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 0x9722768e1713506c6c73fbbc31714be204fbccd4795d192309d4156dcb7c3500. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/10bdb64e-4b2d-4c57-93da-4418578bf93b.json and https://artists.proofprofile.net/proofs/artist/10bdb64e-4b2d-4c57-93da-4418578bf93b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cyberspace System (Original Game Soundtrack)
Chronicles of White (Original Game Soundtrack)
The Great Tribes (Original Game Soundtrack)
And in the End (Original Game Soundtrack)
Lord Ambermaze (Original Game Soundtrack)
The Wind of Time (Original Game Soundtrack)
The Great Tribes. Chapter 2 (Original Game Soundtrack)
The Great Tribes. Chapter 3 (Original Game Soundtrack)