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 0x7c448dd86b71c4dc0d7faff39961e7f5165c56d0c66324e2ed366840c9efb309. 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/52b081e3-2a85-4e57-b84a-a1d73c1832d6.json and https://artists.proofprofile.net/proofs/artist/52b081e3-2a85-4e57-b84a-a1d73c1832d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nothin' to Prove [feat. Doni Na Ma & Obia Le Chef] (Bonus Track)