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 0x17d25ade05265556e9a1ddbcfdef36abc0b8d26e721e9dc19f8e65f36e328843. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/270e2a3f-b110-4b1c-bd7b-86baf98a386c.json and https://artists.proofprofile.net/proofs/artist/270e2a3f-b110-4b1c-bd7b-86baf98a386c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
絶唱カラオケマンの歌（オリジナル・カラオケ）
Zesshou Karaoke Man no Uta (original karaoke)
ハレー彗星（ゲキガスキーのテーマ）
ヤットデタマン・ブギウギ・レディ
The 50th Anniv. MOEYO DRAGONS! 2024 Utopia of Dragon