Sunan an-Nasa'i 4335
سنن النسائي#4335SahihIt was narrated from Al-Hasan bin Muhammad, and 'Abdullah bin Muhammad, from their father, that 'Ali bin Abi Talib may Allah be please with him, said:"The Messenger of Allah forbade Mut'ah and the flesh of domesticated donkeys on the Day of Khaibar
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 42:73