Musnad Ahmad 26403

Translation

✧ I said to 'Aishah ؓ, 'What is al-Kawthar?' She said, 'A river given to the Prophet ﷺ in the midst of Paradise.' He said: I said, 'And what is the midst of Paradise?' She said, 'Its center; its banks are of hollowed pearl.'

Grades by grader

Narrators

1. 1
   ʿĀʾishah bt. Abū Bakr al-Ṣiddīq

   Mother of the Believers, the most knowledgeable woman in jurisprudence absolutely (afqah al-nisāʾ muṭlaqan)d. 57 AH, or 58 AH
   عَائِشَةُ بِنْتُ أَبِي بَكْرٍ الصِّدِّيقِأم المؤمنين ، أفقه النساء مطلقا
   قلت
2. 2
   Abū ʿUbaydah b. ʿAbdullāh b. Masʿūd

   trustworthy (thiqah)d. 81 AH, also said: 82 AH, and al-Dhahabī was certain of it
   أَبِي عُبَيْدَةَ بْنِ عَبْدِ اللهِثقة
   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
   أَبِي إِسْحَاقَ السَّبِيعِيِّثقة مكثر عابد , اختلط بآخره
   عن
4. 4
   Muṭarrif

   trustworthy (thiqah), excellent (fāḍil)d. 133 AH, or: 141 AH, or: 142 AH, or: 143 AH
   مُطَرِّفٌثقة فاضل
   حدثنا
5. 5
   Asbāṭ b. Muḥammad

   Trustworthy (thiqah), though he was considered weak (ḍuʿʿifa) in his narrations from al-Thawrī.d. 199 AH, or 200 AH
   أَسْبَاطُ بْنُ مُحَمَّدٍثقة ضُعِّف في الثوري
   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.