ZUGA
type: MusicGroup
genre: japanese indie
genre: shibuya-kei
popularity: 16
followers: 335
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65c93fc6cff5dce9d0cd4ed8f4f41b370e77d817a57dcce2ad0ebb0b5b0cdd39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c38c6e96-e1fe-4a67-ad27-27025cccecb4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c38c6e96-e1fe-4a67-ad27-27025cccecb4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c38c6e96-e1fe-4a67-ad27-27025cccecb4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 0x65c93fc6cff5dce9d0cd4ed8f4f41b370e77d817a57dcce2ad0ebb0b5b0cdd39. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c38c6e96-e1fe-4a67-ad27-27025cccecb4.json and https://artists.proofprofile.net/proofs/artist/c38c6e96-e1fe-4a67-ad27-27025cccecb4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T10:33:29Z
album: 風の中
  type: MusicAlbum
  date published: 2018-10-22
album: 迷宮ネビュラ
  type: MusicAlbum
  date published: 2021-08-28
album: ブリガンザマリアンナ
  type: MusicAlbum
  date published: 2021-09-01
album: 学園祭の頃
  type: MusicAlbum
  date published: 2021-10-05
album: 駄菓子屋と初恋
  type: MusicAlbum
  date published: 2022-01-30
album: おいしい肉じゃがのつくり方
  type: MusicAlbum
  date published: 2022-02-05
album: わたしのドクター
  type: MusicAlbum
  date published: 2022-03-05
album: ようこそエドガー
  type: MusicAlbum
  date published: 2022-04-27
album: ストレンジ・チャーミング
  type: MusicAlbum
  date published: 2022-07-02
album: 恋のラブ&ヘイト
  type: MusicAlbum
  date published: 2022-09-17
album: 恋する歌声
  type: MusicAlbum
  date published: 2023-01-12
album: 青いグミキャンディー
  type: MusicAlbum
  date published: 2023-02-24
  track: 青いグミキャンディー
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187361
    explicit: false
    by artist: ZUGA
    in album: 青いグミキャンディー
      type: MusicAlbum
      date published: 2023-02-24
    genre: japanese indie
    genre: shibuya-kei
    isrc code: JP92N2308653
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:30:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xad67a1c568098f8315ec0bceff514ff5d3eb07f0a3ad00938f2386c3b28cb66f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2308653
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:32:59Z
    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 0xad67a1c568098f8315ec0bceff514ff5d3eb07f0a3ad00938f2386c3b28cb66f. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:32:59Z), 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/JP92N2308653.
      date published: 2026-07-15T14:32:59Z
    audio: 青いグミキャンディー
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.064
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.555
      additional property: Energy
        type: PropertyValue
        value: 0.56
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.571
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.136
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.365
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.66
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 未来都市で君と暮らしている
  type: MusicAlbum
  date published: 2023-02-25
album: 勇敢な彼女のゴーカート
  type: MusicAlbum
  date published: 2023-03-01
album: まだらのクモ
  type: MusicAlbum
  date published: 2023-03-01
album: ボサノヴァ冷蔵庫
  type: MusicAlbum
  date published: 2023-03-02
album: はーとの秘密
  type: MusicAlbum
  date published: 2023-03-03
album: 朝焼けのノラ
  type: MusicAlbum
  date published: 2023-03-04
album: カカオ100％
  type: MusicAlbum
  date published: 2023-03-21
album: まわれ金平糖
  type: MusicAlbum
  date published: 2023-04-07
album: 学園祭の頃
  type: MusicAlbum
  date published: 2023-04-12
album: 車輪
  type: MusicAlbum
  date published: 2023-04-16
album: 今夜、逢いに行く（音楽と言葉の中へ）
  type: MusicAlbum
  date published: 2023-04-22
album: 風の中
  type: MusicAlbum
  date published: 2023-05-04
album: はじめまして
  type: MusicAlbum
  date published: 2023-05-17
album: 雨のマンボ
  type: MusicAlbum
  date published: 2023-06-22
album: 鶯鳴く朝 犬も吠える
album: 恋するラジカセ
album: 赤い花
album: 金魚のサリー
album: アト秒の魔法
album: 自動人形
album: アルマジロのうた
album: 恋のラブ＆ヘイト (2024 Remaster)
album: やわらかに叫ぶのだ
album: マルベリー・ナイト
album: stardust
album: Poison Mommy
album: 太陽とカゲボウシ
album: メリークリスマスは白い呪文
album: レモネード
album: 熱源
album: 追憶

鶯鳴く朝 犬も吠える
type: MusicAlbum
date published: 2023-06-30

恋するラジカセ
type: MusicAlbum
date published: 2023-08-06

赤い花
type: MusicAlbum
date published: 2023-08-27
track: 赤い花
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199944
  explicit: false
  by artist: ZUGA
  in album: 赤い花
    type: MusicAlbum
    date published: 2023-08-27
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2356646
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T14:22:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a212c5ff227bb5a3d16c8969c18798d749816ff19bb2c692e59edb7c608e132
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2356646
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0x7a212c5ff227bb5a3d16c8969c18798d749816ff19bb2c692e59edb7c608e132. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JP92N2356646.
    date published: 2026-07-05T01:43:49Z
  audio: 赤い花
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.612
    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: 0.529
    additional property: Energy
      type: PropertyValue
      value: 0.698
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.318
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.766
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.878
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.805
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

