Can’t Locate The American Sign Language Data This Paper Talks About

https://papers.nips.cc/paper_files/paper/2023/file/00dada608b8db212ea7d9d92b24c68de-Paper-Datasets_and_Benchmarks.pdf

The paper introduces a new, large American Sign Language dataset but I have been unable to find it anywhere online. If someone knows where to access it or has used it, please help.