Musnad Abu Ya'la al-Mawsili 110:75

Zuhayr narrated to us, Ibn 'Uyaynah narrated to us, from 'Abd al-Karim al-Jazari, from 'Ikrimah, from Ibn 'Abbas, who said: The Prophet (may Allah bless him and grant him peace) forbade breathing into the vessel or blowing into it.