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 0x829cc5a53a43c298722cb235e8d8f445561e6e9390cc884c993ee01fba1415ef. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f885ad22-c798-47c4-9d27-8aced5f0be74.json and https://artists.proofprofile.net/proofs/artist/f885ad22-c798-47c4-9d27-8aced5f0be74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
No More Regrets (Delta 9 & Lenny Dee Mix)
The Unconquerable Man - The Outside Agency Remix