diff --git a/profile/README.md b/profile/README.md
index f6c0cea..ce0b077 100644
--- a/profile/README.md
+++ b/profile/README.md
@@ -43,6 +43,7 @@ Working implementation of
    · [agent MCP exact-ref](https://traverse-framework.com/blog/agent-mcp-exact-ref.html)
    · [catalog model.execute](https://traverse-framework.com/blog/catalog-model-execute.html)
    · [agent + real traverse-mcp](https://traverse-framework.com/blog/agent-mcp-real-server.html)
+   · [one audit fingerprint, every host](https://traverse-framework.com/blog/hash-converges.html)
    · [How do I run the deny demo?](https://traverse-framework.com/questions/how-do-i-run-the-agent-blocked-weekly-demo.html)
    — `weekly-demos` is **not publicly cloneable yet** ([.github#30](https://github.com/traverse-framework/.github/issues/30))
 4. Where business logic lives (hosts stay thin; non-UI domain logic in capabilities;