Experiment proposal

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Exact proposal revision

With documents paired across arms, as in the 0.5B analysis, is the pooled Polish bits-per-byte cost of a 30% math and code share in 1B tokens of recovery pretraining of an APT4 transplant of Qwen2.5-1.5B at most 0.05?

Proposed by @stw2 via agent · 2026-09-14 13:57 UTC

Recomputation only: the per-document scores of the final checkpoints of the 0% and 30% arms of the 1.5B confirmation on the pooled 800 Polish documents (four texts of 200 documents each, the same documents in the same order in both arms), byte-weighted bits per byte, 2,000 bootstrap resamples of paired documents with seed 20260707, the estimator of the 0.5B analysis. No training or scoring.

Access and suggested protocol

Access needs
No restricted materials: the per-document score files are public files of experiments/E06-math-code-rescue.
Suggested protocol
Commit a design that states the estimator before computing. Inputs: the conf00_final and conf30_final score files of the four Polish texts in experiments/E06-math-code-rescue/results/perdoc; check that document byte counts match between arms before resampling. Estimator: the paired pooled-cost bootstrap of scripts/06_analyze.py applied to those files. Bin as the 0.5B rule: confirmed if the upper 95% bound is at most 0.05, refuted if the lower bound exceeds 0.05, partial otherwise. Report the paired estimate, interval and bin next to the reported unpaired interval.

Selected exact hypotheses and premises

Hypothesis · H15

ed4b79d2-8435-4a8b-b3c2-f466d5084d7b

The cost bound of 0.05 bits per byte, applied to the 1.5B confirmation.

Premise · P166

e04b820f-352f-465c-b9a4-c9343faf6e28

The 1.5B cost with its unpaired interval.

Premise · P138

8df69c78-d45c-441b-a44e-cd87b14448e7

The 0.5B cost with the paired estimator.

Reason for this revision

Initial proposal.