Sonar Pocket
type: MusicGroup
genre: j-pop
popularity: 41
followers: 97436
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b8af76d855c1868155977694cbbb9a37b3070ba1c1e4541e582ed4e494aacb1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00f22f27-299e-4279-ab73-eeb8f8928688.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00f22f27-299e-4279-ab73-eeb8f8928688.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00f22f27-299e-4279-ab73-eeb8f8928688
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b8af76d855c1868155977694cbbb9a37b3070ba1c1e4541e582ed4e494aacb1","name":"Sonar Pocket","registered_at":"2026-06-12T14:50:52Z","symbol":"NIM0001710","token_address":"0xb9d773ef6f290e920918e16970fe3c941bd10917","type":"artist","uuid":"00f22f27-299e-4279-ab73-eeb8f8928688"}
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 0x5b8af76d855c1868155977694cbbb9a37b3070ba1c1e4541e582ed4e494aacb1. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00f22f27-299e-4279-ab73-eeb8f8928688.json and https://artists.proofprofile.net/proofs/artist/00f22f27-299e-4279-ab73-eeb8f8928688.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
  track: 大切な人へ
    type: MusicRecording
    duration: PT4M11S
    duration ms: 251739
    explicit: false
    by artist: Sonar Pocket
    in album: 80億分の1 〜to you〜
      type: MusicAlbum
      date published: 2021-02-10
    isrc code: JPWP02000535
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-18T10:39:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1WBmgrQXFtKQ515hgYYufn.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1WBmgrQXFtKQ515hgYYufn
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf","isrc":"JPWP02000535","name":"大切な人へ","registered_at":"2026-06-18T10:39:58Z","spotify_id":"1WBmgrQXFtKQ515hgYYufn","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 0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf. 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/1WBmgrQXFtKQ515hgYYufn.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/1WBmgrQXFtKQ515hgYYufn.
      date published: 2026-07-02T03:55:08Z
      text: {"copyright_id":"0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf","isrc":"JPWP02000535","name":"大切な人へ","registered_at":"2026-06-18T10:39:58Z","spotify_id":"1WBmgrQXFtKQ515hgYYufn","type":"track"}
  track: 輝け僕らの魂
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238269
    explicit: false
    by artist: Sonar Pocket
    in album: 80億分の1 〜to you〜
      type: MusicAlbum
      date published: 2021-02-10
    isrc code: JPWP02071315
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-25T05:28:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3
    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/4GhsjKu9KvGrEnmHBoTOie.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GhsjKu9KvGrEnmHBoTOie
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3","isrc":"JPWP02071315","name":"輝け僕らの魂","registered_at":"2026-06-25T05:28:07Z","spotify_id":"4GhsjKu9KvGrEnmHBoTOie","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 0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3. 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/4GhsjKu9KvGrEnmHBoTOie.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/4GhsjKu9KvGrEnmHBoTOie.
      date published: 2026-07-02T03:55:08Z
      text: {"copyright_id":"0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3","isrc":"JPWP02071315","name":"輝け僕らの魂","registered_at":"2026-06-25T05:28:07Z","spotify_id":"4GhsjKu9KvGrEnmHBoTOie","type":"track"}
  track: 好き
    type: MusicRecording
    duration: PT4M25S
    duration ms: 265203
    explicit: false
    by artist: Sonar Pocket
    in album: 80億分の1 〜to you〜
      type: MusicAlbum
      date published: 2021-02-10
    isrc code: JPWP01970099
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-26T13:12:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956351
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6ywfEeK8gFUkkpgIreETqe.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ywfEeK8gFUkkpgIreETqe
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T11:38:34Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"6ywfEeK8gFUkkpgIreETqe","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 0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ywfEeK8gFUkkpgIreETqe.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/6ywfEeK8gFUkkpgIreETqe.
      date published: 2026-07-02T11:38:34Z
      text: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"6ywfEeK8gFUkkpgIreETqe","type":"track"}
  track: Oh difficult (with GFRIEND)
    type: MusicRecording
    duration: PT4M14S
    duration ms: 254656
    explicit: false
    by artist: Sonar Pocket
    by artist: GFRIEND
    in album: 80億分の1 〜to you〜
      type: MusicAlbum
      date published: 2021-02-10
    isrc code: JPWP01970412
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-22T21:44:15+00:00
    additional property: CopyrightChainExplorerURL
    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: 過ぎ去りし時は僕らの中に
  track: 拝啓、元恋人
  track: 静かな夜空であなたと繋がった
  track: もう直接言うことはできないから、こうして歌にして届けようとしてる。
  track: 大本命
  track: 忘れることなんて出来ないや
  track: 80億分の1
album: flower
album: 「メリークリスマス」
album: Sonar Pocket ~15th Anniversary~
album: 好きだよ。～100回の後悔～ (15th Anniversary ver.)
album: いつも一緒に (feat. 天野ひろゆき)
album: 熱波 DE サウナ
album: Hit the Road
album: ひだまりの君
album: 秋雨
album: エンドロール
album: っていうか、ずっとね
album: あれからずっと
album: 花火
album: 夏中毒
album: Reborn
album: いつも一緒に
album: 忘れることなんて出来ないや
album: 80億分の1
album: 大切な人へ
album: もう直接言うことはできないから、こうして歌にして届けようとしてる。
album: Oh difficult (with GFRIEND)
album: 好き
album: GLORIA
album: baby baby
album: 君の名前
album: やばば
album: 108〜永遠〜
album: 涙雪
album: 段々男女物語
album: 一生一瞬
track: 秋雨
track: 大切な人へ
track: 輝け僕らの魂
track: 好き
track: Oh difficult (with GFRIEND)
track: 過ぎ去りし時は僕らの中に
track: 拝啓、元恋人
track: 静かな夜空であなたと繋がった
track: もう直接言うことはできないから、こうして歌にして届けようとしてる。
track: 大本命
track: 忘れることなんて出来ないや
track: 80億分の1
track: Phoenix
track: やばば
track: 108〜永遠〜
track: baby baby
track: 君の名前
track: Be Alright
track: 青
track: 顔晴れ

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956312

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3ZOW8pTzRyLJUpnHTJwhvJ.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ZOW8pTzRyLJUpnHTJwhvJ

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"3ZOW8pTzRyLJUpnHTJwhvJ","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 0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b. 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/3ZOW8pTzRyLJUpnHTJwhvJ.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/3ZOW8pTzRyLJUpnHTJwhvJ.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"3ZOW8pTzRyLJUpnHTJwhvJ","type":"track"}

