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 0x69af5c324281cba1965bae5938a7a80011cf7a39e2e441368ddaed33c55e6c71. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/13c6ab7c-9237-44ec-a0d6-9783529b1d70.json and https://artists.proofprofile.net/proofs/artist/13c6ab7c-9237-44ec-a0d6-9783529b1d70.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ＣＤベスト・シリーズ グラシェラ・スサーナ・ＣＤベスト
フォルクローレ／グラシェラ・スサーナ、ユパンキを歌う
カニミート／グラシェラ・スサーナ アルゼンチン・タンゴを歌う
GOLDEN☆BEST グラシェラ・スサーナ～アルゼンチンの歌姫
GOLDEN☆BEST グラシェラ・スサーナ〜アルゼンチンの歌姫