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 0xb4ee60069e32f8546c4b58ecdf20fe75c7f07e39766717710b09fb2243262e2e. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cfd38d69-706b-45cf-b16f-049ba62f4131.json and https://artists.proofprofile.net/proofs/artist/cfd38d69-706b-45cf-b16f-049ba62f4131.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Got One Bottle (Hiphop/Trap Type beat)
I Know That You Like That (Hiphop/R&B Type Beat)