Sunan an-Nasa'i 184
سنن النسائي#184SahihIt was reported that Ibn 'Abbas said "I witnessed (that) the Messenger of Allah (ﷺ) ate bread and meat, then stood for prayer and did not perform ablution
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 ZaiIsnaad Sahih
In-book reference: 1:185