Yusaku Kiyama
type: MusicGroup
genre: j-pop
genre: kayokyoku
popularity: 31
followers: 7933
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf16c9008af5b4749726e20ec37d1838ba52a4597fb89195e22ed831df37d616c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3f2c092f-e5db-4e8d-8438-be4aab7ea28e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3f2c092f-e5db-4e8d-8438-be4aab7ea28e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3f2c092f-e5db-4e8d-8438-be4aab7ea28e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf16c9008af5b4749726e20ec37d1838ba52a4597fb89195e22ed831df37d616c","name":"Yusaku Kiyama","registered_at":"2026-06-11T17:31:15Z","symbol":"NIM0083034","token_address":"0x264dc550578844c6c86ad526a5264a2a4c5033fc","type":"artist","uuid":"3f2c092f-e5db-4e8d-8438-be4aab7ea28e"}
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 → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16c9008af5b4749726e20ec37d1838ba52a4597fb89195e22ed831df37d616c. 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/3f2c092f-e5db-4e8d-8438-be4aab7ea28e.json and https://artists.proofprofile.net/proofs/artist/3f2c092f-e5db-4e8d-8438-be4aab7ea28e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf16c9008af5b4749726e20ec37d1838ba52a4597fb89195e22ed831df37d616c","name":"Yusaku Kiyama","registered_at":"2026-06-11T17:31:15Z","symbol":"NIM0083034","token_address":"0x264dc550578844c6c86ad526a5264a2a4c5033fc","type":"artist","uuid":"3f2c092f-e5db-4e8d-8438-be4aab7ea28e"}
album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
  track: SEASONS
    type: MusicRecording
    duration: PT4M21S
    duration ms: 261573
    explicit: false
    by artist: Ayumi Hamasaki
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB600023301
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T04:30:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc60bdd086c479885a89a963596eecb7eaaed517402a53fd291d01adafe05384c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956302
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6k0Sv7UAXmav6OdVBK9qoB.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6k0Sv7UAXmav6OdVBK9qoB
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc60bdd086c479885a89a963596eecb7eaaed517402a53fd291d01adafe05384c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6k0Sv7UAXmav6OdVBK9qoB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6k0Sv7UAXmav6OdVBK9qoB.
      date published: 2026-07-02T03:30:09Z
  track: 寒い夜だから・・・ - 1994 Version
    type: MusicRecording
    duration: PT5M6S
    duration ms: 306013
    explicit: false
    by artist: TRF
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB609320901
  track: fragile
    type: MusicRecording
    duration: PT4M50S
    duration ms: 290120
    explicit: false
    by artist: Every Little Thing
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB600044301
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-01T14:16:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7f6d4ab68b475c8e97c02e82dfaed3a7a7c0a0a4210209187288de6c31257677
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1iiQ1fXyuGOQwOUid9cefB.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iiQ1fXyuGOQwOUid9cefB
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f6d4ab68b475c8e97c02e82dfaed3a7a7c0a0a4210209187288de6c31257677. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1iiQ1fXyuGOQwOUid9cefB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iiQ1fXyuGOQwOUid9cefB.
      date published: 2026-07-02T03:55:08Z
  track: キミにKISS
    type: MusicRecording
    duration: PT5M39S
    duration ms: 339266
    explicit: false
    by artist: hitomi
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
  track: 亜麻色の髪の乙女
    type: MusicRecording
    duration: PT4M3S
    duration ms: 243306
    explicit: false
    by artist: Hitomi Shimatani
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB600221501
  track: 恋心
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240233
    explicit: false
    by artist: Nanase Aikawa
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB609631901
  track: アネモネ
    type: MusicRecording
    duration: PT4M47S
    duration ms: 287133
    explicit: false
    by artist: MOON CHILD
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB609714701
  track: Around The World
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221840
    explicit: false
    by artist: Monkey Majik
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB600587101
  track: JEWEL SONG
    type: MusicRecording
    duration: PT5M22S
    duration ms: 322506
    explicit: false
    by artist: BoA
    in album: センチメンタルデイズ 〜Limited Collection〜
      type: MusicAlbum
      date published: 2019-12-04
    isrc code: JPB600251201
  track: 好きで、好きで、好きで。
  track: let go
  track: My faith
  track: 柊
  track: home
  track: 恋愛写真
  track: のうぜんかつら - リプライズ
  track: DEPARTURES - RADIO EDIT
album: HOT MiLK (Limited Collection)
album: 贈る歌
album: 木山と木山 ～夢のディナーショー
album: ホーム&ライヴズ
album: F 守りたい君へ
album: Song 4 You
album: 幸せはここに
album: 手紙
album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
album: 家族の愛に包まれて
album: Graduation
album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
track: home
track: 君に贈る歌
track: 手紙～拝啓十五の君へ～
track: YELL
track: 愛は勝つ
track: 花は咲く
track: 正解
track: ぼよよん行進曲
track: はじめの一歩
track: 雨ふり水族館
track: 世界中のこどもたちが
track: にじ
track: ありがとうの花
track: いまがはじまり～おとなから～
track: 誓います
track: 僕は生きてゆく
track: Welcome to 木山
track: 淋しい熱帯魚

好きで、好きで、好きで。
type: MusicRecording
duration: PT4M59S
duration ms: 299493
explicit: false
by artist: Kumi Koda
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04

let go
type: MusicRecording
duration: PT5M58S
duration ms: 358293
explicit: false
by artist: m-flo loves YOSHIKA
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600467501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:19:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a1e0bdb3952ced930128a04d420fb4655510c93df28a3abf791bdf5bc6a572d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5m134MyWAKb73QiCUMiS5o.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5m134MyWAKb73QiCUMiS5o
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6a1e0bdb3952ced930128a04d420fb4655510c93df28a3abf791bdf5bc6a572d","isrc":"JPB600467501","name":"let go","registered_at":"2026-06-04T09:19:28Z","spotify_id":"5m134MyWAKb73QiCUMiS5o","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1e0bdb3952ced930128a04d420fb4655510c93df28a3abf791bdf5bc6a572d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5m134MyWAKb73QiCUMiS5o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5m134MyWAKb73QiCUMiS5o.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x6a1e0bdb3952ced930128a04d420fb4655510c93df28a3abf791bdf5bc6a572d","isrc":"JPB600467501","name":"let go","registered_at":"2026-06-04T09:19:28Z","spotify_id":"5m134MyWAKb73QiCUMiS5o","type":"track"}

