(a) Sayyiduna Anas (may Allah be pleased with him) narrates the same from the Prophet (peace and blessings be upon him). (b) Ibn Sa'id said: As far as I know, no one narrated this hadith except Asad bin Musa. (c) The Shaykh said: Abd al-Ghaffar bin Dawud al-Harrani corroborated him in the musnad (Prophetic) hadith, but it is not found with the people of Basra from Hammad, and it is not well-known.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1331