Blue Vintage
type: MusicGroup
genre: j-pop
genre: j-r&b
popularity: 37
followers: 16400
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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 → 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 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 0xdd8d18e9d06eae859507d2a244c305f4f34337a2c2b6f7db9cd7b6fc30380815. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a4311d0-3fc3-43e7-9670-6887c997e0ce.json and https://artists.proofprofile.net/proofs/artist/3a4311d0-3fc3-43e7-9670-6887c997e0ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Once Again
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  date published: 2015-06-17
  track: Once Again
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    duration: PT4M5S
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    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2015-06-17
  track: LIFE
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    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2015-06-17
album: PURPLE
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  date published: 2015-09-23
  track: Wings
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    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2015-09-23
    isrc code: JPP301500435
  track: Good Morning Tokyo
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  track: Once Again
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      date published: 2015-09-23
  track: Empty Room
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    explicit: false
    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2015-09-23
  track: 無気力宣言
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    by artist: Blue Vintage
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      type: MusicAlbum
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      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd49197bf9d784da78ea11bbe5b8df9639f5f440856bdd9f574ae26acc4cc2e7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5BlCnvj9YMfp7E12p6FCvx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5BlCnvj9YMfp7E12p6FCvx.
      date published: 2026-07-02T16:51:38Z
  track: First
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    by artist: Blue Vintage
    in album: PURPLE
      type: MusicAlbum
      date published: 2015-09-23
  track: Funk Favorite
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    by artist: Blue Vintage
    in album: PURPLE
      type: MusicAlbum
      date published: 2015-09-23
    isrc code: JPP301500441
  track: Memory
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    by artist: Blue Vintage
    in album: PURPLE
      type: MusicAlbum
      date published: 2015-09-23
  track: Forever Young
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    in album: PURPLE
      type: MusicAlbum
      date published: 2015-09-23
album: IVORY
  type: MusicAlbum
  date published: 2018-07-04
  track: 渚のハニー
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212842
    explicit: false
    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2018-07-04
  track: 月明かりの下で
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    duration: PT4M30S
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    by artist: Blue Vintage
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      type: MusicAlbum
      date published: 2018-07-04
  track: NO MAN Japanese ver.
  track: Too Much
  track: 名前を呼んで
  track: Lost in Paradise
album: Beautiful Woman
album: BLUE
album: Hey Hey Hey
album: SEDAI WARS
album: GOLD
album: So Old, but Gold
album: Lily
album: Soda!!
album: アルゴリズム
album: Faster
album: Living Large
album: Back to the Basic
album: Gravity
album: Chewing Gum
album: Independence Day
album: Shomonai
album: GREEN
album: Blue Clock
album: Mother Land
album: Hungry?
track: BUCKET LIST

NO MAN Japanese ver.
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explicit: false
by artist: Blue Vintage
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Too Much
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名前を呼んで
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by artist: Blue Vintage
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  type: MusicAlbum
  date published: 2018-07-04

Lost in Paradise
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in album: IVORY
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IVORY
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date published: 2018-07-04
track: 渚のハニー
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track: 月明かりの下で
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    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf26473e0bf1cc39fc39f73503b25c68850436cb23783f67c6ca952b9d708db51. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RF3a3tNw7xJxCrtJXwXbQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4RF3a3tNw7xJxCrtJXwXbQ.
    date published: 2026-07-02T16:51:38Z
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track: NO MAN Japanese ver.
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  by artist: Blue Vintage
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    date published: 2018-07-04
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track: Too Much
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track: 名前を呼んで
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track: Lost in Paradise
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  isrc code: JPJ901805320

Beautiful Woman
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date published: 2019-03-27
track: Beautiful Woman
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    date published: 2019-03-27
track: 春風
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  by artist: Blue Vintage
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    type: MusicAlbum
    date published: 2019-03-27
  isrc code: JPU451910002

Beautiful Woman
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date published: 2019-03-27
track: Beautiful Woman
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    date published: 2019-03-27
  isrc code: JPU451910001
track: 春風
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  duration: PT3M53S
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  in album: Beautiful Woman
    type: MusicAlbum
    date published: 2019-03-27
  isrc code: JPU451910002

BLUE
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date published: 2019-06-19
track: Hey Hey Hey
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    date published: 2019-06-19
track: Mojito
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  duration: PT4M1S
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  by artist: Blue Vintage
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    date published: 2019-06-19
  isrc code: JPU451910035
track: Good Morning Tokyo
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    type: MusicAlbum
    date published: 2019-06-19
  isrc code: JPU451910036
track: La Fiesta
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    type: MusicAlbum
    date published: 2019-06-19
track: Why so serious?
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    date published: 2019-06-19
track: Lazy Boy
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    date published: 2019-06-19
track: Umbrella
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  by artist: Blue Vintage
  in album: BLUE
    type: MusicAlbum
    date published: 2019-06-19
  isrc code: JPU451910040
track: Empty Room
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  by artist: Blue Vintage
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    type: MusicAlbum
    date published: 2019-06-19
  isrc code: JPU451910041
track: Loser
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    date published: 2019-06-19
track: Beautiful Woman
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    date published: 2019-06-19
track: 渚のハニー
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    type: MusicAlbum
    date published: 2019-06-19

BLUE
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track: Hey Hey Hey
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track: Mojito
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track: Good Morning Tokyo
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track: La Fiesta
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track: Why so serious?
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track: Lazy Boy
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track: Umbrella
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track: Empty Room
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track: Loser
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track: Beautiful Woman
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track: 渚のハニー
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Hey Hey Hey
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Hey Hey Hey
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SEDAI WARS
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date published: 2020-01-08
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    date published: 2020-01-08

SEDAI WARS
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GOLD
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track: Hello World
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track: All My Life
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track: So Old, but Gold
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track: L.O.L
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track: Interlude
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track: 96815
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track: I Like This
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track: Down Town
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So Old, but Gold
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Lily
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Soda!!
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アルゴリズム
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アルゴリズム
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Living Large
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Gravity
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Gravity
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Chewing Gum
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Chewing Gum
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Independence Day
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Independence Day
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Shomonai
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Shomonai
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GREEN
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Blue Clock
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Mother Land
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Mother Land
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Hungry?
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