Sahih al-Bukhari 1595
صحيح البخاري#1595SahihNarrated Ibn `Abbas:The Prophet (ﷺ) said, "As if I were looking at him, a black person with thin legs plucking the stones of the Ka`ba one after another
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: 25:81