Billy Ban Ban
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 36
followers: 23610
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66ea6c984e93cb4a552c8965882f87b78459822001d5eb2da8e829e454807f93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83ba0dce-cc4d-4180-aa29-bb1a049991cb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83ba0dce-cc4d-4180-aa29-bb1a049991cb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/83ba0dce-cc4d-4180-aa29-bb1a049991cb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x66ea6c984e93cb4a552c8965882f87b78459822001d5eb2da8e829e454807f93","name":"Billy Ban Ban","registered_at":"2026-06-12T03:22:09Z","symbol":"NIM0171602","token_address":"0xce850a2fc317b3ff13bde70246c584d0ed1ad42b","type":"artist","uuid":"83ba0dce-cc4d-4180-aa29-bb1a049991cb"}
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 0x66ea6c984e93cb4a552c8965882f87b78459822001d5eb2da8e829e454807f93. 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/83ba0dce-cc4d-4180-aa29-bb1a049991cb.json and https://artists.proofprofile.net/proofs/artist/83ba0dce-cc4d-4180-aa29-bb1a049991cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x66ea6c984e93cb4a552c8965882f87b78459822001d5eb2da8e829e454807f93","name":"Billy Ban Ban","registered_at":"2026-06-12T03:22:09Z","symbol":"NIM0171602","token_address":"0xce850a2fc317b3ff13bde70246c584d0ed1ad42b","type":"artist","uuid":"83ba0dce-cc4d-4180-aa29-bb1a049991cb"}
album: ビリー・バンバンのえるぴい～ミドリーヌ～
  type: MusicAlbum
  date published: 1969-10-01
album: 悲しみの中に/さよならの花
  type: MusicAlbum
  date published: 1970-02-01
album: 白い風とすずらん/海
  type: MusicAlbum
  date published: 1970-06-01
album: ドアを開けたら/茶色い写真
  type: MusicAlbum
  date published: 1970-06-01
album: ふたり/真夏の砂
  type: MusicAlbum
  date published: 1970-06-01
album: ビリー・バンバン・デラックス<明日に架ける橋>
  type: MusicAlbum
  date published: 1970-12-01
album: ヴァンタンの子守唄/はたちのロマン
  type: MusicAlbum
  date published: 1971-04-01
album: ゴールデン・フォーク・ジャンボリー
  type: MusicAlbum
  date published: 1971-04-01
album: ビリー・バンバン
  type: MusicAlbum
  date published: 1972-07-10
  track: れんげ草
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195120
    explicit: false
    by artist: Billy Ban Ban
    in album: ビリー・バンバン
      type: MusicAlbum
      date published: 1972-07-10
    genre: enka
    genre: kayokyoku
    isrc code: JPAP09710203
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T23:44:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd95b92706a1ea6b38e13b9d60afbb1b67bbcc6a2b0f4413b68172245d9f2e22b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAP09710203
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T00:05:10Z
    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 0xd95b92706a1ea6b38e13b9d60afbb1b67bbcc6a2b0f4413b68172245d9f2e22b. Chain 2 (Bitcoin): anchored in block 957776 (2026-07-13T00:05:10Z), 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/JPAP09710203.
      date published: 2026-07-13T00:05:10Z
    audio: れんげ草
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.417
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.415
      additional property: Energy
        type: PropertyValue
        value: 0.337
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.436
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.09
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.31
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.836
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: 白いブランコ
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227960
    explicit: false
    by artist: Billy Ban Ban
    in album: ビリー・バンバン
      type: MusicAlbum
      date published: 1972-07-10
    genre: enka
    genre: kayokyoku
    isrc code: JPAP09710201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T23:31:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6118ece28231e8506381380da0441ef23ff4a53b407c4b61b33bf6d7319c5dd7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958468
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958468
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAP09710201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:27:51Z
    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 0x6118ece28231e8506381380da0441ef23ff4a53b407c4b61b33bf6d7319c5dd7. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/JPAP09710201.
      date published: 2026-07-18T00:27:51Z
    audio: 白いブランコ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.578
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Billy BanBan
album: ビリー・バンバン・セカンド・アルバム
album: Billy BanBan 2
album: ビリー・バンバン・リサイタル
album: Billy BanBan Recital
album: Billy BanBan Vol. 3
album: ビリー・バンバン Vol.3
album: Billy BanBan Vol. 4
album: ビリー・バンバン Vol.4
album: Song for You
album: SONG FOR YOU
album: さよならをするために(ニュー・バージョン)
album: 季節は回転木馬のように
album: 遅すぎた季節
album: 君の詩
album: 春夏秋冬
album: また君に恋してる
album: ラヂオのうた
album: セカンド・プロポーズ
album: ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
album: また君に恋してる SPECIAL EDITION
album: 君が幸せでありますように
album: ずっとあなたが好きでした
album: 愛という名の、自由と不自由
album: さよなら涙
album: オールタイムベスト 45th Anniversary ～to the future～
album: ふたり物語
album: ようこそジャパリパークへ
album: 冒険でしょでしょ？
album: ココロありがとう
album: 決定版 ビリー・バンバン
album: いつか虹の向こうへ

