TaNaBaTa
type: MusicGroup
description: thumb|right|Women dressed in yukata at Tanabata thumb|Tanabata festivities in Hiratsuka, Kanagawa in 2023 , also known as the , is a Japanese festival originating from the Chinese Qixi Festival. It ce
popularity: 21
followers: 5227
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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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 → 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c64a797f01eeef0d2489f2e175e63344d202a750213cbcf7bfbe95147e2529. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/984434f0-b273-4ef7-b90e-2999d8a9dbc6.json and https://artists.proofprofile.net/proofs/artist/984434f0-b273-4ef7-b90e-2999d8a9dbc6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: セツナライト
  type: MusicAlbum
  date published: 2008-05-25
  track: Unknown Girl
    type: MusicRecording
    duration: PT3M39S
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    by artist: TaNaBaTa
    in album: セツナライト
      type: MusicAlbum
      date published: 2008-05-25
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99ec570a678b92add7cdfff880b5661a1bf3261cb50153555cc624069c675ef3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562000733.
      date published: 2026-07-03T21:18:05Z
    audio: Unknown Girl
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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album: サクラツナギ
  type: MusicAlbum
  date published: 2009-03-08
album: REFLECT
  type: MusicAlbum
  date published: 2009-12-30
album: REFLECT
  type: MusicAlbum
  date published: 2009-12-30
album: コガネイロファンタスティック
  type: MusicAlbum
  date published: 2010-03-14
album: カナデレイン
  type: MusicAlbum
  date published: 2011-03-13
album: PARALLEL
  type: MusicAlbum
  date published: 2011-12-31
album: PARALLEL
  type: MusicAlbum
  date published: 2011-12-31
album: Star Ocean e.p.
  type: MusicAlbum
  date published: 2012-12-30
album: カズラナデシコ
  type: MusicAlbum
  date published: 2013-05-26
album: TALK TO THE MUSIC
  type: MusicAlbum
  date published: 2013-12-30
album: TALK TO THE MUSIC
  type: MusicAlbum
  date published: 2013-12-30
album: Acoustic Time
  type: MusicAlbum
  date published: 2013-12-30
album: 白い宇宙
  type: MusicAlbum
  date published: 2014-12-29
album: スリーセブン
  type: MusicAlbum
  date published: 2015-05-10
  track: 細い線
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    duration: PT3M9S
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    by artist: TaNaBaTa
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      type: MusicAlbum
      date published: 2015-05-10
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    additional property: OTSTimestamp
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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
    audio: 細い線
  track: ダンスホールでつかまえて
album: スリーセブン -The Second Half-
album: アヤメクリスタル
album: MYSTIC
album: KILLER TUNES
album: ESCAPE
album: 今夜、少女じゃいられない
album: Ato 1cm
album: あと1cm

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd4e06738a6374274a00a2fcdc5d790b1c7ace2d2dd21dc9d99842b24255800. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562000795.
date published: 2026-07-05T19:27:56Z

細い線
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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  value: 0.373
additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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ダンスホールでつかまえて
type: MusicRecording
duration: PT2M48S
duration ms: 168986
explicit: false
by artist: TaNaBaTa
in album: スリーセブン
  type: MusicAlbum
  date published: 2015-05-10
isrc code: JPW562000796
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T13:17:01Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fb3096ee3172afc02e01d1ac925603863896fac96c4d0395e4a51a2bfc7cf2. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562000796.
  date published: 2026-07-18T13:17:01Z
audio: ダンスホールでつかまえて
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.922
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.275
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.425
  additional property: Loudness (dB)
    type: PropertyValue
    value: -2.967
  additional property: Key Name
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スリーセブン -The Second Half-
type: MusicAlbum
date published: 2015-12-30

アヤメクリスタル
type: MusicAlbum
date published: 2016-05-08

MYSTIC
type: MusicAlbum
date published: 2016-12-29

MYSTIC
type: MusicAlbum
date published: 2016-12-29

KILLER TUNES
type: MusicAlbum
date published: 2017-12-29
track: KILLER TUNE
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  duration: PT3M10S
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  by artist: TaNaBaTa
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    type: MusicAlbum
    date published: 2017-12-29
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  additional property: OTSBitcoinBlock
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562000821
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:29:45Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1abbcc4b66f9af570067b8315dea939600245fd45cbb49d66a477be7c80fd8d8. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562000821.
    date published: 2026-07-17T10:29:45Z
  audio: KILLER TUNE
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      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.312
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.115
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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ESCAPE
type: MusicAlbum
date published: 2018-12-30

ESCAPE
type: MusicAlbum
date published: 2018-12-30

今夜、少女じゃいられない
type: MusicAlbum
date published: 2019-12-31
track: 今夜、少女じゃいられない
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  duration: PT2M30S
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  by artist: TaNaBaTa
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    type: MusicAlbum
    date published: 2019-12-31
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122c77ac6c2cb9634875626d92b8ee5a2ad2d381dae91110c4e04b702562104b. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:16:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPW562003687.
    date published: 2026-07-16T02:16:28Z
  audio: 今夜、少女じゃいられない
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      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Key Name
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Ato 1cm
type: MusicAlbum
date published: 2022-01-16

あと1cm
type: MusicAlbum
date published: 2022-01-16