You can contact me sending an email to oscar@oscarbenedito.com.
If you want to encrypt your message using PGP, you can either use the Web Key Directory standard or get my public key from this address. My PGP key fingerprint is:
2D64 7040 7548 446A 3F35 D775 621D 67E0 9F48 82A6
If you don't know how to use PGP but still want to encrypt your message, you can use Keyoxide at your own risk.