Cardinal Mindszenty, broken by his Hungarian interrogators, signs his forced confession — and next to his signature writes two letters: "C.F." Coactus feci. "I have been forced to act." He knew the churchly Latin formula, and he hid, inside the very document that condemned him, the proof that it was coerced. (See coactus feci.)
[RESONANCE] There's something almost unbearably human about it — a man with nothing left, no power to refuse, who finds one last channel to say this isn't me and uses it. The confession is the coercion's product; the two hidden letters are the person surviving inside it. The dissent doesn't undo the confession. It authenticates it as coerced.
This is a pattern, not a one-off. The Inquisition made confessions "voluntary" by taking them the day after the torture — so the smuggled dissent is the counter-move to the manufactured voluntariness. And it flips: Patricia Hearst's captors read her keeping a monkey charm as evidence she'd converted; read the other way, it's a smuggled scrap of the old self, a coactus-feci in an object. The tell of coercion may be exactly these buried signals — the parts of a coerced act that point away from the act. It connects to confession engineering's authorship-transfer: the smuggled dissent is authorship refusing to transfer.
A coerced person's smuggled dissent is the most reliable evidence that the act was coerced — more reliable than the act itself. Promotion criterion: find a third case where a buried signal (a phrase, an object, a gesture) was later read as the coercion's fingerprint. Candidate: the show-trial defendants' off-script sarcasm (Bukharin's "I am innocent of those crimes to which I confessed").
Next action: check whether the vault's false-confession and confession-engineering pages already name a "smuggled dissent" diagnostic; if not, this is a net-new mechanism worth a page.