*Technical Disclosure and Invention Specification: HYDRA-1000 Modular Photocatalytic Reactor with Radial-V Architecture and Octagonal Photon Distribution

This document provides a comprehensive technical disclosure and mechanical specification for the HYDRA-1000, a modular 1000-liter scale photocatalytic reactor. The invention introduces a proprietary "Radial-V Architecture" integrated with an Octagonal Photon Distribution (OPD) core.The document (Version 2) is an update of the original technical disclosure first published on May 16, 2026 as Version 1."This document (v3) is the definitive and comprehensive update of the technical disclosure sequence first established on May 16, 2026 (v1, DOI: 10.5281/zenodo.20229425) and subsequently expanded in v2 (DOI: 10.5281/zenodo.20529458) on June 3, 2026 .All core mechanical, optical, and chemical innovations maintain their original priority date of May 16, 2026. Version 3 serves as the final consolidated record ."The original v1 remains the primary record for establishing priority of the core invention. "