It appears so. When I check Fabian’s profile on nostr.band these are the two zaps I sent him. One was private and one was anonymous. Nostr.band just displays them as unknown sender but has the correct amounts shown. 

https://image.nostr.build/d364ee1bfaf9097f3a72c35033e97e98dfabc91b148a7c0069a2d208cf3dbeab.jpg 

 Pretty cool