Musnad Ahmad 4237

Translation

✧ The Prophet ﷺ prayed Zuhr with five units. It was said to him, 'Has the prayer been increased?' He said, 'What is that?' They said, 'You prayed five.' He said: Then he folded his leg and prostrated twice after having said the salam.

Grades by grader

Narrators

1. 1
   ʿAbdullāh b. Masʿūd

   One of the earliest and foremost (al-sābiqūn al-awwalūn), and one of the leading scholars among the Companions; his virtues are manyd. 28 AH, or 32 AH, 33 AH
   عَبْدُ اللهِ بْنُ مَسْعُودٍمن السابقين الأولين ، ومن كبار العلماء من الصحابة ، مناقبه جمة
   عن
2. 2
   ʿAlqamah b. Qays al-Nakhaʿī

   Trustworthy (thiqah), firm (thabt), jurist, devout worshipperd. 61 AH, or 62 AH, or 65 AH, or 72 AH, or 73 AH, also said: 63 AH
   عَلْقَمَةَثقة ثبت فقيه عابد
   عن
3. 3
   Ibrāhīm al-Nakhaʿī

   Trustworthy (thiqah), except that he often narrates with omission of the Companion (irsāl).d. 94 AH, or 95 AH, or 96 AH
   إِبْرَاهِيمَثقة إلا أنه يرسل كثيرا
   عن
4. 4
   al-Ḥakam b. ʿUtaybah al-Kindī

   trustworthy (thiqah), firmly reliable (thabt), a jurist (faqīh), except that he sometimes practised concealment (tadlīs)d. 113 AH, or 114 AH, or 115; also said 110 AH
   الْحَكَمُثقة ثبت فقيه ، إلا أنه ربما دلس
   حدثنا
5. 5
   Shuʿbah

   Trustworthy (thiqah), a retentive memorizer (ḥāfiẓ), meticulous (mutqin)d. 160 AH
   شُعْبَةُثقة حافظ , متقن
   حدثنا
6. 6
   Muḥammad b. Jaʿfar

   Trustworthy (thiqah), his book was sound (ṣaḥīḥ al-kitāb), except that he had some heedlessness (ghaflah)d. 192 AH or 193 AH or 194 AH
   وَمُحَمَّدُ بْنُ جَعْفَرٍثقة صحيح الكتاب إلا أن فيه غفلة
   عن
7. 7
   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.