QF Platinum Recognition on flights

[elanshin]

Err no, it’s also noted on the pax manifest printout hanging in the galley.

assuming you didn't change your seat super last minute.

 

[markis10]

assuming you didn't change your seat super last minute.

The manifest is a legal document of which body is in which seat at flight closing, there should not be changes from what is allocated, in theory

 

[esseeeayeenn]

Err no, it’s also noted on the pax manifest printout hanging in the galley.

I know, I didn't say they couldn't find out your status, but they usually don't bother and don't care.
Unless they are trying to impress the CSS or CSM in the vain hope of receiving a good report.