Muwatta Malik 776
موطأ مالك#776Sahihحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم احْتَجَمَ وَهُوَ مُحْرِمٌ فَوْقَ رَأْسِهِ وَهُوَ يَوْمَئِذٍ بِلَحْيَىْ جَمَلٍ مَكَانٌ بِطَرِيقِ مَكَّةَ .
Yahya related to me from Malik, from Yahya ibn Sa'id, from Sulayman ibn Yasar, that the Messenger of Allah, may Allah bless him and grant him peace, was once cupped on the top of his head while he was in ihram, at Lahyay Jamal, which is a place on the road to Makka
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:
In-book reference: 20:72