5.3  Water Cherenkov PID v0 Schema Notes

Schema details are pending.

This page should eventually define event-display tensors, timing summaries, particle-label fields, split names, and the HDF5 submission layout expected by the validation service.

5.3.1 Expected coverage

Area	Notes
Files	HDF5 group layout, event keys, and shard naming
Inputs	Ring images, timing summaries, calibration metadata, and geometry references
Targets	Particle labels and class taxonomy
Splits	Public training, validation, and hidden evaluation split policy
Submission	Required prediction fields for opendc eval send <submission.h5>