What happens after I dispute a parking ticket?

So I submitted an appeal for a parking ticket. "Parking more than 3 hours" but it was in front of my own house. Ticket says "Marked vehicle at 7:49AM, returned 11:10AM" but I have surveillance video showing the officer drove by in his car without stopping or marking my tire, and I actually left with my car and returned in the meantime so it technically wasn't parked more than 3 hours anyway. Neighbor tried to get the cop to cancel the ticket ("Come on man, he lives here"), cop wiped some dirt off my tire (drivers side, concealed from neighbor standing on the sidewalk) and said "I marked it, see?". Also I'd happily pay for a permit but they aren't available in my area.

The first page had me fill out some personal information, provide a written statement of the above, etc.

The next page had the option to submit up to 5 photos, and the only buttons at the bottom said "exit", and something to the effect of "lookup another ticket". I assume this means the text portion of my appeal was already submitted/finalized.

I then tried to upload 5 screenshots proving my above statement (video files not allowed). They all said "Uploading..." and "Registering..." before completing, except for the last one. The last one failed, and then when I re-tried it got stuck on "uploading..." This greyed out the remainder of my screen and prevented my from clicking those "Exit" and "Lookup another ticket" buttons at the bottom. So the only thing I could do was close the whole browser tab.

It's been 10 days and I've received zero communication. Not even a confirmation that my appeal was received. When I look up the ticket again, the status field is just blank, but the appeal button has disappeared (only option is to pay). I'm slightly worried the lack of a status might mean my appeal is stuck in limbo waiting for that final photo that was stuck uploading or something.

I can believe the city has a 10+ day backlog of other appeals to work through, but the computer glitch theory is just as plausible and I'm approaching that 15 day deadline with no clear guidance on what to do.

Can anyone who has appealed a parking ticket weigh in on what the process is like? Should I have received a confirmation email? Should I see a status when looking at the ticket again? How long did it take to get a decision from the screening officer?

EDIT because people keep finding this thread and asking: I just got a decision in my email. The ticket has been cancelled. It took 53 weeks.