Certificate of Authenticity — House of Echoes

ART

SA • CH

Certificate of Authenticity

Real Intelligence™ Sovereign Archival Record · Geneva & Zurich

This document certifies that the artwork detailed below is a registered, original masterpiece, cataloged under the permanent sovereign ledger of ART SA and verified through 27-Vector Real Intelligence™ curatorial spectroscopy.

Title of Masterwork

House of Echoes

Master Artist

Amara Sato

Year & Medium

2026 · Mixed media wall relief with light logic

Dimensions

Certificate Serial

CH-COA-9d1a7910630009f2e6334b6ffe987510-75A6D758

Freeport Registry Status

✓ Swiss Freeport Eligible (Geneva / Zurich)

Cryptographic SHA-256 Provenance Ledger:

75A6D7587376ECFE222488BACA0686CB5BF8A2CCBA774DE2C6128B264B8845EE

Verification Protocol: https://artsa.com/verify-coa?q=house-of-echoes · Date: November 07, 2026

Dr. Mateo Rossi

Material Spectroscopy

Curatorial Board RI

Lady Genevieve Sterling

Director of Provenance

Archival Ledger RI

Arthur Pendelton-Hayes

Custodian of the Vault

Sovereign Custody RI