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Re-running the capstone under both anchors turned up something worse than the anchor question. The uncle-anchored arm should have bit-reproduced the committed capstone, since its key is unchanged -- and it did not. Bisecting against the pre-session source showed my changes are clean (identical trajectory, epochs=21, tail 0.994358 either way); the committed parquet is simply stale. It is dated 24 July and has no uncle_model column at all, so it predates the countable redesign. sec 8.4's headline table has been reporting UNRESTRICTED-model numbers ever since that landed. sec 9's "all studies re-run" note covers the slot-counting fix of 23/24 July, not the countable redesign of 4 August, and the capstone was missed. Corrected, countable model, delta_max = 8, U = 2, W = 10, k = 2160, 8 reps: honest D-hat/D 0.996 (was 1.001) p_ref 0.944 (was 1.000) 30% suppress 0.994 (was 0.998) p_ref 0.936 (was 0.990) Lower, and p_ref materially lower, because the first-fork restriction makes some orphans unreferenceable that the earlier model counted. No recommendation changes: accuracy sits inside the +-0.9% per-epoch noise floor below the hard ceiling of 1, consensus is exact, p_ref stays far above the ~0.3 the soft rule needs. sec 6.8's p_ref quotes came from the same stale run and are corrected too. The anchor result the re-run was for: parent-anchored gives 0.996 honest -- unchanged -- but 0.974 under the 30% suppression adversary, with p_ref 0.875. The effects compound: a tighter effective window leaves an orphan fewer chances to be referenced before its PARENT ages out, and a suppressing adversary removes some of those chances. Neither isolated sweep shows it, because sec 6.12's honest arms hold the adversary at zero and its adversarial arms use a slack cap. That is what the capstone is for, and it is the strongest argument for pairing the anchor change with W = 12 rather than adopting it at W = 10. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>