COOLJAPAN

COOLJAPAN Blog

The inside story of building the largest pure-Rust sovereignty stack

234 posts

release 233 pure-rust 185 scirs2 74 rust 63 machine-learning 29 scientific-computing 24 wasm 22 simd 22 oxiarc 21 numpy 21 cuda 21 llm 16 gpu 16 compression 16 noffi 15 formal-verification 15
Feb 7, 2026 · 7 min

SciRS2 0.1.4 Released — SIMD Phase 60-69, Pure Rust OxiFFT by Default, and Autograd Optimizers That Actually Update

Pure-Rust SciPy/NumPy replacement. This release: SIMD phase 60-69 (8 new AVX2/NEON modules), modular Bowyer-Watson Delaunay (2D/3D/ND + constrained), OxiFFT now the 100% Pure Rust FFT default, and autograd optimizer fixes. 11,400+ tests, 27 crates. No C, no Fortran.

releasescirs2scientific-computing
Feb 6, 2026 · 5 min

OxiArc 0.2.0 Released — LZW Lands for TIFF and GIF, Now 10 Crates on crates.io

OxiArc 0.2.0 adds full LZW compression for TIFF and GIF — MSB/LSB bitstreams, variable bit widths — bringing the workspace to 10 pure-Rust crates. Now on crates.io, with a default test suite cut 76% faster (137s → 32s) and 427 passing tests. Pure Rust archive and compression with no C, no zlib, no libarchive.

releaseoxiarccompression
Feb 6, 2026 · 3 min

OxiZ 0.1.3 Released — Pure Rust SMT Solver Aiming to Replace Z3

A complete, high-performance Satisfiability Modulo Theories solver written entirely in Rust. Full CDCL(T) architecture, comprehensive theory support, proof generation, and Z3-level performance — with zero C/C++ dependencies and full memory safety.

releaseoxizsmt-solver
Jan 29, 2026 · 9 min

Legalis-RS 0.1.4 Released — One Engine, 23 Jurisdictions: Proof That Law Is Universal Computation

Pure-Rust legal statute engine. 0.1.4 adds 5 new jurisdictions (Korea, Mexico, Malaysia, Russia, Saudi Arabia) for 23 total, 6 production examples proving one generic engine handles Civil/Common/Supranational law, real-time self-healing verification on the OxiZ SMT solver, and auto-generated TypeScript/Python SDKs. 14,705 tests passing.

releaselegalislegal-tech
Jan 26, 2026 · 3 min

OxiFFT 0.1.2 Released — Windows Packaging Fix Unblocks Cross-Platform Publishing

OxiFFT 0.1.2 is a packaging patch for the Pure Rust FFTW replacement: it removes a stray examples/**/CLAUDE.md path that broke crate unpacking on Windows, restoring clean cross-platform installs and unblocking PyPI publishing for dependent crates like scirs2-python.

releaseoxifftfft
Jan 26, 2026 · 6 min

SciRS2 0.1.3 Released — Python Bindings Across the Stack, Plus PCHIP Extrapolation

SciRS2 0.1.3 expands Python (PyO3) bindings across autograd, datasets, graph, io, metrics, ndimage, neural, sparse, text, transform and vision; adds PCHIP linear extrapolation; better manylinux wheels and an Adam scalar fix. 100% Pure Rust on OxiBLAS + OxiFFT.

releasescirs2scientific-computing
Jan 24, 2026 · 7 min

OxiRAG 0.1.0 Released — A Four-Layer Pure Rust RAG Engine with SMT Verification

OxiRAG 0.1.0 is the first release of a Pure Rust Retrieval-Augmented Generation engine: a four-layer pipeline (semantic search, draft verification, SMT logic checking, and knowledge-graph retrieval) that compiles to a single static binary or WASM.

releaseoxiragrag
Jan 23, 2026 · 4 min

QuantRS2 0.1.2 Released — Python Bindings Polished, Symbolic Math Goes Fully Pure Rust

