Bristlemouth: An Open Protocol for Marine Hardware

Bristlemouth is an open-source underwater connector standard featuring waterproof, wet-mateable contacts sealed to 300 meters depth, enabling modular plug-and-play hardware interfaces for marine robotics applications. The protocol allows autonomous underwater vehicles and other marine instruments to be rapidly reconfigured by swapping standardized hardware modules based on mission requirements.

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Paper

Protocol Foundations 001: Cryptography

This foundational paper traces the historical development of cryptography from Caesar ciphers to modern encryption techniques, establishing symmetric-key encryption as a core design principle where a shared key enables both encryption and decryption of messages. The authors situate cryptographic methods as essential infrastructure for secure communication protocols, with examples ranging from wartime military applications to contemporary computational systems.

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Paper

Protocol Foundations 003: Hashing

This paper explains cryptographic hashing as a fundamental building block of digital infrastructure, defining hash functions as one-way operations that deterministically map arbitrary-sized inputs to fixed-sized outputs while revealing no information about the input. The authors emphasize key properties including collision resistance and the practical irreversibility of hashing, distinguishing it from encryption.

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A Primordial Computing Soup

Venkatesh Rao expands on his vision of AI and protocols working together to create stable ecologies of distributed, diverse AI systems, where protocols act as the fabric weaving individual AIs into coherent planetary infrastructure. He illustrates this framework with concrete examples including TITLES, a generative art platform that creates fine-tuned models from individual artist collections, demonstrating how personality emerges from the combination of AI capabilities and protocol-based coordination.

AI infrastructure obliquities

Apr 2026

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