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 0x09c04d830e0d6a425ad2e34bb12bc197da1c0d11de7eb4550b8124053111c3c3. 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/c3aa822a-90d2-43c3-b026-8e071eeaf3f6.json and https://artists.proofprofile.net/proofs/artist/c3aa822a-90d2-43c3-b026-8e071eeaf3f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Medley: Gigi/Thank Heaven for Little Girls