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 0x458647e8a63be80a077a27634a1175239a94ca533800f8cff6c5991939390b8f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7e3e0c5-eb84-4acc-8d51-53e3515267f2.json and https://artists.proofprofile.net/proofs/artist/d7e3e0c5-eb84-4acc-8d51-53e3515267f2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bluegrass Classics featuring Jim and Jesse McReynolds, Allen Shelton, and Jim Buchanan
Berry Pickin' in the Country: The Great Chuck Berry Songbook
Stay a Little Longer (The Hoe Down Fiddle Song)
The Old Country Church (with The Virginia Boys)