My Hair is Bad
type: MusicGroup
genre: j-pop
genre: j-rock
popularity: 57
followers: 349640
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e0757bd62f33c6cdf7b11515213eb588e0616452c6f7cbae94edfab5fc2f2a1
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/c6cff06c-792d-4510-a467-904ef5f02070.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6cff06c-792d-4510-a467-904ef5f02070.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6cff06c-792d-4510-a467-904ef5f02070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
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. 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 0x4e0757bd62f33c6cdf7b11515213eb588e0616452c6f7cbae94edfab5fc2f2a1. 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/c6cff06c-792d-4510-a467-904ef5f02070.json and https://artists.proofprofile.net/proofs/artist/c6cff06c-792d-4510-a467-904ef5f02070.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
  track: 一母八花
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194946
    explicit: false
    by artist: My Hair is Bad
    in album: ghosts
      type: MusicAlbum
      date published: 2024-07-31
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-06-06T02:35:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/2qrCfVW3ebkJmUfGCDPnrc.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qrCfVW3ebkJmUfGCDPnrc
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    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 0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16. 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/2qrCfVW3ebkJmUfGCDPnrc.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/2qrCfVW3ebkJmUfGCDPnrc.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16","isrc":"JPPO02402879","name":"一母八花","registered_at":"2026-06-06T02:35:36Z","spotify_id":"2qrCfVW3ebkJmUfGCDPnrc","type":"track"}
  track: 鳩かもめ
    type: MusicRecording
    duration: PT3M42S
    duration ms: 222920
    explicit: false
    by artist: My Hair is Bad
    in album: ghosts
      type: MusicAlbum
      date published: 2024-07-31
    isrc code: JPPO02402880
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T11:44:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953513
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/5MDNqw45RsQgsZez7vz3vi.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MDNqw45RsQgsZez7vz3vi
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
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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 0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MDNqw45RsQgsZez7vz3vi.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/5MDNqw45RsQgsZez7vz3vi.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27","isrc":"JPPO02402880","name":"鳩かもめ","registered_at":"2026-06-05T11:44:07Z","spotify_id":"5MDNqw45RsQgsZez7vz3vi","type":"track"}
  track: 悲劇のヒロイン
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229026
    explicit: false
    by artist: My Hair is Bad
    in album: ghosts
      type: MusicAlbum
      date published: 2024-07-31
    isrc code: JPPO02400165
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T12:28:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332
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    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/62iKqxfZmDzDxYXBaGLSce.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62iKqxfZmDzDxYXBaGLSce
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    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 0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332. 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/62iKqxfZmDzDxYXBaGLSce.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/62iKqxfZmDzDxYXBaGLSce.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"62iKqxfZmDzDxYXBaGLSce","type":"track"}
  track: 自由とヒステリー
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200360
    explicit: false
    by artist: My Hair is Bad
    in album: ghosts
      type: MusicAlbum
      date published: 2024-07-31
    isrc code: JPPO02400166
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T05:48:27+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: あかり
  track: 結婚しようよ
  track: 太陽
  track: ペガサス
  track: ぶっこむ.com
  track: 星に願いを
  track: 猫の耳
  track: 時代
  track: 思い出をかけぬけて
album: angels
album: boys
album: mothers
album: woman’s
album: 思い出をかけぬけて
album: 太陽
album: 自由とヒステリー
album: 悲劇のヒロイン
album: 瞳にめざめて
album: 歓声をさがして
album: カモフラージュ
album: love
album: life
album: hadaka e.p.
album: 運命 / 幻
album: 時代をあつめて
album: もしも生まれ変わったならそっとこんな声になって
album: ELLEGARDEN TRIBUTE
album: 秋のラブソング
album: Morning Breeze - 朝に聴きたいJ-POP -
track: ただ
track: 最愛の果て
track: 思い出をかけぬけて
track: 悲劇のヒロイン
track: 瞳にめざめて
track: 歓声をさがして
track: 自由とヒステリー
track: 太陽
track: 戦争を知らない大人たち
track: 悪口たち
track: 卒業
track: 金星
track: 一母八花
track: 鳩かもめ
track: あかり
track: 結婚しようよ
track: ペガサス

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4DCYwyMTi2CdULobzKGLrO.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DCYwyMTi2CdULobzKGLrO

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"4DCYwyMTi2CdULobzKGLrO","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 0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6. 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/4DCYwyMTi2CdULobzKGLrO.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/4DCYwyMTi2CdULobzKGLrO.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"4DCYwyMTi2CdULobzKGLrO","type":"track"}

あかり
type: MusicRecording
duration: PT4M3S
duration ms: 243160
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:00:34+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2oipHzDeGgciwQxmEEAne5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oipHzDeGgciwQxmEEAne5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601","isrc":"JPPO02402881","name":"あかり","registered_at":"2026-06-04T12:00:34Z","spotify_id":"2oipHzDeGgciwQxmEEAne5","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 0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oipHzDeGgciwQxmEEAne5.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/2oipHzDeGgciwQxmEEAne5.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601","isrc":"JPPO02402881","name":"あかり","registered_at":"2026-06-04T12:00:34Z","spotify_id":"2oipHzDeGgciwQxmEEAne5","type":"track"}

結婚しようよ
type: MusicRecording
duration: PT4M57S
duration ms: 297613
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402882
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:42:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1cfWhvajLAaRQ0w8G1b7Fi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cfWhvajLAaRQ0w8G1b7Fi
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 0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1cfWhvajLAaRQ0w8G1b7Fi.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/1cfWhvajLAaRQ0w8G1b7Fi.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9","isrc":"JPPO02402882","name":"結婚しようよ","registered_at":"2026-06-04T14:42:21Z","spotify_id":"1cfWhvajLAaRQ0w8G1b7Fi","type":"track"}

太陽
type: MusicRecording
duration: PT4M26S
duration ms: 266400
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02400665
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:06:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2MOVzm9mBzUsI7aylTyrzi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MOVzm9mBzUsI7aylTyrzi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"2MOVzm9mBzUsI7aylTyrzi","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 0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MOVzm9mBzUsI7aylTyrzi.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/2MOVzm9mBzUsI7aylTyrzi.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"2MOVzm9mBzUsI7aylTyrzi","type":"track"}

ペガサス
type: MusicRecording
duration: PT1M54S
duration ms: 114093
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402883
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:41:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1GDl4i2OCCPmuaOLK8jsk6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GDl4i2OCCPmuaOLK8jsk6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046","isrc":"JPPO02402883","name":"ペガサス","registered_at":"2026-06-07T18:41:25Z","spotify_id":"1GDl4i2OCCPmuaOLK8jsk6","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 0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GDl4i2OCCPmuaOLK8jsk6.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/1GDl4i2OCCPmuaOLK8jsk6.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046","isrc":"JPPO02402883","name":"ペガサス","registered_at":"2026-06-07T18:41:25Z","spotify_id":"1GDl4i2OCCPmuaOLK8jsk6","type":"track"}

ぶっこむ.com
type: MusicRecording
duration: PT3M9S
duration ms: 189346
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402884
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:43:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa431b5f4d2b5fb30948ebd07b4cec6547547ff31ceddf2160315cfd1a10fd1e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5CA5DCZyfd6DLcWecBw8As.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5CA5DCZyfd6DLcWecBw8As
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa431b5f4d2b5fb30948ebd07b4cec6547547ff31ceddf2160315cfd1a10fd1e4","isrc":"JPPO02402884","name":"ぶっこむ.com","registered_at":"2026-06-07T11:43:11Z","spotify_id":"5CA5DCZyfd6DLcWecBw8As","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 0xa431b5f4d2b5fb30948ebd07b4cec6547547ff31ceddf2160315cfd1a10fd1e4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5CA5DCZyfd6DLcWecBw8As.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/5CA5DCZyfd6DLcWecBw8As.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa431b5f4d2b5fb30948ebd07b4cec6547547ff31ceddf2160315cfd1a10fd1e4","isrc":"JPPO02402884","name":"ぶっこむ.com","registered_at":"2026-06-07T11:43:11Z","spotify_id":"5CA5DCZyfd6DLcWecBw8As","type":"track"}

星に願いを
type: MusicRecording
duration: PT3M3S
duration ms: 183160
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402885
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T07:58:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a28ad0bf86ba94f8591af27b29ca59ff899ebb2c4489c6d898b133305a65484
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6r23OKQSU3iSw2simjFI0B.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6r23OKQSU3iSw2simjFI0B
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3a28ad0bf86ba94f8591af27b29ca59ff899ebb2c4489c6d898b133305a65484","isrc":"JPPO02402885","name":"星に願いを","registered_at":"2026-06-05T07:58:11Z","spotify_id":"6r23OKQSU3iSw2simjFI0B","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 0x3a28ad0bf86ba94f8591af27b29ca59ff899ebb2c4489c6d898b133305a65484. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6r23OKQSU3iSw2simjFI0B.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/6r23OKQSU3iSw2simjFI0B.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x3a28ad0bf86ba94f8591af27b29ca59ff899ebb2c4489c6d898b133305a65484","isrc":"JPPO02402885","name":"星に願いを","registered_at":"2026-06-05T07:58:11Z","spotify_id":"6r23OKQSU3iSw2simjFI0B","type":"track"}

猫の耳
type: MusicRecording
duration: PT4M42S
duration ms: 282266
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402886
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:40:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4eed9943242517b4d274aebbb534f2f8b6088adda73892ca88b57ddf3c13e03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5K6bWqLKM4k1FZyWjvNbao.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5K6bWqLKM4k1FZyWjvNbao
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa4eed9943242517b4d274aebbb534f2f8b6088adda73892ca88b57ddf3c13e03","isrc":"JPPO02402886","name":"猫の耳","registered_at":"2026-06-07T18:40:11Z","spotify_id":"5K6bWqLKM4k1FZyWjvNbao","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 0xa4eed9943242517b4d274aebbb534f2f8b6088adda73892ca88b57ddf3c13e03. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5K6bWqLKM4k1FZyWjvNbao.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/5K6bWqLKM4k1FZyWjvNbao.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa4eed9943242517b4d274aebbb534f2f8b6088adda73892ca88b57ddf3c13e03","isrc":"JPPO02402886","name":"猫の耳","registered_at":"2026-06-07T18:40:11Z","spotify_id":"5K6bWqLKM4k1FZyWjvNbao","type":"track"}

