{"rfc":15,"draft":4,"source_sha256":"c920dd6e725465903f37aadae3fb7ac2bf335e14184f024fb7a032c8f9b75cf5","candidate_occurrences":[{"source_locator":"RFC-AI-15:D4:L29:O1","line":29,"token":"MUST","text":"## MUST-DESIGN CRITERIA — CEO-DIRECTED PROPOSED FUTURE SYSTEM","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L30:O1","line":30,"token":"MUST","text":"MUST-15-01: MUST call GetUTCDateNow() rather than read the local clock directly in every dependent operation; must report unknown freshness when time trust is uncertain.","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L30:O2","line":30,"token":"MUST","text":"MUST-15-01: MUST call GetUTCDateNow() rather than read the local clock directly in every dependent operation; must report unknown freshness when time trust is uncertain.","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L31:O1","line":31,"token":"MUST","text":"MUST-15-02: MUST inherit authoritative clock synchronization requirements from RFC-AI 8 and the Time Interface; implementation internals belong there.","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L31:O2","line":31,"token":"MUST","text":"MUST-15-02: MUST inherit authoritative clock synchronization requirements from RFC-AI 8 and the Time Interface; implementation internals belong there.","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L36:O1","line":36,"token":"MUST","text":"REQ-AI-15-UTC-001: Future workers MUST use the current designated UTC Standard and GetUTCDatetimeNow() for UTC instant observations; GetUTCDateNow() is a documented deprecated instant alias, not an independent conflictin","classification":"UNCLASSIFIED_WORD_OCCURRENCE"},{"source_locator":"RFC-AI-15:D4:L37:O1","line":37,"token":"MUST NOT","text":"REQ-AI-15-UTC-002: A timestamp string or a recently written master_clock.txt MUST NOT be treated as proof of clock accuracy, causal ordering, worker ownership or durable storage.","classification":"UNCLASSIFIED_WORD_OCCURRENCE"}],"status":"DERIVED_WORD_LOCATOR_NOT_NORMATIVE"}