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 0x235aafae9421d0ed49e36e7d05b0130fdfa76c7df28357eecd892558bbaec649. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9cecfc0-3666-4b18-a832-988cadd41572.json and https://artists.proofprofile.net/proofs/artist/f9cecfc0-3666-4b18-a832-988cadd41572.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
無伴奏ヴァイオリン・パルティータ第2番より アルマンド
無伴奏チェロ組曲 第1番より プレリュード
Violin Partita No. 2 in D Minor, BWV 1004: I. Allemande
Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
もっと上手にステップが踏めますように
Original Soundtrack from "UNBOUND" Vol. 1