State drift after disconnection
Our approachUse compact signed-state continuity to repair safe lag, hold unsafe divergence, and keep the state path inspectable.
View CrystalChainState continuity - receipt-gated admission - governed action
Evidence infrastructure for systems that act.
Arkhē builds public-reviewable product routes around signed state, selective proof, bounded disclosure, and agent guardrails. The center is simple: when a system moves, the source path should remain inspectable.
01Signed state
02Admission gates
03Selective proof
04Agent guardrails
Problems we solve
The work is organized around failure modes, not internal labels.
Each route starts with a concrete breakage: drifted state, unsupported evidence, loose authority, or proof that exposes more than it should.
Evidence without admission
Our approachSeparate artifact possession from admissible acquisition so a reviewer can see why a path was accepted or rejected.
View EU ProvenanceSystems acting past their boundary
Our approachRoute agent and operator actions through reviewable gates before tool calls or workflow actions create consequences.
View Agent GovernorSystems and concepts
The real product arsenal.
The main public lanes share a substrate: preserve state, admit only backed paths, reveal selectively, and govern actions before damage.
CrystalChain
Signed-state continuity for devices, agents, and edge systems that need reconnection without silent merge or blind overwrite.
signed stateconflict hold
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EU Provenance
Receipt-gated AI evidence windows for review, disclosure, and controlled export when source history matters.
receiptsadmission
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CrystalSocial
Social-object and verified-help-path surfaces where attribution is earned by a proof path, not flattened into a badge.
selective revealproof of help
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Agent Governor
Pre-tool guardrails that convert repeated agent failures into approved, receipt-backed gates.
agent gatesreceipts
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Crystal DeFi
Structural verification for transaction trees where hash-root equality is not enough to catch topology fraud.
on-chaintree integrity
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PathCrystal
Path-structured recovery, sparse repair, compact attestation, and witness transfer beneath multiple product routes.
substratewitness transfer
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Review model
The useful claim is the behavior that survives across domains.
The public site does not need to expose internal packets. It should make the repeated pattern clear: signed continuity, gated admission, bounded reveal, and governed action.
Substrate
Crystal and PathCrystal carry state, path, and structural commitments.
Applications
Provenance, continuity, social proof, DeFi verification, and agent governance.
Companions
ReferralTrust, Action Capacity, and Source Ledger extend the same discipline into workflow surfaces.
Review
Demo packets and deeper evidence stay available for the right technical conversation.
Supporting capabilities
Reusable pieces behind the product routes.
ReferralTrust
Verifiable referral and compensation trust objects where contribution, churn, attribution, and reward logic stay tied to evidence paths.
Action Capacity
Turns admitted backing into bounded usable rights, review windows, holds, disputes, and operator-facing lifecycle surfaces.
Source Ledger
Tracks source state for claims, reports, tickets, and decision packets so weak or missing sources change the action.
CrystalEar
Perceptual signal exploration that stays secondary to the main product lanes until the right validation path is ready.
Next step
Bring a state, evidence, attribution, verification, or agent-governance problem.
Arkhē is best discussed through a concrete workflow and the review packet that would make the next technical conversation useful.