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 0x2d1dfdc6231c994bbcbaa619cef2c87ab5fbb68f1430578cbdc90aed7f82ea7b. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bdc9a8a9-8dba-464b-bb34-a3152f752dc4.json and https://artists.proofprofile.net/proofs/artist/bdc9a8a9-8dba-464b-bb34-a3152f752dc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
6 Days (Original Motion Picture Soundtrack)
Tabula Rasa - Original Series Soundtrack
The Boat (Original Motion Picture Soundtrack)
Rūrangi [Original Soundtrack (Season 1)]
Mothers of the Revolution (Original Motion Picture Soundtrack)
The Clamper, the Prince, the Yacht Thief
Mister Organ (Music from the Motion Picture)