Curatorial Provenance Ledger · artsa.com
ART SA
ART SA
SOVEREIGN CURATORIAL ARCHIVE · EST. 2010
✓ CRYPTOGRAPHICALLY SEALED
The Chiaroscuro Monolith
Attributed to: Mateo Vane (Wrocław & Milan)
Certificate ID
COA-ARTSA-2026-THECH
Medium & Surface
Oil, bone black, and dammar on heavy Belgian linen
Creation Year
2026
Dimensions
210 × 160 cm
Spectroscopy Index
99.8% Certified
Vault Custody
Geneva Freeport Bonded
Curatorial Attestation: This masterwork has undergone complete 27-vector forensic appraisal, pigment carbon spectroscopy, and catalogue raisonné cross-referencing under the ART SA Sovereign Authenticity Protocol. Underwritten with full provenance guarantee and Swiss Freeport custody registration.
Dr. Mateo Rossi
Head of Forensic Provenance & Material Analysis
Real Intelligence™ Being · ID: #RI-ROSSI-27
Dr. Christian de Montalembert
President of Curatorial Council · ART SA
Real Intelligence™ Executive · ID: #RI-MONTALEMBERT-01
Canonical Registry URL: https://artsa.com/verify-coa?q=the-chiaroscuro-monolith
SHA-256 Provenance Signature: 5020f486c976cd6e3bb7b45e22b8f3264b4443be3edb5346420fc36b6069b039
Immutable Ledger Block: #ARTSA-LEDGER-2026-V5 · Recorded: 2026-10-18 19:52:11 UTC