Sahih al-Bukhari 1710
صحيح البخاري#1710SahihNarrated Nafi`:`Abdullah (bin `Umar), used to slaughter (his sacrifice) at the Manhar. ('Ubaidullah, a sub-narrator said, "The Manhar of Allah's Messenger (ﷺ)
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: 25:188