Ticketmaster .pkpass questions about the Bologna shows

So after hours of waiting on the day of the official sale (entered the queue right as it began and was assigned a position in the mid-40ks, which pretty much made it impossible to get a ticket that day) and two months of refreshing the 4 tickemaster pages (one for each date), I finally managed to get a ticket on the Tickemaster website for the 18th, just when I least expected it.

I had to rush and cancel work stuff, book flights, find a place to stay etc. I still can't believe this is happening. I had pretty much accepted that I would miss these shows. It's probably the first time in my life that I've booked a trip with such short notice.

Since I am also struggling with anxiety, I have to ask something re: the ticket itself:

I downloaded the attached .pkpass file from the Ticketmaster email and imported it into Google Wallet on my phone and everything looks good (blue ticket with barcode), but I don't see the barcode changing -is this normal? Also, the barcode seems different on the Google Wallet app compared to the barcode on the ticketmaster website (the one you get when you click on the booking). This is normal, right?

And, lastly, will I need to have my passport with me to enter the Arena? Do they check ticket holder name and IDs?

-A Radiohead fan with crippling anxiety (I guess I fit the stereotype?)