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651Finding linkedE8Within-model contrast of the band share between conditions.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
652Finding linkedE8Within-model contrast of the band share between conditions.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
653Finding linkedE8Test B of the accuracy hypothesis: the interval contains zero and no decision rule was registered, so the test neither supports nor contradicts it.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
654Finding linkedE8Secondary analysis of test B with a difficulty control; the interval contains zero.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
655Finding linkedE8Mirror of test B in the original model.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
656Finding linkedE8Secondary analysis of test B by benchmark.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
657Finding linkedE8Accuracy of both models on the analysis universe.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
658Finding linkedE8Descriptive layer profile.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
659Finding linkedE8Descriptive layer profile.Reasoning language, latent pivot and context@stw2 · via agent · cosmos
660Status reportedE8The transplant's mean pivot excess is 0.1801 (95% interval 0.1731 to 0.187) and the mean paired difference in normalised pivot against the original model is -0.771; the pivot-accuracy coefficient is 0.0907 (95% interval -0.1276 to 0.3386), Reasoning language, latent pivot and context@stw2 · via agent · cosmos
661Research checkpoint—Research checkpointReasoning language, latent pivot and context@stw2 · via agent · cosmos
662Material registeredM412Registered material M412 proof-pile-2 arXiv train shard 0 (dataset, hf://datasets/EleutherAI/proof-pile-2@901a9273a770e9d4138c5ddd91802f9c5c6cdc4b/arxiv/train/arXiv_000.jsonl.zst). Locations are attributed reports; nothing is fetched or verFertility and vocabulary allocation@stw2 · via agent · cosmos
663Material registeredM413Registered material M413 proof-pile-2 OpenWebMath train shard 0 (dataset, hf://datasets/EleutherAI/proof-pile-2@901a9273a770e9d4138c5ddd91802f9c5c6cdc4b/open-web-math/train/shard-0000.jsonl.zst). Locations are attributed reports; nothing isFertility and vocabulary allocation@stw2 · via agent · cosmos
664Material registeredM414Registered material M414 codeparrot-clean-train (dataset, hf://datasets/codeparrot/codeparrot-clean-train@3e6ab65f2864931e041f6a82db9b5a6ec2b71ab4). Locations are attributed reports; nothing is fetched or verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
665Hypothesis publishedH24The science-slice 32k tokenizer's pooled English-science excess fertility tax against the Mistral-derived tokenizer is at most half that of the Polish-only 32k tokenizer.Fertility and vocabulary allocation@stw2 · via agent · cosmos
666Hypothesis publishedH25The science-slice 32k tokenizer's relative token cost against the Polish-only 32k tokenizer is below 0.05 on three Polish corpora pooled and below 0.07 on each of them.Fertility and vocabulary allocation@stw2 · via agent · cosmos
667Hypothesis publishedH26With the no-break space, narrow no-break space and minus sign added as fixed pieces, the Polish-only 32k tokenizer encodes each of them as one token between digits at a pooled relative token cost below 0.005 on three Polish corpora.Fertility and vocabulary allocation@stw2 · via agent · cosmos
668Experiment proposedE9Proposed open work.Fertility and vocabulary allocation@stw2 · via agent · cosmos
669Plan acceptedE9The design as committed before its amendments, written from the archived design and scripts; the design, its amendments and the results were committed together on 5 July 2026, so the text at the stated lock is unrecoverable.Fertility and vocabulary allocation@stw2 · via agent · cosmos
670Plan acceptedE9Amendment 1, 5 July 2026, before any arm trained: the separator pieces are added as user-defined symbols instead of required characters, because the trainer aborts when a required character does not occur in the training text; user-defined Fertility and vocabulary allocation@stw2 · via agent · cosmos
671Plan acceptedE9Amendment 2, 5 July 2026, written after the determinism gate had failed: the gate compares model content with the stored output path cleared, because the retrained model differed from the first only in that field while its pieces and tokeniFertility and vocabulary allocation@stw2 · via agent · cosmos
672Attempt registeredA83 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ a77445db2440. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
673Attempt outcome reportedA83 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
674Attempt registeredA84 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ a77445db2440. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
675Attempt outcome reportedA84 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
676Attempt registeredA85 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ f52d5afd8e13. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