My faith
type: MusicRecording
duration: PT5M8S
duration ms: 308333
explicit: false
by artist: day after tomorrow
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04

柊
type: MusicRecording
duration: PT4M31S
duration ms: 271773
explicit: false
by artist: Do As Infinity
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600362701
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:38:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39ffbfda0e8a231fedc1fd3cbc02a9b21f26ac8e97089f4c8f626b22b766b896
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5XiGHUCDs8PCMrgTSB0oiN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XiGHUCDs8PCMrgTSB0oiN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39ffbfda0e8a231fedc1fd3cbc02a9b21f26ac8e97089f4c8f626b22b766b896","isrc":"JPB600362701","name":"柊","registered_at":"2026-06-04T14:38:30Z","spotify_id":"5XiGHUCDs8PCMrgTSB0oiN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ffbfda0e8a231fedc1fd3cbc02a9b21f26ac8e97089f4c8f626b22b766b896. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XiGHUCDs8PCMrgTSB0oiN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XiGHUCDs8PCMrgTSB0oiN.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0x39ffbfda0e8a231fedc1fd3cbc02a9b21f26ac8e97089f4c8f626b22b766b896","isrc":"JPB600362701","name":"柊","registered_at":"2026-06-04T14:38:30Z","spotify_id":"5XiGHUCDs8PCMrgTSB0oiN","type":"track"}

home
type: MusicRecording
duration: PT3M52S
duration ms: 232000
explicit: false
by artist: Yusaku Kiyama
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600765901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:42:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9cb61cded3d1435d2a8d0f16907398d09c00e56c614a13d21b87daa7d1f9902
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0KJPrLoWwmtLlIzXuLNREv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KJPrLoWwmtLlIzXuLNREv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cb61cded3d1435d2a8d0f16907398d09c00e56c614a13d21b87daa7d1f9902. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KJPrLoWwmtLlIzXuLNREv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KJPrLoWwmtLlIzXuLNREv.
  date published: 2026-07-02T03:30:09Z

恋愛写真
type: MusicRecording
duration: PT4M56S
duration ms: 296133
explicit: false
by artist: Ai Otsuka
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600647601

のうぜんかつら - リプライズ
type: MusicRecording
duration: PT3M9S
duration ms: 189786
explicit: false
by artist: Yuko Ando
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600575010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:36:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c89e4e4d2d9a0add1814d6628cb06a6baec21e56ea9d3ed3d8e16837bba5d02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1UoH4VvLD0w5UP2rvFnlwY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UoH4VvLD0w5UP2rvFnlwY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c89e4e4d2d9a0add1814d6628cb06a6baec21e56ea9d3ed3d8e16837bba5d02","isrc":"JPB600575010","name":"のうぜんかつら - リプライズ","registered_at":"2026-06-17T22:36:51Z","spotify_id":"1UoH4VvLD0w5UP2rvFnlwY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c89e4e4d2d9a0add1814d6628cb06a6baec21e56ea9d3ed3d8e16837bba5d02. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UoH4VvLD0w5UP2rvFnlwY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UoH4VvLD0w5UP2rvFnlwY.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x3c89e4e4d2d9a0add1814d6628cb06a6baec21e56ea9d3ed3d8e16837bba5d02","isrc":"JPB600575010","name":"のうぜんかつら - リプライズ","registered_at":"2026-06-17T22:36:51Z","spotify_id":"1UoH4VvLD0w5UP2rvFnlwY","type":"track"}

DEPARTURES - RADIO EDIT
type: MusicRecording
duration: PT5M15S
duration ms: 315000
explicit: false
by artist: globe
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB609620101

HOT MiLK (Limited Collection)
type: MusicAlbum
date published: 2023-02-01
track: 恋音と雨空
  type: MusicRecording
  duration: PT5M17S
  duration ms: 317566
  explicit: false
  by artist: AAA
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB601303818
track: fragile
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292866
  explicit: false
  by artist: Every Little Thing
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB600044301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T14:16:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f6d4ab68b475c8e97c02e82dfaed3a7a7c0a0a4210209187288de6c31257677
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956889
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4aLF2E888h1gW91rovAT0Q.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4aLF2E888h1gW91rovAT0Q
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f6d4ab68b475c8e97c02e82dfaed3a7a7c0a0a4210209187288de6c31257677. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4aLF2E888h1gW91rovAT0Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4aLF2E888h1gW91rovAT0Q.
    date published: 2026-07-06T06:56:49Z
track: にじいろ
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224666
  explicit: false
  by artist: ayaka
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB601401807
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T21:56:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xab1651216bd0c6289b9c524643857bb23e994d211a729993267791d437598c48
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5ztBI8nH86jSBbmIKgnm4O.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ztBI8nH86jSBbmIKgnm4O
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xab1651216bd0c6289b9c524643857bb23e994d211a729993267791d437598c48","isrc":"JPB601401807","name":"にじいろ","registered_at":"2026-06-21T21:56:07Z","spotify_id":"5ztBI8nH86jSBbmIKgnm4O","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1651216bd0c6289b9c524643857bb23e994d211a729993267791d437598c48. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ztBI8nH86jSBbmIKgnm4O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ztBI8nH86jSBbmIKgnm4O.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xab1651216bd0c6289b9c524643857bb23e994d211a729993267791d437598c48","isrc":"JPB601401807","name":"にじいろ","registered_at":"2026-06-21T21:56:07Z","spotify_id":"5ztBI8nH86jSBbmIKgnm4O","type":"track"}
track: if... - THANX!!!!!!! Neo Best of DA PUMP
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220233
  explicit: false
  by artist: DA PUMP
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
track: BOY MEETS GIRL - RADIO ON AIR MIX
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287533
  explicit: false
  by artist: TRF
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
track: Love me tender
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272995
  explicit: false
  by artist: D-LOOP
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB600990013
track: LOVE 2000
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265800
  explicit: false
  by artist: hitomi
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB600027301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T06:57:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x72a56578b41895f2528b9a98450a4bac020bbd66990ba6744f055f085aba11d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/07r9S1YPdALgwzQ4R77UzT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07r9S1YPdALgwzQ4R77UzT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x72a56578b41895f2528b9a98450a4bac020bbd66990ba6744f055f085aba11d9","isrc":"JPB600027301","name":"LOVE 2000","registered_at":"2026-06-04T06:57:19Z","spotify_id":"07r9S1YPdALgwzQ4R77UzT","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a56578b41895f2528b9a98450a4bac020bbd66990ba6744f055f085aba11d9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07r9S1YPdALgwzQ4R77UzT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07r9S1YPdALgwzQ4R77UzT.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x72a56578b41895f2528b9a98450a4bac020bbd66990ba6744f055f085aba11d9","isrc":"JPB600027301","name":"LOVE 2000","registered_at":"2026-06-04T06:57:19Z","spotify_id":"07r9S1YPdALgwzQ4R77UzT","type":"track"}
track: 愛のうた
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289431
  explicit: false
  by artist: Kumi Koda
  in album: HOT MiLK (Limited Collection)
    type: MusicAlbum
    date published: 2023-02-01
  isrc code: JPB600746701
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T05:42:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb1dd4883a2b56d28eaf9838785b2ae10a3ec8b5012eda1ce87f0cc8c90dcacba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: FACES PLACES - STRAIGHT RUN
track: home
track: 恋心
track: プラネタリウム
track: 偶然の確率
track: SEASONS
track: 愛よりも激しく、誰よりも愛しく
track: 一緒に・・・