A polish patch for QuantRS2, the pure-Rust quantum computing framework — Python-binding bugfixes, refreshed docs, dependency-compatibility bumps, and the removal of legacy C++ SymEngine tooling now that symbolic math is 100% Rust.

releasequantrs2quantum-computing
Jan 21, 2026 · 7 min

Legalis-RS 0.1.3 Released — 18 Jurisdictions, One Pure Rust Engine

Legalis-RS 0.1.3 doubles jurisdiction coverage from 8 to 18 — adding the UAE, Australia, Brazil, Canada, China, India, Indonesia, Laos, Thailand, Vietnam and South Africa — across 41 crates, 863,282 lines and 13,083 passing tests.

releaselegalislegal-tech
Jan 21, 2026 · 7 min

OxiRS 0.1.0 Released — A Rust-Native Apache Jena, First Stable Cut

OxiRS 0.1.0 is the first stable release of a Rust-native Semantic Web platform: complete SPARQL 1.1/1.2, a Fuseki-compatible HTTP server, GraphQL over RDF, SHACL validation, and industrial IoT bridges — a JVM-free alternative to Apache Jena + Fuseki.

releaseoxirsrust
Jan 21, 2026 · 7 min

OxiZ 0.1.2 Released — Python Bindings, a Native Math Stack, and SMT-COMP Tooling for the Pure Rust SMT Solver

OxiZ 0.1.2 adds PyO3 Python bindings (oxiz-py), a Pure-Rust BLAS + multi-precision (MPFR-style) math layer, an SMT-COMP benchmark suite, and a vastly expanded CLI (dashboard/server/distributed/TPTP/interpolation). A Pure Rust Z3 replacement with zero C/C++.

releaseoxizsmt-solver
Jan 21, 2026 · 7 min

QuantRS2 0.1.0 Released — Pure Rust Quantum Computing, From State Vectors to Real Hardware

QuantRS2 is a pure-Rust quantum computing framework — type-safe circuits, state-vector/stabilizer/tensor-network simulators, Grover/QFT/VQE/QAOA, and IBM/Azure/AWS/D-Wave hardware integration. This is the first stable release.

releasequantrs2quantum-computing
Jan 21, 2026 · 4 min

QuantRS2 0.1.1 Released — Clean Builds Across Every Feature Flag

The first patch for QuantRS2, the pure-Rust quantum computing framework. Fixes conditional compilation and feature gating for cloud backends (IBM, Azure, AWS) and photonic modules so the modular workspace builds cleanly with any feature set.

releasequantrs2quantum-computing
Jan 19, 2026 · 8 min

AmateRS 0.1.0 Released — Compute on Encrypted Data, Never Reveal the Plaintext

AmateRS is a distributed database with Fully Homomorphic Encryption — run queries and computation directly on encrypted data without ever exposing plaintext to the server. Built in Pure Rust with LSM-tree storage, an FHE compute engine, Raft consensus, and gRPC.

releaseamatersfhe
Jan 19, 2026 · 6 min

IPFRS 0.1.0 Released — A Pure Rust InterPlanetary File System That Understands Your Data

IPFRS — Inter-Planet File RUST System — debuts at 0.1.0: a Pure Rust, content-addressed distributed file system with Sled-backed block storage, DAG-CBOR/IPLD, an HNSW semantic search index, and TensorLogic logic programming. Local-first, ~4,417 lines, 8 crates.

releaseipfrsipfs
Jan 19, 2026 · 7 min

Kaccy 0.1.0 Released — Tokenize Your Expertise on Bitcoin, Where Reputation Equals Currency

Kaccy 0.1.0 is here — a Bitcoin-native Personal Token Platform for professionals. ~206k lines of safe Rust, 3,296 tests, 7 bonding curves, a 0-1000 reputation system, Lightning, PSBT, and threshold crypto. Proof of Output, not speculation.

