You can demonstrate national or international recognition for an O-1A petition by showing that independent experts and reputable institutions recognize the significance of your work. Common forms of evidence include:1. Industry reference letters: Typically 4–6 detailed letters from independent experts in your field, selected with guidance from your legal counsel, explaining your impact, reputation, and contributions.2. Press coverage: Articles from reputable national or international outlets, supported by data on readership, circulation, or traffic to show the reach and significance of the coverage.3. Academic publications: Evidence of publication in reputable journals, including information on journal quality, peer-review standards, and confirmation that the journal is not pay-to-publish.