Jami` at-Tirmidhi 916
جامع الترمذي#916SahihAbdullah bin Amr narrated:"A man asked the Messenger of Allah: 'I shaved before slaughtering.' So he said: 'Slaughter, and there is no harm.' Another man asked him: 'I performed the sacrifice before stoning.' He said: 'Stone, and there is no harm
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 9:109