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 0x1ce1f7b921294077a7e459ee6953207d93b68e80e1db3047834205c749128989. Chain 2 (Bitcoin): anchored in block 953733 (2026-06-15T03:12:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/96e9369f-28e8-4865-b4a3-5b6a17299132.json and https://artists.proofprofile.net/proofs/artist/96e9369f-28e8-4865-b4a3-5b6a17299132.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dancing with a tambourine - Original Mix