Source authenticated
Erdős Problem #176
a polynomial bound for N(k,2), stronger than the exponential bound asked for; the two-parameter problem remains open
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jun 21, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #176 · Erdős #176 · Problem 176
Confidence: Not scored
Registry verification: lean verified · announcement · partial
Attribution
VibeMathed
registry · event recorded by
Codex 5.5
model · ai model contributor · OpenAI
ChatGPT-5.5 Pro
model · ai model contributor · OpenAI
Lineage and corrections
This event attributed to ChatGPT-5.5 Pro
This event attributed to Codex 5.5