Jami` at-Tirmidhi 278
جامع الترمذي#278Hasan(Another chain that) Amir bin Sa'd narrated:"The Prophet ordered placing the hands (on the ground)." And he mentioned in it: "From his father
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Lighairihi
Al-AlbaniHasan
Zubair Ali ZaiHasan
In-book reference: 2:130