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957120

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5HH0Y1Mgg2fKbtkbS9J0tA.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HH0Y1Mgg2fKbtkbS9J0tA

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xb1dd4883a2b56d28eaf9838785b2ae10a3ec8b5012eda1ce87f0cc8c90dcacba","isrc":"JPB600746701","name":"愛のうた","registered_at":"2026-06-04T05:42:20Z","spotify_id":"5HH0Y1Mgg2fKbtkbS9J0tA","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1dd4883a2b56d28eaf9838785b2ae10a3ec8b5012eda1ce87f0cc8c90dcacba. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HH0Y1Mgg2fKbtkbS9J0tA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5HH0Y1Mgg2fKbtkbS9J0tA.
date published: 2026-07-08T03:22:41Z
text: {"copyright_id":"0xb1dd4883a2b56d28eaf9838785b2ae10a3ec8b5012eda1ce87f0cc8c90dcacba","isrc":"JPB600746701","name":"愛のうた","registered_at":"2026-06-04T05:42:20Z","spotify_id":"5HH0Y1Mgg2fKbtkbS9J0tA","type":"track"}

FACES PLACES - STRAIGHT RUN
type: MusicRecording
duration: PT6M27S
duration ms: 387866
explicit: false
by artist: globe
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

home
type: MusicRecording
duration: PT3M53S
duration ms: 233335
explicit: false
by artist: Yusaku Kiyama
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

恋心
type: MusicRecording
duration: PT4M1S
duration ms: 241766
explicit: false
by artist: Nanase Aikawa
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

プラネタリウム
type: MusicRecording
duration: PT5M9S
duration ms: 309200
explicit: false
by artist: Ai Otsuka
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01
isrc code: JPB600540201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T13:29:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9b1e4e43366e69c438b4b171cf1028023e8dbb3339c643a2714c17e527d2604
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5WP72VcsQXbQd4U53qwubx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WP72VcsQXbQd4U53qwubx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9b1e4e43366e69c438b4b171cf1028023e8dbb3339c643a2714c17e527d2604","isrc":"JPB600540201","name":"プラネタリウム","registered_at":"2026-06-01T13:29:12Z","spotify_id":"5WP72VcsQXbQd4U53qwubx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9b1e4e43366e69c438b4b171cf1028023e8dbb3339c643a2714c17e527d2604. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WP72VcsQXbQd4U53qwubx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WP72VcsQXbQd4U53qwubx.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0xa9b1e4e43366e69c438b4b171cf1028023e8dbb3339c643a2714c17e527d2604","isrc":"JPB600540201","name":"プラネタリウム","registered_at":"2026-06-01T13:29:12Z","spotify_id":"5WP72VcsQXbQd4U53qwubx","type":"track"}

偶然の確率
type: MusicRecording
duration: PT5M36S
duration ms: 336100
explicit: false
by artist: girl next door
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01
isrc code: JPB600841501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:51:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x673e309231a7ed7831c41e5b1732ab45e08d79f3bfc98186446031a9d9e524dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5LaDgKp0YTBd7AcPb504EV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LaDgKp0YTBd7AcPb504EV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x673e309231a7ed7831c41e5b1732ab45e08d79f3bfc98186446031a9d9e524dc","isrc":"JPB600841501","name":"偶然の確率","registered_at":"2026-06-24T10:51:59Z","spotify_id":"5LaDgKp0YTBd7AcPb504EV","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x673e309231a7ed7831c41e5b1732ab45e08d79f3bfc98186446031a9d9e524dc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LaDgKp0YTBd7AcPb504EV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LaDgKp0YTBd7AcPb504EV.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x673e309231a7ed7831c41e5b1732ab45e08d79f3bfc98186446031a9d9e524dc","isrc":"JPB600841501","name":"偶然の確率","registered_at":"2026-06-24T10:51:59Z","spotify_id":"5LaDgKp0YTBd7AcPb504EV","type":"track"}

SEASONS
type: MusicRecording
duration: PT4M21S
duration ms: 261366
explicit: false
by artist: Ayumi Hamasaki
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

愛よりも激しく、誰よりも愛しく
type: MusicRecording
duration: PT5M8S
duration ms: 308000
explicit: false
by artist: Favorite Blue
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

一緒に・・・
type: MusicRecording
duration: PT5M15S
duration ms: 315566
explicit: false
by artist: MAX
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

