RESOURCES
Short definitions of the terms used across the Substrate platform.
Articles in Glossary
- Glossary
Adapter
An adapter is the artifact Substrate's Adaptation service produces when an open model is fine-tuned on a site's own data. It is trained on the appliance, stays on the appliance, and belongs to the customer.
· 2 min read
- Glossary
Watchman
Watchman is the Substrate service that continuously verifies the signed software image and the enclosure's tamper indicators, writing any deviation to an append-only record.
· 2 min read
- Glossary
Local Bridge
Local Bridge is the Substrate service that connects the appliance to on-premise systems over routes the site has explicitly declared. No default path to the public internet exists.
· 2 min read
- Glossary
Latency budget
A latency budget is the time a caller declares it can wait for an answer from the pool. Substrate routes and batches to meet it, and the caller falls back if the pool cannot.
· 2 min read
- Glossary
Inference service
The Inference service is the part of Substrate that serves models to callers on the facility network, behind a stable API that does not change when the hardware underneath does.
· 2 min read
- Glossary
Substrate
Substrate is the serving platform inside the Czar appliance: seven services behind one API on the facility network, serving open-weight models with nothing leaving the building.
· 2 min read