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 0x68186fba5ca81fddb77e5c75925181d117f8b72ed013134b35529192368e8bea. Chain 2 (Bitcoin): anchored in block 953618 (2026-06-14T09:16:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a521a66-ba85-4e86-b3b3-3cd6942035ad.json and https://artists.proofprofile.net/proofs/artist/1a521a66-ba85-4e86-b3b3-3cd6942035ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Angela Loves 76ers, Grandpa, and Dairy Queen
Ryan Loves Sbarro, the Italian Eatery, Heatran, and Tesla
Blues Masterpieces - Taking Care of Business
Paul Robeson: The Complete EMI Sessions 1928-1939
Henderson, Ray: Little Pal (from the 1929 Lloyd Bacon's Musical Movie "Say It with Songs")
Brown, Ray: That's Why Darkies Were Born (from "George White’s Scandals of 1931")
Ray Noble & The New Mayfair Dance Orchestra