Sunan Abi Dawud 318
سنن أبي داود#318SahihNarrated Ammar ibn Yasir: They (the Companions of the Prophet) wiped with pure earth (their hands and face) to offer the dawn prayer in the company of the Messenger of Allah (ﷺ). They struck the ground with their palms and wiped their faces once. Then they repeated and struck the ground with their palms once again and wiped their arms completely up to the shoulders and up to the armpits with the inner side of their hands
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 1:318