bayhaqi:11 –
al-Faqīh Abū Bakr Aḥmad b. Muḥammad b. Aḥmad b. al-Ḥārith al-Aṣbahānī > Abū al-Ḥasan ʿAlī b. ʿUmar al-Ḥāfiẓ > al-Ḥusayn b. Ismāʿīl > Idrīs b. al-Ḥakam > ʿAlī b. Ghurāb > Hishām b. Saʿd > Zayd b. Aslam > Aslam a freed slave of ʿUmar
[Machine] Abu al-Hasan, this is a valid chain of narration.