Sahih Muslim 1952
صحيح مسلم#1952SahihAbdullah b. Umar is reported to have said that The Messenger of Allah (may peace be up on him) was standing on the pulpit when he said this:He who comes for Jumu'a he should take a bath
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 7:2