贈る歌
type: MusicAlbum
date published: 2024-10-02
track: 君に贈る歌
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284786
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412943
track: 手紙～拝啓十五の君へ～
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308840
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412940
track: YELL
  type: MusicRecording
  duration: PT5M57S
  duration ms: 357933
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412941
track: 愛は勝つ
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229253
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412935
track: 花は咲く
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272826
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412942
track: 正解
  type: MusicRecording
  duration: PT5M59S
  duration ms: 359293
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412944
track: ぼよよん行進曲
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275693
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412939
track: はじめの一歩
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208053
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412932
track: 雨ふり水族館
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162546
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
track: 世界中のこどもたちが
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161146
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412938
track: にじ
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189053
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412936
track: ありがとうの花
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135146
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412937
track: いまがはじまり～おとなから～
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228773
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02014786
track: 誓います
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256400
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02412934
track: 僕は生きてゆく
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218546
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02014726
track: home
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233213
  explicit: false
  by artist: Yusaku Kiyama
  in album: 贈る歌
    type: MusicAlbum
    date published: 2024-10-02
  isrc code: JPKI02313065

木山と木山 ～夢のディナーショー
type: MusicAlbum
date published: 2023-04-26
track: Welcome to 木山
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94293
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPKI02311028
track: 淋しい熱帯魚
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271253
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPKI02311029
track: 愛は勝つ
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229746
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPKI02311030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T20:34:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x597e591549997cb555ac04815023d53028d14597024961a65ca9c9879b8cdaf7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6PjFu0GIChfyntTWXZsHwm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PjFu0GIChfyntTWXZsHwm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x597e591549997cb555ac04815023d53028d14597024961a65ca9c9879b8cdaf7","isrc":"JPKI02311030","name":"愛は勝つ","registered_at":"2026-06-18T20:34:06Z","spotify_id":"6PjFu0GIChfyntTWXZsHwm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x597e591549997cb555ac04815023d53028d14597024961a65ca9c9879b8cdaf7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PjFu0GIChfyntTWXZsHwm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PjFu0GIChfyntTWXZsHwm.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x597e591549997cb555ac04815023d53028d14597024961a65ca9c9879b8cdaf7","isrc":"JPKI02311030","name":"愛は勝つ","registered_at":"2026-06-18T20:34:06Z","spotify_id":"6PjFu0GIChfyntTWXZsHwm","type":"track"}
track: 3年目の浮気
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217160
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPKI02311031
track: 幸せの隠し味
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263840
  explicit: false
  by artist: Mr.シャチホコ
  by artist: Yusaku Kiyama
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: home
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236773
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
  isrc code: JPKI02311034
track: Welcome to 木山 (インストゥルメンタル)
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96853
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: 淋しい熱帯魚 (メインボーカル抜き)
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271253
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: 愛は勝つ (メインボーカル抜き)
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229746
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: 3年目の浮気 (女性ボーカル抜き)
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216160
  explicit: false
  by artist: Yusaku Kiyama
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: 3年目の浮気 (男性ボーカル抜き)
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217160
  explicit: false
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: 幸せの隠し味 (メインボーカル抜き)
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263840
  explicit: false
  by artist: Mr.シャチホコ
  by artist: Yusaku Kiyama
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26
track: home (メインボーカル抜き)
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233213
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Mr.シャチホコ
  in album: 木山と木山 ～夢のディナーショー
    type: MusicAlbum
    date published: 2023-04-26

ホーム&ライヴズ
type: MusicAlbum
date published: 2021-03-10
track: home
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267655
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110135
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T03:22:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4a7fe2d7094e6b25e19f72cf45e907078808806a4544da887f3d876612652508
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1pDpDD6dwKrRhhoK8HLMA2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pDpDD6dwKrRhhoK8HLMA2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a7fe2d7094e6b25e19f72cf45e907078808806a4544da887f3d876612652508. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pDpDD6dwKrRhhoK8HLMA2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pDpDD6dwKrRhhoK8HLMA2.
    date published: 2026-06-13T15:41:10Z
track: 青春の影
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257361
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110164
track: PIECE OF MY WISH
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341082
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110165
track: 星影のエール
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201894
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110166
track: やつらの足音のバラード
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212694
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
track: WELCOME HOME
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216107
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
track: 僕が僕であるために
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297067
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110169
track: 聖なる人
  type: MusicRecording
  duration: PT5M56S
  duration ms: 356414
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
track: いのちの理由
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265241
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110106
track: ああ人生に涙あり
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253987
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110171
track: みちくさ
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194347
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
track: 生きて
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281347
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
track: My Way
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292347
  explicit: false
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110173
track: home(Acappella ver.)
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234494
  explicit: false
  by artist: 財部亮治
  by artist: 坪田俊一
  by artist: とおるす
  by artist: しらスタ
  by artist: 長谷川雅洋
  by artist: Zuma (Nijiirozamurai)
  by artist: るーか
  by artist: Yusaku Kiyama
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10
  isrc code: JPKI02110163
track: home (Instrumental)
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265374
  explicit: false
  by artist: TSUKEMEN
  in album: ホーム&ライヴズ
    type: MusicAlbum
    date published: 2021-03-10

