# documentation ## understanding the relay [Architecture](architecture/design.md) · [CAR verification](architecture/car-verification-review-2026-09-20.md) ## running it [Configuration](operations/configuration.md) · [Deployment and rollback](operations/deployment.md) · [Collection backfill](operations/backfill.md) · [Implementation gotchas](operations/gotchas.md) ## measurements [Measurement overview](measurements/measurements.md) explains what has been demonstrated and what remains unverified. [Storage experiments](measurements/storage/) contain the comparison reports and their raw evidence. [Fixture provenance](measurements/fixture-reader.md) documents the shared offline reader. ## history [Incidents, investigations and handoffs](history/) retain earlier implementations and debugging evidence. They are historical context, not current operating instructions.