# Curiosity-gap withholding Part of [The AI Tells Index](https://feedsquad.com/ai-tells). A tell signals low effort. It does not identify an author. Skilled writers produce every shape listed here, some of them daily, and automated detectors misread those writers for it at rates measured above 60 percent on non-native English prose. Nothing in this index proves that a machine wrote anything. Read an entry as one piece of evidence to weigh against the false-positive notes printed beside it. ## Facts - Id: curiosity-gap-withholding - Category: Rhetorical and discourse (rhetorical) - Subcategory: headline - Also known as: The one thing nobody tells you, withheld payload headline - Status: Contested. Credible people dispute that this signals anything at all. - Severity: low - Evidence grade: corroborated (named independently by multiple credible secondary sources) - Languages: en - Added: 2026-08-15 - Updated: 2026-08-15 - Page: https://feedsquad.com/ai-tells/curiosity-gap-withholding ## Description A headline or subject line names a category of information and withholds the item itself. The peer-reviewed anchor studies headline concreteness in information selection and records that curiosity-gap style spread through digital publishing in the early 2010s, well before any assistant existed. This entry absorbs the false-exclusivity family, where the withheld item is also claimed to be secret. Contested, because the human origin is documented and the machine version adds nothing new. ## Why it reads as machine-written Withholding is free and specifics are expensive. A headline that names its payload has to have one. The version worth flagging is the one where the body never supplies the promised item either, which is a property of the whole piece rather than of the headline, and is why this is a judge rule. ## Detection Type: judge (a rubric for a lightweight model judge) Rubric for a lightweight model judge: ```text Look only at the headline, subject line or first line of the supplied text. Answer yes when all three hold. (1) It names a category of information, such as a thing, a mistake, a reason, a number or a secret, without naming the item itself. (2) The withheld item is presented as unknown to the reader or hidden from them. (3) Reading the body does not produce the promised item as something a reader could write down in one sentence. Answer no when the body names the item within its first two paragraphs, when the headline itself names the item, or when the format is a quiz, a puzzle or a fiction serial where withholding is the genre. Return the verdict, quote the headline, and state the item the body supplies if it supplies one. ``` ## Examples Constructed specimens. Written for this index. Never quoted from anyone's posts. ### Specimen 1 Before, exhibiting the tell: > The one thing nobody tells you about hiring your first employee After, repaired: > Your first employee will ask for a written role description before you have written one. Ours did, in week two, and we had nothing to send. Note: Figures in this repair are invented for the specimen. ### Specimen 2 Before, exhibiting the tell: > What most founders miss about pricing, and how to fix it After, repaired: > We moved from per-seat to per-workspace pricing in April. Two accounts doubled their spend, one halved it, and support tickets about seat counts went to zero. Note: Figures in this repair are invented for the specimen. ## False positives Who legitimately writes this way. Human viral publishing invented this and any tabloid front page still qualifies, which is the reason the entry ships contested rather than active. Newsletter writers are taught curiosity-gap subject lines as craft, and a subject line that gives away the whole issue is a bad subject line by the standards of the trade. Fiction, quizzes and serialised reporting withhold on purpose. The reviewer test is on the body, not the headline: can a reader write down the promised item in one sentence after reading the piece? If yes, the headline was a hook doing its job. If no, the promise was the product. ## Model attribution Unattributed, and the pattern predates assistants by a decade of human publishing. Neither practitioner source separates model families, and the peer-reviewed source studies human headlines only. ## Platform notes - youtube: The spam policy names malicious clickbait in titles, thumbnails and descriptions. The policy turns on the mismatch between promise and content, not on the headline style. - meta: Engagement bait has been formally defined and demoted since December 2017. The withheld-payload headline is adjacent to that definition but is not the same thing, since the policy targets asks for reactions. ## Sources 1. Scientific Reports, clickbait and curiosity gap headlines https://www.nature.com/articles/s41598-024-81575-9 (tier: peer-reviewed; accessed 2026-08-14) 2. tropes.fyi pattern directory https://tropes.fyi/directory (tier: community; accessed 2026-08-14) 3. vale-ai-tells, 111 machine-checkable rules https://github.com/tbhb/vale-ai-tells (tier: community; accessed 2026-08-14) ## Status history Ids are permanent. A retired tell keeps its id and its page. - 2026-08-15, Contested: Opened as contested. The peer-reviewed anchor documents curiosity-gap headlines spreading through human digital publishing in the early 2010s, so the shape carries no authorship signal at all. It ships because a headline whose payload never appears is worth a review pass, and the entry says plainly that the origin is human. ## License CC BY 4.0. https://creativecommons.org/licenses/by/4.0/ Attribution: The AI Tells Index, feedsquad.com/ai-tells Reuse the data, including commercially. Keep the attribution line. --- Dataset version 1.0.0. Schema version 1. Part of [FeedSquad](https://feedsquad.com). Built by [Herman Foundry](https://hermanfoundry.com) from Levi, Finnish Lapland.