Story highlights Obama announced his decision to commute Chelsea Manning's 35-year sentence

"Thank you to everyone who campaigned for Chelsea Manning's clemency," WikiLeaks said

Washington (CNN) WikiLeaks founder Julian Assange appears to be standing by his offer to submit himself for extradition to the US in exchange for the commutation of Chelsea Manning's sentence.

"Everything that he has said he's standing by," WikiLeaks quoted an Assange lawyer as saying in a tweet.

Assange has lived in the Ecuadorian embassy in London where he was granted asylum in 2012 to avoid potential extradition to the United States and extradition to Sweden, where he risked prison time over accusations of sexual assault. He has denied the validity of the sexual assault claims.

The exchange offer struck a puzzling note because the US has not made an extradition request for Assange.

If Obama grants Manning clemency Assange will agree to US extradition despite clear unconstitutionality of DoJ case https://t.co/MZU30SlfGK — WikiLeaks (@wikileaks) January 12, 2017

WikiLeaks also tweeted Tuesday that "Assange is confident of winning any fair trial in the US."

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