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 0xe5e7fcc6b5ae7d47b9aefaee2205b3f28bb318c2a70957a12aed14a6441c6927. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3e80a145-0388-47af-b2e1-c0643bb193b5.json and https://artists.proofprofile.net/proofs/artist/3e80a145-0388-47af-b2e1-c0643bb193b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
There's Only One Loco Loco (DJ Marvin & DJ Michel 2021 Remix)