# old_data

The sessions recorded before 2026-09, moved here unchanged on 2026-09-12.

| task | dates | why it is separate |
|---|---|---|
| motherboard | 2026-05-10, 05-11, 05-19 | no wrist camera; earlier calibration epoch |
| pushT | 2026-06-18 | no wrist camera; earlier calibration epoch |

`data/` holds the 2026-09 sessions, which add two wrist cameras and are
published cut to their clean spans: every frame under `data/` has passed
every quality detector, so there is no skip-list to consult. The episodes
here are NOT cut that way -- `bad_frames.json` and `segments.json` beside
them describe their defects, and a reader who ignores those files will
train on them.

Their source HDF5 no longer exists (deleted 2026-09-09 to make room for
re-collection), so these can be read and republished but never
re-processed. The calibration each one needs is in `calibration/` here.