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.438

Energy
type: PropertyValue
value: 0.367

Speechiness
type: PropertyValue
value: 0.029

Acousticness
type: PropertyValue
value: 0.545

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.339

Valence (Positivity)
type: PropertyValue
value: 0.37

Loudness (dB)
type: PropertyValue
value: -9.349

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Billy BanBan
type: MusicAlbum
date published: 1972-07-10
track: Sayonara O Surutameni
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184213
  explicit: false
  by artist: Billy Ban Ban
  in album: Billy BanBan
    type: MusicAlbum
    date published: 1972-07-10
  genre: enka
  genre: kayokyoku
  isrc code: JPAP09710202
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T14:20:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x59a37d7ea4d146ac2b80a59460a09feb1ff7b66f4e9771be09f07f27222a96e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAP09710202
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0x59a37d7ea4d146ac2b80a59460a09feb1ff7b66f4e9771be09f07f27222a96e3. 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/JPAP09710202.
    date published: 2026-07-05T19:27:56Z
  audio: Sayonara O Surutameni
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.963
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.281
    additional property: Energy
      type: PropertyValue
      value: 0.594
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.866
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.393
    additional property: Liveness
      type: PropertyValue
      value: 0.232
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.355
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.16
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ビリー・バンバン・セカンド・アルバム
type: MusicAlbum
date published: 1972-12-10

Billy BanBan 2
type: MusicAlbum
date published: 1972-12-10

ビリー・バンバン・リサイタル
type: MusicAlbum
date published: 1973-08-25

Billy BanBan Recital
type: MusicAlbum
date published: 1973-08-25

Billy BanBan Vol. 3
type: MusicAlbum
date published: 1973-12-10

ビリー・バンバン Vol.3
type: MusicAlbum
date published: 1973-12-10

Billy BanBan Vol. 4
type: MusicAlbum
date published: 1974-06-25

ビリー・バンバン Vol.4
type: MusicAlbum
date published: 1974-06-25

Song for You
type: MusicAlbum
date published: 1974-12-25

SONG FOR YOU
type: MusicAlbum
date published: 1974-12-25

さよならをするために(ニュー・バージョン)
type: MusicAlbum
date published: 1993-09-22

季節は回転木馬のように
type: MusicAlbum
date published: 1993-12-01

季節は回転木馬のように
type: MusicAlbum
date published: 1994-04-21

遅すぎた季節
type: MusicAlbum
date published: 1994-10-21

ビリー・バンバン
type: MusicAlbum
date published: 2000-10-21
track: れんげ草
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194733
  explicit: false
  by artist: Billy Ban Ban
  in album: ビリー・バンバン
    type: MusicAlbum
    date published: 2000-10-21
  genre: enka
  genre: kayokyoku
  isrc code: JPAP09710203
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd95b92706a1ea6b38e13b9d60afbb1b67bbcc6a2b0f4413b68172245d9f2e22b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAP09710203
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  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 0xd95b92706a1ea6b38e13b9d60afbb1b67bbcc6a2b0f4413b68172245d9f2e22b. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/JPAP09710203.
    date published: 2026-07-18T12:14:37Z
  audio: れんげ草
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.968
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.275
    additional property: Energy
      type: PropertyValue
      value: 0.28
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.475
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.286
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.439
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 目覚めた時には晴れていた
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217826
  explicit: false
  by artist: Billy Ban Ban
  in album: ビリー・バンバン
    type: MusicAlbum
    date published: 2000-10-21
  genre: enka
  genre: kayokyoku
  isrc code: JPAP09710205
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:43:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe12d310196647e841118eaa10fca1dd567a7d9ace3d6ca1f2dbcdaec5325e4aa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAP09710205
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  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 0xe12d310196647e841118eaa10fca1dd567a7d9ace3d6ca1f2dbcdaec5325e4aa. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPAP09710205.
    date published: 2026-07-05T04:47:21Z
  audio: 目覚めた時には晴れていた
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.098
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.483
    additional property: Energy
      type: PropertyValue
      value: 0.466
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.901
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.02
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.423
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.543
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

