Daniel Bilar

What Would Settle the Leakage Attribution in Magic-State Cultivation on Willow

Google's 2026 magic-state cultivation experiment on Willow grafts a cultivated magic state from a distance-3 color code into a distance-5 code that mixes color-code and surface-code stabilizers. In the supplement's memory experiment on that grafted code, the logical error rate is...

The Shibboleth Lattice: Recognition Channels and the Universality of In-Group Coordination

Coalition behavior in multi-agent systems appears across four substrates: quantum entanglement, evolutionary covert-tag recognition, engineered handshake codes, and emergent relational memory in frontier language models. These are treated as instances of one structure: a joint ac...