Sahih al-Bukhari 6589
صحيح البخاري#6589Sahihحَدَّثَنَا عَبْدَانُ، أَخْبَرَنِي أَبِي، عَنْ شُعْبَةَ، عَنْ عَبْدِ الْمَلِكَ، قَالَ سَمِعْتُ جُنْدَبًا، قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ " أَنَا فَرَطُكُمْ، عَلَى الْحَوْضِ ".
Narrated Jundab:I heard the Prophet, saying, "I am your predecessor at the Lake-Fount. (Al-Kauthar)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 81:177