Sahih al-Bukhari 6518
صحيح البخاري#6518SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "The people will fall down unconscious at the time when they should fall down (i.e., on the Day of Resurrection), and then I will be the first man to get up, and behold, Moses will be there holding (Allah's) Throne. I will not know whether he has been amongst those who have fallen unconscious
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 81:107