HASH Developer Blog
Stories and guides from developers in the community
How not to build a Process Foundation Model
Why classic AI model architectures fail to handle the unique properties of process graphs
Deriving slugs from embeddings: vec2slug
Building a tiny transformer decoder to extract URL slugs from vector embeddings
HashQL: Research Preview
A hypergraph query language that supports multiple, independent time dimensions — enabling reasoning over how data evolves and when it was known
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Get notified when new long-reads and articles go live. Follow along as we dive deep into new tech, and share our experiences. No sales stuff.
Announcing hgres
The graph data engine powering HASH is now available as a standalone layer
Announcing SemType
Describe things that matter in a form people, AI agents, and software can all understand
Embeddings as Encodings
Correctly conceptualizing and handling vectorization in knowledge graphs
AI PR Reviewer
Improving code quality and accelerating feature delivery with a homegrown AI-powered code reviewer
Design-Led AI
UX rules for building AI-powered professional tools
Collaborative data modeling
Allowing users to build a shared, structured understanding of the world
Multi-temporal versioning in Postgres
Implementing an n-temporal datastore from scratch atop PostgreSQL
File structuring using fractal trees
Scalable code organizing for large projects and monorepos
The long-term value of structured data
Structured data's evolving, persistent value in a world with large machine learning models
A real-life tech tree
Laying out our open-source development roadmap for HASH, in public
WebAssembly’s second-order impact on AI
What's new in Wasm and what it means for running large models client-side, in-browser
Block Protocol 0.3 and WordPress support
A new type system, link metadata, updated Core and Graph modules, and an ability to use Þ blocks in WordPress
Introducing Block Protocol hooks
Enabling applications to inject consistent, rich experiences inside blocks
Announcing error-stack v0.2
Introducing customizable outputs, related errors, multiple sources, and much more to error handling in Rust
Build a block at Strange Loop
Learn how to develop your own block at our live Strange Loop workshop
Sensitivity analysis within HASH simulations
Identify conditions and variables that drive simulations towards unexpected outcomes
De-commodifying the internet, block by block
Announcing Block Protocol version 0.2
Build blocks using any language
Ship a spreadsheet block by transpiling from F# to JavaScript
Announcing error-stack
A context-aware error library for Rust that supports arbitrary attached user data
The non-negotiable principle
The utility of hard constraints in product design
Open source at HASH
How our approach to open source informs what we do
Design guidelines for building blocks
How to make your blocks feel intuitive, easy to use, and beautiful across every application
