Substack adds AI text detection to all notes and posts
News & ViewsAgainst ClaudefishingBuilding trust in the AI ageChris BestJul 21, 20266,6191,609881Share“The Turk,” engraving by Joseph Racknitz, 1789It’s getting harder to tell what’s real on the internet.This is less true on Substack, and we aim to keep it that way. As a first step, we’re launching a feature with Pangram in the Substack app today. Going forward, you’ll be able to scan text to see how much of it was likely written by hand or with AI assistance.
- ▪News & ViewsAgainst ClaudefishingBuilding trust in the AI ageChris BestJul 21, 20266,6191,609881Share“The Turk,” engraving by Joseph Racknitz, 1789It’s getting harder to tell what’s real on the internet.This is less true on Substack, and we
- ▪As a first step, we’re launching a feature with Pangram in the Substack app today.
- ▪Going forward, you’ll be able to scan text to see how much of it was likely written by hand or with AI assistance.
Hacker News (AI / LLM) files mainly under ai. We currently carry 3,331 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Hacker News (AI / LLM) |
| Canonical URL | https://post.substack.com/p/against-claudefishing |
| Publication time | Sat, 25 Jul 2026 07:04:43 +0000 |
| Retrieval time | 2026-07-25T07:22:08.412Z |
| Last seen | 2026-07-25T07:22:08.412Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | neeSeIXob2Yz |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
News & ViewsAgainst ClaudefishingBuilding trust in the AI ageChris BestJul 21, 20266,6191,609881Share“The Turk,” engraving by Joseph Racknitz, 1789It’s getting harder to tell what’s real on the internet.This is less true on Substack, and we aim to keep it that way. As a first step, we’re launching a feature with Pangram in the Substack app today. Going forward, you’ll be able to scan text to see how much of it was likely written by hand or with AI assistance. More on that in a moment, but first let me explain why this matters.Water, water, everywhere, nor any drop to drinkThere is an increasing share of text on social media that is generated by AI—as much as 40% on some platforms, according to Pangram’s estimate. This is a big change.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Hacker News (AI / LLM).
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