NexArt today announced the release of its complete verifiable execution stack, bringing together its SDKs, CLI, and attestation infrastructure into a single platform for producing cryptographically provable records of AI execution. As AI systems move into production-critical decisions, most organisations still rely on logs to explain what happened. Logs are not proof. They can be modified, incomplete, or impossible to verify outside the system that produced them.
NexArt launches verifiable execution stack with Certified Execution Records (CERs) for cryptographically provable AI execution.
CERs bind inputs, parameters, execution context, model information, and outputs into single independently verifiable unit.
Three-step model: Seal (local tamper-evident CERs), Verify (independent validation), Certify (optional attestation from NexArt node).
Deterministic SHA-256 certificate hashing for reproducible execution identity.
Public verification at https://verify.nexart.io with no login required.
Aligns with EU AI Act, ISO 42001, and SOC 2 requirements for traceability and accountability.
NexArt introduces Certified Execution Records (CERs), portable, cryptographically sealed artifacts that bind inputs, parameters, execution context, model information, and outputs into a single independently verifiable unit. In high-stakes environments such as financial services, insurance, and regulated operations, the key question is changing. It is no longer just "Did the system work?" It is "Can you prove exactly what happened?"
NexArt enables organisations to move from observability to evidence. Each execution becomes tamper-evident, independently verifiable, and audit-ready. The platform aligns with emerging requirements around traceability and accountability, including frameworks such as the EU AI Act, ISO 42001, and SOC 2.
NexArt now delivers a unified three-step model:
Seal: Generate tamper-evident CERs locally. No API key, no network dependency, and no external service required.
Verify: Independently validate records using the SDK, CLI, or the public verifier, with identical results across all environments.
Certify (optional): Attach a signed attestation from an independent NexArt node when third-party trust is required for audits, compliance, or external validation.
Deterministic SHA-256 certificate hashing for reproducible execution identity
Support for both single executions and multi-step agent workflows through Project Bundles
Public verification at https://verify.nexart.io with no login required
Privacy-preserving redaction while maintaining cryptographic integrity
Consistent execution and verification across SDK, CLI, and node
The updated stack includes:
AI Execution SDK (@nexart/ai-execution), the core library for sealing and verifying executions
CLI (@nexart/cli), command-line tooling for local workflows and automation
Signals, Agent Kit, and Code Mode SDK, enabling context capture, agent workflows, and deterministic execution environments
NexArt is a verifiable execution infrastructure platform that enables organisations to produce independent proof of what their AI systems actually ran. By separating execution capture from attestation and verification, NexArt replaces traditional logs with cryptographic evidence that anyone can validate.
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