Release history

September 29, 2026

Hub 1.0.0 on Arc mainnet

• Public contract requests with configurable fees, callback gas, and pending limits.
• On-chain hash-chain verification, request-bound results, callbacks, and stored-result recovery.
• A 2-of-3 Safe owns the hub; implementation upgrades use a 600-second timelock.
• Verified contract sources and published deployment coordinates.

ruff-hub 0.2.0

• Public npm distribution for the TypeScript SDK and read-only CLI.
• Typed ABIs, fee and state reads, formula computation, and strict historical verification.
• Explicit current-state verification outcomes: match, mismatch, not-checked, and unavailable.
• CLI exit codes distinguish a failed proof, incomplete commitment check, state mismatch, and unavailable state check.

npm package · SDK reference · CLI reference

RUFF Explorer

The mainnet explorer indexes requests and stores verification reports in the background. Its public read-only API serves request history and saved proofs without making the browser run RPC verification.