# Structured Financial Data and Verifiable Documents Solve Different Problems

XBRL, APIs and ledgers move and process structured facts; a portable document also serves human presentation, provenance, finality and retained-copy verification.

## 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.