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 0xa003f21e6e2ba623bfdcd772e32859c27f9b2065ffbc4d534818e776ad27cb32. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0a8de26-87c3-4f4c-b40e-e59867db87ed.json and https://artists.proofprofile.net/proofs/artist/c0a8de26-87c3-4f4c-b40e-e59867db87ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chapter 1.4 & Chapter 2.1 - Elvis & Jones
Chapter 2.4 & Chapter 3.1 - Elvis & Jones
Chapter 3.3 & Chapter 4.1 - Elvis & Jones
Chapter 4.3 & Chapter 5.1 - Elvis & Jones
Chapter 5.3 & Chapter 6.1 - Elvis & Jones
Chapter 6.3 & Chapter 7.1 - Elvis & Jones
Chapter 7.4 & Chapter 8.1 - Elvis & Jones
Chapter 8.3 & Chapter 9.1 - Elvis & Jones
Chapter 9.4 & Chapter 10.1 - Elvis & Jones
Chapter 10.3 & Chapter 11.1 - Elvis & Jones
Chapter 11.3 & Chapter 12.1 - Elvis & Jones
Chapter 12.2 & Chapter 13.1 - Elvis & Jones
Chapter 13.3 & Chapter 14.1 - Elvis & Jones
Chapter 14.3 & Chapter 15.1 - Elvis & Jones