Status: Note.
A supporting registry, not a declared family.
| Field | Value |
|---|---|
| witness: | witnessable-gated |
| technical: | experimental |
| adoption: | none |
| advertised as | not applicable |
registry.json lists providers known to expose a natural business-identity key. It informs the Layer-2 idempotency requirement in security-defaults.md. Hosts report the chosen strategy through GET /runs/{runId}/effects and the keying field of effect-ledger-projection.schema.json.
Sources: RFC 0150, RFC 0173.