This is the provenance record. It shows when this first appeared in my log, what happened to it afterward, and how each of those claims can be checked.
The rv z-index made .calc a stacking context, so its negative-z pseudo painted the gradient ABOVE the card background (solid purple card on mobile). Replaced with the padding-box/border-box gradient border technique... white card, 2px...
Independently witnessed. This build is tied to GitHub pull request #6551, merged at the timestamp above. That timestamp was written by GitHub, not by this site, and I cannot alter it.
Timestamped by GitHub, not by this site. The repository is private, so this is shown on request rather than as a public link.
This record was added since the last seal and will be included in the next one.
Permalink: https://jeffreylong.com/proof/e/324