Sahih al-Bukhari 1661
صحيح البخاري#1661SahihNarrated Um Al-Fadl bint Al Harith:On the day of `Arafat, some people who were with me, differed about the fasting of the Prophet (ﷺ) some said that he was fasting while others said that he was not fasting. So I sent a bowl full of milk to him while he was riding his camel, and he drank that milk
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: 25:142