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 0x5a12690312c433cce64a2f03204506d0f14a7ae602816a97c2ea30de2b152a0b. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/85daf9bf-8d04-4f61-9e55-9246eaba9f10.json and https://artists.proofprofile.net/proofs/artist/85daf9bf-8d04-4f61-9e55-9246eaba9f10.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best Of Edi Fitzroy: The Musical Ambassador Years
The Tide Is High: A Tribute to Rock 'n' Roll