---
source_handle: unspecified-sc-src
fetched: 2026-06-03
source_url: https://example.com/unspecified-sc
provenance: source-direct
substrate_confidence: unspecified
---
# Unspecified substrate confidence
## Summary
An attestation opting into the future fail-closed default; lints as a substrate gap.
## Key passages
> A load-bearing quote. — §1