Status: L3-candidate V5 packet (deepened: protocols, tolerances, assembly, FMEA)...
<!-- SPDX-License-Identifier: CC-BY-4.0 --> --- instrument: Harpsichord family: string_keyboard_plucked packet_mode: v5_l2_planning authority: concept_only readiness: L2 planning packet ---
Live interactive acoustic model (Wolfram Cloud, Public-Execute). Drag the sliders; every value is computed from estimate placeholders — pending measurement, not fabrication authority.