Sunan an-Nasa'i 2988
سنن النسائي#2988Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ يَحْيَى بْنِ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا عَبْدُ الرَّزَّاقِ، قَالَ أَنْبَأَنَا مَعْمَرٌ، عَنِ ابْنِ طَاوُسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، عَنْ مُعَاوِيَةَ، قَالَ قَصَّرْتُ عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم عَلَى الْمَرْوَةِ بِمِشْقَصِ أَعْرَابِيٍّ .
It was narrated that Muawiyah said:"I cut the hair of the Messenger of Allah at Al-Marwah with the edge of a Bedouin arrow
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 24:371