Musnad Ahmad 5354

Translation

✧ I was sitting with the Prophet ﷺ and I heard him seek forgiveness a hundred times, then say: 'O Allah, forgive me, have mercy on me, and accept my repentance. Indeed, You are the Accepting of repentance, the Merciful' (or 'Indeed, You are Accepting of repentance, Forgiving').

Grades by grader

Narrators

1. 1
   ʿAbdullāh b. ʿUmar b. al-Khaṭṭāb

   One of the Companions who narrated most often, and one of the ʿAbādilah; he was among the people most strict in following the narrations (athar).d. 72 AH, or 73 AH, or 74 AH, also said: 75 AH
   عَبْدُ اللهِ بْنُ عُمَرَ بْنِ الْخَطَّابِأحد المكثرين من الصحابة والعبادلة ، وكان من أشد الناس اتباعا للأثر
   عن
2. 2
   Mujāhid b. Jabr al-Makhzūmī

   Trustworthy (thiqah), an imam in Quranic exegesis and in knowledge.d. 100 AH, or 101 AH, or 102 AH, or 103 AH, or 104 AH, or 107 AH
   مُجَاهِدٍثقة ، إمام في التفسير وفي العلم
   عن
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
   حدثنا
4. 4
   Zuhayr

   trustworthy, precise (thiqah thabt)d. 172 AH, or: 173 AH, or: 174 AH, 177 AH
   زُهَيْرٌثقة ثبت
   أخبرنا
5. 5
   Aḥmad b. ʿAbd al-Malik

   trustworthy (thiqah), criticized without proofd. 221 AH, or 222 AH
   أَحْمَدُ بْنُ عَبْدِ الْمَلِكِثقة ، تكلم فيه بلا حجة
   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.