Material evidence
Outputs must exist as verifiable artifacts, not status assertions.
AION separates execution from acceptance so a worker cannot mark its own work complete without evidence.
Verification focuses on durable evidence, independent acceptance and readback before completion.
Outputs must exist as verifiable artifacts, not status assertions.
A worker cannot self-authorize its final completion transition.
Accepted state is read back from the target system before continuation.

Receipts, render evidence, state transitions and readbacks provide a durable basis for acceptance and continuation.
Interfaces shown publicly must represent real systems or clearly labeled conceptual diagrams.
Metrics, customers and case results require verified evidence before publication.
Preview, approval and production readback remain explicit release transitions.