Title: SovereignStack v0.4.0: The Operating System for Governable Autonomous Intelligence Format: Social media post / mailing list announcement / conference booth handout

SovereignStack v0.4.0 Is Here — And It Answers the Hardest Question in AI

What happens when an autonomous agent managing millions of euros decides to do something unexpected?

What happens when an AGI modifies its own code — and no human notices?

What happens when you need to stop a superintelligent system, right now, with absolute certainty?

SovereignStack v0.4.0 — "The Governance Release" — provides the answers.

While the world debates AI safety in white papers, SovereignStack has codified it into verifiable, enforceable protocols:

Human Override That Cannot Be Ignored The human:// and override:// protocols bind human authority to biometric identity. An air‑gapped, hardware‑enforced kill‑switch cuts power to AI accelerators in under 100 milliseconds. No software can block it. No agent can negotiate with it. It is the final safeguard — and it is now a certified, testable standard.

Agents That Explain Their Own Thinking — While They Think RFC‑0056 turns inference‑time search (MCTS, beam search, agentic retrieval) into auditable search:// objects. Every step, every evidence source, every decision path is cryptographically signed and replayable. Black‑box reasoning becomes transparent governance.

Self‑Modifying AI Under Continuous Oversight RFC‑0057 introduces meta:// — a standard for agents to publish their own self‑model, log every self‑improvement, report alignment drift in real time, and prove they haven't crossed the line. If an AGI rewrites its own code, you'll know what changed, why, and whether it's still safe.

Zero‑Knowledge Proofs in Hardware Enclaves SovereignStack now runs alignment verification inside AWS Nitro Enclaves, Intel SGX, and AMD SEV‑SNP. The host OS can't see it. The cloud provider can't touch it. Even if the entire software stack is compromised, the ZK‑proof verifier remains trustworthy — and it can trigger the kill‑switch on its own authority.

SovereignStack v0.4.0 introduces the world's first Advanced Autonomous Systems infrastructure certification. Ten control categories. Thirty‑plus verification items. A platinum diamond badge that says: this node is ready for advanced, high-assurance autonomous systems.

Any organisation deploying autonomous AI — banks, hospitals, defense contractors, government agencies — can now certify their infrastructure against a public, auditable standard.

At Open Source Summit Europe 2026, we're presenting:

· Live demo: Multi‑node agent migration on alignment breach, with full audit replay · CFP talk: "Building Open Standards for Sovereign AI Systems: Provenance, Governance, and Interoperability" · Workshop: Deploying SovereignStack with Nitro Enclaves for ZK‑proof verification · Certification lab pilot: Bring your node configuration — we'll run the Level 4 test suite

SovereignStack is Apache‑2.0 / MIT dual‑licensed. It is a community project — not a corporate product. The protocols are open. The standards are public. The certification is transparent.

If you care about building AI infrastructure that humanity can trust, you belong here.

· GitHub: https://github.com/Kubenew/SovereignStack · Website: https://sovereignstack.org · CFP Talk: Open Source Summit Europe 2026 — Building Open Standards for Sovereign AI Systems · Mailing list: sovereignstack-community@lists.sovereignstack.org

"SovereignStack is to autonomous intelligence what TCP/IP is to data networking — a universal substrate for sovereign agents, digital twins, and programmable finance."

"The addressable cognition model — mind://, reason://, goal://, memory://, belief:// — treats cognitive state as first‑class infrastructure. That's a genuinely distinctive idea."

"If the team successfully converts its specifications into interoperable implementations, SovereignStack could become the governance and interoperability layer for enterprise AI systems worldwide."

SovereignStack v0.4.0 — Because the most important capability an autonomous system can have is the ability to be stopped.

Come see us at Open Source Summit Europe 2026. Let's build the future of governable intelligence — together.