Cellular automata researchers have found a new digital spaceship moving at nine tenths of the maximum one cell per generation speed in an isotropic non totalistic rule. The September 17 discovery by Jiahao Yu, known in the ConwayLife community as yujh, fills a speed researchers had been actively trying to reach only days earlier. The result is closely related to the larger world explored in BitcoinVersus.tech’s Conway Multiverse report. Sources: community records show and the discovery thread.

A cellular automaton spaceship is a finite pattern that reproduces its shape after a fixed number of generations at a different location on the grid. Conway’s familiar Game of Life contains moving patterns such as gliders, but researchers also explore enormous families of alternative rules. BitcoinVersus.tech has recently followed adjacent work involving programmable computing architectures, AI assisted development and high performance computation. Source: the specialist LifeWiki reference.

The new pattern travels orthogonally at 9c/10, meaning it advances nine grid cells every ten generations when c represents the cellular automaton’s one cell per generation propagation limit. On September 10, a project tracking the smallest spaceships supporting specific speeds still listed 9c/10 among difficult unresolved targets. A sparse 9c/10 puffer appeared on September 13, but a puffer leaves debris behind and therefore was not the clean spaceship researchers wanted. Four days later, Yu posted a 32 by 23 cell pattern that repeats while translating at the target velocity. Source: the project development record.

The discovery became more interesting three days later when Darren Li, posting as very, outlined an LLM assisted proof placing a 10c/11 upper bound on finite orthogonal sublight spaceships in non B0 isotropic non totalistic rules, apart from lightspeed patterns. Li explicitly said large language models heavily facilitated the proof while accepting responsibility for its correctness. The analysis reduces behavior along the leading edge of a moving pattern to one dimensional cellular automata and examines reachable states with a directed graph. BitcoinVersus.tech has covered other examples of AI moving into technical workflows, including continuous AI security testing and physical AI computing. Source: the proof sketch and verification discussion.

The 9c/10 spaceship therefore sits remarkably close to the newly argued sublight ceiling. A velocity of 9c/10 equals 0.9c, while 10c/11 is approximately 0.909c. In cellular automata the symbol c is not the physical speed of light. It is the fastest rate at which local cell information can propagate across the grid under neighborhood rules. The analogy is useful because both systems impose a causal speed limit, but no physical spacecraft claim is involved. Sources: the September research record and the speed limit analysis.

The finding demonstrates how recreational mathematics can become a serious computational search problem. Researchers use custom search programs, distributed catalogues and increasingly AI assisted reasoning to map which structures can exist under particular rules. Similar questions about emergence and computation connect cellular automata to broader work in artificial life, while BitcoinVersus.tech’s coverage of robotics and alternative computing follows a recurring theme: complex behavior can emerge from carefully designed low level rules and hardware. Source: LifeWiki’s ongoing cellular automata record.

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