Kitāb al-Ghayba

Hadith 434
imam-mahdioccultation
وأما ما روي من الاخبار المتضمنة لمن رآه عليه السلام وهو لا يعرفه أو عرفه فيما بعد،فأكثر من أن تحصى غير أنا نذكر طرفا منها:
Traditional reports regarding those who saw the Imam, but did not recognize him at that time or only realized it later, are so many that they cannot be computed. However, we will mention only some of them here:
Source: Shaykh Muḥammad b. al-Ḥasan al-Ṭūsī