batpak

Sync-first event sourcing for Rust: append-only segment files, causal metadata, caller-defined gates, durable receipts, evidence reports, and typed projections.

This is the substrate crate in the batpak family.

bp records.

Start with the root repository docs:

• README.md
• FACTORY.md
• MODEL.md
• INVARIANTS.md
• CONFORMANCE.md