Tier 0 customer-side sovereign specialist

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paired_with: tier-zero-customer-side-sovereign-specialist.es.md
---

The **Tier 0 Customer-Side Sovereign Specialist** is the reference deployment model for Foundry: the complete platform stack running on the customer's own hardware, with no required cloud dependency, no required internet connectivity, and a total disk footprint of approximately one gigabyte.
The **Tier 0 Customer-Side Sovereign Specialist** is the reference deployment model for the platform: the complete platform stack running on the customer's own hardware, with no required cloud dependency, no required internet connectivity, and a total disk footprint of approximately one gigabyte.

## The reference unit

@@ -38,13 +38,13 @@ No GPU acquisition, no driver maintenance, and no thermal management are require

## Sovereignty properties

The Totebox operates without Foundry's servers, without any continuing relationship with the model's original authors (existing files work indefinitely), without external API keys (Tier C is opt-in and off by default), without internet connectivity, and without any cloud subscription. The substrate works fully offline.
The Totebox operates without the platform's servers, without any continuing relationship with the model's original authors (existing files work indefinitely), without external API keys (Tier C is opt-in and off by default), without internet connectivity, and without any cloud subscription. The substrate works fully offline.

The [[substrate-without-inference-base-case]] convention extends this: even the AI tier itself is optional. The deterministic Ring 1 and Ring 2 services — the ledger, the knowledge graph, and the processing services — operate independently of the AI tier. The Totebox is the customer's property in the strongest sense.

## Hardware scale

For a five-person business, a mini-PC class appliance is sufficient. For a thirty-person firm, a slightly larger appliance handles concurrent Ring 1, Ring 2, and AI tier operations. For a three-hundred-person firm or a regional hospital, a multi-unit cluster with an optional GPU box is intended. The Foundry commercial focus is the first two scales; larger deployments are possible but not the primary market.
For a five-person business, a mini-PC class appliance is sufficient. For a thirty-person firm, a slightly larger appliance handles concurrent Ring 1, Ring 2, and AI tier operations. For a three-hundred-person firm or a regional hospital, a multi-unit cluster with an optional GPU box is intended. The platform's commercial focus is the first two scales; larger deployments are possible but not the primary market.

## Optional tiers