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Yo-yo compute substrate

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caac02e0 · PointSav Digital Systems ·

docs(substrate): add external references to yoyo-compute-substrate (2 files, bilingual pair)

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@@ -8,9 +8,13 @@ quality: published
short_description: "The three-ring compute substrate that lets service-slm spin GPU inference capacity up and down while retaining state, accumulating skill, and producing an audit ledger of every compute event."
status: active
bcsc_class: public-disclosure-safe
last_edited: 2026-05-01
last_edited: 2026-05-15
editor: pointsav-engineering
cites: []
references:
  - id: 1
    text: "Open Source Security Foundation. 'SLSA: Supply chain Levels for Software Artifacts v1.0.' SLSA.dev, 2023."
    url: "https://slsa.dev/spec/v1.0/"
paired_with: yoyo-compute-substrate.es.md
---

@@ -64,7 +68,7 @@ Ring 3a is project-scoped by design. One tenant's graph partition is inaccessibl

This is the compounding layer. Each new project leaves behind a fine-tuned LoRA adapter — a small, versioned, frozen-weight module that encodes task-specific behaviour. A adapter trained on classification patterns, entity resolution, or domain terminology runs on top of the base model weights at near-base inference speed.

Adapters are stored as OCI Artefacts, Sigstore-signed and SLSA-attested. They are loaded at inference engine boot:
Adapters are stored as OCI Artefacts, Sigstore-signed and SLSA-attested. [^1] They are loaded at inference engine boot:

- **Shared adapters** (prefixed `dka-*`) accumulate cross-project general-domain skill. Every project benefits when these improve.
- **Per-project adapters** (prefixed `{client}-*`) carry project-specific entity and terminology knowledge. They stay with their project.
@@ -128,10 +132,3 @@ Each of these may integrate as a configuration addition or new subdirectory. Non
- [[apprenticeship-substrate]] — how the Yo-Yo audit ledger generates LoRA adapter training signal
- [[three-ring-architecture]] — the platform ring structure the Yo-Yo substrate extends

## References

1. `YOYO-COMPUTE.md` — workspace-root technical specification for the Yo-Yo compute substrate; source document for this topic.
2. `SLM-STACK.md` — workspace-root Rust stack specification; companion to this topic.
3. [[sys-adr-07|SYS-ADR-07]] — structured data never routes through AI; the sanitise-outbound discipline the Doorman enforces before any Yo-Yo compute call.
4. [[sys-adr-10|SYS-ADR-10]] — the mandatory human checkpoint; the Doorman enforces this at the Ring 2 write path regardless of compute tier.
5. `conventions/compounding-substrate.md` — the five structural properties the Yo-Yo substrate contributes to.
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