2d106det for the eye contours, OCEC for open or closed, SGC for sunglasses — all three pinned to a batch of one by the same script as the pair, and installed by every packager so the eyes-open filter works out of the box. The two classifiers are MIT, code and weights; the README records their provenance, SGC's undocumented training set, and the hashes as fetched and as shipped.