If you're chatting with the Pixar people you might want to point out that the entire https://graphics.pixar.com/ domain throws up warnings in all my browsers. Perhaps they could encourage someone to fix that so it's easier to read their papers?
Can you be a bit more specific than that? I'm afraid that "someone the internet tells me that the graphics.pixar.com domain throws up warnings in their browser" isn't a useful bug report.
Ah, yes they fixed it. Thank Fabian. I must have clicked the link to their paper in the small window in which the certificate was expired and so my browsers wouldn't let me visit it. All good now.