Ahmad ibn Salih al-Jalil: Trustworthy
Ibn Abi Hatim al-Razi: My father said: Hammad ibn Salamah narrated to us from Ali ibn Zayd from Yaqub al-Sadusi
Ibn Hajar al-Asqalani: Truthful, and once: He erred, he who said he accompanied the Prophet
Muhammad ibn Sa'd Kattib al-Waqidi: Trustworthy
Authors of Tahdhib al-Tahdhib: Trustworthy, and we do not know of any criticism against him
Yaqub ibn Sufyan al-Faswi: Trustworthy