fix: titles, nav wiring, typos, server_tokens (preview branch — does not deploy)

10 files changed, 56 insertions, 5 deletions

diff --git a/blog/how-this-site-works.qmd b/blog/how-this-site-works.qmd
index d142a59..45731e7 100644
--- a/blog/how-this-site-works.qmd
+++ b/blog/how-this-site-works.qmd
@@ -3,6 +3,11 @@ title: "How This Site Works"
 date: "2026-08-05"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 ## WHY
 
 I wanted publishing to be easy, and I wanted this site to
diff --git a/blog/index.qmd b/blog/index.qmd
index 35710e2..2bf6775 100644
--- a/blog/index.qmd
+++ b/blog/index.qmd
@@ -2,6 +2,11 @@
 title: "Jayrup Nakawala | Blog"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 RANDOM THOUGHTS, EXPERIMENTS, AND SYSTEMS NOTES
 --------------------------------------------------
 
diff --git a/blog/jacobian-lens-frequency.qmd b/blog/jacobian-lens-frequency.qmd
index 6a81809..e7a516d 100644
--- a/blog/jacobian-lens-frequency.qmd
+++ b/blog/jacobian-lens-frequency.qmd
@@ -3,6 +3,11 @@ title: "What the Jacobian Lens Measures"
 date: "2026-08-07"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 *A small replication of Anthropic's J-lens, the token-frequency confound I found, and the bug I almost published.*
 
 *This is a story about trying to look inside a language model. I found something
diff --git a/blog/prime-grokking-1.qmd b/blog/prime-grokking-1.qmd
index 5898131..e6ac85a 100644
--- a/blog/prime-grokking-1.qmd
+++ b/blog/prime-grokking-1.qmd
@@ -3,6 +3,11 @@ title: "Can a Tiny Network Learn What a Prime Is?"
 date: "2026-08-14"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 *I trained two tiny neural networks to compute the next prime after a number,
 to see whether either would discover the algorithm instead of memorizing the
 answers. Neither did. The way they failed is more interesting than the failure.*
diff --git a/blog/prime-grokking-2.qmd b/blog/prime-grokking-2.qmd
index f97dcfc..ed23fe6 100644
--- a/blog/prime-grokking-2.qmd
+++ b/blog/prime-grokking-2.qmd
@@ -3,6 +3,11 @@ title: "Still No Grokking: The Weight-Decay Sweep"
 date: "2026-08-16"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 *Part 1 found no grokking at weight decay 1.0, and the seed replication
 confirmed it. So I did the obvious thing: swept the weight decay across
 five orders of magnitude and watched. Still no grokking. The way it
diff --git a/blog/prime-grokking-3.qmd b/blog/prime-grokking-3.qmd
index dab2e37..3ff0e02 100644
--- a/blog/prime-grokking-3.qmd
+++ b/blog/prime-grokking-3.qmd
@@ -3,6 +3,11 @@ title: "Where Exactly Is the Wall?"
 date: "2026-08-17"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 *The first three phases established that a tiny network cannot grok the
 next-prime function, and that weight decay doesn't help. This post is the
 forensic part: four pre-registered diagnostics to find out where the wall
diff --git a/index.qmd b/index.qmd
index 363c5b2..d06ad06 100644
--- a/index.qmd
+++ b/index.qmd
@@ -1,3 +1,9 @@
+---
+format:
+  html:
+    title: "Jayrup Nakawala"
+---
+
 JAYRUP NAKAWALA
 --------------------------------------------------
 Independent AI-safety researcher
@@ -25,6 +31,7 @@ inspected, and experiments that fail loudly.
 
 --------------------------------------------------
 
+<nav>
 HOMEPAGE:      curl [jayrup.me](https://jayrup.me)\
 PROJECTS:      curl [jayrup.me/projects](https://jayrup.me/projects)\
 BLOG:          curl [jayrup.me/blog](https://jayrup.me/blog)\
@@ -34,8 +41,9 @@ GIT:           [git.jayrup.me](https://git.jayrup.me)\
 GITHUB:        [github.com/CaptainJack2491](https://github.com/CaptainJack2491)\
 LINKEDIN:  [linkedin.com/in/jayrupnakawala](https://linkedin.com/in/jayrupnakawala)\
 EMAIL:     [jayrupnakawala@gmail.com](mailto:jayrupnakawala@gmail.com) \
+</nav>
 
-[Note] If you are on windows use curl.exe
+[Note] If you are on Windows use curl.exe
 
 --------------------------------------------------
 
diff --git a/nginx.conf b/nginx.conf
index c8668c0..d4517f5 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -14,6 +14,9 @@ server {
     server_name jayrup.me;
     root /usr/share/nginx/html;
 
+    # Don't leak nginx version on error pages / server header
+    server_tokens off;
+
     # Serve PDFs directly
     location ~* \.pdf$ {
         add_header Content-Type application/pdf;
diff --git a/projects/dis/index.qmd b/projects/dis/index.qmd
index ef62874..b53f9b6 100644
--- a/projects/dis/index.qmd
+++ b/projects/dis/index.qmd
@@ -1,7 +1,12 @@
 ---
-title: "Dissertation"
+title: "Jayrup Nakawala | Dissertation"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 ## MORAL COVER AND WATCHFUL EYES: THE LIMITS OF IN-CONTEXT INTERVENTIONS ON LLM DECEPTION
 
 Jayrup Nakawala \
diff --git a/projects/index.qmd b/projects/index.qmd
index 840c053..9b44f24 100644
--- a/projects/index.qmd
+++ b/projects/index.qmd
@@ -2,8 +2,13 @@
 title: "Jayrup Nakawala | Projects"
 ---
 
+<nav>
+[Home](https://jayrup.me) | [Blog](https://jayrup.me/blog) | [Projects](https://jayrup.me/projects) | [CV](https://jayrup.me/cv) | [Dissertation](https://jayrup.me/dissertation) | [Git](https://git.jayrup.me)
+</nav>
+
+
 ## [1] DECEPTIVE ALIGNMENT IN AUTONOMOUS LLM AGENTS \
-[Github](https://github.com/CaptainJack2491/dissertation) | [Full Summary](https://jayrup.me/dissertation) \
+[GitHub](https://github.com/CaptainJack2491/dissertation) | [Full Summary](https://jayrup.me/dissertation) \
 Undergraduate Dissertation (Final Year)
 
 Studied whether in-context oversight and moral framing
@@ -42,13 +47,13 @@ rewards website and automated collecting rewards using
 a script attached to a cron job.
 
 Worked with JWTs and jq to parse the response. First 
-used curl and jq for prototyping and then implimented 
+used curl and jq for prototyping and then implemented 
 in python for production.
 
 --------------------------------------------------
 
 ## [4] THIS WEBSITE \
-[Github](https://github.com/CaptainJack2491/website)
+[GitHub](https://github.com/CaptainJack2491/website)
 
 A personal website designed to be read from the
 terminal. Every page renders as both HTML and plain