Biden already scrubbing docs?
1776 Report: The President's Advisory Commission, is gone from the WH.gov site minutes after taking office.
Best DL it now from here while you can.
Or grab the PDF
https://web.archive.org/web/20210118214037/https://www.whitehouse.gov/wp-content/uploads/2021/01/The-Presidents-Advisory-1776-Commission-Final-Report.pdf