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 0xbd4b2ce14f6fc2cd93e650599af555ce09ba593b02a38b0192f1ff8349c4cab3. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/904a04ef-f59e-497c-86a1-3e131859f0ae.json and https://artists.proofprofile.net/proofs/artist/904a04ef-f59e-497c-86a1-3e131859f0ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Don't You Think It's Time You Stopped Your Cryin'
Elf Song (Ballad Of The Wingbat Marmaduke)
I'm Just Waitin' (Anticipatin' For Her To Show Up)
Elf Song (Ballad of the Wingbat Marmaduke)
I'm Just Waitin' (Anticipation for Her to Show Up)
(Ballad Of The) Wingbat Marmakdue (Elf Song)