Knowledge base›Source register
Source register
External work on the ChatGPT pipeline, each checked against our measurements — with date, model state and a claim-by-claim comparison. A finding without its publication date is a point in time, not a contradiction.
| Date | Author | Check |
|---|---|---|
| 2026-09-29 |  Tom Wells (Vaer AI) AI retailer bias study: how AI shopping answers favour chains over small shops |
2 confirmed 4 unverifiable |
| 2026-08-24 |  David Konitzny (Peec AI) How unique are domains & URLs in ChatGPT query fan-outs? |
3 confirmed 1 unverifiable |
| 2026-08-21 |  Suganthan Mohanadasan ChatGPT Rebuilt Its Search Tool. I Read the New Language It Speaks. |
4 confirmed 1 unverifiable |
| 2026-08-21 |  Metehan Yesilyurt Reddit lost most of its visibility in ChatGPT, and the site parameter filled the gap |
1 confirmed 3 unverifiable |
| 2026-08-17 |  Lily Ray What we can learn from evolving ChatGPT search |
1 confirmed 1 outdated |
| 2026-08-17 |  Olivier de Segonzac (RESONEO) Inside ChatGPT's retrieval stack: index, cache and live pages |
1 confirmed 1 outdated 3 unverifiable |
| 2026-08-10 | Suganthan Mohanadasan ChatGPT Already Knows Who's In The Running Before It Searches |
1 confirmed 2 unverifiable |
| 2026-08-10 | Klaas Foppen (Promptwatch) ChatGPT site: operator fanouts |
1 outdated 1 unverifiable |
| 2026-07-22 |  Josh Blyskal (Profound) The state of AEO in 2026: Claude is not ChatGPT |
1 confirmed 2 unverifiable |
| 2026-07-14 | Suganthan Mohanadasan ChatGPT Changed How It Picks Sources While You Were Reading My Last Post |
1 confirmed 2 unverifiable |
| 2026-07-08 |  Danny Goodwin (Search Engine Land), data by Suganthan Mohanadasan ChatGPT citations change: hidden search pipelines |
1 confirmed 1 outdated |
| 2026-07-02 |  Dan George (Little Green Agency) ChatGPT has hidden its fan-out queries - here's how to get them back with n8n |
1 outdated |
| 2026-06-24 | Suganthan Mohanadasan How ChatGPT Actually Picks Sources (I Read the Network Traffic, Not the Outputs) |
1 confirmed 2 outdated 1 unverifiable |
| 2026-06-22 | David Konitzny (Peec AI) How ChatGPT Deep Research reads your site: What the logs reveal |
1 confirmed 1 outdated 3 unverifiable |
| 2026-05-14 | Olivier de Segonzac (RESONEO) Inside ChatGPT Search: how web.run and fan-out queries shape AI visibility |
3 outdated 1 unverifiable |
| 2026-05-05 |  Tomek Rudzki (Peec AI) Patterns we see in ChatGPT query fanouts |
1 confirmed 1 outdated 1 unverifiable |
| 2026-02-13 | Metehan Yesilyurt Reverse-Engineering the OpenAI's GPT-5 Tokenizer: What 200,000 Tokens Reveal About AEO/GEO |
4 unverifiable |
| 2026-02-12 | Tom Wells (Peec AI) Country analysis of 20 million search QFOs |
2 confirmed |
| 2026-02-01 | Olivier de Segonzac (RESONEO) ChatGPT Search: the complete teardown |
1 confirmed 2 unverifiable |
| 2026-01-02 | Clement Schneider ChatGPT-5 search architecture |
2 outdated |
| 2025-12-19 | David McSweeney (QueryBurst) How ChatGPT works |
1 unverifiable |
| 2025-12-14 |  Alin Radulescu (GPTSpy) Dissecting a ChatGPT Web HAR: Architecture, Conversation Flow and Data |
3 confirmed 1 outdated |
| 2025-12-08 | Josh Blyskal (Profound) What 250 million AI search results say gets cited |
1 confirmed 1 outdated 2 unverifiable |
| 2025-11-19 | David Konitzny (then KKP), Masters of Search Podcast ChatGPT DECODED! How AI Search works |
3 confirmed 1 outdated |
| 2025-11-03 | Josh Blyskal, Ralfi Berk, Sartaj Rajpal (Profound) ChatGPT's entity update |
2 unverifiable |
| 2025-09-01 | Metehan Yesilyurt The RRF Top-n Playbook: How to Get Cited by ChatGPT's Web Mode |
1 outdated 1 unverifiable |
| 2025-08-09 |  Chris Green Diving into ChatGPT-5's web search function |
1 confirmed 2 outdated 1 unverifiable |