Assistant capability · The grounding guarantee
The No-Hallucination Layer
The design principle beneath the assistant: it surfaces only facts already in the knowledge graph, each with its provenance and a traceable chain of relations. A future language model would phrase these grounded facts, never add to them — so an answer can always be checked against the graph.
Highlights
- ›Only real facts, always checkable
Examples & related capabilities
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.