{"standard":"environment.market_state (Verifiable Intent environment.* constraint family); APTS v1.0 check vocabulary preserved for citation continuity","oracle":"Headless Oracle v5","version":"v5.0","last_verified":"2026-05-06T20:00:08.402Z","check_vocabulary":"APTS v1.0 — 6 pre-trade safety checks. Predecessor working-spec name retained for citation continuity; concepts incorporated into environment.market_state (Verifiable Intent environment.* family).","checks":[{"check":"APTS-001","name":"signed_attestation","status":"pass","evidence":"Ed25519 signed receipt on every response via /v5/status, /v5/demo, /v5/batch, and MCP get_market_status tool"},{"check":"APTS-002","name":"circuit_breaker_detection","status":"pass","evidence":"ORACLE_OVERRIDES KV namespace — real-time HALTED/OVERRIDE status with reason field"},{"check":"APTS-003","name":"settlement_window","status":"pass","evidence":"Lunch break sessions (XJPX, XHKG, XSHG, XSHE), early close days, religious holidays (Eid Al-Fitr for XSAU/XDFM), holiday calendars 2026–2027 for all 28 exchanges across 6 regions"},{"check":"APTS-004","name":"receipt_freshness","status":"pass","evidence":"60-second TTL — all receipts include expires_at = issued_at + 60s, signed as part of canonical payload"},{"check":"APTS-005","name":"signature_verification","status":"pass","evidence":"Ed25519 via @noble/ed25519 — public key at /.well-known/oracle-keys.json — consumer SDK @headlessoracle/verify"},{"check":"APTS-006","name":"fail_closed","status":"pass","evidence":"4-tier fail-closed architecture: UNKNOWN status on all error paths — consumers must treat UNKNOWN as CLOSED"}],"sma_spec_version":"1.0","sma_status":"retired_working_spec_name; concepts incorporated into environment.market_state (Verifiable Intent environment.* family)","sma_spec_url":"https://github.com/LembaGang/sma-protocol/blob/master/SPEC.md","verify_sdk":"https://npmjs.com/package/@headlessoracle/verify","standard_url":"https://github.com/LembaGang/agent-pretrade-safety-standard/blob/master/STANDARD.md","standard_status":"retired_brand; check vocabulary preserved","spec_family":{"name":"Verifiable Intent environment.* constraint family","role":"reference implementation of environment.market_state","upstream_repo":"agent-intent/verifiable-intent","pull_requests":[{"constraint":"environment.market_state","pr":9,"url":"https://github.com/agent-intent/verifiable-intent/pull/9","status":"coordinated drafting"},{"constraint":"environment.wallet_state","pr":22,"url":"https://github.com/agent-intent/verifiable-intent/pull/22","status":"coordinated drafting"}]}}