1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3791daa10823726700891fb84c77f0062ed4611ef5fd7e12c5070d2626e763d1. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3fa3767e-b687-4119-b126-8a3d6b29cf38.json and https://artists.proofprofile.net/proofs/artist/3fa3767e-b687-4119-b126-8a3d6b29cf38.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chiaroscuro Suite: I. The Long Day Wanes
Chiaroscuro Suite: II. Riccordando Domani
Chiaroscuro Suite: III. Sonata No. 1 for Harp
Chiaroscuro Suite: III. Sonata No. 2 for Harp
Chiaroscuro Suite: III. Sonata No. 3 for Harp
Chiaroscuro Suite: IV. Il Pasato Sparito
Chiaroscuro Suite: IV. Conto Alla Coscienza
Chiaroscuro Suite: IV. The First Snows of Winter
Chiaroscuro Suite: Ia. The Long Day Wanes
Chiaroscuro Suite: IIb. Riccordando domani
Chiaroscuro Suite: IIIc. Sonata No. 1 for Harp
Chiaroscuro Suite: IIId. Sonata No. 2 for Harp
Chiaroscuro Suite: IIIe. Sonata No. 3 for Harp
Chiaroscuro Suite: IVd. Il Pasato sparito
Chiaroscuro Suite: IVf. Conto alla coscienza
Chiaroscuro Suite: IVg. The First Snows of Winter
Pluto's Crossing: If. Outbound to Kuiper
Pluto's Crossing: IIa. The Arc of True Anomaly, Pt. 1
Pluto's Crossing: IIb. Solar Escape Trajectory
Pluto's Crossing: IId. The Arc of True Anomaly, Pt. 2
Pluto's Crossing: IIf. The Arc of True Anomaly, Pt. 3
Pluto's Crossing: IIIb. Portraits of Secrets
Pluto's Crossing: IIIf. Signal Acquisition
Pluto's Crossing: IVb. Celestial Solitude
Pluto's Crossing: IVc. Charon (The Closest of Strangers)
Pluto's Crossing: IVe. The Arc of True Anomaly, Pt. 4