`sha256:` then 64 lowercase hex digits
493def aosIsArtifactIdentity =
494 (lambda unrestricted text : Bytes .
495 (naturalAnd (aosHasPrefix b"sha256:" text) (aosIsHexOfWidth 64 (aosDropBytes 7 text))))The compiler supplied declaration spans and resolved links from this source snapshot. This page does not assert that this file belongs to a checked closure.