Sahih al-Bukhari 3112
Sahih al-Bukhari · Book 57: One-fifth of Booty to the Cause of Allah (Khumus) · What has been said regarding the armour of the Prophet ﷺ, his staff, sword, cup and ring, and what the caliphs after him used of these things which had not been distributed, and also (what is said) about his hair, shoes and utensils which were considered as blessed things by his companions and others after his death
Muhammad bin Suqa:
قَالَ الْحُمَيْدِيُّ حَدَّثَنَا سُفْيَانُ ، حَدَّثَنَا مُحَمَّدُ بْنُ سُوقَةَ ، قَالَ سَمِعْتُ مُنْذِرًا الثَّوْرِيَّ ، عَنِ ابْنِ الْحَنَفِيَّةِ ، قَالَ أَرْسَلَنِي أَبِي ، خُذْ هَذَا الْكِتَابَ فَاذْهَبْ بِهِ إِلَى عُثْمَانَ، فَإِنَّ فِيهِ أَمْرَ النَّبِيِّ صلى الله عليه وسلم فِي الصَّدَقَةِ .
I heard Mundhir at-Tuzi reporting Ibn Hanafiya who said, "My father sent me saying, 'Take this letter to `Uthman for it contains the orders of the Prophet (ﷺ) concerning the Sadaqa.' "