時代
type: MusicRecording
duration: PT4M44S
duration ms: 284733
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402887
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:45:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4793a3f5d8507077481d3365029de3bd9953f706e7da1f38a89303d0cd004336
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4TOFPGQv4i4C4BiiZiz1a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TOFPGQv4i4C4BiiZiz1a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4793a3f5d8507077481d3365029de3bd9953f706e7da1f38a89303d0cd004336","isrc":"JPPO02402887","name":"時代","registered_at":"2026-06-05T11:45:29Z","spotify_id":"4TOFPGQv4i4C4BiiZiz1a9","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 0x4793a3f5d8507077481d3365029de3bd9953f706e7da1f38a89303d0cd004336. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4TOFPGQv4i4C4BiiZiz1a9.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/4TOFPGQv4i4C4BiiZiz1a9.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4793a3f5d8507077481d3365029de3bd9953f706e7da1f38a89303d0cd004336","isrc":"JPPO02402887","name":"時代","registered_at":"2026-06-05T11:45:29Z","spotify_id":"4TOFPGQv4i4C4BiiZiz1a9","type":"track"}

思い出をかけぬけて
type: MusicRecording
duration: PT3M51S
duration ms: 231466
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402888
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:22:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3
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/6tJFjFarvig3AqDNqeH8Yy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6tJFjFarvig3AqDNqeH8Yy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3","isrc":"JPPO02402888","name":"思い出をかけぬけて","registered_at":"2026-06-04T13:22:14Z","spotify_id":"6tJFjFarvig3AqDNqeH8Yy","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 0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3. 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/6tJFjFarvig3AqDNqeH8Yy.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/6tJFjFarvig3AqDNqeH8Yy.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3","isrc":"JPPO02402888","name":"思い出をかけぬけて","registered_at":"2026-06-04T13:22:14Z","spotify_id":"6tJFjFarvig3AqDNqeH8Yy","type":"track"}

angels
type: MusicAlbum
date published: 2022-04-13
track: カモフラージュ
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202253
  explicit: false
  by artist: My Hair is Bad
  in album: angels
    type: MusicAlbum
    date published: 2022-04-13
  isrc code: JPPO02200374
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:26:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5v50DlSBMICAymxatcnNTi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5v50DlSBMICAymxatcnNTi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709","isrc":"JPPO02200374","name":"カモフラージュ","registered_at":"2026-06-06T23:26:27Z","spotify_id":"5v50DlSBMICAymxatcnNTi","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 0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5v50DlSBMICAymxatcnNTi.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/5v50DlSBMICAymxatcnNTi.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709","isrc":"JPPO02200374","name":"カモフラージュ","registered_at":"2026-06-06T23:26:27Z","spotify_id":"5v50DlSBMICAymxatcnNTi","type":"track"}
track: サマー・イン・サマー
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181026
  explicit: false
  by artist: My Hair is Bad
  in album: angels
    type: MusicAlbum
    date published: 2022-04-13
  isrc code: JPPO02201003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T16:56:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7061bc5fe07cfcc47ed007a4194b0296735f293adb49fde24884d74983b7d79f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3szkfFKlRZyCGIlCakFA44.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3szkfFKlRZyCGIlCakFA44
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7061bc5fe07cfcc47ed007a4194b0296735f293adb49fde24884d74983b7d79f","isrc":"JPPO02201003","name":"サマー・イン・サマー","registered_at":"2026-06-06T16:56:51Z","spotify_id":"3szkfFKlRZyCGIlCakFA44","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 0x7061bc5fe07cfcc47ed007a4194b0296735f293adb49fde24884d74983b7d79f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3szkfFKlRZyCGIlCakFA44.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/3szkfFKlRZyCGIlCakFA44.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x7061bc5fe07cfcc47ed007a4194b0296735f293adb49fde24884d74983b7d79f","isrc":"JPPO02201003","name":"サマー・イン・サマー","registered_at":"2026-06-06T16:56:51Z","spotify_id":"3szkfFKlRZyCGIlCakFA44","type":"track"}
track: 歓声をさがして
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233680
  explicit: false
  by artist: My Hair is Bad
  in album: angels
    type: MusicAlbum
    date published: 2022-04-13
  isrc code: JPPO02201004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:13:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6xGzkwHZCipHg3vOkcQU0y.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xGzkwHZCipHg3vOkcQU0y
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"6xGzkwHZCipHg3vOkcQU0y","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 0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xGzkwHZCipHg3vOkcQU0y.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/6xGzkwHZCipHg3vOkcQU0y.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"6xGzkwHZCipHg3vOkcQU0y","type":"track"}
track: 味方
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278306
  explicit: false
  by artist: My Hair is Bad
  in album: angels
    type: MusicAlbum
    date published: 2022-04-13
  isrc code: JPPO02003662
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:17:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5qQudj8MmfDBDUOyAzzvaH.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qQudj8MmfDBDUOyAzzvaH
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317","isrc":"JPPO02003662","name":"味方","registered_at":"2026-06-04T13:17:28Z","spotify_id":"5qQudj8MmfDBDUOyAzzvaH","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 0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qQudj8MmfDBDUOyAzzvaH.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/5qQudj8MmfDBDUOyAzzvaH.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317","isrc":"JPPO02003662","name":"味方","registered_at":"2026-06-04T13:17:28Z","spotify_id":"5qQudj8MmfDBDUOyAzzvaH","type":"track"}
track: 綾
  type: MusicRecording
  duration: PT5M32S
  duration ms: 332320
  explicit: false
  by artist: My Hair is Bad
  in album: angels
    type: MusicAlbum
    date published: 2022-04-13
  isrc code: JPPO02201005
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: 正直な話
track: 翠
track: 仕事が終わったら
track: リルフィン・リルフィン
track: ギャグにしようぜ
track: 舌
track: 白春夢
track: 花びらの中に

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-04T08:02:36+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x62aea3f5d01e0ea8ed55c85b45002614d9cc9f36ef6a79a379b61fd790afa415

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3LaecLSC7LdRMf2AKzsOzp.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LaecLSC7LdRMf2AKzsOzp

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x62aea3f5d01e0ea8ed55c85b45002614d9cc9f36ef6a79a379b61fd790afa415","isrc":"JPPO02201005","name":"綾","registered_at":"2026-06-04T08:02:36Z","spotify_id":"3LaecLSC7LdRMf2AKzsOzp","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 0x62aea3f5d01e0ea8ed55c85b45002614d9cc9f36ef6a79a379b61fd790afa415. 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/3LaecLSC7LdRMf2AKzsOzp.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/3LaecLSC7LdRMf2AKzsOzp.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x62aea3f5d01e0ea8ed55c85b45002614d9cc9f36ef6a79a379b61fd790afa415","isrc":"JPPO02201005","name":"綾","registered_at":"2026-06-04T08:02:36Z","spotify_id":"3LaecLSC7LdRMf2AKzsOzp","type":"track"}

正直な話
type: MusicRecording
duration: PT4M26S
duration ms: 266626
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:21:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b89280c600a6bc5c81148dc2b05f40517ccc8c77310f2559169e5922fdf51e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5jDnwzuUou7n2oX9yRHSg7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5jDnwzuUou7n2oX9yRHSg7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b89280c600a6bc5c81148dc2b05f40517ccc8c77310f2559169e5922fdf51e1","isrc":"JPPO02201006","name":"正直な話","registered_at":"2026-06-05T08:21:06Z","spotify_id":"5jDnwzuUou7n2oX9yRHSg7","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 0x6b89280c600a6bc5c81148dc2b05f40517ccc8c77310f2559169e5922fdf51e1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5jDnwzuUou7n2oX9yRHSg7.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/5jDnwzuUou7n2oX9yRHSg7.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x6b89280c600a6bc5c81148dc2b05f40517ccc8c77310f2559169e5922fdf51e1","isrc":"JPPO02201006","name":"正直な話","registered_at":"2026-06-05T08:21:06Z","spotify_id":"5jDnwzuUou7n2oX9yRHSg7","type":"track"}

翠
type: MusicRecording
duration: PT3M15S
duration ms: 195786
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:12:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4584b23fa4c834b6068243cb428379e6e2c9b3eb5c800d294e2d7a690d636e2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/74S00EkxIXH3u9JMmG84Km.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74S00EkxIXH3u9JMmG84Km
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4584b23fa4c834b6068243cb428379e6e2c9b3eb5c800d294e2d7a690d636e2f","isrc":"JPPO02201007","name":"翠","registered_at":"2026-06-05T11:12:11Z","spotify_id":"74S00EkxIXH3u9JMmG84Km","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 0x4584b23fa4c834b6068243cb428379e6e2c9b3eb5c800d294e2d7a690d636e2f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74S00EkxIXH3u9JMmG84Km.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/74S00EkxIXH3u9JMmG84Km.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4584b23fa4c834b6068243cb428379e6e2c9b3eb5c800d294e2d7a690d636e2f","isrc":"JPPO02201007","name":"翠","registered_at":"2026-06-05T11:12:11Z","spotify_id":"74S00EkxIXH3u9JMmG84Km","type":"track"}

