Jami` at-Tirmidhi 240
جامع الترمذي#240SahihAbu Hurairah narrated:"When Allah's Messenger would enter the Salat he would raise his hands while they were extended
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 2:92