It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) took seventy camels with him in the year of Hudaybiyyah, and one camel was sacrificed on behalf of seven people.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14398
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد قوي، وأنظر: 14127