“How Long Before Superintelligence?” (1998) states a prediction by Nick Bostrom: “the required computational power will be reached”; horizon as stated: sometime between 2004 and 2008, depending on whether we assume a doubling time of 12 or 18 months. The record says nothing about whether the event happened.

One recorded claim. The claim panel gives its qualification, the source passages with their place in each source, and how it was checked.