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+# Anthropic Authority Substrate Checklist
+
+Status: Planning / execution checklist  
+Date: 2026-06-11  
+Parent index: `docs/planning/AUTHORITY-SUBSTRATE-OUTREACH-PLAN.md`
+
+This checklist organizes the Anthropic-facing execution path around the merged Claude-to-CORE Hybrid Verification Demo. The goal is to produce an evidence-backed packet that can be reviewed by Anthropic safety, agent infrastructure, MCP,
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