F 守りたい君へ
type: MusicAlbum
date published: 2016-03-02
track: 旅立ち ～home 2016～
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309213
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613605
track: 思いがかさなるその前に・・・
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309480
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T08:29:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x31cabc23dead3fc678ad995cba9bc4dd8aab500f4afb9216443fd6256997e923
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5L5jOlCu1fAZKBMYdGSGiM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5L5jOlCu1fAZKBMYdGSGiM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x31cabc23dead3fc678ad995cba9bc4dd8aab500f4afb9216443fd6256997e923","isrc":"JPPO01613606","name":"思いがかさなるその前に・・・","registered_at":"2026-06-23T08:29:37Z","spotify_id":"5L5jOlCu1fAZKBMYdGSGiM","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31cabc23dead3fc678ad995cba9bc4dd8aab500f4afb9216443fd6256997e923. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5L5jOlCu1fAZKBMYdGSGiM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5L5jOlCu1fAZKBMYdGSGiM.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x31cabc23dead3fc678ad995cba9bc4dd8aab500f4afb9216443fd6256997e923","isrc":"JPPO01613606","name":"思いがかさなるその前に・・・","registered_at":"2026-06-23T08:29:37Z","spotify_id":"5L5jOlCu1fAZKBMYdGSGiM","type":"track"}
track: ひまわりの約束
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304400
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613607
track: TOMORROW
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221573
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T04:15:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe602b860ce66874c00c30be03fa1c3377dfbfb7e362eb7704c04c65461060739
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2PZmtcpYnYvUlWfpfpTICp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PZmtcpYnYvUlWfpfpTICp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe602b860ce66874c00c30be03fa1c3377dfbfb7e362eb7704c04c65461060739. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2PZmtcpYnYvUlWfpfpTICp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PZmtcpYnYvUlWfpfpTICp.
    date published: 2026-07-02T05:09:12Z
track: 奏（かなで）
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321480
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613609
track: スタートライン
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271986
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
track: ただ、ありがとう
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228213
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
track: 今のキミを忘れない
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255480
  explicit: false
  by artist: Yusaku Kiyama
  by artist: Chris Hart
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613612
track: 家族になろうよ
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309200
  explicit: false
  by artist: Yusaku Kiyama
  in album: F 守りたい君へ
    type: MusicAlbum
    date published: 2016-03-02
  isrc code: JPPO01613613
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T06:49:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x12538469027cc55ff2ef2808c4a6b85ff0c4881fd0352709f4f21bb29cd55743
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5E7TsDOXr0Tq8Pjnbndp0j.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E7TsDOXr0Tq8Pjnbndp0j
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x12538469027cc55ff2ef2808c4a6b85ff0c4881fd0352709f4f21bb29cd55743","isrc":"JPPO01613613","name":"家族になろうよ","registered_at":"2026-06-20T06:49:04Z","spotify_id":"5E7TsDOXr0Tq8Pjnbndp0j","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12538469027cc55ff2ef2808c4a6b85ff0c4881fd0352709f4f21bb29cd55743. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5E7TsDOXr0Tq8Pjnbndp0j.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E7TsDOXr0Tq8Pjnbndp0j.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x12538469027cc55ff2ef2808c4a6b85ff0c4881fd0352709f4f21bb29cd55743","isrc":"JPPO01613613","name":"家族になろうよ","registered_at":"2026-06-20T06:49:04Z","spotify_id":"5E7TsDOXr0Tq8Pjnbndp0j","type":"track"}
track: 僕が一番欲しかったもの
track: 誕生
track: やさしさで溢れるように

僕が一番欲しかったもの
type: MusicRecording
duration: PT4M58S
duration ms: 298520
explicit: false
by artist: Yusaku Kiyama
in album: F 守りたい君へ
  type: MusicAlbum
  date published: 2016-03-02
isrc code: JPPO01613614

誕生
type: MusicRecording
duration: PT6M52S
duration ms: 412946
explicit: false
by artist: Yusaku Kiyama
in album: F 守りたい君へ
  type: MusicAlbum
  date published: 2016-03-02
isrc code: JPPO01613615

やさしさで溢れるように
type: MusicRecording
duration: PT5M18S
duration ms: 318026
explicit: false
by artist: Yusaku Kiyama
in album: F 守りたい君へ
  type: MusicAlbum
  date published: 2016-03-02
isrc code: JPPO01613616

Song 4 You
type: MusicAlbum
date published: 2021-12-31
track: Song 4 You
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262409
  explicit: false
  by artist: ZIMA
  by artist: Yusaku Kiyama
  by artist: Tomahawk
  in album: Song 4 You
    type: MusicAlbum
    date published: 2021-12-31

幸せはここに
type: MusicAlbum
date published: 2019-02-04
track: 幸せはここに
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313546
  explicit: false
  by artist: Yusaku Kiyama
  in album: 幸せはここに
    type: MusicAlbum
    date published: 2019-02-04
  isrc code: JPPO01806755

手紙
type: MusicAlbum
date published: 2018-05-02
track: 手紙
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345893
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02
track: 旅立ち
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309226
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02
track: home - 10th anniversary version
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251160
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02
  isrc code: JPPO01801460
track: 手紙 - オリジナルカラオケ
  type: MusicRecording
  duration: PT5M46S
  duration ms: 346173
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02
track: 旅立ち - オリジナルカラオケ
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309453
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02
track: home - 10th anniversary version / オリジナルカラオケ
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251346
  explicit: false
  by artist: Yusaku Kiyama
  in album: 手紙
    type: MusicAlbum
    date published: 2018-05-02

あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
type: MusicAlbum
date published: 2021-11-24
track: あたらしいともだち
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105546
  explicit: false
  by artist: ヒネるズ
  by artist: Toshihiko Shinzawa
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
  isrc code: JPKI02116039
track: ともだちになるために
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236760
  explicit: false
  by artist: Tsubasa Suzuki
  by artist: Kazuto Ozawa
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
  isrc code: JPKI01415951
track: あかちゃんのときのことなんて
  type: MusicRecording
  duration: PT1M22S
  duration ms: 82053
  explicit: false
  by artist: Satoko Yamano
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: ハッピーチルドレン
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136973
  explicit: false
  by artist: ひまわりキッズ
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: きんのぶた ぎんのぶた
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89093
  explicit: false
  by artist: 中川ひろたか
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: 世界中のこどもたちが
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153120
  explicit: false
  by artist: こどもの城児童合唱団
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
  isrc code: JPKI01713006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T17:36:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c0599906ddb007a54fa2fc7891233c2887bdeeec304d039824fda4612eeb8c9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1eKmNOOv78F32qMjgymIO6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1eKmNOOv78F32qMjgymIO6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0c0599906ddb007a54fa2fc7891233c2887bdeeec304d039824fda4612eeb8c9","isrc":"JPKI01713006","name":"世界中のこどもたちが","registered_at":"2026-06-05T17:36:39Z","spotify_id":"1eKmNOOv78F32qMjgymIO6","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c0599906ddb007a54fa2fc7891233c2887bdeeec304d039824fda4612eeb8c9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1eKmNOOv78F32qMjgymIO6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1eKmNOOv78F32qMjgymIO6.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x0c0599906ddb007a54fa2fc7891233c2887bdeeec304d039824fda4612eeb8c9","isrc":"JPKI01713006","name":"世界中のこどもたちが","registered_at":"2026-06-05T17:36:39Z","spotify_id":"1eKmNOOv78F32qMjgymIO6","type":"track"}
track: くも
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128466
  explicit: false
  by artist: Toshihiko Shinzawa
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: おはよう
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194360
  explicit: false
  by artist: 高瀬"makoring"麻里子
  by artist: すがも児童合唱団
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: おねがいやから
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110813
  explicit: false
  by artist: Satoko Yamano
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: ママと冷蔵庫の秘密
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141213
  explicit: false
  by artist: こどもの城児童合唱団
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: おめめぱちっと
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71200
  explicit: false
  by artist: ヒネるズ
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: ぼくたちのうた
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213866
  explicit: false
  by artist: スマイルキッズ
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: 森のにおい
  type: MusicRecording
  duration: PT1M33S
  duration ms: 93213
  explicit: false
  by artist: Toshihiko Shinzawa
  by artist: Satoko Yamano
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
  isrc code: JPKI02115998
track: ジャンプ!
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142746
  explicit: false
  by artist: Tsubasa Suzuki
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: モップとバケツ
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131946
  explicit: false
  by artist: ヒネるズ
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
track: おひさまになりたい
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139826
  explicit: false
  by artist: スマイルキッズ
  in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
    type: MusicAlbum
    date published: 2021-11-24
  isrc code: JPKI01617485
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T14:45:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0cefbc19f58377ce42daff9863fbcfac955edd24966dbd11094e0531325e8378
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 空のひとみ
track: カメの遠足
track: バーバーロケンロー!
track: あしたがすき
track: くじらのポケット
track: ちきゅうのシンフォニー
track: 地球は大きな石ころだ
track: パレード
track: さかあがり
track: 雨ふり水族館
track: 春の花火
track: にじ
track: こどもの日 おとなの日
track: サンタクロースにラブレター
track: あめぴっとん
track: うさぎ野原のクリスマス
track: 夏になるとき
track: 小さなトナカイ
track: くまの七五三
track: しずかなクリスマス
track: 指にとまった秋
track: ゆびきり
track: ひとつのあかりをみるために
track: はじめの一歩
track: きみのそら
track: きみとぼくのラララ
track: こころのかたち
track: 誰かが星をみていた
track: よ・ろ・し・く
track: 空より高く
track: にじ～もうひとつの「にじ」～
track: えがおのままで
track: おはよう～もうひとつの「おはよう」～
track: わたしたちの歌

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2ehP63shbX5RIU3NQv8I4G.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ehP63shbX5RIU3NQv8I4G

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x0cefbc19f58377ce42daff9863fbcfac955edd24966dbd11094e0531325e8378","isrc":"JPKI01617485","name":"おひさまになりたい","registered_at":"2026-06-19T14:45:11Z","spotify_id":"2ehP63shbX5RIU3NQv8I4G","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cefbc19f58377ce42daff9863fbcfac955edd24966dbd11094e0531325e8378. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ehP63shbX5RIU3NQv8I4G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ehP63shbX5RIU3NQv8I4G.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x0cefbc19f58377ce42daff9863fbcfac955edd24966dbd11094e0531325e8378","isrc":"JPKI01617485","name":"おひさまになりたい","registered_at":"2026-06-19T14:45:11Z","spotify_id":"2ehP63shbX5RIU3NQv8I4G","type":"track"}

空のひとみ
type: MusicRecording
duration: PT2M14S
duration ms: 134200
explicit: false
by artist: Satoko Yamano
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

カメの遠足
type: MusicRecording
duration: PT4M15S
duration ms: 255240
explicit: false
by artist: すがも児童合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

バーバーロケンロー!
type: MusicRecording
duration: PT2M20S
duration ms: 140053
explicit: false
by artist: ヒネるズ
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

あしたがすき
type: MusicRecording
duration: PT3M33S
duration ms: 213693
explicit: false
by artist: ことのみ児童合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

くじらのポケット
type: MusicRecording
duration: PT2M14S
duration ms: 134826
explicit: false
by artist: ヒネるズ
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

ちきゅうのシンフォニー
type: MusicRecording
duration: PT3M3S
duration ms: 183320
explicit: false
by artist: 中川ひろたか
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

地球は大きな石ころだ
type: MusicRecording
duration: PT2M26S
duration ms: 146213
explicit: false
by artist: ヒネるズ
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

パレード
type: MusicRecording
duration: PT2M30S
duration ms: 150520
explicit: false
by artist: えびな少年少女合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24
isrc code: JPKI01713011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:47:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5051bada02b169eea92b1f6018c4bed40c19cb9d77c93fb7b2ec8f4c6486d01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6miZyVx1oc80QY8CmhxRHO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6miZyVx1oc80QY8CmhxRHO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc5051bada02b169eea92b1f6018c4bed40c19cb9d77c93fb7b2ec8f4c6486d01","isrc":"JPKI01713011","name":"パレード","registered_at":"2026-06-23T10:47:50Z","spotify_id":"6miZyVx1oc80QY8CmhxRHO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5051bada02b169eea92b1f6018c4bed40c19cb9d77c93fb7b2ec8f4c6486d01. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6miZyVx1oc80QY8CmhxRHO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6miZyVx1oc80QY8CmhxRHO.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xc5051bada02b169eea92b1f6018c4bed40c19cb9d77c93fb7b2ec8f4c6486d01","isrc":"JPKI01713011","name":"パレード","registered_at":"2026-06-23T10:47:50Z","spotify_id":"6miZyVx1oc80QY8CmhxRHO","type":"track"}

さかあがり
type: MusicRecording
duration: PT1M51S
duration ms: 111506
explicit: false
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

雨ふり水族館
type: MusicRecording
duration: PT2M41S
duration ms: 161933
explicit: false
by artist: Yusaku Kiyama
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

春の花火
type: MusicRecording
duration: PT2M43S
duration ms: 163186
explicit: false
by artist: Satoko Yamano
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

にじ
type: MusicRecording
duration: PT3M6S
duration ms: 186600
explicit: false
by artist: タニケン
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24
isrc code: JPKI01911310

こどもの日 おとなの日
type: MusicRecording
duration: PT1M54S
duration ms: 114333
explicit: false
by artist: Toshihiko Shinzawa
by artist: 中川ひろたか
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

