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 0x1519ca6216d3a223988ff2781e59a3f1ea99f132ef4a6de6a3fbc3348d9988fc. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcac95cf-6f21-4b3a-8db2-8c81cd769395.json and https://artists.proofprofile.net/proofs/artist/fcac95cf-6f21-4b3a-8db2-8c81cd769395.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
アイム・イン・ラブ[リモデルドタイプD]
オーバー・アンド・オーバー・アゲイン[初期未発表曲]
ウインターモーション～君が僕を変える～
투니버스 파파독 (Original Television Soundtrack)