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 0x0034966c229f1ca74e7b20e02ceb1b9efa59f6325f06347a4bc5ea212d8024cb. 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/198ab610-704c-454b-bbf7-73d24df37293.json and https://artists.proofprofile.net/proofs/artist/198ab610-704c-454b-bbf7-73d24df37293.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I will never forget.〜もうひとつの理由〜（LESS MUSIC VERSION)
チョコレイト～鮮烈な味わい魅惑の世界～
チョコレイト〜鮮烈な味わい魅惑の世界〜
鋼の錬金術師 オリジナル・サウンドトラック 2