2026
CLM-MATH-003116-1= 240EXACT VALUEMatching construction and upper-bound proof establish k(8) = 240.Source: Kissing Numbers, Sphere Packings, and Some Unexpected Proofs — Kissing number in 8 dimensions = 240 ↗
PROVENThe exact Euclidean kissing number in dimension 8 is 240.
The question, scope, and sources behind this Registry record.
Determine the maximum number of nonoverlapping unit spheres in R^8 that can simultaneously touch a central unit sphere.
Current frontiers derived from accepted Claims.
The accepted equality closes this optimization result.
Assertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.