1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab5ffd45a826df7f550106d62bdeb17e05436a8af5055ce2aa25df3a812ec0e. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bbc8685d-875d-4d44-8f08-d9344c5639b1.json and https://artists.proofprofile.net/proofs/artist/bbc8685d-875d-4d44-8f08-d9344c5639b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Highest Treasure (Original Short Film Soundtrack)
The Knockoffs (Official Trailer Soundtrack)
First Sight (Original Short Film Soundtrack)
Comic Timings of Life (Original Web-Series Soundtrack)
Compilations, Vol. 1 (Various Original Sountracks)
Painkiller (Original Motion Picture Soundtrack)
Val & Tine (Original Video Game Soundtrack)
Divine Devotion (Original Game Soundtrack)