金魚のサリー
type: MusicAlbum
date published: 2023-11-06

アト秒の魔法
type: MusicAlbum
date published: 2024-01-27

自動人形
type: MusicAlbum
date published: 2024-02-16

アルマジロのうた
type: MusicAlbum
date published: 2024-02-16

恋のラブ＆ヘイト (2024 Remaster)
type: MusicAlbum
date published: 2024-03-20
track: 恋のラブ＆ヘイト - 2024 Remaster
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235700
  explicit: false
  by artist: ZUGA
  in album: 恋のラブ＆ヘイト (2024 Remaster)
    type: MusicAlbum
    date published: 2024-03-20
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2411098
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T05:01:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66be4add8c622ed55bf91e3be8c36aa36a47076be295406813fc4dee88a647c9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959100
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959100
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2411098
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T08:02:41Z
  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 0x66be4add8c622ed55bf91e3be8c36aa36a47076be295406813fc4dee88a647c9. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T08:02:41Z), 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/JP92N2411098.
    date published: 2026-07-22T08:02:41Z
  audio: 恋のラブ＆ヘイト - 2024 Remaster
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 149.975
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.58
    additional property: Energy
      type: PropertyValue
      value: 0.799
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.121
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.237
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.924
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.687
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

やわらかに叫ぶのだ
type: MusicAlbum
date published: 2024-05-11
track: やわらかに叫ぶのだ
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166893
  explicit: false
  by artist: ZUGA
  in album: やわらかに叫ぶのだ
    type: MusicAlbum
    date published: 2024-05-11
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2421393
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:35:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b4297de33f5918e0546c85312d4d043c6748824fc1185426ac8a9b4b13fc563
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958384
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958384
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2421393
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T08:27:02Z
  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 0x7b4297de33f5918e0546c85312d4d043c6748824fc1185426ac8a9b4b13fc563. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/JP92N2421393.
    date published: 2026-07-17T08:27:02Z
  audio: やわらかに叫ぶのだ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.992
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.69
    additional property: Energy
      type: PropertyValue
      value: 0.853
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.375
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.372
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.899
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.172
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

マルベリー・ナイト
type: MusicAlbum
date published: 2024-06-29
track: マルベリー・ナイト
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159381
  explicit: false
  by artist: ZUGA
  in album: マルベリー・ナイト
    type: MusicAlbum
    date published: 2024-06-29
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2429679
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T17:35:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb5428462580776f96deff2b2a4748c5d552c0c0112860572dfbf9df6d3971fa5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2429679
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T02:06:47Z
  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 0xb5428462580776f96deff2b2a4748c5d552c0c0112860572dfbf9df6d3971fa5. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JP92N2429679.
    date published: 2026-07-04T02:06:47Z
  audio: マルベリー・ナイト
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.01
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.484
    additional property: Energy
      type: PropertyValue
      value: 0.719
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.461
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.127
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.707
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.177
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

stardust
type: MusicAlbum
date published: 2024-08-09

Poison Mommy
type: MusicAlbum
date published: 2024-09-14

太陽とカゲボウシ
type: MusicAlbum
date published: 2024-11-16
track: 太陽とカゲボウシ
  type: MusicRecording
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  in album: 太陽とカゲボウシ
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    date published: 2024-11-16
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2452398
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2452398
  additional property: OTSTimestamp
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    value: 2026-07-16T00:24:17Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec3f9a8dc845a3b8126b50984e072a3b4235ca08bdcdd7c554810678a87d91b. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:24:17Z), 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/JP92N2452398.
    date published: 2026-07-16T00:24:17Z
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.469
    additional property: Energy
      type: PropertyValue
      value: 0.683
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.812
    additional property: Loudness (dB)
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      value: -4.923
    additional property: Key Name
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メリークリスマスは白い呪文
type: MusicAlbum
date published: 2024-11-23

レモネード
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date published: 2025-03-06
track: レモネード
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158429
  explicit: false
  by artist: ZUGA
  in album: レモネード
    type: MusicAlbum
    date published: 2025-03-06
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2507439
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    value: 2026-07-15T11:27:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x910a251ae6b46dbb11d6159a9c87a5db2706b8b05550faaf2633e7d2ad15aa7e
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    type: PropertyValue
    value: 958157
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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/JP92N2507439
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T14:29:31Z
  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 0x910a251ae6b46dbb11d6159a9c87a5db2706b8b05550faaf2633e7d2ad15aa7e. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:29:31Z), 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/JP92N2507439.
    date published: 2026-07-15T14:29:31Z
  audio: レモネード
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.702
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.377
    additional property: Energy
      type: PropertyValue
      value: 0.747
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.177
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.767
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.866
    additional property: Key Name
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      value: A
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熱源
type: MusicAlbum
date published: 2025-06-07
track: 熱源
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191019
  explicit: false
  by artist: ZUGA
  in album: 熱源
    type: MusicAlbum
    date published: 2025-06-07
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2523891
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T00:47:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x06eda2e4ae2711e15c552056df97b5ef8b636fe2d708216ad9ac052db8055228
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958633
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958633
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2523891
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T00:54:50Z
  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 0x06eda2e4ae2711e15c552056df97b5ef8b636fe2d708216ad9ac052db8055228. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/JP92N2523891.
    date published: 2026-07-19T00:54:50Z
  audio: 熱源
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.538
    additional property: Energy
      type: PropertyValue
      value: 0.836
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.942
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.628
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

追憶
type: MusicAlbum
date published: 2025-09-12
track: 追憶
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199006
  explicit: false
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  in album: 追憶
    type: MusicAlbum
    date published: 2025-09-12
  genre: japanese indie
  genre: shibuya-kei
  isrc code: JP92N2541143
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T07:26:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa16eb94159a80bcb50913d5d5fc0372b9fb9ab05d40919280455e019be79b2dd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2541143
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xa16eb94159a80bcb50913d5d5fc0372b9fb9ab05d40919280455e019be79b2dd. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JP92N2541143.
    date published: 2026-07-05T10:01:46Z
  audio: 追憶
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.674
    additional property: Energy
      type: PropertyValue
      value: 0.415
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.531
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.011
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major