あ子
type: MusicGroup
genre: vocaloid
popularity: 19
followers: 1069
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc889f1d402caa7ecc27245410cece6217cdb06248da495e990432f89c287b2. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ba64d01-cbc4-4c71-b04a-7ccc32533546.json and https://artists.proofprofile.net/proofs/artist/9ba64d01-cbc4-4c71-b04a-7ccc32533546.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
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album: Alcoholic
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  date published: 2019-06-12
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  track: 妄想犯
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  track: milk
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  track: ラジオゾンデ
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  track: 赤とシアン
  track: 渦中にて
  track: 深夜放送
  track: 口を衝く
  track: 毒善者の退廃
  track: ハーバリウム
album: 宝物のかけら
album: allusion
album: はなびら
album: ひかりのかけら
album: あきが来るまで
album: ディアブロ
album: あ！っという間に
album: Mr.D
album: 嘘をつく 2021 anniversary ver.
album: ちゃんちゃら
album: タイトル
album: あなたの乞いのゆく末は
album: エリレマ
album: 二人の未来
album: caramelized
album: Don't need cure?
album: あこがれは咲き
album: 不純同盟
album: Blue Letter
album: 推定ラブソング
album: 凛として
album: 斎戒 -MEIKO ver.-
album: 崩れ往く貌
album: フィナァレ／恋は甘美
track: ハッピーチートデー まんぷくREMIX
track: あいしてあげる (feat. KAITO)
track: ミレディー (feat. 鏡音リン)
track: オルソドクシア (feat. 鏡音レン)
track: ズューネ (feat. 鏡音レン)
track: あたしってさ。 (feat. 初音ミク)

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赤とシアン
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渦中にて
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深夜放送
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口を衝く
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毒善者の退廃
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ハーバリウム
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宝物のかけら
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allusion
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track: Judas
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track: 嘘をつく
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track: 目眩と雷
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track: 然様なら
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然様なら
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幕間
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secret
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はなびら
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ひかりのかけら
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あきが来るまで
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track: 正しい機能
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track: ローザ
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track: ベラドンナ
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ディアブロ
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ディアブロ
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あ！っという間に
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track: 立つ鳥は (feat. v4 flower)
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Mr.D
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嘘をつく 2021 anniversary ver.
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ちゃんちゃら
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タイトル
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あなたの乞いのゆく末は
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track: 嘘をつく 2021 anniversary ver. (feat. 鏡音リン&鏡音レン)
track: レテ (feat. 鏡音レン)
track: 髪を切る (feat. 初音ミク)
track: 愛を結ぶ (feat. 鏡音レン&初音ミク)
track: グリーディー・ガール (feat. 鏡音リン)
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track: ダークホース (feat. 初音ミク)
track: 流して！エンドロール (feat. 鏡音リン&初音ミク)

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ディアブロ (feat. 鏡音レン)
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嘘をつく 2021 anniversary ver. (feat. 鏡音リン&鏡音レン)
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レテ (feat. 鏡音レン)
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髪を切る (feat. 初音ミク)
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愛を結ぶ (feat. 鏡音レン&初音ミク)
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グリーディー・ガール (feat. 鏡音リン)
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ちゃんちゃら (feat. 鏡音リン)
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ダークホース (feat. 初音ミク)
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流して！エンドロール (feat. 鏡音リン&初音ミク)
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エリレマ
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二人の未来
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caramelized
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Don't need cure?
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あこがれは咲き
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track: エンドロールが終わるまで (feat. 音街ウナ)
track: Stacey (feat. 初音ミク)
track: あこがれは咲き (feat. 鏡音リン)

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エンドロールが終わるまで (feat. 音街ウナ)
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Stacey (feat. 初音ミク)
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あこがれは咲き (feat. 鏡音リン)
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不純同盟
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Blue Letter
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推定ラブソング
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凛として
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斎戒 -MEIKO ver.-
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崩れ往く貌
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フィナァレ／恋は甘美
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あいしてあげる (feat. KAITO)
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ミレディー (feat. 鏡音リン)
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オルソドクシア (feat. 鏡音レン)
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ズューネ (feat. 鏡音レン)
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あたしってさ。 (feat. 初音ミク)
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duration: PT3M31S
duration ms: 211764
explicit: false
by artist: あ子
by artist: ぐちり
by artist: シシド
by artist: 錦
by artist: EO
by artist: Hatsune Miku
in album: あたしってさ。
  type: MusicAlbum
  date published: 2023-08-28
isrc code: JP92Q2301662
audio: あたしってさ。 (feat. 初音ミク)
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