Musnad Ahmad 18517

Translation

✧ When they prayed with the Messenger of Allah ﷺ and he raised his head from bowing, they would stand upright until they saw that he had prostrated, then they would prostrate.

Grades by grader

Narrators

1. 1
   al-Barāʾ b. ʿĀzib al-Awsī

   Companion (ṣaḥābī)d. 72 AH, also said 71 AH
   الْبَرَاء بْن عَازِب الْأَوْسِيّصحابي
   حدثنا
2. 2
   ʿAbdullāh b. Yazīd b. Zayd al-Khaṭmī

   Young Companion (ṣaḥābī)d. after 70 AH
   عَبْدَ اللهِ بْنَ يَزِيدَصحابي صغير
   سمعت
3. 3
   Abū Isḥāq al-Sabīʿī

   Trustworthy (thiqah), a prolific narrator (mukthir), devout (ʿābid); his memory became confused (ikhtalaṭa) at the end of his lifed. Ibn ʿUyaynah said 126 AH, Yaḥyā b. Saʿīd said 127 AH, Abū Nuʿaym said 128 AH, ʿAmr b. ʿAlī said 129 AH, Ibn Maʿīn said 132 AH
   أَبُو إِسْحَاقَثقة مكثر عابد , اختلط بآخره
   أنبأني
4. 4
   Shuʿbah

   Trustworthy (thiqah), a retentive memorizer (ḥāfiẓ), meticulous (mutqin)d. 160 AH
   شُعْبَةُثقة حافظ , متقن
   حدثنا
5. 5
   ʿAffān

   trustworthy, precise (thiqah thabt)d. 219 AH, or 220 AH
   عَفَّانُثقة ثبت
   حدثنا
6. 6
   Aḥmad b. Ḥanbal

   Trustworthy (thiqah), a memorizer (ḥāfiẓ), a jurist (faqīh), an authority (ḥujjah).d. 241 AH, Abū Umayyah Muḥammad b. Ibrāhīm al-Ṭarsūsī said: 242 AH, and no one followed him in his view
   أحمد بن حنبلثقة حافظ فقيه حجة

Who each narrator was and how reliable, from hdith.com

Latin names and English verdicts with a dotted underline are machine translations, not reviewed.