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 0xe0cf89a1248810e6be5b302e0f5d31b4cf3b98084ac5c82b9e36c2dd6282a329. Chain 2 (Bitcoin): anchored in block 953599 (2026-06-14T06:43:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d90d75f-cabf-4a82-a3af-534aec57f360.json and https://artists.proofprofile.net/proofs/artist/0d90d75f-cabf-4a82-a3af-534aec57f360.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Dragon's Age - Timeless Festival 2023 Anthem