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 0xdd4b32bc2e684ea8501346e63a39db7662a82e88edec5f5ea1208ffdbc3b8f44. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8b15380-0810-45d0-8d3e-69f773e4d44f.json and https://artists.proofprofile.net/proofs/artist/b8b15380-0810-45d0-8d3e-69f773e4d44f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tsuyako (Original Motion Picture Soundtrack)
Mandevilla (Original Motion Picture Soundtrack)
Circuit (Original Soundtrack for the Short Film)
Butch Please (Original Motion Picture Soundtrack)
Mistress Candi (Original Motion Picture Soundtrack)
Dear Ernie (Original Motion Picture Soundtrack)
Roberta's Rules (Original Motion Picture Soundtrack)
The Amazing Adventures of Daisy the Little Doodle