GET /api/v1/inference/attest mints a Hashbon-shaped carbon-neutral receipt and the canonical receipt shape it returns.
Request pilot access
Today the endpoint is unauthenticated — request pilot access through the public intake form so API keys ship to your team first when key checks go live.
OpenAPI spec
The machine-readable OpenAPI 3.0.3 contract for the /api/v1/* surface — the same shape the issuance endpoint returns, served from /api/v1/openapi.json.
Or paste a receipt hash at /verify/<hash> — expected format h_ followed by 64 lowercase hex characters, e.g. h_a1b2c3….