The Book of Occultation — al-Ṭūsī · Hadith 428 (#Ḥadīth #29)

217- محمد بن يعقوب، عن أحمد بن النضر، عن القنبري- من ولد قنبر الكبير- مولى أبي الحسن الرضا عليه السلام قال: جرى حديث جعفر فشتمه، فقلت: فليس غيره فهل رأيته؟ قال: لم أره ولكن رآه غيري. قلت:ومن رآه؟ قال: رآه جعفر مرتين، وله حديث.

H 217 - It is narrated from Muhammad bin Yaqub from Ahmad bin Nadhr that he asked Qambari, a descendant of Qambar senior, servant of Imam Ali Ridha : The incident of Ja’far, the liar was mentioned. Qambari scolded him and spoke against it. I asked: No one other than him is eligible for Imamate; have you seen someone else [Master of the Age ]? He replied: Not me, but someone else has. I asked: Who is that? He replied: Ja’far, and he saw him twice, and he is aware of it.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).