Substrates Copyright 2026 Markus J. Buehler This product includes portions of the Jacobian Lens software, Copyright 2026 Anthropic PBC, licensed under the Apache License, Version 2.0. The vendored runtime is derived from: https://github.com/lamm-mit/jacobian-lens The upstream copyright and SPDX notices are retained in the vendored source files under jlens_materials/_vendor_jlens/.