過ぎ去りし時は僕らの中に
type: MusicRecording
duration: PT4M28S
duration ms: 268118
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071316

拝啓、元恋人
type: MusicRecording
duration: PT4M58S
duration ms: 298160
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071317

静かな夜空であなたと繋がった
type: MusicRecording
duration: PT4M15S
duration ms: 255583
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071318

もう直接言うことはできないから、こうして歌にして届けようとしてる。
type: MusicRecording
duration: PT4M40S
duration ms: 280449
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02000099

大本命
type: MusicRecording
duration: PT4M3S
duration ms: 243896
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071319

忘れることなんて出来ないや
type: MusicRecording
duration: PT3M36S
duration ms: 216243
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T17:32:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d
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/0Ah8l43uC3G1eXgnZwXwDH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ah8l43uC3G1eXgnZwXwDH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"0Ah8l43uC3G1eXgnZwXwDH","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 0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d. 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/0Ah8l43uC3G1eXgnZwXwDH.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/0Ah8l43uC3G1eXgnZwXwDH.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"0Ah8l43uC3G1eXgnZwXwDH","type":"track"}

80億分の1
type: MusicRecording
duration: PT4M14S
duration ms: 254613
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071321
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T03:28:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087
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/1kYxOjicEtigKntuZJqxY4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kYxOjicEtigKntuZJqxY4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"1kYxOjicEtigKntuZJqxY4","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 0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087. 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/1kYxOjicEtigKntuZJqxY4.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/1kYxOjicEtigKntuZJqxY4.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"1kYxOjicEtigKntuZJqxY4","type":"track"}

flower
type: MusicAlbum
date published: 2018-10-10
track: Phoenix
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224306
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01871243
track: やばば
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265026
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01870467
track: 108〜永遠〜
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332482
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01870054
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:13:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb
  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/5p3nhvqqPLYThUnYTfzUYX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p3nhvqqPLYThUnYTfzUYX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"5p3nhvqqPLYThUnYTfzUYX","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 0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb. 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/5p3nhvqqPLYThUnYTfzUYX.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/5p3nhvqqPLYThUnYTfzUYX.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"5p3nhvqqPLYThUnYTfzUYX","type":"track"}
track: baby baby
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227150
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01871244
track: 君の名前
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290532
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01870872
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T18:01:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae
  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/33EUFp0NESYz46nWZUMDja.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/33EUFp0NESYz46nWZUMDja
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"33EUFp0NESYz46nWZUMDja","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 0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae. 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/33EUFp0NESYz46nWZUMDja.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/33EUFp0NESYz46nWZUMDja.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"33EUFp0NESYz46nWZUMDja","type":"track"}
track: Be Alright
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209280
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01870468
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T05:54:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f
  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/1GeO07UBEPxcMUAoZMCAJj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GeO07UBEPxcMUAoZMCAJj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"1GeO07UBEPxcMUAoZMCAJj","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 0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f. 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/1GeO07UBEPxcMUAoZMCAJj.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/1GeO07UBEPxcMUAoZMCAJj.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"1GeO07UBEPxcMUAoZMCAJj","type":"track"}
track: 青
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252963
  explicit: false
  by artist: Sonar Pocket
  in album: flower
    type: MusicAlbum
    date published: 2018-10-10
  isrc code: JPWP01871245
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T04:36:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 顔晴れ
track: 涙雪
track: 一生一瞬
track: 恋運命
track: つぼみ
track: flower

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2ZeP94fYH0MWT8HxdjkqFb.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZeP94fYH0MWT8HxdjkqFb

OTSTimestamp
type: PropertyValue
value: 2026-07-02T16:51:38Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694","isrc":"JPWP01871245","name":"青","registered_at":"2026-06-28T04:36:43Z","spotify_id":"2ZeP94fYH0MWT8HxdjkqFb","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 0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZeP94fYH0MWT8HxdjkqFb.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/2ZeP94fYH0MWT8HxdjkqFb.
date published: 2026-07-02T16:51:38Z
text: {"copyright_id":"0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694","isrc":"JPWP01871245","name":"青","registered_at":"2026-06-28T04:36:43Z","spotify_id":"2ZeP94fYH0MWT8HxdjkqFb","type":"track"}

顔晴れ
type: MusicRecording
duration: PT4M43S
duration ms: 283175
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871246

涙雪
type: MusicRecording
duration: PT4M31S
duration ms: 271257
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01772267
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T03:48:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05
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/6KWT5AenNBDNUqBHbkKfVO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6KWT5AenNBDNUqBHbkKfVO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05","isrc":"JPWP01772267","name":"涙雪","registered_at":"2026-06-19T03:48:38Z","spotify_id":"6KWT5AenNBDNUqBHbkKfVO","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 0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05. 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/6KWT5AenNBDNUqBHbkKfVO.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/6KWT5AenNBDNUqBHbkKfVO.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05","isrc":"JPWP01772267","name":"涙雪","registered_at":"2026-06-19T03:48:38Z","spotify_id":"6KWT5AenNBDNUqBHbkKfVO","type":"track"}

一生一瞬
type: MusicRecording
duration: PT5M34S
duration ms: 334974
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWPO1770238
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:47:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5r22SSreymupY9qK4XZpsv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5r22SSreymupY9qK4XZpsv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4","isrc":"JPWPO1770238","name":"一生一瞬","registered_at":"2026-06-09T03:47:37Z","spotify_id":"5r22SSreymupY9qK4XZpsv","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 0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5r22SSreymupY9qK4XZpsv.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/5r22SSreymupY9qK4XZpsv.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4","isrc":"JPWPO1770238","name":"一生一瞬","registered_at":"2026-06-09T03:47:37Z","spotify_id":"5r22SSreymupY9qK4XZpsv","type":"track"}

恋運命
type: MusicRecording
duration: PT3M20S
duration ms: 200631
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871247

つぼみ
type: MusicRecording
duration: PT4M27S
duration ms: 267906
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871248

flower
type: MusicRecording
duration: PT4M45S
duration ms: 285642
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871249
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:17:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5c594876e5d72245258aa602d95e775d99f35cdecc0978645880dd283346a24
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/7aIlOiSleQrNazl8NeLSx6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7aIlOiSleQrNazl8NeLSx6
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 0xd5c594876e5d72245258aa602d95e775d99f35cdecc0978645880dd283346a24. 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/7aIlOiSleQrNazl8NeLSx6.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/7aIlOiSleQrNazl8NeLSx6.
  date published: 2026-07-02T03:55:08Z

