lean artifact · passed
Artifact ↗Erdős Problem #1151
An elementary solution via a primitive-row decomposition of the Chebyshev-node measures; the main theorem is formalized in Lean, but erdosproblems.com still lists the problem open
Exact FrontierDelta
Scope and record
Occurred: Oct 29, 2026
Delta type: REGISTRY REVISION
Assumptions: VibeMathed verification: lean-verified. Publication: announcement. AI contribution: ai-co-developed. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.
Canonical aliases: Erdős Problem #1151 · Erdős #1151 · Problem 1151
Confidence: Not scored
Registry verification: lean verified · announcement · candidate
Attribution
VibeMathed
registry · event recorded by
GPT-5.5 Pro
model · ai model contributor · OpenAI
Codex
model · ai model contributor · OpenAI
Przemysław Chojecki
human · human collaborator
Allen Hart
human · human collaborator
Artifacts and verifiers
Compute record
No linked compute attempts recorded.
Lineage and corrections
Corrects Erdős Problem #1151 →
Supersedes Erdős Problem #1151 →
This event attributed to Przemysław Chojecki
Erdős Problem #1151 evidence for this event
Erdős Problem #1151 parent of this event
Write-up evidence for this event
VibeMathed record: Erdős Problem #1151 evidence for this event
This event attributed to Codex
This event attributed to GPT-5.5 Pro
This event attributed to Allen Hart
An elementary solution via a primitive-row decomposition of the Chebyshev-node measures; the main theorem is formalized in Lean, but erdosproblems.com still lists the problem open parent of this event
Lean formalization of Theorem 1.1(a) evidence for this event
Act on this frontier