Sahih al-Bukhari 6543
صحيح البخاري#6543SahihNarrated Sahl bin Sa`d:The Prophet (ﷺ) said, "Seventy-thousand or seven-hundred thousand of my followers (the narrator is in doubt as to the correct number) will enter Paradise holding each other till the first and the last of them enter Paradise at the same time, and their faces will have a glitter like that of the moon at night when it is full
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: 81:132