「メリークリスマス」
type: MusicAlbum
date published: 2023-12-20
track: 「メリークリスマス」
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268966
  explicit: false
  by artist: Sonar Pocket
  in album: 「メリークリスマス」
    type: MusicAlbum
    date published: 2023-12-20
  isrc code: JPWP02301374
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T04:36:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x710040c72619056951bb2650754d9ec4b524edc533474332a790850e3029ba8b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6RVKbl5DouXIjBDeEtyH6Y.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6RVKbl5DouXIjBDeEtyH6Y
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x710040c72619056951bb2650754d9ec4b524edc533474332a790850e3029ba8b","isrc":"JPWP02301374","name":"「メリークリスマス」","registered_at":"2026-06-28T04:36:39Z","spotify_id":"6RVKbl5DouXIjBDeEtyH6Y","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 0x710040c72619056951bb2650754d9ec4b524edc533474332a790850e3029ba8b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6RVKbl5DouXIjBDeEtyH6Y.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/6RVKbl5DouXIjBDeEtyH6Y.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0x710040c72619056951bb2650754d9ec4b524edc533474332a790850e3029ba8b","isrc":"JPWP02301374","name":"「メリークリスマス」","registered_at":"2026-06-28T04:36:39Z","spotify_id":"6RVKbl5DouXIjBDeEtyH6Y","type":"track"}
track: 願い星 - Classical ver.
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366122
  explicit: false
  by artist: Sonar Pocket
  in album: 「メリークリスマス」
    type: MusicAlbum
    date published: 2023-12-20
  isrc code: JPWP02301375

Sonar Pocket ~15th Anniversary~
type: MusicAlbum
date published: 2023-09-03
track: 好きだよ。～100回の後悔～ - 15th Anniversary ver.
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323449
  explicit: false
  by artist: Sonar Pocket
  in album: Sonar Pocket ~15th Anniversary~
    type: MusicAlbum
    date published: 2023-09-03
  isrc code: JPWP02300865
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T10:37:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab
  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/5SFnlvSOc43MWtceKzKVR9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5SFnlvSOc43MWtceKzKVR9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab","isrc":"JPWP02300865","name":"好きだよ。～100回の後悔～ - 15th Anniversary ver.","registered_at":"2026-06-18T10:37:57Z","spotify_id":"5SFnlvSOc43MWtceKzKVR9","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 0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab. 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/5SFnlvSOc43MWtceKzKVR9.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/5SFnlvSOc43MWtceKzKVR9.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab","isrc":"JPWP02300865","name":"好きだよ。～100回の後悔～ - 15th Anniversary ver.","registered_at":"2026-06-18T10:37:57Z","spotify_id":"5SFnlvSOc43MWtceKzKVR9","type":"track"}
track: 365日のラブストーリー。 - 15th Anniversary ver.
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276931
  explicit: false
  by artist: Sonar Pocket
  in album: Sonar Pocket ~15th Anniversary~
    type: MusicAlbum
    date published: 2023-09-03
  isrc code: JPWP02300866
track: 願い星 - 2023 Remaster
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314857
  explicit: false
  by artist: Sonar Pocket
  in album: Sonar Pocket ~15th Anniversary~
    type: MusicAlbum
    date published: 2023-09-03
  isrc code: JPWP02300867
track: 花 - 2023 Remaster
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280216
  explicit: false
  by artist: Sonar Pocket
  in album: Sonar Pocket ~15th Anniversary~
    type: MusicAlbum
    date published: 2023-09-03
  isrc code: JPWP02300868
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T15:10:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce8da37578ff2476c6957ede44e9931673848c365352ff7102514c024e69d969
  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/1vRSJ8ZZnnOXEd7wEiV9Yc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1vRSJ8ZZnnOXEd7wEiV9Yc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xce8da37578ff2476c6957ede44e9931673848c365352ff7102514c024e69d969","isrc":"JPWP02300868","name":"花 - 2023 Remaster","registered_at":"2026-06-25T15:10:26Z","spotify_id":"1vRSJ8ZZnnOXEd7wEiV9Yc","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 0xce8da37578ff2476c6957ede44e9931673848c365352ff7102514c024e69d969. 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/1vRSJ8ZZnnOXEd7wEiV9Yc.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/1vRSJ8ZZnnOXEd7wEiV9Yc.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xce8da37578ff2476c6957ede44e9931673848c365352ff7102514c024e69d969","isrc":"JPWP02300868","name":"花 - 2023 Remaster","registered_at":"2026-06-25T15:10:26Z","spotify_id":"1vRSJ8ZZnnOXEd7wEiV9Yc","type":"track"}

好きだよ。～100回の後悔～ (15th Anniversary ver.)
type: MusicAlbum
date published: 2023-07-14
track: 好きだよ。～100回の後悔～ - 15th Anniversary ver.
  type: MusicRecording
  duration: PT5M23S
  duration ms: 323449
  explicit: false
  by artist: Sonar Pocket
  in album: 好きだよ。～100回の後悔～ (15th Anniversary ver.)
    type: MusicAlbum
    date published: 2023-07-14
  isrc code: JPWP02300865
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T10:37:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab
  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/0F5qtKmCOul1WLD9Co2FjZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0F5qtKmCOul1WLD9Co2FjZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab","isrc":"JPWP02300865","name":"好きだよ。～100回の後悔～ - 15th Anniversary ver.","registered_at":"2026-06-18T10:37:57Z","spotify_id":"0F5qtKmCOul1WLD9Co2FjZ","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 0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab. 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/0F5qtKmCOul1WLD9Co2FjZ.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/0F5qtKmCOul1WLD9Co2FjZ.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x4ddaa2e00e928d7ce80f34394a601b78eb067b19b983d22ffee398cca1c886ab","isrc":"JPWP02300865","name":"好きだよ。～100回の後悔～ - 15th Anniversary ver.","registered_at":"2026-06-18T10:37:57Z","spotify_id":"0F5qtKmCOul1WLD9Co2FjZ","type":"track"}

いつも一緒に (feat. 天野ひろゆき)
type: MusicAlbum
date published: 2023-03-24
track: いつも一緒に (feat. 天野ひろゆき)
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256168
  explicit: false
  by artist: Sonar Pocket
  by artist: 天野ひろゆき
  in album: いつも一緒に (feat. 天野ひろゆき)
    type: MusicAlbum
    date published: 2023-03-24
  isrc code: JPF702301801

