I downloaded an electronic copy to my Apple Wallet (but also have a hard copy in my backpack). I visited the US 3 times this year and once in 2021; was never asked to verify in-person.
Originally Posted by
sgrunt
On my most recent journey to the US (at the start of the month) I was asked only to confirm that I had seen and understood an attestation form; while I took this to mean that I needed to fill out the form, I was not actually asked to do so as part of OLCI or at any time at the airport.