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type: MusicGroup
genre: vocaloid
popularity: 15
followers: 539
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity 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 0x8aa3a94a80987daf07af349c980f4e05384f6661f2014268d2a527f8d0fcfdac. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dbf1269a-09f5-41bf-9a49-d9ea80834b63.json and https://artists.proofprofile.net/proofs/artist/dbf1269a-09f5-41bf-9a49-d9ea80834b63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
album: Last Letter
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  date published: 2023-12-23
album: 心の雨
  type: MusicAlbum
  date published: 2023-12-23
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      date published: 2023-12-23
    genre: vocaloid
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    additional property: OTSVerificationAPI
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T05:16:57Z
    audio: 心の雨
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      additional property: Danceability
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album: ウラギリ
  type: MusicAlbum
  date published: 2023-12-23
album: 最後の手紙
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-20T00:09:36Z
    audio: 最後の手紙
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album: Rain of Heart
album: Uragiri
album: ハナビラ
album: Petal
album: ラストオーダー (feat. 重音テト)
album: Last Order (feat. KASANE TETO)
album: 夏が来る。 (feat. 重音テト & 初音ミク)
album: Summer is just around the corner. (feat. KASANE TETO & HATSUNE MIKU)
album: 天下統一 (feat. 可不)
album: Beyond, to the contrails (feat. Musical Isotope SEKAI & KAFU)
album: wanted to live more (feat. KAFU)
album: ただ愛されたかった (feat. 可不)
album: broken (feat. KAFU)
album: broken (feat. 可不)
album: もっと生きたかったよね (feat. 可不)
album: unify the whole country (feat. KAFU)
album: until it reaches zero (feat. KAFU & HATSUNE MIKU)
album: ぜろになるまで (feat. 可不 & 初音ミク)
album: What is happiness (feat. KAFU)
album: I just wanted to be loved (feat. KAFU)
album: 幸せとは (feat. 可不)
album: 彼方、飛行機雲まで (feat. 音楽的同位体 星界 & 可不)
album: いかないで。 (feat. 可不)
album: Do not leave me alone (feat. KAFU)
album: starry sky and isotopes (feat. KAFU & Musical Isotope SEKAI)
album: 星空と同位体 (feat. 可不 & 音楽的同位体 星界)
album: A song for the future
album: 未来へ贈る唄
album: Torikago (feat. 音楽的同位体 星界)
album: Torikago (feat. Musical Isotope SEKAI)
album: ねむれないよる (feat. 可不)
album: sleepless night (feat. KAFU)
album: swim to the moon (feat. KAFU)
album: 月に泳ぐ (feat. 可不)
album: blank (feat. KAFU)
album: くうはく (feat. 可不)
album: 今日、世界が終わるのでした。 (feat. 可不)
album: The world would end today. (feat. KAFU)
album: If there were words of love (feat. KAFU)
album: 好きの言葉があったなら (feat. 可不)
album: 時空哀歌 (feat. 可不)
album: space-time dirge (feat. KAFU)
album: eternal summer girl (feat. KAFU)
album: 永遠の夏少女 (feat. 可不)
album: love heart rate (feat. KAFU)
album: 愛の心拍数 (feat. 可不)
album: きえたいよるに (feat. 可不)
album: In the night I want to disappear (feat. KAFU)
album: ほんね
album: true feelings
album: Naimonosagashi (feat. KAFU)
album: ないものさがし (feat. 可不)
album: I'm sorry I'm alive (feat. KAFU)
album: 生きてしまってごめんなさい (feat. 可不)
album: Dear Body, Dear Life (feat. KASANE TETO)
album: 愛しき体、愛しき命 (feat. 重音テト)
album: 陰に咲く花 (feat. 可不)
album: Flowers in the shade (feat. KAFU)
album: Last message (feat. KAFU)
album: ラストメッセージ (feat. 可不)

Liveness
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Valence (Positivity)
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Rain of Heart
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date published: 2023-12-23

Uragiri
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date published: 2023-12-23

ハナビラ
type: MusicAlbum
date published: 2024-04-12

Petal
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date published: 2024-04-12

ラストオーダー (feat. 重音テト)
type: MusicAlbum
date published: 2024-04-12

Last Order (feat. KASANE TETO)
type: MusicAlbum
date published: 2024-04-12

夏が来る。 (feat. 重音テト & 初音ミク)
type: MusicAlbum
date published: 2024-05-11

Summer is just around the corner. (feat. KASANE TETO & HATSUNE MIKU)
type: MusicAlbum
date published: 2024-05-11

天下統一 (feat. 可不)
type: MusicAlbum
date published: 2024-06-06

Beyond, to the contrails (feat. Musical Isotope SEKAI & KAFU)
type: MusicAlbum
date published: 2024-06-06

wanted to live more (feat. KAFU)
type: MusicAlbum
date published: 2024-06-06

ただ愛されたかった (feat. 可不)
type: MusicAlbum
date published: 2024-06-06

broken (feat. KAFU)
type: MusicAlbum
date published: 2024-06-06

broken (feat. 可不)
type: MusicAlbum
date published: 2024-06-06

もっと生きたかったよね (feat. 可不)
type: MusicAlbum
date published: 2024-06-06

unify the whole country (feat. KAFU)
type: MusicAlbum
date published: 2024-06-06

until it reaches zero (feat. KAFU & HATSUNE MIKU)
type: MusicAlbum
date published: 2024-06-06

