Generative Engine Optimization in which every claim presented for citation is source-backed and auditable. Each statistic carries a named source and a date, each entity assertion resolves to an independent profile, and the passages a model retrieves can be checked rather than merely trusted.
Ordinary GEO asks how to get an engine to cite you. Verifiable GEO adds a second requirement: that what the engine repeats about you is true, attributable, and still true a year from now.
The failure mode differs from search. A ranked link invites the reader to judge the source. A generated answer removes that context — the model states the claim in its own voice, and the reader has no page in front of them. Attribution becomes the only remaining check, and an unsourced figure repeated by an engine is harder to correct than one sitting on a page nobody read.
Each is checkable by someone who did not write the page. Content meeting all six is verifiable; content missing any one of them is not, however well it reads.
| Requirement | In practice |
|---|---|
| Sourced statistics | Every figure names who produced it and when, beside the claim. |
| A claims register | Each performance figure has a recorded entry — value, basis, source, date verified — written before publication, not after. |
| Resolvable entities | Assertions about a firm or person resolve to independent profiles that actually load. |
| Passage-level retrievability | Content is structured so an engine retrieves a self-contained answer, not a fragment that changes meaning out of context. |
| Schema matching the page | Structured data describes only what is visible and server-rendered. |
| Bounds over estimates | Where data is incomplete, publish a bound and say why it is a floor. |
This definition was authored by InterCore Technologies, a legal marketing firm, and is applied across the law firms it markets. The applied guide — how a firm adopts the standard — is published at intercore.net/geo-for-lawyers/verifiable-geo.
Verifiable GEO does not replace them. GEO, AEO and AIO describe where you are trying to appear — a generated answer, a direct answer, an AI Overview. Verifiable GEO describes what standard the content meets before you try to appear anywhere.