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 0xbc39387e372a5d5e121bf893b3f7a7993416dd3860a575296ce5d576b1a463b2. Chain 2 (Bitcoin): anchored in block 953710 (2026-06-14T23:32:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7dde7762-6046-4bf5-a6fb-10af5430af2f.json and https://artists.proofprofile.net/proofs/artist/7dde7762-6046-4bf5-a6fb-10af5430af2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bad Romance (Genius Original Series Single)
Partita No. 1 for Solo Violin "Double" BWV 1002 (Excerpt)
Adagio in E Major for Violin and Orchestra K.261 (Excerpt)