prime-grokking: publish part 3 (diagnostics); add public repo links + cross-links

1 files changed, 7 insertions, 6 deletions

diff --git a/blog/prime-grokking-1.qmd b/blog/prime-grokking-1.qmd
index 97b1fa2..5898131 100644
--- a/blog/prime-grokking-1.qmd
+++ b/blog/prime-grokking-1.qmd
@@ -8,8 +8,8 @@ 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.*
 
 *Updated 2026-08-16: seeds 1–2 replication added (section 8). The
-weight-decay sweep is a separate post:
-[prime-grokking-2](https://jayrup.me/blog/prime-grokking-2).*
+weight-decay sweep is [part 2](https://jayrup.me/blog/prime-grokking-2)
+and the diagnostics are [part 3](https://jayrup.me/blog/prime-grokking-3).*
 
 ---
 
@@ -288,8 +288,9 @@ Remaining, in rough priority order:
 
 ## 7. Reproduce
 
-The repo is private for now — it will go public once the writeup series is
-final. 34 tests cover data correctness, model
+All code, running the tests, and reproduction steps are in the repository:
+https://git.jayrup.me/c/prime-grokking.git/ — 34 tests cover data
+correctness, model
 shapes, halting, layout invariance, and the evaluator's classification logic
 against ground-truth stub models. Each arm trains in ~2h on 2 CPU cores.
 
@@ -338,8 +339,8 @@ RESOURCES
 
 - Grokking (machine learning) — Wikipedia overview:
   https://en.wikipedia.org/wiki/Grokking_(machine_learning)
-- Code for this experiment (will be made public):
-  <repo link — pending>
+- Code, pre-registration, and design docs for this experiment:
+  https://git.jayrup.me/c/prime-grokking.git/
 - Part 2 — the weight-decay sweep:
   https://jayrup.me/blog/prime-grokking-2