Not that it matters, there's copies everywhere. There's a good outline of the early intel campaign against him and the media here
>Assange required to instruct WikiLeaks to destroy unpublished filesBefore Assange’s guilty plea was entered in court, the agreement with the U.S. government required him to “take all action within his control to cause the return to the United States or the destruction of any such unpublished information in his possession, custody, or control, or that of WikiLeaks or any affiliate of WikiLeaks.”
As required by the agreement, Assange provided a sworn affidavit before the plea hearing that indicated he had taken this step.
WikiLeaks editor-in-chief Kristinn Hrafnsson confirmed to The Dissenter that Assange had requested that he destroy "all unpublished U.S. secret documents."
This provision in the plea agreement echoed the infamous decision in 2013 by editors at The Guardian newspaper to take a power drill and angle grinder to a hard drive which contained copies of vast troves of information leaked by National Security Agency (NSA) whistleblower Edward Snowden to then Guardian columnist Glenn Greenwald.
Editors were threatened with legal action if they did not either hand over the hard drives. They agreed to destroy them in the basement of their headquarters in London, even though it was understood that copies existed elsewhere outside of the U.K.
Technicians from Government Communications Headquarters—the U.K equivalent of the NSA—filmed the destruction of the computer hard drive while taking notes and providing instructions to the editors.
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