This document is a defensive technical disclosure (prior art publication) released under CC0 1.0 Universal Public Domain Dedication. Its sole purpose is to place the described combinatorial architecture into the public domain, preventing subsequent patent enclosure by third parties. ARCHITECTURE DISCLOSED This disclosure describes a consumer-grade storage device architecture comprising three functional layers: (1) Cold Layer — a rewritable optical storage medium employing multi-channel single-pit encoding: spectral/chromatic response, surface relief depth, and polarization state as independent encoding channels at each physical pixel, targeting state-density rather than spatial-density competition against diffraction-limit constraints. (2) Hot Layer — a commercial SSD caching tier absorbing all high-frequency read/write operations, decoupling user-perceived speed from optical layer access latency. (3) Control Layer — a local edge-resident AI subsystem performing semantic delta management: evaluating whether accumulated changes carry sufficient semantic weight to justify a base-version update on the optical cold tier, thereby mitigating optical medium cycle-life limitations at the architectural rather than material level. The disclosure also includes: erasure mechanisms (thermal via CO₂ laser above Tg; optical via reverse photochemical reaction); speculative Embodiment J (intra-crater zonal encoding — rim / wall slope / crater bottom as independent readout zones, with explicit coupling risk disclaimer); Embodiment K (rewritable volumetric optical storage as cold-tier alternative); and a complete comparative analysis against existing prior art (HDD, SSD, Project Silica, SPhotonix 5D, hybrid drive patents, enterprise AI tiered storage). NOVELTY SCOPE This disclosure does NOT claim invention of any underlying technology component. Rewritable optical storage, multispectral encoding, tiered cache architectures, polarization multiplexing, and AI-driven storage management each possess independent prior art lineage cited herein. The novelty asserted is strictly limited to the specific combinatorial integration of the above elements into a consumer-grade storage device architecture, as described in Parts III through V. ORIGINATION The core motivation — constructing a reusable photographic-film-like storage medium — was conceived independently by the author on May 26, 2026, inspired by the consumable nature of conventional silver-halide film. Architectural convergence was achieved through the author's Multi-Agent Adversarial Auditing Methodology, deploying multiple LLM systems (Grok, Claude, Gemini, ChatGPT) as adversarial stress-testing infrastructure under exclusive human direction and final judgment. LICENSE: CC0 1.0 Universal — No rights reserved.
Bo-Jun Han (Thu,) studied this question.