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 0x5870d36020abfca38b8beec9a8bd4147c7fc7cd09783a53d0c7e0639438d1d04. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0f11b74-fa1d-48af-8047-3f467248094e.json and https://artists.proofprofile.net/proofs/artist/c0f11b74-fa1d-48af-8047-3f467248094e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
She Loves Me (2016 Broadway Cast Recording)
If I Were a Rich Man from Fiddler on the Roof
The Golden Age of Light Music: Light and Easy
On the Side of the Angels (From "Fiorello")
The Golden Age of Light Music: Non-Stop to Nowhere
If I Were a Rich Man - From "Fiddler on the Roof"
My Favorite Musicals Vol. 2: Peaceful Piano
Do You Love Me - From "Fiddler on the Roof"
Fiddler On the Roof, Act I: If I Were a Rich Man
Sunrise, Sunset (From "Fiddler on the Roof")