Eight
type: MusicGroup
genre: vocaloid
popularity: 28
followers: 3447
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
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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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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5110d39fee44c761c842e60bcfdc730947130815488e42f4b96b2c79ea07255f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7984879b-6679-42c8-a155-5aa5a70c0f65.json and https://artists.proofprofile.net/proofs/artist/7984879b-6679-42c8-a155-5aa5a70c0f65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Saiyukan de kimiwa
  type: MusicAlbum
  date published: 2012-12-15
  track: Nigella no Youdai
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  track: Meikaku
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  track: Syumatsu no Donten
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  track: Flashback Ambience
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  track: Bantou Sanka to Shiroi Iki
  track: Saruyume
  track: Saiyukan de kimiwa
  track: Hayaokuri no Kanjo
  track: Blue Edge to Sukuenai Sekai
  track: Isolation
  track: Konayuki Hachibangai
  track: Shiawaseiro Landscape
  track: Amefuri no Machi ni Tatazumu
album: 最憂間で君は
album: コバルトブルーの白昼夢
album: Cobalt Blue no Hakuchumu
album: 拒絶のファイル
album: Kyozetsu no File
album: アシッドエンド
album: Acid End
album: スロウスーサイド
album: Slow Suicide
album: Mada Ikiteitai
album: まだ生きていたい
album: 君を毀す魔法だよ
album: Magic to Break You
track: とても素敵な六月でした
track: Totemo Sutekina Rokugatsu Deshita
track: 君を毀す魔法だよ
track: Slow Suicide
track: Yotsuya-san ni Yoroshiku
track: 四ツ谷さんによろしく
track: Mada Ikiteitai
track: まだ生きていたい
track: Psycho
track: リトルランプライト
track: スロウスーサイド
track: マッドマジックファンタジー
track: フラッシュバックアンビエンス
track: Rokushoiro ni Shizumu Machi no Shinjitsu toha
track: サイコ
track: Flashback Ambience
track: バッドアンブレラ
track: Urotaeru Shinzo to Gunjoshigai ni Narichirakasu Siren ga Hidoku Urusakatta
track: 悪夢少年
track: Little Lamp Light

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Bantou Sanka to Shiroi Iki
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Saruyume
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Saiyukan de kimiwa
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Hayaokuri no Kanjo
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Blue Edge to Sukuenai Sekai
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Isolation
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Konayuki Hachibangai
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Shiawaseiro Landscape
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Amefuri no Machi ni Tatazumu
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最憂間で君は
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date published: 2012-12-15
track: ニゲラの容態
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track: 鳴覚
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track: 終末の曇天
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track: フラッシュバックアンビエンス
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track: ブルーエッジと救えない世界
track: 愛想レーション
track: 粉雪八番街
track: 幸せ色ランドスケープ
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サイユウカンで君は
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早送りの感情
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ブルーエッジと救えない世界
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愛想レーション
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粉雪八番街
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幸せ色ランドスケープ
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雨降りの街に佇む
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コバルトブルーの白昼夢
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緑青色に沈む街の真実とは
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とても素敵な六月でした
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天使マディと最終電車
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ラストシーンに悪魔は要らない
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Cobalt Blue no Hakuchumu
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track: Cobalt Blue wo Tatakitsubushita youna Emi de
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track: Urotaeru Shinzo to Gunjoshigai ni Narichirakasu Siren ga Hidoku Urusakatta
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track: Rokushoiro ni Shizumu Machi no Shinjitsu toha
track: Totemo Sutekina Rokugatsu Deshita
track: Tenshi Maddy to Saishudensha
track: Last Scene ni Akuma wa Iranai

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Shoushin Shoumei
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Rokushoiro ni Shizumu Machi no Shinjitsu toha
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Totemo Sutekina Rokugatsu Deshita
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Tenshi Maddy to Saishudensha
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Last Scene ni Akuma wa Iranai
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拒絶のファイル
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track: 悪夢少年
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track: 少女リジェクト
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track: 僕らの全知全能概念
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track: アオイの夢地獄
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track: マッドマジックファンタジー
track: リトルランプライト
track: 唸る刃と群青正義
track: 鳥
track: ゴーストタウンRPG
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マッドマジックファンタジー
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リトルランプライト
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唸る刃と群青正義
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鳥
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ゴーストタウンRPG
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見張っている少女
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Kyozetsu no File
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track: Akumu Shounen
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track: Shoujo Reject
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track: Bokura no Zenchizennou Gainen
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track: Aoi no Yumejigoku
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track: Mad Magic Fantasy
track: Little Lamp Light
track: Unaru Yaiba to Gunjouseigi
track: tori
track: Ghost Town RPG
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Mad Magic Fantasy
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Little Lamp Light
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Unaru Yaiba to Gunjouseigi
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tori
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Ghost Town RPG
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Mihatteiru Shoujo
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アシッドエンド
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Acid End
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スロウスーサイド
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Slow Suicide
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Mada Ikiteitai
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まだ生きていたい
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君を毀す魔法だよ
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Magic to Break You
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とても素敵な六月でした
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Totemo Sutekina Rokugatsu Deshita
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君を毀す魔法だよ
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Slow Suicide
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Yotsuya-san ni Yoroshiku
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四ツ谷さんによろしく
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Mada Ikiteitai
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まだ生きていたい
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Psycho
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リトルランプライト
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スロウスーサイド
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マッドマジックファンタジー
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フラッシュバックアンビエンス
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Rokushoiro ni Shizumu Machi no Shinjitsu toha
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サイコ
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Flashback Ambience
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バッドアンブレラ
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Urotaeru Shinzo to Gunjoshigai ni Narichirakasu Siren ga Hidoku Urusakatta
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悪夢少年
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Little Lamp Light
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    type: PropertyValue
    value: 135.025
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.639
  additional property: Energy
    type: PropertyValue
    value: 0.844
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.363
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.823
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.539