not evidence of participation in a discussion.