Sahih al-Bukhari 2987
صحيح البخاري#2987SahihNarrated `Urwa from Usama bin Zaid:Allah's Messenger (ﷺ) rode a donkey on which there was a saddle covered by a velvet sheet and let Usama ride behind him (on the donkey)
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: 56:196