Jami` at-Tirmidhi, Book 26, Hadith 25 (In-Book) ⓘ
Narrated 'Azrah bin Thabit: From Thumamah, from Anas that: "The Prophet would breathe three times in the vessel." Another chain from Anas bin Malik: "The Prophet would breathe three times in the vessel." He said: This Hadith is Hasan Sahih.
حَدَّثَنَا بِذَلِكَ مُحَمَّدُ بْنُ بَشَّارٍ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ حَدَّثَنَا عَزْرَةُ بْنُ ثَابِتٍ الأَنْصَارِيُّ عَنْ ثُمَامَةَ عَنْ أَنَسِ بْنِ مَالِكٍ أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَتَنَفَّسُ فِي الإِنَاءِ ثَلاَثًا . قَالَ هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
also referenced under: Hadith 1884 (Reference) & Volume 3, Book 24, Hadith 1884 (DarusSalam)