immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history

Simplifies comparing photos of tamper-evident seals and patterns using your eyes

Scalable and practical Byzantine fault detection middleware for transactional database systems

The scalable, auditable and high-performance tamper-evident log project

The open protocol for cryptographically sealed audit records of autonomous AI operations. SHA3-256 + Ed25519 + hash chain. Spec, conformance suite, and reference implementations in Python and TypeScript.

https://forgeproof.flyingcloudtech.com

ARI — Artificial Reasoning Intelligence. Personal AI operating system with 7-layer architecture, three-pillar cognition (LOGOS/ETHOS/PATHOS), constitutional governance, and tamper-evident SHA-256 audit trails. Local-first. Multi-agent. TypeScript.

Reference architecture for fail-open, witness-only evidence systems with independent verification and public settlement.

Small playground for ideas and mini-trees for QED

Open protocol for signed, independently verifiable machine decisions. Ed25519 receipts, hash-chained ledger, IETF Internet-Draft. Apache-2.0.

An Identity, Security, and Governance Framework for autonomous agents

Open-source SDK and CLI for tamper-evident audit logging. Standalone verification, no server required.

Flash is a C library and CLI for append-only, verifiable event streams stored in ".flsh" files.

Capsule Protocol integration for LiteLLM. Automatic cryptographic audit trail for every LLM call.

Go verifier for the Capsule Protocol Specification (CPS). Canonical JSON, SHA3-256, Ed25519. Passes all 16 golden vectors.

A consent-first framework for human–ASI collaboration: versioned, cryptographically signed, and written from lived experience of identity continuity.

A tamper-evident audit built in Rust from IoT devices to cloud services

Cryptographically verifiable, tamper-evident audit logging for Java and .NET.

Signed, verifiable action receipts for humans + agents (Ed25519 JWT + tamper-evident chain)