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 0x60412dd3c3a468d47709ddd8562cd836f845fe4a5784b6db93f034cf9d4a3fbc. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d30702f-597d-4282-a267-45a152fd6888.json and https://artists.proofprofile.net/proofs/artist/5d30702f-597d-4282-a267-45a152fd6888.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ocean like me (Original Web Drama Soundtrack, Pt. 1)
Ocean like me (Original Web Drama Soundtrack)
Ocean like me (Drama Version) - English Version
Oh! My assistant (Original Television Soundtrack) Pt. 5
ああっ! 僕のアシさま Oh! My assistant オリジナル・サウンドトラック Part.5