仕事が終わったら
type: MusicRecording
duration: PT1M34S
duration ms: 94000
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:22:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0f78b50108e6d52ff913a7faa8d0fb63d2fdc45ed0c89e01085cec339518c10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2hE7hJeVdogfCxOiV9delb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2hE7hJeVdogfCxOiV9delb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc0f78b50108e6d52ff913a7faa8d0fb63d2fdc45ed0c89e01085cec339518c10","isrc":"JPPO02201008","name":"仕事が終わったら","registered_at":"2026-06-07T19:22:52Z","spotify_id":"2hE7hJeVdogfCxOiV9delb","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 0xc0f78b50108e6d52ff913a7faa8d0fb63d2fdc45ed0c89e01085cec339518c10. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hE7hJeVdogfCxOiV9delb.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/2hE7hJeVdogfCxOiV9delb.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc0f78b50108e6d52ff913a7faa8d0fb63d2fdc45ed0c89e01085cec339518c10","isrc":"JPPO02201008","name":"仕事が終わったら","registered_at":"2026-06-07T19:22:52Z","spotify_id":"2hE7hJeVdogfCxOiV9delb","type":"track"}

リルフィン・リルフィン
type: MusicRecording
duration: PT2M40S
duration ms: 160653
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:25:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b11f7db35d46156bb88ecd8d390ae351a70cce3c92f105f2474df1ec336439a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Xt4jHvEFszdF0AJEynu1J.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Xt4jHvEFszdF0AJEynu1J
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4b11f7db35d46156bb88ecd8d390ae351a70cce3c92f105f2474df1ec336439a","isrc":"JPPO02201009","name":"リルフィン・リルフィン","registered_at":"2026-06-07T19:25:22Z","spotify_id":"5Xt4jHvEFszdF0AJEynu1J","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 0x4b11f7db35d46156bb88ecd8d390ae351a70cce3c92f105f2474df1ec336439a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Xt4jHvEFszdF0AJEynu1J.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/5Xt4jHvEFszdF0AJEynu1J.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4b11f7db35d46156bb88ecd8d390ae351a70cce3c92f105f2474df1ec336439a","isrc":"JPPO02201009","name":"リルフィン・リルフィン","registered_at":"2026-06-07T19:25:22Z","spotify_id":"5Xt4jHvEFszdF0AJEynu1J","type":"track"}

ギャグにしようぜ
type: MusicRecording
duration: PT3M12S
duration ms: 192706
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:21:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2cf04ac713a92b2c83d7e01afe9d158cee554b3dbfd2037cad99fa312f6b4240
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/51b46cUaJdwKFxOf31YJdR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/51b46cUaJdwKFxOf31YJdR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2cf04ac713a92b2c83d7e01afe9d158cee554b3dbfd2037cad99fa312f6b4240","isrc":"JPPO02201010","name":"ギャグにしようぜ","registered_at":"2026-06-07T19:21:46Z","spotify_id":"51b46cUaJdwKFxOf31YJdR","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 0x2cf04ac713a92b2c83d7e01afe9d158cee554b3dbfd2037cad99fa312f6b4240. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/51b46cUaJdwKFxOf31YJdR.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/51b46cUaJdwKFxOf31YJdR.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x2cf04ac713a92b2c83d7e01afe9d158cee554b3dbfd2037cad99fa312f6b4240","isrc":"JPPO02201010","name":"ギャグにしようぜ","registered_at":"2026-06-07T19:21:46Z","spotify_id":"51b46cUaJdwKFxOf31YJdR","type":"track"}

舌
type: MusicRecording
duration: PT3M50S
duration ms: 230306
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:21:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc271f69e926057bba1a39b7a48429760f8de286164e04ae425a725b6ae23c3b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7dIl1XOKUKyJhMd2WEIk1k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7dIl1XOKUKyJhMd2WEIk1k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc271f69e926057bba1a39b7a48429760f8de286164e04ae425a725b6ae23c3b5","isrc":"JPPO02201011","name":"舌","registered_at":"2026-06-05T08:21:50Z","spotify_id":"7dIl1XOKUKyJhMd2WEIk1k","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 0xc271f69e926057bba1a39b7a48429760f8de286164e04ae425a725b6ae23c3b5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dIl1XOKUKyJhMd2WEIk1k.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/7dIl1XOKUKyJhMd2WEIk1k.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xc271f69e926057bba1a39b7a48429760f8de286164e04ae425a725b6ae23c3b5","isrc":"JPPO02201011","name":"舌","registered_at":"2026-06-05T08:21:50Z","spotify_id":"7dIl1XOKUKyJhMd2WEIk1k","type":"track"}

白春夢
type: MusicRecording
duration: PT4M21S
duration ms: 261385
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02003659
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:11:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b
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/3lxgsTcYaQhcQLkVfa3JeB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3lxgsTcYaQhcQLkVfa3JeB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b","isrc":"JPPO02003659","name":"白春夢","registered_at":"2026-06-04T09:11:04Z","spotify_id":"3lxgsTcYaQhcQLkVfa3JeB","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 0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b. 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/3lxgsTcYaQhcQLkVfa3JeB.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/3lxgsTcYaQhcQLkVfa3JeB.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b","isrc":"JPPO02003659","name":"白春夢","registered_at":"2026-06-04T09:11:04Z","spotify_id":"3lxgsTcYaQhcQLkVfa3JeB","type":"track"}

花びらの中に
type: MusicRecording
duration: PT4M39S
duration ms: 279733
explicit: false
by artist: My Hair is Bad
in album: angels
  type: MusicAlbum
  date published: 2022-04-13
isrc code: JPPO02201012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:44:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17c5639020819c8d0755b070eb4419ce25628affc2c4e89f8339c74ebe414b54
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/524P7N98DoLlUn9X6viIlg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/524P7N98DoLlUn9X6viIlg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x17c5639020819c8d0755b070eb4419ce25628affc2c4e89f8339c74ebe414b54","isrc":"JPPO02201012","name":"花びらの中に","registered_at":"2026-06-07T05:44:27Z","spotify_id":"524P7N98DoLlUn9X6viIlg","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 0x17c5639020819c8d0755b070eb4419ce25628affc2c4e89f8339c74ebe414b54. 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/524P7N98DoLlUn9X6viIlg.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/524P7N98DoLlUn9X6viIlg.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x17c5639020819c8d0755b070eb4419ce25628affc2c4e89f8339c74ebe414b54","isrc":"JPPO02201012","name":"花びらの中に","registered_at":"2026-06-07T05:44:27Z","spotify_id":"524P7N98DoLlUn9X6viIlg","type":"track"}

boys
type: MusicAlbum
date published: 2019-06-26
track: 君が海
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235440
  explicit: false
  by artist: My Hair is Bad
  in album: boys
    type: MusicAlbum
    date published: 2019-06-26
  isrc code: JPPO01901601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T08:20:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5aa19a9eb7b24c579ac54a00c76734775f6a84c5fabddb608ae74aa4bcfdccd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6mdPlbbm1380gFJoXE9dgk.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6mdPlbbm1380gFJoXE9dgk
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe5aa19a9eb7b24c579ac54a00c76734775f6a84c5fabddb608ae74aa4bcfdccd","isrc":"JPPO01901601","name":"君が海","registered_at":"2026-06-05T08:20:22Z","spotify_id":"6mdPlbbm1380gFJoXE9dgk","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 0xe5aa19a9eb7b24c579ac54a00c76734775f6a84c5fabddb608ae74aa4bcfdccd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6mdPlbbm1380gFJoXE9dgk.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/6mdPlbbm1380gFJoXE9dgk.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xe5aa19a9eb7b24c579ac54a00c76734775f6a84c5fabddb608ae74aa4bcfdccd","isrc":"JPPO01901601","name":"君が海","registered_at":"2026-06-05T08:20:22Z","spotify_id":"6mdPlbbm1380gFJoXE9dgk","type":"track"}
track: 青
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170533
  explicit: false
  by artist: My Hair is Bad
  in album: boys
    type: MusicAlbum
    date published: 2019-06-26
  isrc code: JPPO01901602
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T07:02:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf3e7ab97beb72911d805c9e9f448556c631c8a43db5a216f5587bd06f161028f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0YJHRYLYY8uiTcIy33LH2W.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0YJHRYLYY8uiTcIy33LH2W
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf3e7ab97beb72911d805c9e9f448556c631c8a43db5a216f5587bd06f161028f","isrc":"JPPO01901602","name":"青","registered_at":"2026-06-07T07:02:57Z","spotify_id":"0YJHRYLYY8uiTcIy33LH2W","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 0xf3e7ab97beb72911d805c9e9f448556c631c8a43db5a216f5587bd06f161028f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YJHRYLYY8uiTcIy33LH2W.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/0YJHRYLYY8uiTcIy33LH2W.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xf3e7ab97beb72911d805c9e9f448556c631c8a43db5a216f5587bd06f161028f","isrc":"JPPO01901602","name":"青","registered_at":"2026-06-07T07:02:57Z","spotify_id":"0YJHRYLYY8uiTcIy33LH2W","type":"track"}
track: 浮気のとなりで
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144613
  explicit: false
  by artist: My Hair is Bad
  in album: boys
    type: MusicAlbum
    date published: 2019-06-26
  isrc code: JPPO01901603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:42:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d9417b5c19fbdd2e7681b7e668fade8c3feda137a4785a630d692cea7958cfc
  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/14p5PSc6k9xCRbqmbyvXOd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/14p5PSc6k9xCRbqmbyvXOd
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5d9417b5c19fbdd2e7681b7e668fade8c3feda137a4785a630d692cea7958cfc","isrc":"JPPO01901603","name":"浮気のとなりで","registered_at":"2026-06-04T14:42:15Z","spotify_id":"14p5PSc6k9xCRbqmbyvXOd","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 0x5d9417b5c19fbdd2e7681b7e668fade8c3feda137a4785a630d692cea7958cfc. 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/14p5PSc6k9xCRbqmbyvXOd.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/14p5PSc6k9xCRbqmbyvXOd.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x5d9417b5c19fbdd2e7681b7e668fade8c3feda137a4785a630d692cea7958cfc","isrc":"JPPO01901603","name":"浮気のとなりで","registered_at":"2026-06-04T14:42:15Z","spotify_id":"14p5PSc6k9xCRbqmbyvXOd","type":"track"}
track: 化粧
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265186
  explicit: false
  by artist: My Hair is Bad
  in album: boys
    type: MusicAlbum
    date published: 2019-06-26
  isrc code: JPPO01901604
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:08:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf4e93822a70b6a0d4a2bc6f1f994971633532595c13a952646e00ddd7e8c648
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/74HOlE2VgeCvRbVHdWaRdm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74HOlE2VgeCvRbVHdWaRdm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf4e93822a70b6a0d4a2bc6f1f994971633532595c13a952646e00ddd7e8c648","isrc":"JPPO01901604","name":"化粧","registered_at":"2026-06-04T10:08:01Z","spotify_id":"74HOlE2VgeCvRbVHdWaRdm","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 0xbf4e93822a70b6a0d4a2bc6f1f994971633532595c13a952646e00ddd7e8c648. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74HOlE2VgeCvRbVHdWaRdm.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/74HOlE2VgeCvRbVHdWaRdm.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbf4e93822a70b6a0d4a2bc6f1f994971633532595c13a952646e00ddd7e8c648","isrc":"JPPO01901604","name":"化粧","registered_at":"2026-06-04T10:08:01Z","spotify_id":"74HOlE2VgeCvRbVHdWaRdm","type":"track"}
track: 観覧車
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257786
  explicit: false
  by artist: My Hair is Bad
  in album: boys
    type: MusicAlbum
    date published: 2019-06-26
  isrc code: JPPO01901605
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: ホームタウン
track: one
track: 愛の毒
track: lighter
track: 怠惰でいいとも!
track: 虜
track: 舞台をおりて
track: 芝居

