HAKIM 315:
from al-Aʿmash —
[Machine] About Mus'ab ibn Sa'd, he mentioned him without mentioning the judge.
الحاكم ٣١٥:
عن الاعمش —
عَنْ مُصْعَبِ بْنِ سَعْدٍ فَذَكَرَهُ بِنَحْوِهِ وَلَمْ يَذْكُرِ الْحَكَمَ