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How the hidden-set evaluation invokes whest run
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3
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68
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October 12, 2026
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Flopscope: fix pull requests, with tests, for the open billing issues
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0
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11
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October 12, 2026
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Eligibility of solutions built on another participant's MIT-licensed forum code (§4 / §6)
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1
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71
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October 5, 2026
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Everything we tried: a factorized K=3 cumulant-propagation estimator at 0.25 x B, where its FLOPs go, and 25 measured dead ends (team 504aldo, rank ~10)
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5
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319
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October 4, 2026
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Phase 1 final evaluation question: Overfitting to public instances
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5
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842
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October 4, 2026
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Leaderboard vs Overview leading scores
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0
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66
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October 3, 2026
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Phase 2 of the ARC White-Box Estimation Challenge is live 🚀
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3
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291
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October 1, 2026
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[Phase 1 write-up] Fixed grid of directions instead of random sampling (submission #320802) and five things that did not work
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1
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357
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September 22, 2026
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[Phase 2] The compute budget is not a lever, and the scoring rule is why: `adjusted = mse x max(0.1, util)`
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0
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109
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September 17, 2026
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Errors are leaking information
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1
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134
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September 9, 2026
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[Phase 2 write-up] Zero fitted constants, measured: what the 64 calibration numbers in a ReLU-MLP mean propagator are actually absorbing (submission #330001)
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0
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112
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September 6, 2026
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Phase 2 write-up: exact bivariate ReLU covariance plus per-layer calibration, 3x over the kit baseline, with negative results (submission 329951)
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0
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95
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September 5, 2026
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Interesting talks by the organizers
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2
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188
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September 4, 2026
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Covariance propagation baseline scores 3.93e-7/3.93e-6
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2
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113
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September 4, 2026
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Request to Claude and GPT
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2
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185
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August 31, 2026
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Shipped covariance_propagation example trips the Phase 2 residual cap locally (0.16.0) but grades fine - what happens when the evaluator upgrades?
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4
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147
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August 29, 2026
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[Phase 1 write-up] Variance reduction beats closure refinement: a moment-matched sampling estimator (submission #324497)
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0
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77
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August 26, 2026
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[Phase 2 write-up] Complementary errors beat either branch: a fixed 0.75/0.25 covariance + whitened antithetic MC blend (submission 328274)
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0
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128
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August 26, 2026
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"Unusually easy leaderboard set" effect is gone
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1
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118
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August 24, 2026
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Phase 2 — Official Start Date and Details?
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2
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110
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August 23, 2026
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Phase 1 SOLUTION, ideas for Phase 2 and the honest public frontier (all methods combined and explained)
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4
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226
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August 23, 2026
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Queries regarding phase 2
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1
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117
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August 20, 2026
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How did you use AI?
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2
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125
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August 20, 2026
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[Phase 1 research atlas] How I reached public #16 — and why the next 56 experiments failed
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3
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228
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August 20, 2026
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Phase 1 Report, Submission 327801
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5
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146
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August 20, 2026
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Notes on the Problem (Phase 1)
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2
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127
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August 19, 2026
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A technique census of Phase 1: what the mathematics is doing, what walls it hit, and what's still open
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13
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485
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August 19, 2026
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Phase 1 Substack Post
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0
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78
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August 18, 2026
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Phase 2 Starting?
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1
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116
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August 18, 2026
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Our current approach: Korobov hybrid trunk (E) + offline ridge residual corrector (G) — ~16% graded gain, what we learned
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0
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63
|
August 18, 2026
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