WebVTT cue timing profile
Checks the header, timestamp syntax, positive duration and nondecreasing cue starts while allowing overlap.
SHAR Production
Production conformance suites
Bounded profiles with positive and negative cases, normative sources and reproducible results.
BCP 47 production locale profile
Checks a bounded canonical language, optional script and optional region profile.
JSON Schema 2020-12 object contract
Checks an explicit dialect, object type, properties map and required array.
Approved SPDX license-expression profile
Checks a bounded set of approved identifiers with case-sensitive AND/OR operators.
SHA-256 delivery manifest profile
Checks lowercase SHA-256 digests, safe relative paths and path uniqueness.