OXYGENHUB

Changes up to # 642fa213de80 touching crates/oxy-core/src/receipt.rs · 3

See as swimlanes (independent work side by side)

Grants let certified keys act for an author (keyless step 5a)
Andy McCall ·
✔ a2387d547373
Receipts signed by a certified short-lived key carry the certificate
Andy McCall via Claude Code agent ·
✔ c63fed2e0465
Execution receipts: the receipt object and attestation
Andy McCall ·
✔ fc1a466a1e66