# A Document Can Prove Its Integrity Without Proving Its Numbers Are Correct

Document integrity establishes whether bytes changed. It does not establish accounting accuracy, regulatory compliance, economic truth or freedom from fraud.

## Boundary

Universal Document can prove implemented document-integrity dimensions. It does not prove numerical accuracy, financial compliance, economic truth, audit sufficiency, regulatory acceptance or freedom from fraud.

## Architecture

UDR records change. UDS preserves an exact final state. BrowserCarrier provides offline-readable delivery. Existing financial systems remain in place.