Sunan an-Nasa'i 1081
سنن النسائي#1081HasanIt was narrated that Jabir bin 'Abdullah said:"We used to pray Zuhr with the Messenger of Allah (ﷺ) and I would take a handful of pebbles in my hand to cool them down, then I would pass them from one hand to the other, and when I prostrated I would put them down to lay my forehead on them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan
Al-AlbaniHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 12:53