Note / Clarification: (2) This name is established from manuscripts (Z) and (B), whereas in manuscript (M) it is "al-Tustari" and in manuscript (S) "al-Ubaydi".

Grading: (3) This report is sahih, and this chain is hasan because of Abu Bakr bin Ayyash.
Technical note / Defect ('illah): Abu Hasin: he is Uthman bin Asim bin Husayn al-Asadi.

Reference / Source: It was narrated by al-Tirmidhi (3889) from Muhammad bin Bashshar, from Abd al-Rahman bin Mahdi, with this same chain, and he said: This hadith is hasan sahih.

Reference / Source: It was narrated by al-Bukhari (7100) through the route of Yahya bin Adam, from Abu Bakr bin Ayyash, with this same chain.
Note / Clarification: So al-Hakim's counting it as a mustadrak (i.e. a hadith not found in al-Bukhari and Muslim) is an oversight on his part.

Reference / Source: It was narrated by Ahmad 30/ (18331) and al-Bukhari (3772) and (7101) through the route of Abu Wa'il Shaqiq bin Salamah, who said: When Ali (may Allah be pleased with him) sent Ammar and al-Hasan (may Allah be pleased with them both) to Kufah to mobilise the people (for battle), Ammar gave a sermon and said: I certainly know that she (A'ishah, may Allah be pleased with her) is his (peace and blessings be upon him) wife in this world and the Hereafter, but Allah, Mighty and Majestic, has tested you to see whether you follow him (Ali / the truth) or her (A'ishah).

Note / Clarification: This hadith will come later as marfu' from the narration of A'ishah (may Allah be pleased with her) at numbers (6878) and (6892).