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Phase 2 — Official Start Date and Details?
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2
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44
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August 23, 2026
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Phase 2 of the ARC White-Box Estimation Challenge is live 🚀
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1
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25
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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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98
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August 23, 2026
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Queries regarding phase 2
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1
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83
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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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68
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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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189
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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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94
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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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74
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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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391
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August 19, 2026
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Phase 1 Substack Post
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0
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50
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August 18, 2026
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Phase 2 Starting?
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1
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82
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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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34
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August 18, 2026
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Measured: the metered-FLOP vs residual-wall-time trade-off, and what it implies for a Phase 2 cap
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0
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33
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August 18, 2026
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Bitter-lesson-pilled sampling-free propagator yielding 1.5e-5 raw MSE
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3
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119
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August 17, 2026
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[Write-up, submission 326725] Measuring the ceiling of a method class: how we closed 54 families of estimators without building them
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0
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77
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August 17, 2026
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Phase 1 Algorithmic Contribution Write-up — Submission #327792
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0
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56
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August 17, 2026
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Phase 1 Write-Ups, Team Puffi
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3
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116
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August 17, 2026
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Phase 1 Write-Up: Useful tools, rejected ideas, a warning, and more
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0
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72
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August 17, 2026
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[Phase 1 write-up] A calibrated account of the sampling plateau, plus two negative results (submission #326954)
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0
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74
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August 17, 2026
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Phase 1 write-up: The missing basis was not the mechanism - submission #327749
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0
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81
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August 17, 2026
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Phase I Submission: Structure-Aware Estimation for Random ReLU MLPs
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0
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977
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July 27, 2026
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[Phase 1 Write-Up] My Write-Up for Submission 326960
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0
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70
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August 16, 2026
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[Phase 1 Write-Up] My Approach Write-Up for the submission 327651
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0
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101
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August 16, 2026
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[Phase 1 writeup] Fixed positive sampling is nearly saturated (submission 327786)
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0
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110
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August 16, 2026
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Phase 1 Write Up - Bias–Variance Tradeoff Across Control Layers (submission #327723)
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0
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112
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August 15, 2026
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Phase 1 skibidi toilet solution writeup
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2
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187
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August 15, 2026
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Phase 1 Ride and Personal Insights on my trials
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0
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95
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August 15, 2026
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Current top 9: Notes on Phase 1 board-score variance, the truth-energy ladder, and four corrections to published figures
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0
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235
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August 15, 2026
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[Visual notebook] How 203 experiments reached public #16: the complete idea map
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0
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115
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August 14, 2026
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[Phase 1 write-up] Public #16 → #40 despite a better score: 203 investigations, one lawful survivor (#326680)
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0
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395
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August 11, 2026
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