Currently, There is only one way that to hide urslf whn yo visit other's orkut profile.

i.e.
Go to Settings after logging ur orkut account. In it, under PRIVACY Tab,
U cud see.,
"profile visitors:
show who visits my profile (and let others see when I visit their profile)"
CLICK HIDE VISITS
Datz al .. So tat i neva shw visits made by yo & even de one who visits ur profile
Lol Other than thz, NO OTHER GO