# TSON: JSON with Immutable, Hash-Pinned Schemas

TSON is a new data format that extends JSON with immutable, hash-pinned schemas, providing built-in versioning and integrity verification. This matters for developers who need reliable, self-describing data exchange without breaking changes.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://tson.io/) — Wed, 05 Aug 2026 14:03:40 +0000