Pixel 2 owners on Verizon are getting a new Android 8.1 Software (r8) with build number OPM2.171019.016. For Softbank Nexus 6P owners, the Android 8.1 update arrives with build of OPM5.171019.014 (r9). And Nexus 5X users with Telstra/Softbank, you are getting a new Android 8.1 with build of OPM5.171019.014.
You can grab Factory Image or OTA file at the links below.
Links: Factory Image | OTA File