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 0x2f661b3df5a7a1a20ce39ef324e0805bfaa89eabe45618ee5253b988945a9ba3. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b33e79db-d30c-46fc-8586-d7c0a8cfd418.json and https://artists.proofprofile.net/proofs/artist/b33e79db-d30c-46fc-8586-d7c0a8cfd418.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Call Me On The Weekend - House & Base Remix