熱波 DE サウナ
type: MusicAlbum
date published: 2023-03-17
track: 熱波 DE サウナ
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199000
  explicit: false
  by artist: Sonar Pocket
  in album: 熱波 DE サウナ
    type: MusicAlbum
    date published: 2023-03-17
  isrc code: JPWP02300141
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T12:00:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xffe17fbceaa6603ea47ad75e85016474fffaf934d5429ef9ecde351e04f501c6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 954130
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/954130
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4cWrJlDdYRlOCXR7S3hScT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4cWrJlDdYRlOCXR7S3hScT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T19:52:17Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xffe17fbceaa6603ea47ad75e85016474fffaf934d5429ef9ecde351e04f501c6","isrc":"JPWP02300141","name":"熱波 DE サウナ","registered_at":"2026-06-17T12:00:26Z","spotify_id":"4cWrJlDdYRlOCXR7S3hScT","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 0xffe17fbceaa6603ea47ad75e85016474fffaf934d5429ef9ecde351e04f501c6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:52:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4cWrJlDdYRlOCXR7S3hScT.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/4cWrJlDdYRlOCXR7S3hScT.
    date published: 2026-06-17T19:52:17Z
    text: {"copyright_id":"0xffe17fbceaa6603ea47ad75e85016474fffaf934d5429ef9ecde351e04f501c6","isrc":"JPWP02300141","name":"熱波 DE サウナ","registered_at":"2026-06-17T12:00:26Z","spotify_id":"4cWrJlDdYRlOCXR7S3hScT","type":"track"}

Hit the Road
type: MusicAlbum
date published: 2022-12-16
track: Hit the Road
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222200
  explicit: false
  by artist: Sonar Pocket
  in album: Hit the Road
    type: MusicAlbum
    date published: 2022-12-16
  isrc code: JPWP02202260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T05:54:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x972329de86b365632029063430472a01750032f5da5aa4ff3d6ec14d175fbd3f
  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/7iWECV4398gWtRLA1PnfdR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7iWECV4398gWtRLA1PnfdR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x972329de86b365632029063430472a01750032f5da5aa4ff3d6ec14d175fbd3f","isrc":"JPWP02202260","name":"Hit the Road","registered_at":"2026-06-25T05:54:03Z","spotify_id":"7iWECV4398gWtRLA1PnfdR","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 0x972329de86b365632029063430472a01750032f5da5aa4ff3d6ec14d175fbd3f. 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/7iWECV4398gWtRLA1PnfdR.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/7iWECV4398gWtRLA1PnfdR.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x972329de86b365632029063430472a01750032f5da5aa4ff3d6ec14d175fbd3f","isrc":"JPWP02202260","name":"Hit the Road","registered_at":"2026-06-25T05:54:03Z","spotify_id":"7iWECV4398gWtRLA1PnfdR","type":"track"}

ひだまりの君
type: MusicAlbum
date published: 2022-11-25
track: ひだまりの君
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301640
  explicit: false
  by artist: Sonar Pocket
  in album: ひだまりの君
    type: MusicAlbum
    date published: 2022-11-25
  isrc code: JPWP02202214

秋雨
type: MusicAlbum
date published: 2022-11-04
track: 秋雨
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216160
  explicit: false
  by artist: Sonar Pocket
  in album: 秋雨
    type: MusicAlbum
    date published: 2022-11-04
  isrc code: JPWP02201950
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T04:39:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6uTivhunCZQALJ5mtQhhM3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uTivhunCZQALJ5mtQhhM3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8","isrc":"JPWP02201950","name":"秋雨","registered_at":"2026-06-28T04:39:35Z","spotify_id":"6uTivhunCZQALJ5mtQhhM3","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 0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uTivhunCZQALJ5mtQhhM3.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/6uTivhunCZQALJ5mtQhhM3.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8","isrc":"JPWP02201950","name":"秋雨","registered_at":"2026-06-28T04:39:35Z","spotify_id":"6uTivhunCZQALJ5mtQhhM3","type":"track"}

エンドロール
type: MusicAlbum
date published: 2022-10-14
track: エンドロール
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249240
  explicit: false
  by artist: Sonar Pocket
  in album: エンドロール
    type: MusicAlbum
    date published: 2022-10-14
  isrc code: JPWP02201774
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T16:46:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x63fd18e501e423184e5419955e9e1cd5e204367dad53cbc22922cca3cb462cab
  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/3KKqGqWEouXWmQTTyPNY8l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KKqGqWEouXWmQTTyPNY8l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x63fd18e501e423184e5419955e9e1cd5e204367dad53cbc22922cca3cb462cab","isrc":"JPWP02201774","name":"エンドロール","registered_at":"2026-06-21T16:46:00Z","spotify_id":"3KKqGqWEouXWmQTTyPNY8l","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 0x63fd18e501e423184e5419955e9e1cd5e204367dad53cbc22922cca3cb462cab. 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/3KKqGqWEouXWmQTTyPNY8l.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/3KKqGqWEouXWmQTTyPNY8l.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x63fd18e501e423184e5419955e9e1cd5e204367dad53cbc22922cca3cb462cab","isrc":"JPWP02201774","name":"エンドロール","registered_at":"2026-06-21T16:46:00Z","spotify_id":"3KKqGqWEouXWmQTTyPNY8l","type":"track"}

っていうか、ずっとね
type: MusicAlbum
date published: 2022-09-23
track: っていうか、ずっとね
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227950
  explicit: false
  by artist: Sonar Pocket
  in album: っていうか、ずっとね
    type: MusicAlbum
    date published: 2022-09-23
  isrc code: JPWP02201624
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T20:28:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6d8bb74c59ee7ec376cb0794ef7cf61e054fc315cd94d249168260da769f368f
  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/0MR0xYbngKIv7na2CNmLEz.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0MR0xYbngKIv7na2CNmLEz
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6d8bb74c59ee7ec376cb0794ef7cf61e054fc315cd94d249168260da769f368f","isrc":"JPWP02201624","name":"っていうか、ずっとね","registered_at":"2026-06-21T20:28:49Z","spotify_id":"0MR0xYbngKIv7na2CNmLEz","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 0x6d8bb74c59ee7ec376cb0794ef7cf61e054fc315cd94d249168260da769f368f. 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/0MR0xYbngKIv7na2CNmLEz.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/0MR0xYbngKIv7na2CNmLEz.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x6d8bb74c59ee7ec376cb0794ef7cf61e054fc315cd94d249168260da769f368f","isrc":"JPWP02201624","name":"っていうか、ずっとね","registered_at":"2026-06-21T20:28:49Z","spotify_id":"0MR0xYbngKIv7na2CNmLEz","type":"track"}