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-05T16:27:32+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x268da6a4384862891c795cc4b6bdf899bbca0f315878219039d7f99f0c62e7b2

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2fy97tZ7heQTsLfHZVpHJG.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2fy97tZ7heQTsLfHZVpHJG

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x268da6a4384862891c795cc4b6bdf899bbca0f315878219039d7f99f0c62e7b2","isrc":"JPPO01901605","name":"観覧車","registered_at":"2026-06-05T16:27:32Z","spotify_id":"2fy97tZ7heQTsLfHZVpHJG","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 0x268da6a4384862891c795cc4b6bdf899bbca0f315878219039d7f99f0c62e7b2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2fy97tZ7heQTsLfHZVpHJG.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/2fy97tZ7heQTsLfHZVpHJG.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x268da6a4384862891c795cc4b6bdf899bbca0f315878219039d7f99f0c62e7b2","isrc":"JPPO01901605","name":"観覧車","registered_at":"2026-06-05T16:27:32Z","spotify_id":"2fy97tZ7heQTsLfHZVpHJG","type":"track"}

ホームタウン
type: MusicRecording
duration: PT7M7S
duration ms: 427400
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:44:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5199606eac800964e6ff2068c75eedf018cccfe6582f6f15851e2ad647b17bf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6ocYdFNcNTRJkEA1OB94EE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ocYdFNcNTRJkEA1OB94EE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5199606eac800964e6ff2068c75eedf018cccfe6582f6f15851e2ad647b17bf7","isrc":"JPPO01901606","name":"ホームタウン","registered_at":"2026-06-04T07:44:19Z","spotify_id":"6ocYdFNcNTRJkEA1OB94EE","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 0x5199606eac800964e6ff2068c75eedf018cccfe6582f6f15851e2ad647b17bf7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ocYdFNcNTRJkEA1OB94EE.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/6ocYdFNcNTRJkEA1OB94EE.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x5199606eac800964e6ff2068c75eedf018cccfe6582f6f15851e2ad647b17bf7","isrc":"JPPO01901606","name":"ホームタウン","registered_at":"2026-06-04T07:44:19Z","spotify_id":"6ocYdFNcNTRJkEA1OB94EE","type":"track"}

one
type: MusicRecording
duration: PT1M6S
duration ms: 66706
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:39:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebd9087e44f2e8d72e09e43d1f6f677183b506fc9a8e2b3022092d3e97577359
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/4aVZEzGcBSLkIBDeQECIh3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4aVZEzGcBSLkIBDeQECIh3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd9087e44f2e8d72e09e43d1f6f677183b506fc9a8e2b3022092d3e97577359. 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/4aVZEzGcBSLkIBDeQECIh3.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/4aVZEzGcBSLkIBDeQECIh3.
  date published: 2026-06-13T13:32:09Z

愛の毒
type: MusicRecording
duration: PT0M43S
duration ms: 43573
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:30:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa5c9c306974eee37f71c9a5cd065cc7223f8f0975c59ad4956bfb1448e1aa66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/32p1h4CQIBBV8lAYd21Eys.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32p1h4CQIBBV8lAYd21Eys
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfa5c9c306974eee37f71c9a5cd065cc7223f8f0975c59ad4956bfb1448e1aa66","isrc":"JPPO01901608","name":"愛の毒","registered_at":"2026-06-08T11:30:18Z","spotify_id":"32p1h4CQIBBV8lAYd21Eys","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 0xfa5c9c306974eee37f71c9a5cd065cc7223f8f0975c59ad4956bfb1448e1aa66. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32p1h4CQIBBV8lAYd21Eys.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/32p1h4CQIBBV8lAYd21Eys.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfa5c9c306974eee37f71c9a5cd065cc7223f8f0975c59ad4956bfb1448e1aa66","isrc":"JPPO01901608","name":"愛の毒","registered_at":"2026-06-08T11:30:18Z","spotify_id":"32p1h4CQIBBV8lAYd21Eys","type":"track"}

lighter
type: MusicRecording
duration: PT3M16S
duration ms: 196506
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:39:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b62582217f276354652a4fcbd4297a70fb85e6dd664400e6a7e20f56864a895
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/0WGV0pTFQ9IrUjD1JbGULg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0WGV0pTFQ9IrUjD1JbGULg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b62582217f276354652a4fcbd4297a70fb85e6dd664400e6a7e20f56864a895. 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/0WGV0pTFQ9IrUjD1JbGULg.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/0WGV0pTFQ9IrUjD1JbGULg.
  date published: 2026-06-13T15:41:10Z

怠惰でいいとも!
type: MusicRecording
duration: PT1M48S
duration ms: 108293
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:20:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcdf7baca9437986bc58cffba9cded80cef556bcc20e3edc5a35de7ce3432ff54
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/0LyNTh8z5LrO1DJ8FHvlc2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LyNTh8z5LrO1DJ8FHvlc2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcdf7baca9437986bc58cffba9cded80cef556bcc20e3edc5a35de7ce3432ff54","isrc":"JPPO01901610","name":"怠惰でいいとも!","registered_at":"2026-06-08T19:20:21Z","spotify_id":"0LyNTh8z5LrO1DJ8FHvlc2","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 0xcdf7baca9437986bc58cffba9cded80cef556bcc20e3edc5a35de7ce3432ff54. 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/0LyNTh8z5LrO1DJ8FHvlc2.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/0LyNTh8z5LrO1DJ8FHvlc2.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xcdf7baca9437986bc58cffba9cded80cef556bcc20e3edc5a35de7ce3432ff54","isrc":"JPPO01901610","name":"怠惰でいいとも!","registered_at":"2026-06-08T19:20:21Z","spotify_id":"0LyNTh8z5LrO1DJ8FHvlc2","type":"track"}

虜
type: MusicRecording
duration: PT2M45S
duration ms: 165573
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-02T00:56:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84bdc2414793c909a438668e3f3d25d44c4abf9cffe70247a222f45f5acd2da2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5KihK93JmGLvHN4Ryv7VgU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KihK93JmGLvHN4Ryv7VgU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x84bdc2414793c909a438668e3f3d25d44c4abf9cffe70247a222f45f5acd2da2","isrc":"JPPO01901611","name":"虜","registered_at":"2026-06-02T00:56:59Z","spotify_id":"5KihK93JmGLvHN4Ryv7VgU","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 0x84bdc2414793c909a438668e3f3d25d44c4abf9cffe70247a222f45f5acd2da2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KihK93JmGLvHN4Ryv7VgU.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/5KihK93JmGLvHN4Ryv7VgU.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x84bdc2414793c909a438668e3f3d25d44c4abf9cffe70247a222f45f5acd2da2","isrc":"JPPO01901611","name":"虜","registered_at":"2026-06-02T00:56:59Z","spotify_id":"5KihK93JmGLvHN4Ryv7VgU","type":"track"}

舞台をおりて
type: MusicRecording
duration: PT4M33S
duration ms: 273906
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T07:00:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa08a8afa04096a4aa31d5030197671ee1e7bfe6d9afdcf5bd56647ea7a29a805
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3xEYF9W6D2FxSQd3PMLmug.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3xEYF9W6D2FxSQd3PMLmug
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa08a8afa04096a4aa31d5030197671ee1e7bfe6d9afdcf5bd56647ea7a29a805","isrc":"JPPO01901612","name":"舞台をおりて","registered_at":"2026-06-07T07:00:18Z","spotify_id":"3xEYF9W6D2FxSQd3PMLmug","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 0xa08a8afa04096a4aa31d5030197671ee1e7bfe6d9afdcf5bd56647ea7a29a805. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3xEYF9W6D2FxSQd3PMLmug.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/3xEYF9W6D2FxSQd3PMLmug.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xa08a8afa04096a4aa31d5030197671ee1e7bfe6d9afdcf5bd56647ea7a29a805","isrc":"JPPO01901612","name":"舞台をおりて","registered_at":"2026-06-07T07:00:18Z","spotify_id":"3xEYF9W6D2FxSQd3PMLmug","type":"track"}

