Sunan Abi Dawud 852
سنن أبي داود#852SahihAl-Bara’ said:The prostration observed by the Messenger of Allah(ﷺ), his bowing, and his sitting between the two prostrations were nearly equal
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (792) Sahih Muslim (471)
In-book reference: 2:462