Evidence of his authority...
Al-Kāfi|Volume 8|Book 1|Chapter 499
عَنْهُ عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنْ فَضَالَةَ بْنِ أَيُّوبَ عَنْ يَحْيَى الْحَلَبِيِّ عَنْ عَبْدِ اللَّهِ بْنِ سُلَيْمَانَ عَنْ أَبِي جَعْفَرٍ (عليه السلام) أَنَّهُ قَرَأَ إِنَّ آيَةَ مُلْكِهِ أَنْ يَأْتِيَكُمُ التَّابُوتُ فِيهِ سَكِينَةٌ مِنْ رَبِّكُمْ وَ بَقِيَّةٌ مِمَّا تَرَكَ آلُ مُوسى وَ آلُ هارُونَ تَحْمِلُهُ الْمَلائِكَةُ قَالَ كَانَتْ تَحْمِلُهُ فِي صُورَةِ الْبَقَرَةِ.
499. From him, from Ahmad Bin Muhammad, from Al-Husayn Bin Saeed, from Fazaalat Bin Ayyub, from Yahya Al-Jalby, from Abdullah Bin Suleyman, who has narrated the following: Abu Ja’far عليه الصلاة والسلام said after reciting: “Surely the sign of His kingdom is, that there shall come to you the chest in which there is tranquillity from your Lord and residue of the relics of what the children of Musa and the children of Haroun have left, the angels bearing it”(2:248). He عليه الصلاة والسلام said: ‘They are described in the Verse of ‘Al-Baqra’.
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/426)
- Ṣaḥīḥ al-Kāfī