You'd have to capture the action with a browser extension - it doesn't look like...

		voltagex_ on Feb 10, 2016 \| parent \| context \| favorite \| on: Show HN: I've been writing daily TILs for a year You'd have to capture the action with a browser extension - it doesn't look like "who upvoted what" is exposed at all: http://data.stackexchange.com/stackoverflow/query/new