サンタクロースにラブレター
type: MusicRecording
duration: PT2M55S
duration ms: 175253
explicit: false
by artist: Yoriko Suzuki
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

あめぴっとん
type: MusicRecording
duration: PT1M3S
duration ms: 63120
explicit: false
by artist: 中川ひろたか
by artist: Satoko Yamano
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

うさぎ野原のクリスマス
type: MusicRecording
duration: PT2M33S
duration ms: 153000
explicit: false
by artist: 大澤和音
by artist: すがも児童合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24
isrc code: JPKI01616933

夏になるとき
type: MusicRecording
duration: PT2M7S
duration ms: 127146
explicit: false
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

小さなトナカイ
type: MusicRecording
duration: PT2M47S
duration ms: 167093
explicit: false
by artist: 長谷知子
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

くまの七五三
type: MusicRecording
duration: PT1M44S
duration ms: 104346
explicit: false
by artist: Toshihiko Shinzawa
by artist: Satoko Yamano
by artist: 本田洋一郎
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

しずかなクリスマス
type: MusicRecording
duration: PT2M28S
duration ms: 148133
explicit: false
by artist: えびな少年少女合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

指にとまった秋
type: MusicRecording
duration: PT1M56S
duration ms: 116493
explicit: false
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

ゆびきり
type: MusicRecording
duration: PT4M6S
duration ms: 246720
explicit: false
by artist: Tsubasa Suzuki
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

ひとつのあかりをみるために
type: MusicRecording
duration: PT2M19S
duration ms: 139520
explicit: false
by artist: Satoko Yamano
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

はじめの一歩
type: MusicRecording
duration: PT3M26S
duration ms: 206080
explicit: false
by artist: Yusaku Kiyama
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

きみのそら
type: MusicRecording
duration: PT2M19S
duration ms: 139666
explicit: false
by artist: ヒネるズ
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

きみとぼくのラララ
type: MusicRecording
duration: PT2M55S
duration ms: 175640
explicit: false
by artist: タニケン
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

こころのかたち
type: MusicRecording
duration: PT1M39S
duration ms: 99680
explicit: false
by artist: Satoko Yamano
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

誰かが星をみていた
type: MusicRecording
duration: PT2M53S
duration ms: 173506
explicit: false
by artist: こどもの城児童合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

よ・ろ・し・く
type: MusicRecording
duration: PT2M17S
duration ms: 137040
explicit: false
by artist: ヒネるズ
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

空より高く
type: MusicRecording
duration: PT4M1S
duration ms: 241293
explicit: false
by artist: ひばり児童合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24
isrc code: JPKI01713015

にじ～もうひとつの「にじ」～
type: MusicRecording
duration: PT2M54S
duration ms: 174280
explicit: false
by artist: Toshihiko Shinzawa
by artist: 中川ひろたか
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

えがおのままで
type: MusicRecording
duration: PT3M49S
duration ms: 229613
explicit: false
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

おはよう～もうひとつの「おはよう」～
type: MusicRecording
duration: PT3M14S
duration ms: 194906
explicit: false
by artist: 中川ひろたか
by artist: Toshihiko Shinzawa
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

わたしたちの歌
type: MusicRecording
duration: PT4M9S
duration ms: 249653
explicit: false
by artist: こどもの城児童合唱団
by artist: こどもの城混声合唱団
in album: あたらしいともだち・これからもともだち～新沢としひこ&中川ひろたか お宝発掘&名作ベスト
  type: MusicAlbum
  date published: 2021-11-24

家族の愛に包まれて
type: MusicAlbum
date published: 2020-12-30
track: 未来へ
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279453
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: グリーン・グリーン
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108226
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: 家族になろうよ
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309826
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
  isrc code: JPPO02003792
track: 冬の夜
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157333
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: あなたにとって
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236466
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: 里の秋
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176453
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
  isrc code: JPPO02003797
track: ぼくの妹に
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169733
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: 星が歌った物語～ポロ兄ちゃんとタンちん君～
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286533
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: 秋桜
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222760
  explicit: false
  by artist: Saori Yuki
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30
track: おさななじみ
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184053
  explicit: false
  by artist: Saori Yuki
  by artist: Sachiko Yasuda
  by artist: Yusaku Kiyama
  in album: 家族の愛に包まれて
    type: MusicAlbum
    date published: 2020-12-30

Graduation
type: MusicAlbum
date published: 2022-03-04
track: BLOOM (feat. null ARS)
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163000
  explicit: false
  by artist: ZIMA
  by artist: null ARS
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: Real Love
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166779
  explicit: false
  by artist: ZIMA
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: Everyday (feat. marshmallowneko & iyan D1KE)
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183092
  explicit: false
  by artist: ZIMA
  by artist: marshmallowneko
  by artist: iyan D1KE
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: Song 4 You
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262409
  explicit: false
  by artist: ZIMA
  by artist: Yusaku Kiyama
  by artist: Tomahawk
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: SPARK
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166315
  explicit: false
  by artist: ZIMA
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: For Years
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179016
  explicit: false
  by artist: ZIMA
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04
track: Graduation (feat. YUDAI & TAKA)
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183250
  explicit: false
  by artist: ZIMA
  by artist: Yudai
  by artist: TAKA
  in album: Graduation
    type: MusicAlbum
    date published: 2022-03-04

