Sahih Muslim 2471
صحيح مسلم#2471SahihThis hadith had been transmitted by Sulaiman Shaibani with the same chain of narrators (and the words are)," There would arise out of (this group) many a group
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: 12:208