Sunan an-Nasa'i 2987
سنن النسائي#2987Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنِ ابْنِ جُرَيْجٍ، قَالَ أَخْبَرَنِي الْحَسَنُ بْنُ مُسْلِمٍ، أَنَّ طَاوُسًا، أَخْبَرَهُ أَنَّ ابْنَ عَبَّاسٍ أَخْبَرَهُ عَنْ مُعَاوِيَةَ، أَنَّهُ قَصَّرَ عَنِ النَّبِيِّ صلى الله عليه وسلم بِمِشْقَصٍ فِي عُمْرَةٍ عَلَى الْمَرْوَةِ .
It was narrated from Muawiyah that:he cut the hair of the Prophet with the edge of an arrow during his Umrah at Al-Marwah
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: 24:370