Sahih Muslim · Hadith 3045
The Book of Pilgrimage - كتاب الحج
حدثنا محمد بن المثنى، حدثنا يحيى بن سعيد، عن عبيد الله، قال أخبرني نافع، عن ابن عمر، عن حفصة، - رضى الله عنهم - قالت قلت للنبي صلى الله عليه وسلم ما شأن الناس حلوا ولم تحل من عمرتك قال " إني قلدت هديي ولبدت رأسي فلا أحل حتى أحل من الحج " .
Hafsa (Allah be pleased with her) reported: I said to Allah's Messenger (may peace be upon him): What is the matter with people that they have put off Ihram, whereas you have not put it off after your Umra'? He said: I have driven my sacrificial animal and stuck my hair, and it is not permissible for me to put off Ihram unless I have completed the Hajj.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).