Sahih al-Bukhari 1613
صحيح البخاري#1613SahihNarrated Ibn `Abbas:The Prophet (ﷺ) performed Tawaf of the Ka`ba riding a camel, and every time he came in front of the Corner (having the Black Stone), he pointed towards it with something he had with him and said Takbir
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: 25:99