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 0xc3a0b5c6489ba58d9be7b9e3b771d3d61e19b66e1c8ae71425c9277c99affb33. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/78bb69a4-e588-46e6-9a01-858423ab3398.json and https://artists.proofprofile.net/proofs/artist/78bb69a4-e588-46e6-9a01-858423ab3398.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Red, Maca's Return - Orchestral Version
Heron, Until We're Free - 2023 Remastered Version