君の詩
type: MusicAlbum
date published: 2005-10-31

春夏秋冬
type: MusicAlbum
date published: 2006-02-15
track: 君の詩
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279840
  explicit: false
  by artist: Billy Ban Ban
  in album: 春夏秋冬
    type: MusicAlbum
    date published: 2006-02-15
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00520050
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:01:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27d733999f10c05070b97b152d1f9ff178aef5ecb231efb9b1b9ad7f2b53adb2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00520050
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0x27d733999f10c05070b97b152d1f9ff178aef5ecb231efb9b1b9ad7f2b53adb2. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPPO00520050.
    date published: 2026-07-03T23:28:02Z
  audio: 君の詩
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.988
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.528
    additional property: Energy
      type: PropertyValue
      value: 0.371
    additional property: Speechiness
      type: PropertyValue
      value: 0.024
    additional property: Acousticness
      type: PropertyValue
      value: 0.28
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.149
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.308
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 春夏秋冬
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213800
  explicit: false
  by artist: Billy Ban Ban
  in album: 春夏秋冬
    type: MusicAlbum
    date published: 2006-02-15
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00531180
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T16:15:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd84fe5e646ceb2b9547fd6c9a07f1e3be92b225566c2080b33fb8a782d781311
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958908
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958908
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00531180
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T19:17:01Z
  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 0xd84fe5e646ceb2b9547fd6c9a07f1e3be92b225566c2080b33fb8a782d781311. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T19:17:01Z), 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/JPPO00531180.
    date published: 2026-07-20T19:17:01Z
  audio: 春夏秋冬
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.964
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.595
    additional property: Energy
      type: PropertyValue
      value: 0.422
    additional property: Speechiness
      type: PropertyValue
      value: 0.024
    additional property: Acousticness
      type: PropertyValue
      value: 0.538
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.258
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.382
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.898
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

また君に恋してる
type: MusicAlbum
date published: 2007-11-07
track: また君に恋してる
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238133
  explicit: false
  by artist: Billy Ban Ban
  in album: また君に恋してる
    type: MusicAlbum
    date published: 2007-11-07
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00740240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T13:24:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaacf1a849be13225cd5f73984a45aa54a6b36c7a4222ee8257486b296ea7f144
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00740240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T14:19:48Z
  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 0xaacf1a849be13225cd5f73984a45aa54a6b36c7a4222ee8257486b296ea7f144. Chain 2 (Bitcoin): anchored in block 957576 (2026-07-11T14:19:48Z), 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/JPPO00740240.
    date published: 2026-07-11T14:19:48Z
  audio: また君に恋してる
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.992
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.505
    additional property: Energy
      type: PropertyValue
      value: 0.497
    additional property: Speechiness
      type: PropertyValue
      value: 0.024
    additional property: Acousticness
      type: PropertyValue
      value: 0.036
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.278
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.32
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.394
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ラヂオのうた
type: MusicAlbum
date published: 2008-09-03

