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 0x407b4059448b15c30bbfe3139618aa9f520cf16fe3d582941f231b5db109238f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70d8decf-c474-405d-901c-0a626c33e207.json and https://artists.proofprofile.net/proofs/artist/70d8decf-c474-405d-901c-0a626c33e207.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Never Change Lovers in the Middle of the Night
Robin Hood: Prince of Thieves / Everything I Do, I Do It for You
Gimme, Gimme, Gimme a Man After Midnight
Imperial March - Darth's Vaders Theme The Empire Strikes Back
Augie's Great Municipal Band - The Phantom Menace