EgoHandBench Source collects the source-format data used by EgoHandBench. The seven dataset directories retain their existing media, annotations, calibration files, filenames and directory structures. Annotation field names, units, joint orders and MANO conventions are dataset-specific. This is the source edition before EgoHandBench frame-level quality filtering. It retains the available source timelines for the selected cameras, including recordings later excluded by quality filtering. Stereo collections use the selected right camera; HOT3D uses Aria RGB. Shared annotation or calibration files may also describe cameras whose RGB is not included. Native image sequences, videos and source…