Astrolabe.
Prepare evidence for Astrolabe reviewBuyer translation: this reference page maps the mark to a tool, system, control, deployment, or evidence question. capability · instrument · Astrolabe is the audit measurement-engine kernel — it produces the sha-pinned, Merkle-rooted evidence record from a fielded AI tool deployment.
What this is.
Use. capability · instrument.
Source. 3 concentric rings + alidade + cardinal ticks.
Register. 00 · Icon set — one of the ten registers of the PLANiSPHERE corpus library.
See it work.
Planisphere measures your tool deployment against Astrolabe and seals the result into a signed, Merkle-rooted evidence record. The grade recomputes on your own hardware; the model state never crosses the boundary.
Promise. measurement
Astrolabe is the audit measurement-engine kernel — it produces the sha-pinned, Merkle-rooted evidence record from a fielded AI tool deployment.
Answers: What does Astrolabe measure, and how is the measurement reproducible?
Adjacent marks, same instrument.
Astrolabe is measured into the same evidence record as every other mark in the Icon set register. That measurement becomes compliance-ready buyer evidence at /trust-packet.
AI-craft Carrier reg 00 · fleet platform · the deck the fleet sits on Backstaff reg 00 · reserve · ops hub Coherence reg 00 · coherence · phase-aligned signature Drafting Compass reg 00 · Methodology · preprint Drift reg 00 · drift · signature displacementSibling marks. Icon set
Prepare evidence for Astrolabe review.
First evidence record within 21 days of access · re-runs in a single business day.