あれからずっと
type: MusicAlbum
date published: 2022-09-02
track: あれからずっと
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193293
  explicit: false
  by artist: Sonar Pocket
  in album: あれからずっと
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: JPWP02201300

花火
type: MusicAlbum
date published: 2022-08-12
track: 花火
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217453
  explicit: false
  by artist: Sonar Pocket
  in album: 花火
    type: MusicAlbum
    date published: 2022-08-12
  isrc code: JPWP02201247

夏中毒
type: MusicAlbum
date published: 2022-07-22
track: 夏中毒
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230386
  explicit: false
  by artist: Sonar Pocket
  in album: 夏中毒
    type: MusicAlbum
    date published: 2022-07-22
  isrc code: JPWP02201129

Reborn
type: MusicAlbum
date published: 2022-07-01
track: Reborn
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244798
  explicit: false
  by artist: Sonar Pocket
  in album: Reborn
    type: MusicAlbum
    date published: 2022-07-01
  isrc code: JPWP02200954

いつも一緒に
type: MusicAlbum
date published: 2022-06-13
track: いつも一緒に
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257768
  explicit: false
  by artist: Sonar Pocket
  in album: いつも一緒に
    type: MusicAlbum
    date published: 2022-06-13
  isrc code: JPF702200901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T03:11:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc54488e49a33c764bfee629813667b20a8c37a473563ee5e1932ff6097456970
  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/1PTSv6VkM1rxruJUoMxdaR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1PTSv6VkM1rxruJUoMxdaR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc54488e49a33c764bfee629813667b20a8c37a473563ee5e1932ff6097456970","isrc":"JPF702200901","name":"いつも一緒に","registered_at":"2026-06-24T03:11:12Z","spotify_id":"1PTSv6VkM1rxruJUoMxdaR","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 0xc54488e49a33c764bfee629813667b20a8c37a473563ee5e1932ff6097456970. 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/1PTSv6VkM1rxruJUoMxdaR.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/1PTSv6VkM1rxruJUoMxdaR.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xc54488e49a33c764bfee629813667b20a8c37a473563ee5e1932ff6097456970","isrc":"JPF702200901","name":"いつも一緒に","registered_at":"2026-06-24T03:11:12Z","spotify_id":"1PTSv6VkM1rxruJUoMxdaR","type":"track"}

忘れることなんて出来ないや
type: MusicAlbum
date published: 2021-01-29
track: 忘れることなんて出来ないや
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216243
  explicit: false
  by artist: Sonar Pocket
  in album: 忘れることなんて出来ないや
    type: MusicAlbum
    date published: 2021-01-29
  isrc code: JPWP02071320
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T17:32:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d
  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/03YQIXzCzU7VEyLCWhmQlT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03YQIXzCzU7VEyLCWhmQlT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"03YQIXzCzU7VEyLCWhmQlT","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 0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d. 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/03YQIXzCzU7VEyLCWhmQlT.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/03YQIXzCzU7VEyLCWhmQlT.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"03YQIXzCzU7VEyLCWhmQlT","type":"track"}

80億分の1
type: MusicAlbum
date published: 2021-01-08
track: 80億分の1
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254613
  explicit: false
  by artist: Sonar Pocket
  in album: 80億分の1
    type: MusicAlbum
    date published: 2021-01-08
  isrc code: JPWP02071321
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T03:28:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5XbznrhGMTmXFcSipxKGq1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XbznrhGMTmXFcSipxKGq1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"5XbznrhGMTmXFcSipxKGq1","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 0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XbznrhGMTmXFcSipxKGq1.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/5XbznrhGMTmXFcSipxKGq1.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"5XbznrhGMTmXFcSipxKGq1","type":"track"}

大切な人へ
type: MusicAlbum
date published: 2020-07-24
track: 大切な人へ
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251739
  explicit: false
  by artist: Sonar Pocket
  in album: 大切な人へ
    type: MusicAlbum
    date published: 2020-07-24
  isrc code: JPWP02000535
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T10:39:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf
  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/6EGlp3Uiw1hXEstzc8PA80.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EGlp3Uiw1hXEstzc8PA80
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf","isrc":"JPWP02000535","name":"大切な人へ","registered_at":"2026-06-18T10:39:58Z","spotify_id":"6EGlp3Uiw1hXEstzc8PA80","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 0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf. 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/6EGlp3Uiw1hXEstzc8PA80.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/6EGlp3Uiw1hXEstzc8PA80.
    date published: 2026-07-02T03:30:09Z
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もう直接言うことはできないから、こうして歌にして届けようとしてる。
type: MusicAlbum
date published: 2020-03-14
track: もう直接言うことはできないから、こうして歌にして届けようとしてる。
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  duration: PT4M40S
  duration ms: 280449
  explicit: false
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  in album: もう直接言うことはできないから、こうして歌にして届けようとしてる。
    type: MusicAlbum
    date published: 2020-03-14
  isrc code: JPWP02000099

Oh difficult (with GFRIEND)
type: MusicAlbum
date published: 2019-07-03
track: Oh difficult (with GFRIEND)
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254656
  explicit: false
  by artist: Sonar Pocket
  by artist: GFRIEND
  in album: Oh difficult (with GFRIEND)
    type: MusicAlbum
    date published: 2019-07-03
  isrc code: JPWP01970412
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T21:44:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0BpqTzlEEWZKC3fqIvoVus.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0BpqTzlEEWZKC3fqIvoVus
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"0BpqTzlEEWZKC3fqIvoVus","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 0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BpqTzlEEWZKC3fqIvoVus.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/0BpqTzlEEWZKC3fqIvoVus.
    date published: 2026-07-06T07:16:32Z
    text: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"0BpqTzlEEWZKC3fqIvoVus","type":"track"}
track: SUN of THE SUN
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224684
  explicit: false
  by artist: Sonar Pocket
  in album: Oh difficult (with GFRIEND)
    type: MusicAlbum
    date published: 2019-07-03
  isrc code: JPWP01970413
track: TOP OF THE WORLD
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249280
  explicit: false
  by artist: Sonar Pocket
  in album: Oh difficult (with GFRIEND)
    type: MusicAlbum
    date published: 2019-07-03
  isrc code: JPWP01970414

