Sahih al-Bukhari 2881
صحيح البخاري#2881SahihNarrated Tha`laba bin Abi Malik:`Umar bin Al-Khattab distributed some garments amongst the women of Medina. One good garment remained, and one of those present with him said, "O chief of the believers! Give this garment to your wife, the (grand) daughter of Allah's Messenger (ﷺ)." They meant Um Kulthum, the daughter of `Ali. `Umar said, Um Salit has more right (to have it)." Um Salit was amongst those Ansari women who had given the pledge of allegiance to Allah's Messenger (ﷺ).' `Umar said, "She (i.e. Um Salit) used to carry the water skins for us on the day of Uhud
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: 56:96