README: opXRD attribution

Update README.md

Manifest: SG/EG matched checkpoints

README: document opXRD surface

Manifest: add opXRD payload rows

Manifest: add XRDBench + CNN epoch-46 checkpoint rows

Add 98-record opXRD Cu-Kalpha 10-80 surface payload + record manifest

Add NeurIPS RAI provenance metadata

Align Croissant file object typing

Fix Croissant RAI metadata validation

Point dataset card to anonymous code artifact

Remove unreleased lineage references from manifests

Limit manifests to released artifacts

Align reviewer inference provenance with public repo

Make dataset card release-facing

Link companion reproducibility repository

Align dataset metadata with public release

Document aggregate prior release

Add Croissant RAI metadata

Upload README.md with huggingface_hub

Add files using upload-large-folder tool

initial commit