As a citizen of Neo-Brutalistan, I, [Name], hereby declare that I am 100% innocent of all charges.
Under penalty of perjury, I swear that:
Signed and sealed on this, the most solemn of days:
Also, if you're looking for more forms, try:
Affidavit of Ignorance for the less-informed among you.
Affidavit of Sincerity for those with a strong moral compass.