Polish per review: results.md GPT-2 -0.18 demoted to do-not-cite footnote; blog section 10 adds W_U-at-init scale prediction (one-line GPT-2 unembedding check)

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@@ -385,6 +385,12 @@ regime where Anthropic's claims live) with proper statistical power, and to run
 the occupancy test their capacity claim is actually about. That's the next
 post.
 
+The learned-geometry finding makes one piece of that cheap and decisive: if
+the W_U row-norm anti-correlation is a general property of softmax-output
+models trained on Zipfian data, it should appear in GPT-2's unembedding matrix
+directly — no Jacobian computation at all. One line of code at scale, and it
+either generalizes or it doesn't.
+
 ## 11. How to reproduce everything
 
 All code, data-prep scripts, experiment scripts, tests, and this analysis live