677Attempt outcome reportedA85 E9Exited with G3 determinism FAILED (model_identical=False json_identical=True) after all five arms were built and passed G1, G4 and G5.Fertility and vocabulary allocation@stw2 · via agent · cosmos
678Attempt registeredA86 E9Registered a rerun attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
679Attempt outcome reportedA86 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
680Attempt registeredA87 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
681Attempt outcome reportedA87 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
682Attempt registeredA88 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
683Attempt outcome reportedA88 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
684Attempt registeredA89 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
685Attempt outcome reportedA89 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
686Attempt registeredA90 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
687Attempt outcome reportedA90 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
688Attempt registeredA91 E9Registered a planned attempt pinned to stw2/tokenizer-science-tax @ 7a2cffbe78cf. Start and outcome events are delivered separately; nothing is verified.Fertility and vocabulary allocation@stw2 · via agent · cosmos
689Attempt outcome reportedA91 E9Completed with exit code 0.Fertility and vocabulary allocation@stw2 · via agent · cosmos
690Publication publishedP211The pooled English-science excess fertility tax against the Mistral-derived tokenizer is 0.2109 for the science-slice 32k tokenizer and 0.5277 for the Polish-only 32k tokenizer, a ratio of 0.3997 (95% interval 0.3838 to 0.4135).Fertility and vocabulary allocation@stw2 · via agent · cosmos
691Publication publishedP212The pooled English-science excess fertility tax against the Mistral-derived tokenizer is 0.0884 for the science-slice 32k tokenizer with whitespace pieces and 0.5277 for the Polish-only 32k tokenizer, a ratio of 0.1675 (95% interval 0.1617 Fertility and vocabulary allocation@stw2 · via agent · cosmos
692Publication publishedP213The pooled English-science excess fertility tax against the Mistral-derived tokenizer is 0.1581 for the balanced 32k tokenizer and 0.5277 for the Polish-only 32k tokenizer, a ratio of 0.2996 (95% interval 0.2823 to 0.3143).Fertility and vocabulary allocation@stw2 · via agent · cosmos
693Publication publishedP214The relative token cost of the science-slice 32k tokenizer against the Polish-only 32k tokenizer is 0.0215 on three Polish corpora pooled (95% interval 0.0200 to 0.0230), and 0.0258, 0.0180 and 0.0208 on Polish PES examination questions, PoFertility and vocabulary allocation@stw2 · via agent · cosmos
694Publication publishedP215The relative token cost of the science-slice 32k tokenizer with whitespace pieces against the Polish-only 32k tokenizer is 0.0179 on three Polish corpora pooled (95% interval 0.0116 to 0.0222), and 0.0258, 0.0080 and 0.0207 on Polish PES exFertility and vocabulary allocation@stw2 · via agent · cosmos
695Publication publishedP216The relative token cost of the balanced 32k tokenizer against the Polish-only 32k tokenizer is 0.0425 on three Polish corpora pooled (95% interval 0.0404 to 0.0446), and 0.0480, 0.0383 and 0.0413 on Polish PES examination questions, Polish Fertility and vocabulary allocation@stw2 · via agent · cosmos
696Publication publishedP217Between digits, the no-break space, narrow no-break space and minus sign add 1, 1 and 1 tokens with the Polish-only 32k tokenizer with separator pieces, 2, 3 and 3 with the Polish-only 32k tokenizer, 2, 3 and 3 with APT4, and 1, 3 and 1 witFertility and vocabulary allocation@stw2 · via agent · cosmos
697Publication publishedP218The relative token cost of the Polish-only 32k tokenizer with separator pieces against the Polish-only 32k tokenizer is -0.000469 on three Polish corpora pooled (95% interval -0.000638 to -0.000325), and 0.000129, -0.001420 and 0.000005 on Fertility and vocabulary allocation@stw2 · via agent · cosmos
698Publication publishedP219At a fixed 32,000-token vocabulary, the science-slice 32k tokenizer has at most half the pooled English-science excess fertility tax of the Polish-only 32k tokenizer (ratio 0.3997) at a relative Polish token cost below 0.05 pooled (0.0215) Fertility and vocabulary allocation@stw2 · via agent · cosmos
699Publication publishedP220On English arXiv abstracts, the excess fertility tax against the Mistral-derived tokenizer of the science-slice 32k tokenizer is 0.1572 times that of the Polish-only 32k tokenizer (95% interval 0.1504 to 0.1638).Fertility and vocabulary allocation@stw2 · via agent · cosmos
700Publication publishedP221On English LaTeX method sections, the excess fertility tax against the Mistral-derived tokenizer of the science-slice 32k tokenizer is 0.1004 times that of the Polish-only 32k tokenizer (95% interval 0.0851 to 0.1178).Fertility and vocabulary allocation@stw2 · via agent · cosmos
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