The Covering Number $C(12,6,4)$
closes a one-block gap in the covering tables; the analogous next case is not reachable by this method
Exact FrontierDelta
Scope and record
Occurred: Jul 26, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-assisted. Imported under CC BY 4.0.
Canonical aliases: The Covering Number $C(12,6,4)$ · Covering number C(12,6,4)
Confidence: Not scored
Registry verification: unreviewed · preprint · resolved
Attribution
VibeMathed
registry · event recorded by
Charlie Krug
human · human collaborator
GPT-5.6 Sol
model · ai model contributor · OpenAI / Anthropic
GPT-5.6 Terra
model · ai model contributor · OpenAI / Anthropic
Claude Fable 5
model · ai model contributor · OpenAI / Anthropic
Lineage and corrections
This event attributed to Charlie Krug
This event attributed to Claude Fable 5
This event attributed to GPT-5.6 Terra
This event attributed to GPT-5.6 Sol