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 0xc03eca59083970a7b0b7c7f0f200b4e8f70ee79ff29491aaa9f6a8ce17ab6156. 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/e4b92796-3844-4e3e-b89d-d27e27190bfd.json and https://artists.proofprofile.net/proofs/artist/e4b92796-3844-4e3e-b89d-d27e27190bfd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
メリー・ゴー・ラウンド・アパート
さよならインストール (feat. たまちゃん)
メリー・ゴー・ラウンド・アパート - 鹿あるくremix
アングラ・タイプ・コーポレーション
カリスマティック・スーパードゥーパー・ロックスター