加藤 達也
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T15:20:52Z
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album: 魔王2099 オリジナルサウンドトラックvol.1
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  track: The return of the king
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  track: Fragile & Beauty
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  track: Puzzled
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  track: Life comes and goes
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  track: Marcus
  track: Absolute evil
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  track: Wicked
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  track: Hunting immortality
  track: Operation begins
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  track: Demon Lord 2099
album: 魔王2099 オリジナルサウンドトラックvol.2
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track: Cyberpunk City Shinjuku
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track: Loyalty or Love?
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track: ホロウ -Piano Arrange Ver.-
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Marcus
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Absolute evil
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Life is so bright
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What a pretty
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Urban life
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Goofy
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SMH
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Wicked
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Veltol Velvet Velsvalt
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Back alley
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The dominator
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Seesaw battle
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Intelligence
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Make it snappy
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Walking on eggshells
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Hunting immortality
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Operation begins
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Maneuver
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Demon Lord 2099
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魔王2099 オリジナルサウンドトラックvol.2
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track: Believe in me
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track: Cyberpunk City Shinjuku
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track: Back to back
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Relief
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Loyalty or Love?
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Bright Days
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Squabble!
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Cybermagic City Akihabara
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Akihabara Private School of Magic
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Noble and elegant
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Empty heart
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Lonely Half-Elven
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The Immortal Furnace
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Face-to-Face
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Overwhelming Force
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One-on-One
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The Never Setting Sun
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At the end of love and sorrow
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You are my squad
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ホロウ -Piano Arrange Ver.-
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スピラ -Piano Arrange Ver.-
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Urban life
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Empty heart
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Cybermagic City Akihabara
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Cyberpunk City Shinjuku
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Demon Lord 2099
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The return of the king
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Make it snappy
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Intelligence
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Life is so bright
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Puzzled
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スピラ -Piano Arrange Ver.-
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Veltol Velvet Velsvalt
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Seesaw battle
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The dominator
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Loyalty or Love?
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Life comes and goes
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ホロウ -Piano Arrange Ver.-
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Fragile & Beauty
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Absolute evil
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Chill out
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