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The ten subsystems.

Calyx is built from ten engine subsystems, each a single instrument with one job. The same brand language runs through every mark: a dark observatory canvas, a cyan grounded subject, indigo association and field lines, and a single brass accent. Each illustration ties the subsystem's metaphor to what it actually does.

Measure → Count → Differentiate → Compose

One instrument per move.

A cyan graduated sextant arc with an index arm pivoting from a brass point up a sightline to a bright star.
Sextant — taking a bearing The instrument that fixes true position from a sighted light: Calyx takes its bearing across distinct lenses.
A single bright cyan pole star with thin indigo sightlines from dim field-points converging onto it.
Lodestar — the grounding kernel The fixed light every bearing is taken from: scattered field-points orient to one bright grounded kernel.
A cyan shield with a closed crossbar; an indigo query arrives at the bar and is deflected away.
Ward — the fail-closed guard The gate held closed: when evidence does not support an answer the query is turned away, not bluffed.
Indigo threads crossing over and under, binding at one bright cyan central node.
Loom — woven associations Relationships woven into structure: the bearing-lines between concepts bound together at a single node.
A radial whorl of slender cyan sepal-petals unfurling around one bright center.
Aster — the kernel unfurled Bud to bloom: the calyx the grounded kernel becomes when the kept lenses agree.
A cyan balance beam weighing a bright cyan sample against indigo counterweights, brass pivot.
Assay — quantify what is grasped The instrument that weighs evidence: measuring what the learner actually holds, not what they recite.
A diagonal chain of cyan blocks bound by bright links over a faint compass field.
Ledger — tamper-evident provenance Every answer→guard→mastery step appended to a chain: each entry seals the last, so nothing rewrites silently.
A cyan curve spiking up then relaxing to a flat settled baseline with indigo field-curves converging.
Anneal — settle toward stability Adaptive tuning that relieves stress: it heats, then settles to a relaxed, stable baseline.
A cyan aperture iris focused on one central bright fix, reporting a single grounded point.
Oracle — grounded, or it abstains It sees and reports only what it can ground: a single fix, or it holds back.
A cyan anvil with one bright cyan kernel-spark struck on its face over an indigo orbital field.
Forge — compose into shape Meaning struck into shape from measured parts: the grounded answer composed, not invented.