Export the period retention archive
Exports the period-sealed NF525 retention archive (JET, G4): the [from, to] window’s ticket signatures + closures anchored to the pre-window chain, plus the algorithm manifest and published public keys so an auditor re-verifies it OFFLINE. store (the chain id) and the ?from=/?to= UTC-day window (YYYY-MM-DD) are REQUIRED — a missing store or a missing/inverted window 400s.
Authorizations
Authorization: Bearer <token>. Accepts EITHER a Keycloak access token (scopes-in-token) OR an opaque POS session token; both resolve to the same pos.* scope vocabulary the route guards enforce.
Response
The self-describing period archive for offline re-verification.
The self-describing period archive for offline re-verification.