好き
type: MusicAlbum
date published: 2019-04-05
track: 好き
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265203
  explicit: false
  by artist: Sonar Pocket
  in album: 好き
    type: MusicAlbum
    date published: 2019-04-05
  isrc code: JPWP01970099
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T13:12:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2
  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/1XTiQphPAo7Hz0sf3cyzYO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XTiQphPAo7Hz0sf3cyzYO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"1XTiQphPAo7Hz0sf3cyzYO","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 0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2. 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/1XTiQphPAo7Hz0sf3cyzYO.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/1XTiQphPAo7Hz0sf3cyzYO.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"1XTiQphPAo7Hz0sf3cyzYO","type":"track"}
track: Come on! Come on!
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247222
  explicit: false
  by artist: Sonar Pocket
  in album: 好き
    type: MusicAlbum
    date published: 2019-04-05
  isrc code: JPWP01970100
track: GLORIA
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224150
  explicit: false
  by artist: Sonar Pocket
  in album: 好き
    type: MusicAlbum
    date published: 2019-04-05

GLORIA
type: MusicAlbum
date published: 2019-02-15
track: GLORIA
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224150
  explicit: false
  by artist: Sonar Pocket
  in album: GLORIA
    type: MusicAlbum
    date published: 2019-02-15
  isrc code: JPWP01970024

baby baby
type: MusicAlbum
date published: 2018-09-26
track: baby baby
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227150
  explicit: false
  by artist: Sonar Pocket
  in album: baby baby
    type: MusicAlbum
    date published: 2018-09-26
  isrc code: JPWP01871244

君の名前
type: MusicAlbum
date published: 2018-09-04
track: 君の名前
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  duration: PT4M50S
  duration ms: 290532
  explicit: false
  by artist: Sonar Pocket
  in album: 君の名前
    type: MusicAlbum
    date published: 2018-09-04
  isrc code: JPWP01870872
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4AwQ3Ivwz1i9SPj2XwbRBS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4AwQ3Ivwz1i9SPj2XwbRBS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"4AwQ3Ivwz1i9SPj2XwbRBS","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 0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae. 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/4AwQ3Ivwz1i9SPj2XwbRBS.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/4AwQ3Ivwz1i9SPj2XwbRBS.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"4AwQ3Ivwz1i9SPj2XwbRBS","type":"track"}
track: Reunion
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  duration: PT4M10S
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  explicit: false
  by artist: Sonar Pocket
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    type: MusicAlbum
    date published: 2018-09-04
track: 君の名前 - Instrumental
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290518
  explicit: false
  by artist: Sonar Pocket
  in album: 君の名前
    type: MusicAlbum
    date published: 2018-09-04
track: Reunion - Instrumental
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248807
  explicit: false
  by artist: Sonar Pocket
  in album: 君の名前
    type: MusicAlbum
    date published: 2018-09-04

やばば
type: MusicAlbum
date published: 2018-06-27
track: やばば
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  duration: PT4M25S
  duration ms: 265026
  explicit: false
  by artist: Sonar Pocket
  in album: やばば
    type: MusicAlbum
    date published: 2018-06-27
  isrc code: JPWP01870467
track: Be Alright
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209280
  explicit: false
  by artist: Sonar Pocket
  in album: やばば
    type: MusicAlbum
    date published: 2018-06-27
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T05:54:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/52yWOFm4ma8bS3I5TFdi9w.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/52yWOFm4ma8bS3I5TFdi9w
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"52yWOFm4ma8bS3I5TFdi9w","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 0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f. 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/52yWOFm4ma8bS3I5TFdi9w.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/52yWOFm4ma8bS3I5TFdi9w.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"52yWOFm4ma8bS3I5TFdi9w","type":"track"}
track: やばば - Instrumental
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  duration: PT4M25S
  duration ms: 265026
  explicit: false
  by artist: Sonar Pocket
  in album: やばば
    type: MusicAlbum
    date published: 2018-06-27
track: Be Alright - Instrumental
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  duration: PT3M27S
  duration ms: 207786
  explicit: false
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    type: MusicAlbum
    date published: 2018-06-27

108〜永遠〜
type: MusicAlbum
date published: 2018-03-28
track: 108〜永遠〜
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332482
  explicit: false
  by artist: Sonar Pocket
  in album: 108〜永遠〜
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPWP01870054
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:13:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3uP7rA22EnRgofkDSlwGGk.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uP7rA22EnRgofkDSlwGGk
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"3uP7rA22EnRgofkDSlwGGk","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 0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb. 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/3uP7rA22EnRgofkDSlwGGk.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/3uP7rA22EnRgofkDSlwGGk.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"3uP7rA22EnRgofkDSlwGGk","type":"track"}
track: Precious
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258453
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    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPWP01870055
track: 108〜永遠〜 - Instrumental
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  duration ms: 332361
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  by artist: Sonar Pocket
  in album: 108〜永遠〜
    type: MusicAlbum
    date published: 2018-03-28
track: Precious - Instrumental
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  duration: PT4M19S
  duration ms: 259081
  explicit: false
  by artist: Sonar Pocket
  in album: 108〜永遠〜
    type: MusicAlbum
    date published: 2018-03-28

涙雪
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date published: 2017-11-29
track: 涙雪
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  duration: PT4M31S
  duration ms: 271257
  explicit: false
  by artist: Sonar Pocket
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    type: MusicAlbum
    date published: 2017-11-29
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSRecordURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73Z6iwu8trAYabQG6MKr7m
  additional property: OTSTimestamp
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  additional property: OTSCanonicalRecord
    type: PropertyValue
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  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 0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05. 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/73Z6iwu8trAYabQG6MKr7m.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/73Z6iwu8trAYabQG6MKr7m.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xc19db8cf72eec67b6dec1b5a60dd0252a43ef30733918cdf2472171d6aa17f05","isrc":"JPWP01772267","name":"涙雪","registered_at":"2026-06-19T03:48:38Z","spotify_id":"73Z6iwu8trAYabQG6MKr7m","type":"track"}
track: Reload
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261660
  explicit: false
  by artist: Sonar Pocket
  in album: 涙雪
    type: MusicAlbum
    date published: 2017-11-29
  isrc code: JPWP01772268
track: 涙雪 - Instrumental
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271720
  explicit: false
  by artist: Sonar Pocket
  in album: 涙雪
    type: MusicAlbum
    date published: 2017-11-29
track: Reload - Instrumental
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261095
  explicit: false
  by artist: Sonar Pocket
  in album: 涙雪
    type: MusicAlbum
    date published: 2017-11-29

