Musnad Abu Ya'la al-Mawsili 159:133

Amr al-Naqid narrated to us, Sufyan narrated to us, from Ayyub ibn Musa, from Ata’ ibn Mina’, from Abu Hurayrah, who said: We prostrated with the Messenger of Allah (may Allah bless him and grant him peace) during "When the sky has split open" (Surah Al-Inshiqaq) and "Recite in the name of your Lord who created" (Surah Al-Alaq).