If you add &ident_user_id=[your username] to your search in the URL, you should have the option to download 4 variables related to your identification the normal way (e.g., https://www.inaturalist.org/observations/export?verifiable=true&page=1&spam=false&ident_user_id=nathantaylor&place_id=any&user_id=&project_id=&taxon_id=148407). Here are the variables with my username:
ident_by_nathantaylor:taxon_id
ident_by_nathantaylor:taxon_name
ident_by_nathantaylor:taxon_rank
ident_by_nathantaylor:category
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