Sahih al-Bukhari 1658
صحيح البخاري#1658SahihNarrated Um Al-Fadl:The people doubted whether the Prophet (ﷺ) was observing the fast on the Day of `Arafat, so I sent something for him to drink and he drank it
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: 25:139