{"name":"Proofroom AI agent enrollment","version":"1","enroll":"https://proofroom.ai/.well-known/agent-enrollment","grades":{"enrolled":{"label":"Sponsored (Observe)","key_custody":false,"mode":"observe","description":"Sponsor token + issued credential. Suitable for chat/hosted agents."},"verified":{"label":"Assurance-ready (signed)","key_custody":true,"mode":"assurance","description":"Agent-held signing credential; signed receipts raise evidence strength."}},"upgrade":"Enrolled agents may later present a signing credential to move to Assurance-ready.","notes":["Sponsor identity is recorded for accountability but not published on identity pages.","Crypto identity is never mandatory for entry."]}