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 0x6ffdf78aa8e1cbacb809a871af0a43364a51022fea9dedd300f80dfb7f415976. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9db4f2a9-2e15-4232-837a-c8c6f0137392.json and https://artists.proofprofile.net/proofs/artist/9db4f2a9-2e15-4232-837a-c8c6f0137392.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Adventures of Me (And This Old Guitar)
Fast Folk Musical Magazine (December 1985, Vol. 2, No. 10)
Fast Folk Musical Magazine (Vol. 6, No.3) Tenth Anniversary-Live at the Bottom Line 1992
Strong Hand Of Love - A Tribute To Mark Heard