I do have MIDI (engraved with Lilypond), but as wankerness pointed out, attachments are a pain. Here's a dropbox link, to a zip with both the PDF and MIDI files. I'm not sure why I didn't think of that earlier.
https://www.dropbox.com/s/87ul0v75ghr19hk/The%20Grid%20%28Tigran%20Hamasyan%29.zip?dl=0
https://www.dropbox.com/s/87ul0v75ghr19hk/The%20Grid%20%28Tigran%20Hamasyan%29.zip?dl=0