dominicrume/cantor8_kya_rails: docs/evidence/index.md

# Evidence index Every public artefact, with the date it appeared and where to verify it. Generated by `tools/evidence_pack.py` on **2026-09-24 20:34 UTC** from the GitHub, PyPI and Canton forum APIs. Regenerate before submitting anything: numbers move, and a stale figure is the one an assessor chec