Refuge Sphere v9.0 — Technical Annexes (Appendices 4–9)

Technical annexes supplementary to the main document: Refuge Sphere v9.0 Lightweight Optimized Design (DOI: 10.5281/zenodo.19822922). Author: Enrico Titimali. Contents: Appendix 4 — FMEA (Failure Modes and Effects Analysis) covering SC magnetic system, structure, access hatches, and life support; Appendix 5 — Verification and Validation plan with acceptance criteria; Appendix 6 — Maintenance and Life Cycle; Appendix 7 — Production Specifications including YBCO film deposition process (PLD/MOCVD); Appendix 8 — Installation on Generic Spacecraft; Appendix 9 — In-Orbit Testing (IOT) sequence and certification criteria; References.