芝居
type: MusicRecording
duration: PT6M4S
duration ms: 364453
explicit: false
by artist: My Hair is Bad
in album: boys
  type: MusicAlbum
  date published: 2019-06-26
isrc code: JPPO01901613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:07:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x288a67a21acbef5c782d8f43c52bcc744284235b64977ae2e268fdf9ea4417b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2Tv4NhYavSni05V7IIT17w.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Tv4NhYavSni05V7IIT17w
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x288a67a21acbef5c782d8f43c52bcc744284235b64977ae2e268fdf9ea4417b2","isrc":"JPPO01901613","name":"芝居","registered_at":"2026-06-04T16:07:25Z","spotify_id":"2Tv4NhYavSni05V7IIT17w","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 0x288a67a21acbef5c782d8f43c52bcc744284235b64977ae2e268fdf9ea4417b2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Tv4NhYavSni05V7IIT17w.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/2Tv4NhYavSni05V7IIT17w.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x288a67a21acbef5c782d8f43c52bcc744284235b64977ae2e268fdf9ea4417b2","isrc":"JPPO01901613","name":"芝居","registered_at":"2026-06-04T16:07:25Z","spotify_id":"2Tv4NhYavSni05V7IIT17w","type":"track"}

mothers
type: MusicAlbum
date published: 2017-11-22
track: 復讐
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164293
  explicit: false
  by artist: My Hair is Bad
  in album: mothers
    type: MusicAlbum
    date published: 2017-11-22
  isrc code: JPPO01705564
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T11:20:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf9125ec52d50da83a6dd6e5dc200b38c7305052104b30bd9dd3d161e29b43db
  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/1AuUdDcb2F6rXXmNERetsC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AuUdDcb2F6rXXmNERetsC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf9125ec52d50da83a6dd6e5dc200b38c7305052104b30bd9dd3d161e29b43db","isrc":"JPPO01705564","name":"復讐","registered_at":"2026-06-05T11:20:33Z","spotify_id":"1AuUdDcb2F6rXXmNERetsC","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 0xbf9125ec52d50da83a6dd6e5dc200b38c7305052104b30bd9dd3d161e29b43db. 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/1AuUdDcb2F6rXXmNERetsC.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/1AuUdDcb2F6rXXmNERetsC.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xbf9125ec52d50da83a6dd6e5dc200b38c7305052104b30bd9dd3d161e29b43db","isrc":"JPPO01705564","name":"復讐","registered_at":"2026-06-05T11:20:33Z","spotify_id":"1AuUdDcb2F6rXXmNERetsC","type":"track"}
track: 熱狂を終え
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216533
  explicit: false
  by artist: My Hair is Bad
  in album: mothers
    type: MusicAlbum
    date published: 2017-11-22
  isrc code: JPPO01705565
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:29:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x03449b6e75d15c326dd460a8b21a9f99d12300e28fdb499a8881cc002f2419c1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1Xrf5BJyUPBhGubo9VJiGS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Xrf5BJyUPBhGubo9VJiGS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x03449b6e75d15c326dd460a8b21a9f99d12300e28fdb499a8881cc002f2419c1","isrc":"JPPO01705565","name":"熱狂を終え","registered_at":"2026-06-06T23:29:31Z","spotify_id":"1Xrf5BJyUPBhGubo9VJiGS","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 0x03449b6e75d15c326dd460a8b21a9f99d12300e28fdb499a8881cc002f2419c1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Xrf5BJyUPBhGubo9VJiGS.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/1Xrf5BJyUPBhGubo9VJiGS.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x03449b6e75d15c326dd460a8b21a9f99d12300e28fdb499a8881cc002f2419c1","isrc":"JPPO01705565","name":"熱狂を終え","registered_at":"2026-06-06T23:29:31Z","spotify_id":"1Xrf5BJyUPBhGubo9VJiGS","type":"track"}
track: 運命
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169960
  explicit: false
  by artist: My Hair is Bad
  in album: mothers
    type: MusicAlbum
    date published: 2017-11-22
  isrc code: JPPO01704606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T05:08:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4lQfFrlpkeC6rFtUfdM9dn.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4lQfFrlpkeC6rFtUfdM9dn
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81","isrc":"JPPO01704606","name":"運命","registered_at":"2026-06-05T05:08:20Z","spotify_id":"4lQfFrlpkeC6rFtUfdM9dn","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 0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4lQfFrlpkeC6rFtUfdM9dn.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/4lQfFrlpkeC6rFtUfdM9dn.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81","isrc":"JPPO01704606","name":"運命","registered_at":"2026-06-05T05:08:20Z","spotify_id":"4lQfFrlpkeC6rFtUfdM9dn","type":"track"}
track: 関白宣言
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186640
  explicit: false
  by artist: My Hair is Bad
  in album: mothers
    type: MusicAlbum
    date published: 2017-11-22
  isrc code: JPPO01705566
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:05:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6e57ffd024ad09566e7e80e8e175b4ca83df6f20023c7513e9dcdad3d3f82ad8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2KSlWmvOhZzAz0ByZWeo6C.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KSlWmvOhZzAz0ByZWeo6C
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6e57ffd024ad09566e7e80e8e175b4ca83df6f20023c7513e9dcdad3d3f82ad8","isrc":"JPPO01705566","name":"関白宣言","registered_at":"2026-06-04T09:05:01Z","spotify_id":"2KSlWmvOhZzAz0ByZWeo6C","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 0x6e57ffd024ad09566e7e80e8e175b4ca83df6f20023c7513e9dcdad3d3f82ad8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2KSlWmvOhZzAz0ByZWeo6C.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/2KSlWmvOhZzAz0ByZWeo6C.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x6e57ffd024ad09566e7e80e8e175b4ca83df6f20023c7513e9dcdad3d3f82ad8","isrc":"JPPO01705566","name":"関白宣言","registered_at":"2026-06-04T09:05:01Z","spotify_id":"2KSlWmvOhZzAz0ByZWeo6C","type":"track"}
track: いつか結婚しても
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246733
  explicit: false
  by artist: My Hair is Bad
  in album: mothers
    type: MusicAlbum
    date published: 2017-11-22
  isrc code: JPPO01705567
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: 元彼女として
track: 僕の事情
track: 噂
track: 燃える偉人たち
track: こっちみてきいて
track: 永遠の夏休み
track: 幻
track: シャトルに乗って

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-04T09:24:18+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6rZTjkoaONQbdOGCXs9UZO.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rZTjkoaONQbdOGCXs9UZO

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d","isrc":"JPPO01705567","name":"いつか結婚しても","registered_at":"2026-06-04T09:24:18Z","spotify_id":"6rZTjkoaONQbdOGCXs9UZO","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 0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6rZTjkoaONQbdOGCXs9UZO.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/6rZTjkoaONQbdOGCXs9UZO.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d","isrc":"JPPO01705567","name":"いつか結婚しても","registered_at":"2026-06-04T09:24:18Z","spotify_id":"6rZTjkoaONQbdOGCXs9UZO","type":"track"}

元彼女として
type: MusicRecording
duration: PT2M2S
duration ms: 122946
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:14:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e4436d079b37bdaaeb359bfe1d952dfe456a1901c93b3c3d48dabc0d9dccdef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/61ljG8KY152M7NbRcXXAes.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/61ljG8KY152M7NbRcXXAes
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1e4436d079b37bdaaeb359bfe1d952dfe456a1901c93b3c3d48dabc0d9dccdef","isrc":"JPPO01705568","name":"元彼女として","registered_at":"2026-06-04T07:14:55Z","spotify_id":"61ljG8KY152M7NbRcXXAes","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 0x1e4436d079b37bdaaeb359bfe1d952dfe456a1901c93b3c3d48dabc0d9dccdef. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/61ljG8KY152M7NbRcXXAes.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/61ljG8KY152M7NbRcXXAes.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1e4436d079b37bdaaeb359bfe1d952dfe456a1901c93b3c3d48dabc0d9dccdef","isrc":"JPPO01705568","name":"元彼女として","registered_at":"2026-06-04T07:14:55Z","spotify_id":"61ljG8KY152M7NbRcXXAes","type":"track"}

僕の事情
type: MusicRecording
duration: PT0M22S
duration ms: 22253
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22

噂
type: MusicRecording
duration: PT0M46S
duration ms: 46426
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:59:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfed94f62b6bb1312880bd574dfbb180a613082c79db56a5406234c4eeeff9f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Oq9VXQ7t5Ql7naEjbtALc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Oq9VXQ7t5Ql7naEjbtALc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdfed94f62b6bb1312880bd574dfbb180a613082c79db56a5406234c4eeeff9f0","isrc":"JPPO01705570","name":"噂","registered_at":"2026-06-07T06:59:37Z","spotify_id":"5Oq9VXQ7t5Ql7naEjbtALc","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 0xdfed94f62b6bb1312880bd574dfbb180a613082c79db56a5406234c4eeeff9f0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Oq9VXQ7t5Ql7naEjbtALc.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/5Oq9VXQ7t5Ql7naEjbtALc.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xdfed94f62b6bb1312880bd574dfbb180a613082c79db56a5406234c4eeeff9f0","isrc":"JPPO01705570","name":"噂","registered_at":"2026-06-07T06:59:37Z","spotify_id":"5Oq9VXQ7t5Ql7naEjbtALc","type":"track"}

燃える偉人たち
type: MusicRecording
duration: PT3M39S
duration ms: 219720
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705571
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:02:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d72df25af83bcb2f3efc49127629d83add4e8727dbeec640af1a3e443149bb4
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/169ps1hB5roywvDzMo401S.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/169ps1hB5roywvDzMo401S
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8d72df25af83bcb2f3efc49127629d83add4e8727dbeec640af1a3e443149bb4","isrc":"JPPO01705571","name":"燃える偉人たち","registered_at":"2026-06-09T07:02:18Z","spotify_id":"169ps1hB5roywvDzMo401S","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 0x8d72df25af83bcb2f3efc49127629d83add4e8727dbeec640af1a3e443149bb4. 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/169ps1hB5roywvDzMo401S.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/169ps1hB5roywvDzMo401S.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8d72df25af83bcb2f3efc49127629d83add4e8727dbeec640af1a3e443149bb4","isrc":"JPPO01705571","name":"燃える偉人たち","registered_at":"2026-06-09T07:02:18Z","spotify_id":"169ps1hB5roywvDzMo401S","type":"track"}

