PACKAGE: __PACKAGE__ — external ROUND __ROUND__
COMMIT: __COMMIT_FULL__
BUILT: __TS__ (UTC)

The generated-content trust class (`EvidenceAuthor.ASSISTANT`). The
candidate revision is stated ONCE, rendered from the identity record (no
version or history facts live in this prose — F2/C5-1):
__CANDIDATES__
__HISTORY__
__CHANGES__

measured: __MEASURED__

Verification, from the extraction root (no network):
  python specs/verify_extracted.py header      # the C-plus record: registry
                                               # conformance, whole-file
                                               # recompute, witnesses
  python specs/verify_extracted.py collected
  python specs/verify_extracted.py reconcile
  python specs/package_identity.py

Always-regenerated loose carriers (not diffed against the prior archive):
__LOOSE__
