Al-Hasan bin Ali narrates this hadith from Ash'ath bin Abdullah.
(b) Imam Bukhari (may Allah have mercy on him) said: This hadith is known only through this chain, and it has also been said that this Ash'ath is Ibn Jabir al-Huddani. Ma'mar said that Ash'ath bin Abdullah narrated it from al-Hasan. The Shaykh said: It has also been said that he is Ash'ath bin Abdullah bin Jabir, and Imam Bukhari (may Allah have mercy on him) mentioned him in al-Tarikh al-Saghir.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 474