07 / System Integrity
Immutable Audit Layer
Append-only, time-sequenced, and independently reviewable by design.
Risk outputs and reports are secured through this audit layer.
Append-onlyTime-sequencedEvidence-backedIndependently reviewable
Illustrative chain — demonstration purposes only
Integrity Properties
⬡Append-only
Every state transition appended to an immutable event ledger. Records are never edited in place.
◷Time-sequenced
All events timestamped and sequenced at ingestion. Temporal order preserved and reviewable.
✦Independently reviewable
Evidence bundles support independent review without reliance on the fund's own reporting.
⟳Replayable from recorded event history
Full audit replay from event log to any historical state, producing consistent, reproducible results.
Technical Specification
Ledger typeAppend-only event log
Evidence modelEvidence bundles attached to each report
Verification modeIndependent review via evidence bundle
Replay coverageCoverage across core risk calculations