to document

verb
  1. To create a record of something in written, photographic, or other form, typically to provide evidence or information. verb
    The scientist documented the experiment results in a detailed report.
    The photographer documented the event with a series of stunning images.
  2. To support or substantiate a claim, statement, or idea with evidence or references. verb
    The lawyer documented her argument with numerous legal precedents.
    The historian documented his thesis with primary source materials.