Muwatta Malik 164

موطأ مالك#164Sahih

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَرْفَعُ يَدَيْهِ فِي الصَّلاَةِ ‏.‏

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, used to raise his hands in the prayer

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:

Salim al-HilaliSahih

In-book reference: 3:19