Topics · Domain workflow

Off-Earth operations

Operators verify signed command and safety evidence after delayed downlink, checking integrity and profile declarations before updating mission risk posture or public communications.

Concrete scenario

What this looks like in practice

A probe executes an avoidance burn hours before the downlink window opens. Ground teams weeks later must confirm the command bundle, safety envelope, and timing metadata were signed onboard — not reconstructed from incomplete relay logs or reconstructed narratives in shift handoff notes.

Problem

What breaks today

Deep-space and high-latency links delay ground contact. Autonomous maneuvers must carry compact, signed evidence that survives weeks of transit, bit rot in relays, and still verifies when telemetry finally arrives at mission control.

Mechanism

How ZK-SNAP responds

Onboard systems mint receipts over commands, safety context, timestamps, and optional hybrid proof material sized for delayed disclosure and bandwidth-constrained relays. Verifiers replay cryptography when bundles arrive — without assuming continuous cloud connectivity or live vendor dashboards.

Verifiable outcome

What a verifier can check

  • Command receipts verify offline from downlinked bytes alone.
  • Safety profiles and timing fields are part of the signed claim.
  • Hybrid crypto material evaluates only when declared and present.
  • Delayed disclosure does not weaken signature checks at arrival.

Related profiles and labels

Robotics use caseSafety contextHybrid crypto assurance

Scope boundary

What a receipt does not replace

Receipts preserve signed command evidence — not orbital mechanics correctness, hardware redundancy, or mission authorization outside the instrumented control path.

Go deeper

Try the workflow, then read the spec.

Use Cases tells the story with cards. Proof Lab runs create and verify locally. Protocol holds the normative reference.