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 0xd48690d59f03fdf3a57f3c295c46d65d4447f6a35babcbe1b661ce003a4e98a7. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8dc89d84-ab59-4966-b964-bf85a3e3a32f.json and https://artists.proofprofile.net/proofs/artist/8dc89d84-ab59-4966-b964-bf85a3e3a32f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kyou mo Atarashii Yume wo Miru (Standard Edition)
Endless Sorrow - Firework DJs Club Remix
Boku wa Kimi wo Aishiteru (Standard Edition)
Boku wa Kimi wo Aishiteru - Instrumental
Kiseki - Ichiban Suki na Hito no Tameni -