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 0x0b54666ab2d618fbb70ce11e41385b6f96c973959d62d5f710f9f965ab0bce9f. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/562d7b0b-c737-44a1-954f-a92b0aca8020.json and https://artists.proofprofile.net/proofs/artist/562d7b0b-c737-44a1-954f-a92b0aca8020.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
オーバードライブ・センセーション
last cross -from CrosSing - Instrumental
「でんでんの電脳電車」サウンドトラック
きみのためのアマイせかい / ダウト
あの音楽の名前を知っていますか