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 0x7ea1f788fa6828fe56e2fcb51f4933e74853625bdda4d59beedeb3f291ca03f8. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/63fc1191-079a-4470-bb4c-f8a0db979052.json and https://artists.proofprofile.net/proofs/artist/63fc1191-079a-4470-bb4c-f8a0db979052.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
88 Strings, Heavenly Voices and Gplden Trumpet
A Dig That Crazy Santa Claus - GBSUW1943777
One Fine Day (Un Bel Di Vedrema) - GBSUW1943780
Boulevard Of Broken Dreams - GBSUW1943760
Dry Marterie With An Olive - GBSUW1943782
Love Theme From "The Glenn Miller Story" - GBSUW1943772