こっちみてきいて
type: MusicRecording
duration: PT3M3S
duration ms: 183146
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705572
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:25:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0abfdb06cd2e8ec902f7eeec054bbc524a60ffae00e46a384a5151c82d04900
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2NIHCQRdJQ0TxfR1IhiUCq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2NIHCQRdJQ0TxfR1IhiUCq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe0abfdb06cd2e8ec902f7eeec054bbc524a60ffae00e46a384a5151c82d04900","isrc":"JPPO01705572","name":"こっちみてきいて","registered_at":"2026-06-05T16:25:06Z","spotify_id":"2NIHCQRdJQ0TxfR1IhiUCq","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 0xe0abfdb06cd2e8ec902f7eeec054bbc524a60ffae00e46a384a5151c82d04900. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2NIHCQRdJQ0TxfR1IhiUCq.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/2NIHCQRdJQ0TxfR1IhiUCq.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xe0abfdb06cd2e8ec902f7eeec054bbc524a60ffae00e46a384a5151c82d04900","isrc":"JPPO01705572","name":"こっちみてきいて","registered_at":"2026-06-05T16:25:06Z","spotify_id":"2NIHCQRdJQ0TxfR1IhiUCq","type":"track"}

永遠の夏休み
type: MusicRecording
duration: PT4M4S
duration ms: 244506
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705573
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:18:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x914ea63da2182735350b04609566eb4f4b7cbdfa4ca64f9f8e17ff5d5f0eeafe
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/5eR4rK9ZtmmAAjW3bGD7t2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5eR4rK9ZtmmAAjW3bGD7t2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x914ea63da2182735350b04609566eb4f4b7cbdfa4ca64f9f8e17ff5d5f0eeafe","isrc":"JPPO01705573","name":"永遠の夏休み","registered_at":"2026-06-08T19:18:35Z","spotify_id":"5eR4rK9ZtmmAAjW3bGD7t2","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 0x914ea63da2182735350b04609566eb4f4b7cbdfa4ca64f9f8e17ff5d5f0eeafe. 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/5eR4rK9ZtmmAAjW3bGD7t2.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/5eR4rK9ZtmmAAjW3bGD7t2.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x914ea63da2182735350b04609566eb4f4b7cbdfa4ca64f9f8e17ff5d5f0eeafe","isrc":"JPPO01705573","name":"永遠の夏休み","registered_at":"2026-06-08T19:18:35Z","spotify_id":"5eR4rK9ZtmmAAjW3bGD7t2","type":"track"}

幻
type: MusicRecording
duration: PT4M25S
duration ms: 265200
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01704607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T08:38:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4b6txnDj8rrMgw3gXlFP6x.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4b6txnDj8rrMgw3gXlFP6x
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120","isrc":"JPPO01704607","name":"幻","registered_at":"2026-06-04T08:38:51Z","spotify_id":"4b6txnDj8rrMgw3gXlFP6x","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 0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4b6txnDj8rrMgw3gXlFP6x.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/4b6txnDj8rrMgw3gXlFP6x.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120","isrc":"JPPO01704607","name":"幻","registered_at":"2026-06-04T08:38:51Z","spotify_id":"4b6txnDj8rrMgw3gXlFP6x","type":"track"}

シャトルに乗って
type: MusicRecording
duration: PT4M59S
duration ms: 299946
explicit: false
by artist: My Hair is Bad
in album: mothers
  type: MusicAlbum
  date published: 2017-11-22
isrc code: JPPO01705574
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:31:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e60d5b16c39ce80cd59617f0d6d715c4bd562b9c63deb01e7e2ace0bf7ccfb0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/565ibWxtZ0eYGeB0UsP99n.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/565ibWxtZ0eYGeB0UsP99n
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2e60d5b16c39ce80cd59617f0d6d715c4bd562b9c63deb01e7e2ace0bf7ccfb0","isrc":"JPPO01705574","name":"シャトルに乗って","registered_at":"2026-06-08T02:31:33Z","spotify_id":"565ibWxtZ0eYGeB0UsP99n","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 0x2e60d5b16c39ce80cd59617f0d6d715c4bd562b9c63deb01e7e2ace0bf7ccfb0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/565ibWxtZ0eYGeB0UsP99n.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/565ibWxtZ0eYGeB0UsP99n.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x2e60d5b16c39ce80cd59617f0d6d715c4bd562b9c63deb01e7e2ace0bf7ccfb0","isrc":"JPPO01705574","name":"シャトルに乗って","registered_at":"2026-06-08T02:31:33Z","spotify_id":"565ibWxtZ0eYGeB0UsP99n","type":"track"}

woman’s
type: MusicAlbum
date published: 2016-10-19
track: 告白
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137293
  explicit: false
  by artist: My Hair is Bad
  in album: woman’s
    type: MusicAlbum
    date published: 2016-10-19
  isrc code: JPPO01619033
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:52:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdd1a78f9a80bcaf0808917b5a68e40d60fea18549deaa6cb21774f72a1db7642
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2m8OAPaEZOcHtgmdn1uyyv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2m8OAPaEZOcHtgmdn1uyyv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdd1a78f9a80bcaf0808917b5a68e40d60fea18549deaa6cb21774f72a1db7642","isrc":"JPPO01619033","name":"告白","registered_at":"2026-06-04T14:52:33Z","spotify_id":"2m8OAPaEZOcHtgmdn1uyyv","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 0xdd1a78f9a80bcaf0808917b5a68e40d60fea18549deaa6cb21774f72a1db7642. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2m8OAPaEZOcHtgmdn1uyyv.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/2m8OAPaEZOcHtgmdn1uyyv.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xdd1a78f9a80bcaf0808917b5a68e40d60fea18549deaa6cb21774f72a1db7642","isrc":"JPPO01619033","name":"告白","registered_at":"2026-06-04T14:52:33Z","spotify_id":"2m8OAPaEZOcHtgmdn1uyyv","type":"track"}
track: 接吻とフレンド
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200826
  explicit: false
  by artist: My Hair is Bad
  in album: woman’s
    type: MusicAlbum
    date published: 2016-10-19
  isrc code: JPPO01619034
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T15:52:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6391cac8e38960aedb5a1db9bb5842d2c4e8272f21220cf9ad1f7f6378aafa7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/15PxbqfhE1lgv23g0OKNb8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15PxbqfhE1lgv23g0OKNb8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb6391cac8e38960aedb5a1db9bb5842d2c4e8272f21220cf9ad1f7f6378aafa7","isrc":"JPPO01619034","name":"接吻とフレンド","registered_at":"2026-06-04T15:52:06Z","spotify_id":"15PxbqfhE1lgv23g0OKNb8","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 0xb6391cac8e38960aedb5a1db9bb5842d2c4e8272f21220cf9ad1f7f6378aafa7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15PxbqfhE1lgv23g0OKNb8.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/15PxbqfhE1lgv23g0OKNb8.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xb6391cac8e38960aedb5a1db9bb5842d2c4e8272f21220cf9ad1f7f6378aafa7","isrc":"JPPO01619034","name":"接吻とフレンド","registered_at":"2026-06-04T15:52:06Z","spotify_id":"15PxbqfhE1lgv23g0OKNb8","type":"track"}
track: 音楽家になりたくて
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215866
  explicit: false
  by artist: My Hair is Bad
  in album: woman’s
    type: MusicAlbum
    date published: 2016-10-19
  isrc code: JPPO01619035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:35:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a249d22c550539a048c5ef7f426a5ef6b6baad13a02d1a75587f680520b9c53
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2aExokQmcaQtxzoLSrHudO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aExokQmcaQtxzoLSrHudO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8a249d22c550539a048c5ef7f426a5ef6b6baad13a02d1a75587f680520b9c53","isrc":"JPPO01619035","name":"音楽家になりたくて","registered_at":"2026-06-06T23:35:27Z","spotify_id":"2aExokQmcaQtxzoLSrHudO","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 0x8a249d22c550539a048c5ef7f426a5ef6b6baad13a02d1a75587f680520b9c53. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2aExokQmcaQtxzoLSrHudO.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/2aExokQmcaQtxzoLSrHudO.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x8a249d22c550539a048c5ef7f426a5ef6b6baad13a02d1a75587f680520b9c53","isrc":"JPPO01619035","name":"音楽家になりたくて","registered_at":"2026-06-06T23:35:27Z","spotify_id":"2aExokQmcaQtxzoLSrHudO","type":"track"}
track: グッバイ・マイマリー
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219426
  explicit: false
  by artist: My Hair is Bad
  in album: woman’s
    type: MusicAlbum
    date published: 2016-10-19
  isrc code: JPPO01619036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:29:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa37869999d1b031819516174c16f21424d1eb0ad817b627148f0ebb7a73ae148
  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/75juOY52Rj0p3l1xxJPew4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/75juOY52Rj0p3l1xxJPew4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa37869999d1b031819516174c16f21424d1eb0ad817b627148f0ebb7a73ae148","isrc":"JPPO01619036","name":"グッバイ・マイマリー","registered_at":"2026-06-04T12:29:09Z","spotify_id":"75juOY52Rj0p3l1xxJPew4","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 0xa37869999d1b031819516174c16f21424d1eb0ad817b627148f0ebb7a73ae148. 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/75juOY52Rj0p3l1xxJPew4.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/75juOY52Rj0p3l1xxJPew4.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa37869999d1b031819516174c16f21424d1eb0ad817b627148f0ebb7a73ae148","isrc":"JPPO01619036","name":"グッバイ・マイマリー","registered_at":"2026-06-04T12:29:09Z","spotify_id":"75juOY52Rj0p3l1xxJPew4","type":"track"}
track: 戦争を知らない大人たち
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261000
  explicit: false
  by artist: My Hair is Bad
  in album: woman’s
    type: MusicAlbum
    date published: 2016-10-19
  isrc code: JPPO01614908
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: 恋人ができたんだ
track: mendo_931
track: ワーカーインザダークネス
track: 革命はいつも
track: 沈黙と陳列 幼少は永遠へ
track: 真赤
track: 卒業
track: また来年になっても

