Sahih al-Bukhari 2720
صحيح البخاري#2720SahihNarrated `Abdullah bin `Umar:Allah's Messenger (ﷺ) gave the land of Khaibar to the Jews on the condition that they would work on it and cultivate it and they would get half of its yield
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 54:9