{"spec":"trackjet-status-ontology","version":2,"published":"2026-06-10","states":["pending","in_transit","out_for_delivery","delivered","exception","returned","unknown"],"rules":["original carrier wording is always preserved alongside the canonical state","unclassifiable wordings map to unknown, never to a guess","exception is a recoverable flag, not a terminal state"],"consumed_by":["web timeline","REST /api/v1","GraphQL","webhooks","MCP tools"],"license":"CC BY 4.0"}