Abu Hatim ibn Hibban al-Busti: Witnessed the Prophet praying the prayer of fear
Ibn Hajar al-Asqalani: Companion who witnessed Uhud and what came after it
Ibn Abd al-Barr al-Andalusi: The most accurate thing said about him is: Zayd ibn Thabit
al-Mizzi: He has companionship
Muhammad ibn Ismail al-Bukhari: He has companionship