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T10:00:45+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4oQfhu4mtIZxqSs0zH1oRS.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4oQfhu4mtIZxqSs0zH1oRS

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"4oQfhu4mtIZxqSs0zH1oRS","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 0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4oQfhu4mtIZxqSs0zH1oRS.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/4oQfhu4mtIZxqSs0zH1oRS.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"4oQfhu4mtIZxqSs0zH1oRS","type":"track"}

恋人ができたんだ
type: MusicRecording
duration: PT5M3S
duration ms: 303186
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619037
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:24:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a7805c3b9f630cac0085a87a634565bd1742e1f4fbeb24dcedf3168775bb96e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0xFj47kde9HCKdivI4qIh7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xFj47kde9HCKdivI4qIh7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3a7805c3b9f630cac0085a87a634565bd1742e1f4fbeb24dcedf3168775bb96e","isrc":"JPPO01619037","name":"恋人ができたんだ","registered_at":"2026-06-04T07:24:15Z","spotify_id":"0xFj47kde9HCKdivI4qIh7","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 0x3a7805c3b9f630cac0085a87a634565bd1742e1f4fbeb24dcedf3168775bb96e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xFj47kde9HCKdivI4qIh7.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/0xFj47kde9HCKdivI4qIh7.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3a7805c3b9f630cac0085a87a634565bd1742e1f4fbeb24dcedf3168775bb96e","isrc":"JPPO01619037","name":"恋人ができたんだ","registered_at":"2026-06-04T07:24:15Z","spotify_id":"0xFj47kde9HCKdivI4qIh7","type":"track"}

mendo_931
type: MusicRecording
duration: PT0M59S
duration ms: 59626
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:27:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e8f5296dd463a047b97fdb9280d04b7ec015d7e5eb51c3bda9490fd201cc883
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4VeLm1upTMvcyleEjD9PO7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4VeLm1upTMvcyleEjD9PO7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x4e8f5296dd463a047b97fdb9280d04b7ec015d7e5eb51c3bda9490fd201cc883. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4VeLm1upTMvcyleEjD9PO7.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/4VeLm1upTMvcyleEjD9PO7.
  date published: 2026-06-13T17:25:41Z

ワーカーインザダークネス
type: MusicRecording
duration: PT2M50S
duration ms: 170693
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:21:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dd6c869879250e68457bb1244c1b6d9c72fca546677a2c84d6a76e032c738b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7eCm2IKs5rn0bY4i7F9Q8W.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7eCm2IKs5rn0bY4i7F9Q8W
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4dd6c869879250e68457bb1244c1b6d9c72fca546677a2c84d6a76e032c738b3","isrc":"JPPO01619039","name":"ワーカーインザダークネス","registered_at":"2026-06-07T19:21:56Z","spotify_id":"7eCm2IKs5rn0bY4i7F9Q8W","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 0x4dd6c869879250e68457bb1244c1b6d9c72fca546677a2c84d6a76e032c738b3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7eCm2IKs5rn0bY4i7F9Q8W.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/7eCm2IKs5rn0bY4i7F9Q8W.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x4dd6c869879250e68457bb1244c1b6d9c72fca546677a2c84d6a76e032c738b3","isrc":"JPPO01619039","name":"ワーカーインザダークネス","registered_at":"2026-06-07T19:21:56Z","spotify_id":"7eCm2IKs5rn0bY4i7F9Q8W","type":"track"}

革命はいつも
type: MusicRecording
duration: PT3M24S
duration ms: 204493
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T13:00:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ff409501cc1b753ce9b304ec2db15b3dcd38bac8d9a58fb2d7b94155a69779e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3d5bU6X4eziBSt5CdI4emI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3d5bU6X4eziBSt5CdI4emI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ff409501cc1b753ce9b304ec2db15b3dcd38bac8d9a58fb2d7b94155a69779e","isrc":"JPPO01619040","name":"革命はいつも","registered_at":"2026-06-07T13:00:29Z","spotify_id":"3d5bU6X4eziBSt5CdI4emI","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 0x6ff409501cc1b753ce9b304ec2db15b3dcd38bac8d9a58fb2d7b94155a69779e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3d5bU6X4eziBSt5CdI4emI.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/3d5bU6X4eziBSt5CdI4emI.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6ff409501cc1b753ce9b304ec2db15b3dcd38bac8d9a58fb2d7b94155a69779e","isrc":"JPPO01619040","name":"革命はいつも","registered_at":"2026-06-07T13:00:29Z","spotify_id":"3d5bU6X4eziBSt5CdI4emI","type":"track"}

沈黙と陳列 幼少は永遠へ
type: MusicRecording
duration: PT3M50S
duration ms: 230026
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:17:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe08ac874b813fbd244cec622ca238af3efad8d2395ea35be8c6e81f69158a684
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/4dCpCLnRyuXf3UYWIujSJY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4dCpCLnRyuXf3UYWIujSJY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe08ac874b813fbd244cec622ca238af3efad8d2395ea35be8c6e81f69158a684","isrc":"JPPO01619041","name":"沈黙と陳列 幼少は永遠へ","registered_at":"2026-06-08T19:17:17Z","spotify_id":"4dCpCLnRyuXf3UYWIujSJY","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 0xe08ac874b813fbd244cec622ca238af3efad8d2395ea35be8c6e81f69158a684. 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/4dCpCLnRyuXf3UYWIujSJY.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/4dCpCLnRyuXf3UYWIujSJY.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xe08ac874b813fbd244cec622ca238af3efad8d2395ea35be8c6e81f69158a684","isrc":"JPPO01619041","name":"沈黙と陳列 幼少は永遠へ","registered_at":"2026-06-08T19:17:17Z","spotify_id":"4dCpCLnRyuXf3UYWIujSJY","type":"track"}

真赤
type: MusicRecording
duration: PT3M24S
duration ms: 204866
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:21:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7049f73fc55e1b8e5b36119a76bcecde00175ad4b74a1fc83bc213f4c328db25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ncUjMgT4Wl05I9va9Obc5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ncUjMgT4Wl05I9va9Obc5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7049f73fc55e1b8e5b36119a76bcecde00175ad4b74a1fc83bc213f4c328db25","isrc":"JPPO01619141","name":"真赤","registered_at":"2026-06-04T07:21:45Z","spotify_id":"0ncUjMgT4Wl05I9va9Obc5","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 0x7049f73fc55e1b8e5b36119a76bcecde00175ad4b74a1fc83bc213f4c328db25. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ncUjMgT4Wl05I9va9Obc5.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/0ncUjMgT4Wl05I9va9Obc5.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x7049f73fc55e1b8e5b36119a76bcecde00175ad4b74a1fc83bc213f4c328db25","isrc":"JPPO01619141","name":"真赤","registered_at":"2026-06-04T07:21:45Z","spotify_id":"0ncUjMgT4Wl05I9va9Obc5","type":"track"}

卒業
type: MusicRecording
duration: PT5M21S
duration ms: 321533
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01614911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:29:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a
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/7pOY1SisywC0fj0dV4VhwW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pOY1SisywC0fj0dV4VhwW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"7pOY1SisywC0fj0dV4VhwW","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 0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a. 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/7pOY1SisywC0fj0dV4VhwW.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/7pOY1SisywC0fj0dV4VhwW.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"7pOY1SisywC0fj0dV4VhwW","type":"track"}

また来年になっても
type: MusicRecording
duration: PT3M6S
duration ms: 186786
explicit: false
by artist: My Hair is Bad
in album: woman’s
  type: MusicAlbum
  date published: 2016-10-19
isrc code: JPPO01619042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:21:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2eed8dc5bd2575b32aa6e0b65739ee69d5a163673298ce0098657ac4adb6bea3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/67CATMi996zWg8jiX41TBz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67CATMi996zWg8jiX41TBz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2eed8dc5bd2575b32aa6e0b65739ee69d5a163673298ce0098657ac4adb6bea3","isrc":"JPPO01619042","name":"また来年になっても","registered_at":"2026-06-05T08:21:28Z","spotify_id":"67CATMi996zWg8jiX41TBz","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 0x2eed8dc5bd2575b32aa6e0b65739ee69d5a163673298ce0098657ac4adb6bea3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67CATMi996zWg8jiX41TBz.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/67CATMi996zWg8jiX41TBz.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x2eed8dc5bd2575b32aa6e0b65739ee69d5a163673298ce0098657ac4adb6bea3","isrc":"JPPO01619042","name":"また来年になっても","registered_at":"2026-06-05T08:21:28Z","spotify_id":"67CATMi996zWg8jiX41TBz","type":"track"}

思い出をかけぬけて
type: MusicAlbum
date published: 2024-06-14
track: 思い出をかけぬけて
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231422
  explicit: false
  by artist: My Hair is Bad
  in album: 思い出をかけぬけて
    type: MusicAlbum
    date published: 2024-06-14
  isrc code: JPPO02402888
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:22:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5YciBMihZOu9wIbf1gsmP6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YciBMihZOu9wIbf1gsmP6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3","isrc":"JPPO02402888","name":"思い出をかけぬけて","registered_at":"2026-06-04T13:22:14Z","spotify_id":"5YciBMihZOu9wIbf1gsmP6","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 0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YciBMihZOu9wIbf1gsmP6.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/5YciBMihZOu9wIbf1gsmP6.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3","isrc":"JPPO02402888","name":"思い出をかけぬけて","registered_at":"2026-06-04T13:22:14Z","spotify_id":"5YciBMihZOu9wIbf1gsmP6","type":"track"}

