Sunan an-Nasa'i 4246
سنن النسائي#4246SahihIt was narrated from 'Aishah that the Prophet said:"The dead animal is purified by tanning it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 41:25