Release Notes — HEXT Standard 1.0.0
Release Date: July 7, 2026
Tag: v1.0.0
Status: Stable — Initial Public Standard Release
Summary
Today we officially publish HEXT Standard 1.0 — the first public release of the HEXT Semantic Object Graph Standard.
This release transitions the HEXT-AI ecosystem from an RFC-driven design project to a standards-driven implementation target.
What's Included
| Artifact | Location |
|---|---|
| Normative Specification | SPECIFICATION.md |
| Core XSD Schema | schemas/hext-core.xsd |
| Extension Schemas | schemas/hext-rfc.xsd, schemas/hext-experiment.xsd |
| Canonical Examples | examples/*.hext.xml |
| Design History | history/ |
Key Features
- Semantic Object Graph as the canonical knowledge model
- Semantic XML as the canonical serialization
- Four conformance levels: Core, MCP, Registry, Validator
- Cryptographic ledger and provenance architecture
- Evidence and attestation framework
- XSD schema enforcement
- MCP-native interoperability for AI agents
- AI Discovery Manifesto (llms.txt) specification
Governance
- Governing Body: HEXT-AI Organization
- Reference Implementation: Gemmina Intelligence LLC
- Specification License: CC BY 4.0
- Schemas & Examples License: CC0 1.0
Migration from RFC Era
| Before | After |
|---|---|
| RFC-NVS20 as design document | HEXT Standard 1.0 as normative spec |
| v2.2.0 Draft status | 1.0.0 Stable status |
| RFC repository role | Canonical specification repository |
See MIGRATION.md for full migration guidance.
Compatibility
- Legacy v0.1.0
.hxtdocuments: Supported (grandfather rules) - v2.2.0 draft implementations: Review against 1.0.0 conformance levels
- XSD namespace: Unchanged (
urn:gmm:hext:core:1)
Citation
HEXT-AI Organization. HEXT Standard 1.0: The Semantic Object Graph Standard.
Version 1.0.0, July 7, 2026.
https://github.com/HEXT-AI/hxt-spec/blob/main/SPECIFICATION.md
Links
- Website: hextai.com
- Organization: github.com/HEXT-AI
- Full Changelog: CHANGELOG.md
HEXT Standard 1.0 · Initial Public Standard Release