I finally figured out how to get my tweets indexed with the appropriate authorship information: h​t​t​p​:​/​/​p​s​e​u​d​o​n​y​.​m​s​/​b​l​a​g​s​/​i​n​d​e​x​-​y​o​u​r​-​t​w​e​e​t​s​.​h​t​m​l