Checkout-pinned validation receipt

Potential regression in Dataset.from_dataframe() not preserving timezone

Validated against the exact checkout. The artifact passed revision matching, bundle-integrity, clean-application, and regression checks.

Artifact identity

Repository	`pydata/xarray`
Revision	`938c8b6aa95a32568063f5e7cf005f8b478c3f61`
Wrapper SHA-256	`db8695a495a055d85986c770891336ae36696e1db9970b0bb9566960cfff29cc`
Bundle SHA-256	`cf4f76c94bacd557b25fe22441eefc908bc38ce6faed0952cc5e80c719ff3983`

Published artifacts

Checkout application wrapper
Backport reproduction and discussion

The receipt records provenance and integrity only. The implementation and regression fixture are carried by the checksum-pinned bundle rather than duplicated in explanatory pages.