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 0xca3de8a4882283f6cd0569fca9b45b47a70d8cc02e6704fae665cfa6420a55ad. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/491c7591-792f-47da-ab8f-0e135a724f01.json and https://artists.proofprofile.net/proofs/artist/491c7591-792f-47da-ab8f-0e135a724f01.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Time To Kill Another One - Estasia Remix
Masters In The Mix Vol V (Mixed By Angerfist and F. Noize)