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 0x81b1aadbabe666bd46da52df618f5d3b7a78a63a7604f187daaf7a02119abc00. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e982f142-ade7-4132-bb12-b0f4677e8381.json and https://artists.proofprofile.net/proofs/artist/e982f142-ade7-4132-bb12-b0f4677e8381.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ain't It Just Like Love - feat. Buddy Guy
BLUES DON'T CARE - feat. CHRISTONE "KINGFISH" INGRAM
BROTHER JOHN BOOGIE - feat. JAMES COTTON
True Blues Brother: The Legacy of Matt 'Guitar' Murphy