Sahih al-Bukhari 1540
صحيح البخاري#1540SahihNarrated Salim from his father:I heard that Allah's Messenger (ﷺ) assumed Ihram with his hair matted together
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: 25:27