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 0x5ea62150bd7c4e2ae96335515082cb17be7246d8cb3b6c6e8614600a63fc12c3. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5b962b5-610a-4216-bae5-018ab8410678.json and https://artists.proofprofile.net/proofs/artist/c5b962b5-610a-4216-bae5-018ab8410678.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Final Nights (Original Motion Picture Soundtrack)
Where Wolf? (From Video Game "Harry Potter: Magic Awakened" Hogsmeads Season)
DEADROP (Original Video Game Soundtrack)
Honor of Kings, Vol. 6 (Original Game Soundtrack)
MultiVersus (Original Video Game Soundtrack, Vol. 2)
Steven Universe: Sky Arena - Eliminate Remix