Did your friend eventually find a workable solution? I wonder if they could reach out to the beverage company and ask for a distinguishing feature that’s easy t

Did your friend eventually find a workable solution? I wonder if they could reach out to the beverage company and ask for a distinguishing feature that’s easy to recognize for computer vision but wouldn’t affect the brand’s look-and-feel for human vision. Perhaps a machine readable version of a resin identification code [1] encoded as a pattern visible from any angle? [1]: https://en.wikipedia.org/wiki/Resin_identification_code https://en.wikipedia.org/wiki/Resin_identification_code