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 0x1c258edd7177ab49bc45b141368632c1fa2a4db9fb5e65f89e4158e93879954f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6216d29e-3806-4a7a-a935-b0c726b448c4.json and https://artists.proofprofile.net/proofs/artist/6216d29e-3806-4a7a-a935-b0c726b448c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Zombieland: Original Motion Picture Soundtrack
Ghost Rider: Spirit of Vengeance (Original Motion Picture Score)
Hold The Baby/You Can't Live Without Her
Premium Rush (Original Motion Picture Soundtrack)
Sabotage (Original Motion Picture Soundtrack)
Zombieland: Double Tap (Original Motion Picture Soundtrack)
Call of the Buffalo Tallahassee's Goodbye
Ida Red (Original Motion Picture Soundtrack)