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 0x8c98e9115b9a8c73feae1172892b4980b6a87a9ada16ff225003e0084b8b68eb. 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/4f4f33c5-e715-4d81-88f0-452d87105465.json and https://artists.proofprofile.net/proofs/artist/4f4f33c5-e715-4d81-88f0-452d87105465.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I and I Rasta - Darryl Jenifer Dub Remix
The Meek Shall Inherit the Earth - Darryl Jenifer Dub Remix
I and I Survive - Darryl Jenifer Dub Remix
King Size Dub - Hamburg ("Flut" Version)