The evidence block verbatim — its ### E<k> — AC<n>.<m> heading through
the end of its body. Carried so the G2 surface can show the proof inline
instead of linking a scroll away; it is a byte-identical slice of
verification-report.md, never a summary of one.
The evidence-block label ('E1') or '' for a bare mention.
1-based line of the citation.
Run-relative artifact path.