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 0x9692a8d4cd1eef221c3a0009611c89cbd97c31dcfdfddd991a4ccf13dbe3ea41. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f576c6e1-9aa5-4982-aae2-d7ff8623d87e.json and https://artists.proofprofile.net/proofs/artist/f576c6e1-9aa5-4982-aae2-d7ff8623d87e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Star Wars Main Title and Arrival At Naboo
The Droid Invasion and the Appearance of Darth Maul
Augie's Great Municipal Band and End Credits