Musnad Ahmad 429:27

Ya'qub narrated to us, he said: My father narrated to us, from Ibn Ishaq, he said: 'Abdullah ibn Abi Bakr ibn Muhammad ibn 'Amr ibn Hazm al-Ansari narrated to me, from 'Uthman ibn Abi Sulayman ibn Jubayr ibn Mut'im, from his paternal uncle Nafi' ibn Jubayr ibn Mut'im, from his father Jubayr, who said: I saw the Messenger of Allah, peace and blessings of Allah be upon him, before the revelation descended upon him, and he was standing with his camel at 'Arafat with the people, until he departed with them from it, by the guidance of Allah for him.