セカンド・プロポーズ
type: MusicAlbum
date published: 2009-01-14

ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
type: MusicAlbum
date published: 2010-01-01
track: また君に恋してる
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237160
  explicit: false
  by artist: Billy Ban Ban
  in album: ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
    type: MusicAlbum
    date published: 2010-01-01
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00740240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaacf1a849be13225cd5f73984a45aa54a6b36c7a4222ee8257486b296ea7f144
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00740240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T16:22:28Z
  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 0xaacf1a849be13225cd5f73984a45aa54a6b36c7a4222ee8257486b296ea7f144. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/JPPO00740240.
    date published: 2026-07-18T16:22:28Z
  audio: また君に恋してる
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.979
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.492
    additional property: Energy
      type: PropertyValue
      value: 0.449
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.048
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.18
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.29
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.985
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 終わりなき夢
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275786
  explicit: false
  by artist: Billy Ban Ban
  in album: ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
    type: MusicAlbum
    date published: 2010-01-01
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00883240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T09:43:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b571d862e744778896fb189a41e671af2b9d6af9cdeb14e532e976ad955cd14
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958996
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958996
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00883240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T12:44:34Z
  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 0x7b571d862e744778896fb189a41e671af2b9d6af9cdeb14e532e976ad955cd14. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T12:44:34Z), 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/JPPO00883240.
    date published: 2026-07-21T12:44:34Z
  audio: 終わりなき夢
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.011
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.627
    additional property: Energy
      type: PropertyValue
      value: 0.474
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.216
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.345
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.339
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.645
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 砂漠の薔薇 Rose de sable
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256933
  explicit: false
  by artist: Billy Ban Ban
  in album: ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
    type: MusicAlbum
    date published: 2010-01-01
  genre: enka
  genre: kayokyoku
  isrc code: JPPO00424280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T17:41:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c1cb690660ace4e255815b0d9ff965022399ffad1e8806b3be00671d432e553
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958918
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958918
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 砂漠の薔薇 Rose de sable
track: 時のしずく

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00424280

OTSTimestamp
type: PropertyValue
value: 2026-07-20T17:58:04Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1cb690660ace4e255815b0d9ff965022399ffad1e8806b3be00671d432e553. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/JPPO00424280.
date published: 2026-07-20T17:58:04Z

砂漠の薔薇 Rose de sable
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 76.237
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.426
additional property: Energy
  type: PropertyValue
  value: 0.364
additional property: Speechiness
  type: PropertyValue
  value: 0.026
additional property: Acousticness
  type: PropertyValue
  value: 0.679
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.125
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.319
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.809
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

時のしずく
type: MusicRecording
duration: PT4M1S
duration ms: 241146
explicit: false
by artist: Billy Ban Ban
in album: ゴールデン☆ベスト ビリー・バンバン ～また君に恋してる～
  type: MusicAlbum
  date published: 2010-01-01
genre: enka
genre: kayokyoku
isrc code: JPPO00942820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T01:36:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ca0518f3cf139e57dafab22d54cc4f47be179ddc0099f4b285f12eb7f1c9800
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00942820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:40:00Z
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 0x7ca0518f3cf139e57dafab22d54cc4f47be179ddc0099f4b285f12eb7f1c9800. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T04:40:00Z), 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/JPPO00942820.
  date published: 2026-07-17T04:40:00Z
audio: 時のしずく
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.949
  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: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.308
  additional property: Speechiness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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また君に恋してる SPECIAL EDITION
type: MusicAlbum
date published: 2010-06-30

君が幸せでありますように
type: MusicAlbum
date published: 2011-01-01

ずっとあなたが好きでした
type: MusicAlbum
date published: 2011-01-01

愛という名の、自由と不自由
type: MusicAlbum
date published: 2014-10-15

さよなら涙
type: MusicAlbum
date published: 2016-11-02
track: エンドロール
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    date published: 2016-11-02
  genre: enka
  genre: kayokyoku
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ed7093500683a8d88f5bf1cbfa2ba6807a844c881ae2e4d4d3259c28caa96f5. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T13:49:40Z), 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/JPPO01620212.
    date published: 2026-07-21T13:49:40Z
  audio: エンドロール
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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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オールタイムベスト 45th Anniversary ～to the future～
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date published: 2017-10-25
track: 愛は祈りのようだね
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  in album: オールタイムベスト 45th Anniversary ～to the future～
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T19:12:23Z
  audio: 愛は祈りのようだね
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    additional property: Danceability
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track: また君に恋してる
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    date published: 2017-10-25
  genre: enka
  genre: kayokyoku
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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: 2026-07-18T17:28:56Z
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ふたり物語
type: MusicAlbum
date published: 2021-05-26

ようこそジャパリパークへ
type: MusicAlbum
date published: 2021-07-07

冒険でしょでしょ？
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date published: 2021-08-11

ココロありがとう
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date published: 2022-03-02
track: ぼくドラえもん
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    date published: 2022-03-02
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T13:55:21Z
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決定版 ビリー・バンバン
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date published: 2023-12-06

いつか虹の向こうへ
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T18:41:19Z
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