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 0x2199deeefb1a26dfe734ebf6af26f7112674e88a19bb61d162dc664ec62b5933. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c825cf1-fc82-425c-8058-6ef55db13429.json and https://artists.proofprofile.net/proofs/artist/2c825cf1-fc82-425c-8058-6ef55db13429.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Shine On Your Shoes/Steppin' Out With My Baby Medley
What Wondrous Love Is This / O Sacred Head Now Wounded
When It Comes To Lovin' The Girls/They're All Sweeties Medley
Pine Cones and Holly Berries/ It's Beginning To Look A Lot Like Christmas Medley
If There's Anybody Here From Out of Town