Sahih al-Bukhari 1836
صحيح البخاري#1836SahihNarrated Ibn Buhaina:The Prophet, while in the state of Ihram, was cupped at the middle of his head at Liha-Jamal
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: 28:16