Source authenticated

Fulek's Question on the Extremal Function of $L_3$

the companion pattern Fulek proposed alongside L_3 is not covered by this method

Exact FrontierDelta

Prior state unknown→proved

Scope and record

Occurred: Jul 17, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-assisted. Imported under CC BY 4.0.

Canonical aliases: Fulek's Question on the Extremal Function of $L_3$ · Forbidden 0-1 matrices

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

Attribution

VibeMathed
registry · event recorded by

Jesse Geneson
human · human collaborator

Codex (GPT-5.6)
model · ai model contributor · OpenAI / Anthropic

Claude Code (Fable 5)
model · ai model contributor · OpenAI / Anthropic

Lineage and corrections

This event attributed to Jesse Geneson

This event attributed to Claude Code (Fable 5)

This event attributed to Codex (GPT-5.6)

Act on this frontier