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 0x65233d69043cb922bb2957a5cf8d302af0a4154f6cc955693df8eb443c9a813f. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebd1b468-3ab3-4eda-88da-7306b0f1c3f6.json and https://artists.proofprofile.net/proofs/artist/ebd1b468-3ab3-4eda-88da-7306b0f1c3f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Reach For The Stars (feat. Dani Roberts)
ゴリウォーグのケークウォーク 組曲「子供の領分」より
ひまわりの旅（オリジナル・カラオケ）
ひとりでもいい（オリジナル・カラオケ）