The Peak of Eloquence · Hadith 827 (#Passage #1)
Chapter 177 | The two arbiters after the Battle of Siffin
ومن كلام له (عليه السلام) في معنى الحكمين
About the two arbiters (after the battle of Ṣiffīn)
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).