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
CHAIN VALIDBLOCK N−33a7f…d91bPREV: genesis2026-02-01 10:00:01BLOCK N−2b84e…f27cPREV: 3a7f…d91b2026-02-01 10:00:04BLOCK N−1c61d…a83ePREV: b84e…f27c2026-02-01 10:00:07BLOCK N9f3b…c14dPREV: c61d…a83e2026-02-01 10:00:10PENDINGawaiting…append-only · chronological · independently reviewable
append-only · chronological · fully auditableENTRY N−33a7f…d91bPREV: genesis2026-02-01 10:00:01ENTRY N−2b84e…f27cPREV: 3a7f…d91b2026-02-01 10:00:04ENTRY N−1c61d…a83ePREV: b84e…f27c2026-02-01 10:00:07ENTRY N9f3b…c14dPREV: c61d…a83e2026-02-01 10:00:10

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