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Any system that transforms state.

Wherever state changes, pruv can prove it. The primitive is universal. The applications are specific.

AI Agents
X: codebase before agent ran
Y: codebase after, every change proven
Infrastructure
X: system state before deploy
Y: deployed, verified, hash-proven
Financial Services
X: account balance before
Y: transaction settled, proof on chain
Compliance
X: audit requirements
Y: controls verified, evidence hashed
Healthcare
X: patient record state
Y: treatment administered, chain of custody
Supply Chain
X: shipment at origin
Y: delivered, provenance proven
Legal
X: document version
Y: signed revision, edit chain intact
Government
X: public record filed
Y: immutable, verifiable by anyone

AI Agents

X (before)
codebase before agent ran
Y (after)
codebase after, every change proven

Wrap any agent with xy_wrap. Every file read, write, API call, and decision becomes a verifiable entry. Ship agents with receipts, not promises.

Infrastructure

X (before)
system state before deploy
Y (after)
deployed, verified, hash-proven

Every deployment is a state transition. pruv captures the config before, the result after, and chains them together. Roll back with proof of what changed.

Financial Services

X (before)
account balance before
Y (after)
transaction settled, proof on chain

Tamper-proof audit trails for every transaction. Meet SOX, PCI-DSS, and regulatory requirements with cryptographic certainty, not trust.

Compliance

X (before)
audit requirements
Y (after)
controls verified, evidence hashed

Generate verifiable evidence for SOC 2, ISO 27001, and HIPAA. Receipts prove controls were executed. Auditors verify independently.

Healthcare

X (before)
patient record state
Y (after)
treatment administered, chain of custody

Verifiable chain of custody for patient records, medication tracking, and clinical data. HIPAA-ready by design. Auto-redaction protects PHI.

Supply Chain

X (before)
shipment at origin
Y (after)
delivered, provenance proven

Track provenance from source to shelf. Every handoff, transformation, and quality check becomes a verifiable record in the chain.

Legal

X (before)
document version
Y (after)
signed revision, edit chain intact

Prove document authenticity and track edit history. Maintain chain of custody for evidence and contracts with cryptographic proof.

Government

X (before)
public record filed
Y (after)
immutable, verifiable by anyone

Transparent, verifiable records for public proceedings, policy changes, and citizen data handling. Anyone can verify. No trust required.