Was Jesus really dead when they buried him?

Was Jesus really dead when they buried him? Is there any evidence outside of religious texts? Wasn't the story just made up? Couldn't it all have been slight of hand or a conspiracy?

In this seventh film from Genexis 2019, Prof NT Wright explores the historical evidence for the seemingly implausible proposition that 2000 years ago a maverick preacher from Nazareth in Palestine died but then lived to tell the tale.