@techreport{agentrust2026handoffresponseauthentication,
  title = {Authenticating the Answer in an Agent Handoff: Single-use, request-bound response authentication and the outcome a caller cannot know},
  author = {Imran Siddique},
  institution = {AgenTrust},
  year = {2026},
  type = {Technical report},
  note = {Version 1; not peer reviewed},
  doi = {10.5281/zenodo.23091302},
  url = {https://agentrust-io.com/research/handoff-response-authentication/v1/}
}