Source authenticated
Erdős Problem #1186
exact k = 3 constant established, settling the Parrilo-Robertson-Saracino conjecture for 3-APs; general k remains open
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jul 13, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: announcement. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #1186 · Erdős #1186 · Problem 1186
Confidence: Not scored
Registry verification: unreviewed · announcement · partial
Attribution
VibeMathed
registry · event recorded by
GPT-5.6 Star Fleet (Claude Fable 5 referee)
model · ai model contributor · OpenAI / Anthropic
Lineage and corrections
This event attributed to GPT-5.6 Star Fleet (Claude Fable 5 referee)