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 0x87310c0ab082e891326353ce5d88d87a49f4b96867111596a5c6ddaea0681fbf. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/91c9078d-918c-4b89-a36b-fc9f2051e2b1.json and https://artists.proofprofile.net/proofs/artist/91c9078d-918c-4b89-a36b-fc9f2051e2b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bonkura No Uta P.k.a Bokura No Uta (Touspo Luv)
BUMP / 空っぽの街角 REMIX feat. LUVRAW&BTB / YOKOHAMA LAUGHTER
空っぽの街角 REMIX (Live@BAYSIDE YOKOHAMA) with LUVRAW&BTB
Dear MaMa (Live@BAYSIDE YOKOHAMA) with LUVRAW&BTB
ゴメンナサイ feat. サイトウ''JxJx''ジュン (YOUR SONG IS GOOD)
Yokohamashika (Instrumental) feat. Ozrosaurus
Yokohamashika (A'cappella) feat. Ozrosaurus
Mazeruna Kiken Mazete Ikeike (feat. Nazo Micchan)
混ぜるな危険、混ぜてイケイケ feat. 謎みっちゃん
RUN AND GUN feat. LEON a.k.a. 獅子, DOLLARBILL
Yokohama La La La/メリゴ/上サイン/ホラガイHOOK/ムーンライト
絶対舌命 feat. DABO、KEN THE 390、MEGA-G、ミステリオ
絶対舌命 feat. DABO、KEN THE 390、MEGA-G、ミステリオ(Instrumenal)
Let's Go 遊ぼうZE 2 feat. YOUR SONG IS GOOD
YOKOHAMA SKYWALKER feat. SAMI-T from Mighty Crown､AISHA
Uptown Anthem feat. 碧棺左馬刻(from｢ヒプノシスマイク -Division Rap Battle-｣)