お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
type: MusicAlbum
date published: 2022-12-28
track: お正月(子ども合唱）
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95400
  explicit: false
  by artist: タンポポ児童合唱団
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: お正月(ソロ歌唱)
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83813
  explicit: false
  by artist: 芹洋子
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI07972691
track: お正月(ピアノ)
  type: MusicRecording
  duration: PT0M39S
  duration ms: 39120
  explicit: false
  by artist: 小原孝
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: お正月(カラオケ)
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95520
  explicit: false
  by artist: キングオーケストラ
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: おしょしょしょ正月は〈羽根つき歌〉
  type: MusicRecording
  duration: PT1M7S
  duration ms: 67506
  explicit: false
  by artist: 川瀬正人
  by artist: ひまわりキッズ
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: もちつき
  type: MusicRecording
  duration: PT0M59S
  duration ms: 59746
  explicit: false
  by artist: ことのみ児童合唱団
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI01810127
track: もちつき ぺったんこ
  type: MusicRecording
  duration: PT0M49S
  duration ms: 49320
  explicit: false
  by artist: 高瀬麻里子
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI02015056
track: おもちつき
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101240
  explicit: false
  by artist: フレーベル少年合唱団
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: ね・うし・とら・う〈十二支〉
  type: MusicRecording
  duration: PT0M50S
  duration ms: 50093
  explicit: false
  by artist: ひまわりキッズ
  by artist: 川瀬正人
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: 十二支のうた
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165226
  explicit: false
  by artist: 高瀬"makoring"麻里子
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI01818777
track: 一月一日
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128973
  explicit: false
  by artist: ダーク・ダックス
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI07150169
track: 富士山(ふじの山)
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130386
  explicit: false
  by artist: Yusaku Kiyama
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI02014660
track: たこのうた
  type: MusicRecording
  duration: PT1M0S
  duration ms: 60053
  explicit: false
  by artist: ひばり児童合唱団
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: かぞえうた(毬つき歌)
  type: MusicRecording
  duration: PT1M3S
  duration ms: 63293
  explicit: false
  by artist: 波瀬満子
  by artist: 劇団「こまどり」
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: いちもんめのいちすけさん(毬つき歌)
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106560
  explicit: false
  by artist: タンポポ児童合唱団
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: 七草なずな(わらべうた)
  type: MusicRecording
  duration: PT1M4S
  duration ms: 64000
  explicit: false
  by artist: 川瀬正人
  by artist: ひまわりキッズ
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: ラップde春の七草
  type: MusicRecording
  duration: PT0M38S
  duration ms: 38226
  explicit: false
  by artist: 高瀬麻里子
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: (効果音)除夜の鐘
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71093
  explicit: false
  by artist: 効果音
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI01517652
track: (BGM)春の海 ※冒頭
  type: MusicRecording
  duration: PT0M51S
  duration ms: 51866
  explicit: false
  by artist: 安藤政輝
  by artist: 広門貞雄
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: (BGM)六段の調 ※初段のみ
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117360
  explicit: false
  by artist: 倉田武蔵
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
track: (BGM)獅子舞
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206866
  explicit: false
  by artist: 神田囃子保存会
  in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
    type: MusicAlbum
    date published: 2022-12-28
  isrc code: JPKI06117498
track: (BGM)雅楽 越天楽

(BGM)雅楽 越天楽
type: MusicRecording
duration: PT4M3S
duration ms: 243666
explicit: false
by artist: キング和洋合奏団
in album: お正月・新年をむかえる歌～節句や行事に聞きたい音楽まとめ♪～
  type: MusicAlbum
  date published: 2022-12-28

home
type: MusicRecording
duration: PT3M52S
duration ms: 232000
explicit: false
by artist: Yusaku Kiyama
in album: センチメンタルデイズ 〜Limited Collection〜
  type: MusicAlbum
  date published: 2019-12-04
isrc code: JPB600765901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:42:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9cb61cded3d1435d2a8d0f16907398d09c00e56c614a13d21b87daa7d1f9902
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0KJPrLoWwmtLlIzXuLNREv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KJPrLoWwmtLlIzXuLNREv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cb61cded3d1435d2a8d0f16907398d09c00e56c614a13d21b87daa7d1f9902. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KJPrLoWwmtLlIzXuLNREv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KJPrLoWwmtLlIzXuLNREv.
  date published: 2026-07-02T03:30:09Z

home
type: MusicRecording
duration: PT3M53S
duration ms: 233335
explicit: false
by artist: Yusaku Kiyama
in album: HOT MiLK (Limited Collection)
  type: MusicAlbum
  date published: 2023-02-01

君に贈る歌
type: MusicRecording
duration: PT4M44S
duration ms: 284786
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412943

手紙～拝啓十五の君へ～
type: MusicRecording
duration: PT5M8S
duration ms: 308840
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412940

YELL
type: MusicRecording
duration: PT5M57S
duration ms: 357933
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412941

愛は勝つ
type: MusicRecording
duration: PT3M49S
duration ms: 229253
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412935

花は咲く
type: MusicRecording
duration: PT4M32S
duration ms: 272826
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412942

正解
type: MusicRecording
duration: PT5M59S
duration ms: 359293
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412944

ぼよよん行進曲
type: MusicRecording
duration: PT4M35S
duration ms: 275693
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412939

はじめの一歩
type: MusicRecording
duration: PT3M28S
duration ms: 208053
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412932

雨ふり水族館
type: MusicRecording
duration: PT2M42S
duration ms: 162546
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02

世界中のこどもたちが
type: MusicRecording
duration: PT2M41S
duration ms: 161146
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412938

にじ
type: MusicRecording
duration: PT3M9S
duration ms: 189053
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412936

ありがとうの花
type: MusicRecording
duration: PT2M15S
duration ms: 135146
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412937

いまがはじまり～おとなから～
type: MusicRecording
duration: PT3M48S
duration ms: 228773
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02014786

誓います
type: MusicRecording
duration: PT4M16S
duration ms: 256400
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02412934

僕は生きてゆく
type: MusicRecording
duration: PT3M38S
duration ms: 218546
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02014726

home
type: MusicRecording
duration: PT3M53S
duration ms: 233213
explicit: false
by artist: Yusaku Kiyama
in album: 贈る歌
  type: MusicAlbum
  date published: 2024-10-02
isrc code: JPKI02313065

Welcome to 木山
type: MusicRecording
duration: PT1M34S
duration ms: 94293
explicit: false
by artist: Yusaku Kiyama
by artist: Mr.シャチホコ
in album: 木山と木山 ～夢のディナーショー
  type: MusicAlbum
  date published: 2023-04-26
isrc code: JPKI02311028

淋しい熱帯魚
type: MusicRecording
duration: PT4M31S
duration ms: 271253
explicit: false
by artist: Yusaku Kiyama
by artist: Mr.シャチホコ
in album: 木山と木山 ～夢のディナーショー
  type: MusicAlbum
  date published: 2023-04-26
isrc code: JPKI02311029