The substrate and its ecosystem

The current public repository retains 16 primitive distributions. They provide derivative coefficients, backend operators, field state, trainable decisions, optimization primitives, and scoped verification machinery.

In this repository

Use the package explorer for the current package list, versions, licenses, and module contracts. Install only the packages your application needs.

External consumer applications

PINN solver frontends, FermiNet integration, geometry, symbolic discovery, tabular models, and other extracted applications are maintained separately. Their historical APIs are not current substrate APIs. Verify each consumer's repository, package version, license, and dependency constraints before upgrading.

Existing published consumer users should retain the historical constraints until compatible successors are available. Old Apache-licensed artifacts retain their grants; later versions can have different licenses.

Migrating an old link

Legacy API routes remain available as migration notices. The new reference links each retained symbol to its public import path and pinned implementation. Do not change an import to a similarly named function without comparing signatures and numerical contracts.