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 0x521929ad0caaf4bdd05be818a3a4a4518614006babb86464d1b0aed8dbf1855d. Chain 2 (Bitcoin): anchored in block 953598 (2026-06-14T06:40:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d480137-5cfb-4da5-994a-4c7ec00a0583.json and https://artists.proofprofile.net/proofs/artist/0d480137-5cfb-4da5-994a-4c7ec00a0583.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Almeria - Gael Rakotondrabe Piano Version
La Boulangerie, Vol. 3 (La Fine Équipe & Friends)