Following the end of the Arbital project, the site's content has been integrated into the LessWrong wiki system, ensuring it is preserved for posterity.
Among other goals, Arbital aimed to the best place on the Internet for explanations. It spawned a great number or excellent pages on AI Alignment and math. Some of the best pages of Arbital include: Bayes's Rule Guide, Logarithm Guide, and many AI alignment pages by Eliezer.
Arbital content is indicated with the Arbital theme color and logo.