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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6fbca9abb81e9aab9b40a0f97f5ecbf827fd033e13adc4d3537a560658263a. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8057343f-2d36-430e-9942-d37ac64a346b.json and https://artists.proofprofile.net/proofs/artist/8057343f-2d36-430e-9942-d37ac64a346b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cacilie, Op. 27. No. 2 - Morgen, Op. 27, No. 4
I Bless Every Hour - Ah, Love, but A Day!
Il Trovatore, Act III: "Ah! Si, ben mio"
Un Ballo in Maschera, Act II: "Di' tu se fedele Il flutto m'aspetta"
La Fanciulla del West, Act III: "Ch'ella mi creda libero"
Áfram veginn: Perlur - Safn vinsælla laga Heimis
On the Road to Mandalay (Arr. F. Black for baritone and orchestra)
Warren, Leonard: Sea Shanties - Kipling Songs - Songs for Everyone (1947-1951)
But Rome and All Her Legions (Caractacus)
Now Your Days of Philandering Are Over (Marriage of Figaro)
Piano Trio No.2 in E flat Op.100: I. Allegro
Piano Trio No.2 in E flat Op.100: II. Andate con moto