段々男女物語
type: MusicAlbum
date published: 2017-07-12
track: 段々男女物語
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200573
  explicit: false
  by artist: Sonar Pocket
  in album: 段々男女物語
    type: MusicAlbum
    date published: 2017-07-12
  isrc code: JPWP01771250
track: イニシアチブ
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176026
  explicit: false
  by artist: Sonar Pocket
  in album: 段々男女物語
    type: MusicAlbum
    date published: 2017-07-12
  isrc code: JPWP01771251
track: 段々男女物語 - Instrumental
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201040
  explicit: false
  by artist: Sonar Pocket
  in album: 段々男女物語
    type: MusicAlbum
    date published: 2017-07-12
track: イニシアチブ - Instrumental
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176040
  explicit: false
  by artist: Sonar Pocket
  in album: 段々男女物語
    type: MusicAlbum
    date published: 2017-07-12

一生一瞬
type: MusicAlbum
date published: 2017-04-26
track: 一生一瞬
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334974
  explicit: false
  by artist: Sonar Pocket
  in album: 一生一瞬
    type: MusicAlbum
    date published: 2017-04-26
  isrc code: JPWPO1770238
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T03:47:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4
  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/7Cf4Doe776SYHJ2Rirx0IS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Cf4Doe776SYHJ2Rirx0IS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4","isrc":"JPWPO1770238","name":"一生一瞬","registered_at":"2026-06-09T03:47:37Z","spotify_id":"7Cf4Doe776SYHJ2Rirx0IS","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 0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4. 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/7Cf4Doe776SYHJ2Rirx0IS.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/7Cf4Doe776SYHJ2Rirx0IS.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x7a5af7a29761bfac245b6c6174bb211b72b46f0a893d555a2f6fa380fe3766d4","isrc":"JPWPO1770238","name":"一生一瞬","registered_at":"2026-06-09T03:47:37Z","spotify_id":"7Cf4Doe776SYHJ2Rirx0IS","type":"track"}
track: LA LA LOVE
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209676
  explicit: false
  by artist: Sonar Pocket
  in album: 一生一瞬
    type: MusicAlbum
    date published: 2017-04-26
  isrc code: JPWPO1770239
track: 一生一瞬 - Instrumental
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335500
  explicit: false
  by artist: Sonar Pocket
  in album: 一生一瞬
    type: MusicAlbum
    date published: 2017-04-26
track: LA LA LOVE - Instrumental
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209663
  explicit: false
  by artist: Sonar Pocket
  in album: 一生一瞬
    type: MusicAlbum
    date published: 2017-04-26
track: 一生一瞬 - Acoustic ver.
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342266
  explicit: false
  by artist: Sonar Pocket
  in album: 一生一瞬
    type: MusicAlbum
    date published: 2017-04-26

秋雨
type: MusicRecording
duration: PT3M36S
duration ms: 216160
explicit: false
by artist: Sonar Pocket
in album: 秋雨
  type: MusicAlbum
  date published: 2022-11-04
isrc code: JPWP02201950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T04:39:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6uTivhunCZQALJ5mtQhhM3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uTivhunCZQALJ5mtQhhM3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8","isrc":"JPWP02201950","name":"秋雨","registered_at":"2026-06-28T04:39:35Z","spotify_id":"6uTivhunCZQALJ5mtQhhM3","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 0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uTivhunCZQALJ5mtQhhM3.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/6uTivhunCZQALJ5mtQhhM3.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0x12a0c781cf98e2cb22bed3ff9f053d4d5ebcd219442069ebe232f85bcad468f8","isrc":"JPWP02201950","name":"秋雨","registered_at":"2026-06-28T04:39:35Z","spotify_id":"6uTivhunCZQALJ5mtQhhM3","type":"track"}

大切な人へ
type: MusicRecording
duration: PT4M11S
duration ms: 251739
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02000535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T10:39:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf
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/1WBmgrQXFtKQ515hgYYufn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1WBmgrQXFtKQ515hgYYufn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf","isrc":"JPWP02000535","name":"大切な人へ","registered_at":"2026-06-18T10:39:58Z","spotify_id":"1WBmgrQXFtKQ515hgYYufn","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 0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf. 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/1WBmgrQXFtKQ515hgYYufn.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/1WBmgrQXFtKQ515hgYYufn.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0212cab0412ddf576d6a6d9f2764e092ee494f54f806856bd16c39e9055091cf","isrc":"JPWP02000535","name":"大切な人へ","registered_at":"2026-06-18T10:39:58Z","spotify_id":"1WBmgrQXFtKQ515hgYYufn","type":"track"}

輝け僕らの魂
type: MusicRecording
duration: PT3M58S
duration ms: 238269
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071315
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:28:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3
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/4GhsjKu9KvGrEnmHBoTOie.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4GhsjKu9KvGrEnmHBoTOie
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3","isrc":"JPWP02071315","name":"輝け僕らの魂","registered_at":"2026-06-25T05:28:07Z","spotify_id":"4GhsjKu9KvGrEnmHBoTOie","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 0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3. 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/4GhsjKu9KvGrEnmHBoTOie.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/4GhsjKu9KvGrEnmHBoTOie.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xc0e625628e28f44e48d408b8fceab560078b04a1f8e891871b3fc33e916b3af3","isrc":"JPWP02071315","name":"輝け僕らの魂","registered_at":"2026-06-25T05:28:07Z","spotify_id":"4GhsjKu9KvGrEnmHBoTOie","type":"track"}

好き
type: MusicRecording
duration: PT4M25S
duration ms: 265203
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP01970099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T13:12:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6ywfEeK8gFUkkpgIreETqe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ywfEeK8gFUkkpgIreETqe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"6ywfEeK8gFUkkpgIreETqe","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 0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ywfEeK8gFUkkpgIreETqe.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/6ywfEeK8gFUkkpgIreETqe.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x95eda8ac60b1654a7693f65f9b586dd7a209158cf412fd3de18c909a764d95d2","isrc":"JPWP01970099","name":"好き","registered_at":"2026-06-26T13:12:37Z","spotify_id":"6ywfEeK8gFUkkpgIreETqe","type":"track"}