ぜろになるまで (feat. 可不 & 初音ミク)
type: MusicAlbum
date published: 2024-06-06

What is happiness (feat. KAFU)
type: MusicAlbum
date published: 2024-06-06

I just wanted to be loved (feat. KAFU)
type: MusicAlbum
date published: 2024-06-06

幸せとは (feat. 可不)
type: MusicAlbum
date published: 2024-06-06

彼方、飛行機雲まで (feat. 音楽的同位体 星界 & 可不)
type: MusicAlbum
date published: 2024-06-06

いかないで。 (feat. 可不)
type: MusicAlbum
date published: 2024-07-05

Do not leave me alone (feat. KAFU)
type: MusicAlbum
date published: 2024-07-05

starry sky and isotopes (feat. KAFU & Musical Isotope SEKAI)
type: MusicAlbum
date published: 2024-07-12

星空と同位体 (feat. 可不 & 音楽的同位体 星界)
type: MusicAlbum
date published: 2024-07-12

A song for the future
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date published: 2024-08-02

未来へ贈る唄
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date published: 2024-08-02

Torikago (feat. 音楽的同位体 星界)
type: MusicAlbum
date published: 2024-08-15

Torikago (feat. Musical Isotope SEKAI)
type: MusicAlbum
date published: 2024-08-15

ねむれないよる (feat. 可不)
type: MusicAlbum
date published: 2024-09-13

sleepless night (feat. KAFU)
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date published: 2024-09-13

swim to the moon (feat. KAFU)
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date published: 2024-09-26

月に泳ぐ (feat. 可不)
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date published: 2024-09-26

blank (feat. KAFU)
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date published: 2024-10-10

くうはく (feat. 可不)
type: MusicAlbum
date published: 2024-10-10

今日、世界が終わるのでした。 (feat. 可不)
type: MusicAlbum
date published: 2024-10-23

The world would end today. (feat. KAFU)
type: MusicAlbum
date published: 2024-10-23

If there were words of love (feat. KAFU)
type: MusicAlbum
date published: 2024-11-01

好きの言葉があったなら (feat. 可不)
type: MusicAlbum
date published: 2024-11-01

時空哀歌 (feat. 可不)
type: MusicAlbum
date published: 2024-11-09

space-time dirge (feat. KAFU)
type: MusicAlbum
date published: 2024-11-09

eternal summer girl (feat. KAFU)
type: MusicAlbum
date published: 2024-11-17

永遠の夏少女 (feat. 可不)
type: MusicAlbum
date published: 2024-11-17

love heart rate (feat. KAFU)
type: MusicAlbum
date published: 2024-12-14

愛の心拍数 (feat. 可不)
type: MusicAlbum
date published: 2024-12-14

きえたいよるに (feat. 可不)
type: MusicAlbum
date published: 2024-12-20

In the night I want to disappear (feat. KAFU)
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date published: 2024-12-20

ほんね
type: MusicAlbum
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track: もっと生きたかったよね (feat. 可不)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:53:57Z
  audio: もっと生きたかったよね (feat. 可不)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T12:14:37Z
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true feelings
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Naimonosagashi (feat. KAFU)
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ないものさがし (feat. 可不)
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生きてしまってごめんなさい (feat. 可不)
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Dear Body, Dear Life (feat. KASANE TETO)
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愛しき体、愛しき命 (feat. 重音テト)
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走れアリス
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Run Alice
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サンキューでっす！ (feat. 初音ミク)
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たったひとつ (feat. 可不)
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Just one (feat. KAFU)
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Crossroads (feat. KAFU)
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ワカレミチ (feat. 可不)
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「慟哭、自ら旅立った君へ。」 (feat. 可不)
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Blue Bird (feat. KAFU)
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アオノトリ (feat. 可不)
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What's in my heart (feat. KAFU)
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date published: 2025-07-22

心にあるもの (feat. 可不)
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Poisonous Fruit (feat. KAFU)
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毒樹ノ果実 (feat. 可不)
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date published: 2025-07-24

線香花火と風になった君 (feat. 可不)
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You, Who Became Sparklers and the Wind (feat. KAFU)
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「未だに、あの夏を。」 (feat. 可不)
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えんじぇる (feat. 初音ミク & 可不)
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"Dear God on Summer Vacation" (feat. KAFU)
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「拝啓、夏休み中の神様へ。」 (feat. 可不)
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"I'm here." (feat. KAFU)
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『ここにいるから。』 (feat. 可不)
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レイニーダンス (feat. 可不)
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Rainy Dance (feat. KAFU)
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To Me X Years Ago (feat. KAFU)
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date published: 2025-11-10

X年前の私へ (feat. 可不)
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