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 0x459e068afcd677dbcec65c1f4fa956509c33962c63270e84f62a0c780dd4ab32. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b4667bd-3326-4372-851d-1a2d143b27a8.json and https://artists.proofprofile.net/proofs/artist/1b4667bd-3326-4372-851d-1a2d143b27a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Golden Age of Light Music: Contrasts: From the 1960s back to the 1920s - Vol. 2
Nobody loves you like I do (From the operetta 'Paganini')
Everything’s been done before (from the film 'Reckless')
Wild Ride (From a study in Fox Trot Rhythm)
Piano Concerto in B-Flat (Tonight We Love)
Ultimate Big Band Collection: Great Theme Songs
Remember Pearl Harbor: Classic Songs Of World War II
Schellack Schätze: Treasures on 78 RPM from Berlin, Europe and the World, Vol. 25
Greatest Classics: Andre Kostelanetz, Xavier Cugat, Freddy Martin