Oh difficult (with GFRIEND)
type: MusicRecording
duration: PT4M14S
duration ms: 254656
explicit: false
by artist: Sonar Pocket
by artist: GFRIEND
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP01970412
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T21:44:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b
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/3ZOW8pTzRyLJUpnHTJwhvJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ZOW8pTzRyLJUpnHTJwhvJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"3ZOW8pTzRyLJUpnHTJwhvJ","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 0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b. 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/3ZOW8pTzRyLJUpnHTJwhvJ.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/3ZOW8pTzRyLJUpnHTJwhvJ.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x8e5817161e603c3fd2141b67c806500da3e935d3e5bd7b1e8a6559bc7698217b","isrc":"JPWP01970412","name":"Oh difficult (with GFRIEND)","registered_at":"2026-06-22T21:44:15Z","spotify_id":"3ZOW8pTzRyLJUpnHTJwhvJ","type":"track"}

過ぎ去りし時は僕らの中に
type: MusicRecording
duration: PT4M28S
duration ms: 268118
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071316

拝啓、元恋人
type: MusicRecording
duration: PT4M58S
duration ms: 298160
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071317

静かな夜空であなたと繋がった
type: MusicRecording
duration: PT4M15S
duration ms: 255583
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071318

もう直接言うことはできないから、こうして歌にして届けようとしてる。
type: MusicRecording
duration: PT4M40S
duration ms: 280449
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02000099

大本命
type: MusicRecording
duration: PT4M3S
duration ms: 243896
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071319

忘れることなんて出来ないや
type: MusicRecording
duration: PT3M36S
duration ms: 216243
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T17:32:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d
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/0Ah8l43uC3G1eXgnZwXwDH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ah8l43uC3G1eXgnZwXwDH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"0Ah8l43uC3G1eXgnZwXwDH","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 0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d. 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/0Ah8l43uC3G1eXgnZwXwDH.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/0Ah8l43uC3G1eXgnZwXwDH.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x5d014cf2f8728defa84972f8015ba8a4e637d22d1574903337f8383833123d0d","isrc":"JPWP02071320","name":"忘れることなんて出来ないや","registered_at":"2026-06-22T17:32:02Z","spotify_id":"0Ah8l43uC3G1eXgnZwXwDH","type":"track"}

80億分の1
type: MusicRecording
duration: PT4M14S
duration ms: 254613
explicit: false
by artist: Sonar Pocket
in album: 80億分の1 〜to you〜
  type: MusicAlbum
  date published: 2021-02-10
isrc code: JPWP02071321
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T03:28:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087
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/1kYxOjicEtigKntuZJqxY4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kYxOjicEtigKntuZJqxY4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"1kYxOjicEtigKntuZJqxY4","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 0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087. 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/1kYxOjicEtigKntuZJqxY4.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/1kYxOjicEtigKntuZJqxY4.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x0deb32fd5838532664f820d866d123b2b3934ad85af7bd23bdfe4e690bc57087","isrc":"JPWP02071321","name":"80億分の1","registered_at":"2026-06-19T03:28:33Z","spotify_id":"1kYxOjicEtigKntuZJqxY4","type":"track"}

Phoenix
type: MusicRecording
duration: PT3M44S
duration ms: 224306
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871243

やばば
type: MusicRecording
duration: PT4M25S
duration ms: 265026
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01870467

108〜永遠〜
type: MusicRecording
duration: PT5M32S
duration ms: 332482
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01870054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T00:13:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb
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/5p3nhvqqPLYThUnYTfzUYX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p3nhvqqPLYThUnYTfzUYX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"5p3nhvqqPLYThUnYTfzUYX","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 0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb. 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/5p3nhvqqPLYThUnYTfzUYX.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/5p3nhvqqPLYThUnYTfzUYX.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xd6b5596b2adb260fb08adefbc4d574771970d7d78fc1c17ce614e75aa2a665fb","isrc":"JPWP01870054","name":"108〜永遠〜","registered_at":"2026-06-10T00:13:34Z","spotify_id":"5p3nhvqqPLYThUnYTfzUYX","type":"track"}

baby baby
type: MusicRecording
duration: PT3M47S
duration ms: 227150
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871244

君の名前
type: MusicRecording
duration: PT4M50S
duration ms: 290532
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01870872
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T18:01:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae
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/33EUFp0NESYz46nWZUMDja.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/33EUFp0NESYz46nWZUMDja
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"33EUFp0NESYz46nWZUMDja","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 0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae. 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/33EUFp0NESYz46nWZUMDja.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/33EUFp0NESYz46nWZUMDja.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xfff19f80f1e830c2b1be58205821ce42212473a52d77e4bc1ccb327f00bb9bae","isrc":"JPWP01870872","name":"君の名前","registered_at":"2026-06-20T18:01:03Z","spotify_id":"33EUFp0NESYz46nWZUMDja","type":"track"}

Be Alright
type: MusicRecording
duration: PT3M29S
duration ms: 209280
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01870468
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:54:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f
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/1GeO07UBEPxcMUAoZMCAJj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GeO07UBEPxcMUAoZMCAJj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"1GeO07UBEPxcMUAoZMCAJj","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 0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f. 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/1GeO07UBEPxcMUAoZMCAJj.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/1GeO07UBEPxcMUAoZMCAJj.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x346f9ce9719a80b71c9316d2cbfa21441b30d7d9684eab1d48576c8faacf883f","isrc":"JPWP01870468","name":"Be Alright","registered_at":"2026-06-25T05:54:05Z","spotify_id":"1GeO07UBEPxcMUAoZMCAJj","type":"track"}

青
type: MusicRecording
duration: PT4M12S
duration ms: 252963
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871245
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T04:36:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ZeP94fYH0MWT8HxdjkqFb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZeP94fYH0MWT8HxdjkqFb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694","isrc":"JPWP01871245","name":"青","registered_at":"2026-06-28T04:36:43Z","spotify_id":"2ZeP94fYH0MWT8HxdjkqFb","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 0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZeP94fYH0MWT8HxdjkqFb.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/2ZeP94fYH0MWT8HxdjkqFb.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0x85f66674f548847576b4fcdec632b26adac147303dee33492de9763ff7f4d694","isrc":"JPWP01871245","name":"青","registered_at":"2026-06-28T04:36:43Z","spotify_id":"2ZeP94fYH0MWT8HxdjkqFb","type":"track"}

顔晴れ
type: MusicRecording
duration: PT4M43S
duration ms: 283175
explicit: false
by artist: Sonar Pocket
in album: flower
  type: MusicAlbum
  date published: 2018-10-10
isrc code: JPWP01871246