Sahih al-Bukhari 1609
صحيح البخاري#1609SahihNarrated Salim bin `Abdullah that his father said:"I have not seen the Prophet (ﷺ) touching except the two Yemenite Corners (i.e. the ones facing Yemen)
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: 25:95