releasekaccybitcoin
Jan 19, 2026 · 6 min

Kizzasi 0.1.0 Released — A Rust-Native Signal Predictor for the Continuous World

Kizzasi 0.1.0 is the first release of an Autoregressive General-Purpose Signal Predictor (AGSP) in Pure Rust — neuro-symbolic prediction for audio, sensors, robotics, and video that fuses State Space Models (Mamba/RWKV/S4) with TensorLogic constraints.

releasekizzasisignal-prediction
Jan 19, 2026 · 8 min

OxiFY 0.1.0 Released — Type-Safe LLM Workflow Orchestration as Pure Rust DAGs

OxiFY 0.1.0 is a Pure Rust, Dify-class LLM workflow orchestration platform: compose AI applications as type-safe directed acyclic graphs. 13 specialized crates, 15+ node types, in-process vector search, CeleRS-backed distribution, 2520+ tests. No Python, no Node.

releaseoxifyllm
Jan 18, 2026 · 8 min

MielinOS 0.1.0-rc.1 — A Preview of a Microkernel OS for Distributed AI Agents

MielinOS 0.1.0-rc.1 Oligodendrocyte is the first release candidate of a pure-Rust microkernel operating system for distributed AI agents: a Kademlia DHT mesh over QUIC, SWIM-style gossip, live agent migration, WebAssembly sandboxing, and SIMD tensor ops. 155,178 lines of Rust, 3,255 passing tests, zero clippy warnings.

release-candidatemielinrust
Jan 17, 2026 · 6 min

Legalis-RS 0.1.2 Released — SMT Verification Goes Pure Rust with OxiZ

Legalis-RS 0.1.2 replaces the C++ Z3 backend in its legal verifier with OxiZ, the Pure-Rust SMT solver — rigorous proofs with no native toolchain. Plus a zero-warning build across 25 crates and 11,365 passing tests.

releaselegalislegal-tech
Jan 16, 2026 · 6 min

SciRS2 0.1.2 Released — The Last C Dependency Is Gone: Pure Rust FFT via OxiFFT

SciRS2 0.1.2 completes the Pure Rust journey — FFT migrates from FFTW to Pure Rust OxiFFT, plus zero-allocation SIMD ops and functional optimizers (SGD/Adam/RMSprop). 100% Pure Rust by default on OxiBLAS + OxiFFT. No C, no Fortran.

releasescirs2scientific-computing
Jan 15, 2026 · 3 min

OxiFFT 0.1.1 Released — Dependency Refresh and a Spotless Clippy Run

OxiFFT 0.1.1 is a maintenance patch for the Pure Rust FFTW replacement: hashbrown and spin bumped to their latest, the MSRV pin dropped to track current Rust, and 48 clippy warnings eliminated for a zero-warning build at 652 passing tests.

releaseoxifftfft
Jan 12, 2026 · 5 min

OxiArc 0.1.0 Released — Pure Rust Archive and Compression, Built from Scratch

The first real release of OxiArc: pure Rust archive and compression with 9 crates, 8 compression algorithms, and 10 container formats — ZIP, TAR, GZIP, LZH, XZ, 7z, CAB, LZ4, Zstd, Bzip2 — all reimplemented from scratch. No C, no zlib, no libarchive. ~19,600 lines, 371 tests, Rust 1.85+ / Edition 2024.

releaseoxiarcarchive
Jan 12, 2026 · 6 min

OxiFFT 0.1.0 Released — The Pure Rust FFT That Replaces FFTW and RustFFT

OxiFFT 0.1.0 debuts — a 99% Rust port of FFTW3. Complex/real transforms, DCT/DST, multi-dimensional and batch FFTs, runtime-dispatched SIMD, and 20+ features beyond RustFFT (Sparse FFT, STFT, NUFFT, autodiff, GPU, MPI, WASM). The spectral backbone for the SciRS2 numerical stack.

releaseoxifftfft