Link, please? I seem to be failing at Google.
The last time I saw "writing fingerprint" software it was being used to "prove" that The Book of Mormon's purported authors were real, in a study whose designers clearly would have failed at the 2-4-6 task. I'm afraid I tossed the idea in a mental box alongside "phrenology" after that.
The useful words are "stylometry" and "authorship attribution".
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 119.
Plans for next chapter release:
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)