太陽
type: MusicAlbum
date published: 2024-03-14
track: 太陽
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266917
  explicit: false
  by artist: My Hair is Bad
  in album: 太陽
    type: MusicAlbum
    date published: 2024-03-14
  isrc code: JPPO02400665
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T12:06:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7kzQIvZgFgmLIWnZO1Ug3S.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kzQIvZgFgmLIWnZO1Ug3S
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"7kzQIvZgFgmLIWnZO1Ug3S","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 0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kzQIvZgFgmLIWnZO1Ug3S.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/7kzQIvZgFgmLIWnZO1Ug3S.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"7kzQIvZgFgmLIWnZO1Ug3S","type":"track"}

自由とヒステリー
type: MusicAlbum
date published: 2024-02-21
track: 自由とヒステリー
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197146
  explicit: false
  by artist: My Hair is Bad
  in album: 自由とヒステリー
    type: MusicAlbum
    date published: 2024-02-21
  isrc code: JPPO02400166
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T05:48:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6
  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/3KislKlpHjR6seRcfu1Eiv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KislKlpHjR6seRcfu1Eiv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"3KislKlpHjR6seRcfu1Eiv","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 0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6. 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/3KislKlpHjR6seRcfu1Eiv.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/3KislKlpHjR6seRcfu1Eiv.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"3KislKlpHjR6seRcfu1Eiv","type":"track"}

悲劇のヒロイン
type: MusicAlbum
date published: 2024-02-14
track: 悲劇のヒロイン
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229760
  explicit: false
  by artist: My Hair is Bad
  in album: 悲劇のヒロイン
    type: MusicAlbum
    date published: 2024-02-14
  isrc code: JPPO02400165
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:28:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332
  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/72BOlvC2hg6TDSu6RfvtpB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/72BOlvC2hg6TDSu6RfvtpB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"72BOlvC2hg6TDSu6RfvtpB","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 0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332. 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/72BOlvC2hg6TDSu6RfvtpB.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/72BOlvC2hg6TDSu6RfvtpB.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"72BOlvC2hg6TDSu6RfvtpB","type":"track"}

瞳にめざめて
type: MusicAlbum
date published: 2022-10-26
track: 瞳にめざめて
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207520
  explicit: false
  by artist: My Hair is Bad
  in album: 瞳にめざめて
    type: MusicAlbum
    date published: 2022-10-26
  isrc code: JPPO02203974
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:55:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2Mf4WM0Ek5JjbolrOtjLgi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Mf4WM0Ek5JjbolrOtjLgi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a","isrc":"JPPO02203974","name":"瞳にめざめて","registered_at":"2026-06-04T12:55:04Z","spotify_id":"2Mf4WM0Ek5JjbolrOtjLgi","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 0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Mf4WM0Ek5JjbolrOtjLgi.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/2Mf4WM0Ek5JjbolrOtjLgi.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a","isrc":"JPPO02203974","name":"瞳にめざめて","registered_at":"2026-06-04T12:55:04Z","spotify_id":"2Mf4WM0Ek5JjbolrOtjLgi","type":"track"}

歓声をさがして
type: MusicAlbum
date published: 2022-03-26
track: 歓声をさがして
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233173
  explicit: false
  by artist: My Hair is Bad
  in album: 歓声をさがして
    type: MusicAlbum
    date published: 2022-03-26
  isrc code: JPPO02201004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:13:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3N6QVzApdGF3xInV7HpxZm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N6QVzApdGF3xInV7HpxZm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"3N6QVzApdGF3xInV7HpxZm","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 0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3N6QVzApdGF3xInV7HpxZm.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/3N6QVzApdGF3xInV7HpxZm.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"3N6QVzApdGF3xInV7HpxZm","type":"track"}

カモフラージュ
type: MusicAlbum
date published: 2022-02-23
track: カモフラージュ
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202120
  explicit: false
  by artist: My Hair is Bad
  in album: カモフラージュ
    type: MusicAlbum
    date published: 2022-02-23
  isrc code: JPPO02200374
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:26:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709
  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/0VjoRMG8NgeZAX683NlFbH.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0VjoRMG8NgeZAX683NlFbH
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709","isrc":"JPPO02200374","name":"カモフラージュ","registered_at":"2026-06-06T23:26:27Z","spotify_id":"0VjoRMG8NgeZAX683NlFbH","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 0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709. 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/0VjoRMG8NgeZAX683NlFbH.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/0VjoRMG8NgeZAX683NlFbH.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf089afd73031cd4860ef48fdc43fbe86dba51bbbd6815a0c1b1883acd5a5e709","isrc":"JPPO02200374","name":"カモフラージュ","registered_at":"2026-06-06T23:26:27Z","spotify_id":"0VjoRMG8NgeZAX683NlFbH","type":"track"}

love
type: MusicAlbum
date published: 2020-12-23
track: 味方
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278266
  explicit: false
  by artist: My Hair is Bad
  in album: love
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003662
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:17:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0VhQsMoDPMkEI0ld7jw4pi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0VhQsMoDPMkEI0ld7jw4pi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317","isrc":"JPPO02003662","name":"味方","registered_at":"2026-06-04T13:17:28Z","spotify_id":"0VhQsMoDPMkEI0ld7jw4pi","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 0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0VhQsMoDPMkEI0ld7jw4pi.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/0VhQsMoDPMkEI0ld7jw4pi.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x5448da7833ac13b09600ef06a7e760ca391968b9b91ab655c60ed4e5d52dd317","isrc":"JPPO02003662","name":"味方","registered_at":"2026-06-04T13:17:28Z","spotify_id":"0VhQsMoDPMkEI0ld7jw4pi","type":"track"}
track: グッド・バッド・バイ
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192800
  explicit: false
  by artist: My Hair is Bad
  in album: love
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003663
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T21:07:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x424bbecdc25bb89dd7167ef66f4ec68459ea89ae9529ec16c076c70078d25bf2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3ki72WzeYH6QW7JI0mMJLh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3ki72WzeYH6QW7JI0mMJLh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x424bbecdc25bb89dd7167ef66f4ec68459ea89ae9529ec16c076c70078d25bf2","isrc":"JPPO02003663","name":"グッド・バッド・バイ","registered_at":"2026-06-05T21:07:07Z","spotify_id":"3ki72WzeYH6QW7JI0mMJLh","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 0x424bbecdc25bb89dd7167ef66f4ec68459ea89ae9529ec16c076c70078d25bf2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ki72WzeYH6QW7JI0mMJLh.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/3ki72WzeYH6QW7JI0mMJLh.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x424bbecdc25bb89dd7167ef66f4ec68459ea89ae9529ec16c076c70078d25bf2","isrc":"JPPO02003663","name":"グッド・バッド・バイ","registered_at":"2026-06-05T21:07:07Z","spotify_id":"3ki72WzeYH6QW7JI0mMJLh","type":"track"}
track: 予感
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274666
  explicit: false
  by artist: My Hair is Bad
  in album: love
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003664
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:52:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf24c3487a6c2d69f1d4bd3aa69226b60c8caf164c5240e7246d3af7cd170f9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/28RYrfwQSnnh1tSsPwIEwL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/28RYrfwQSnnh1tSsPwIEwL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf24c3487a6c2d69f1d4bd3aa69226b60c8caf164c5240e7246d3af7cd170f9b","isrc":"JPPO02003664","name":"予感","registered_at":"2026-06-04T14:52:41Z","spotify_id":"28RYrfwQSnnh1tSsPwIEwL","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 0xbf24c3487a6c2d69f1d4bd3aa69226b60c8caf164c5240e7246d3af7cd170f9b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28RYrfwQSnnh1tSsPwIEwL.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/28RYrfwQSnnh1tSsPwIEwL.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbf24c3487a6c2d69f1d4bd3aa69226b60c8caf164c5240e7246d3af7cd170f9b","isrc":"JPPO02003664","name":"予感","registered_at":"2026-06-04T14:52:41Z","spotify_id":"28RYrfwQSnnh1tSsPwIEwL","type":"track"}

life
type: MusicAlbum
date published: 2020-12-23
track: 白春夢
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260920
  explicit: false
  by artist: My Hair is Bad
  in album: life
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003659
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T09:11:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/58kMtTP8vxuQufw7XyWwXN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58kMtTP8vxuQufw7XyWwXN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b","isrc":"JPPO02003659","name":"白春夢","registered_at":"2026-06-04T09:11:04Z","spotify_id":"58kMtTP8vxuQufw7XyWwXN","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 0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58kMtTP8vxuQufw7XyWwXN.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/58kMtTP8vxuQufw7XyWwXN.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b","isrc":"JPPO02003659","name":"白春夢","registered_at":"2026-06-04T09:11:04Z","spotify_id":"58kMtTP8vxuQufw7XyWwXN","type":"track"}
track: 心はずっと
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194120
  explicit: false
  by artist: My Hair is Bad
  in album: life
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003660
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:00:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa32b74ddd1bf4fcdd0835a46c562c82b3dac52c77360e81ce31def90269a9761
  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/73KtQfgIoTfcdEbEJbk8Sk.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73KtQfgIoTfcdEbEJbk8Sk
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa32b74ddd1bf4fcdd0835a46c562c82b3dac52c77360e81ce31def90269a9761","isrc":"JPPO02003660","name":"心はずっと","registered_at":"2026-06-08T01:00:33Z","spotify_id":"73KtQfgIoTfcdEbEJbk8Sk","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 0xa32b74ddd1bf4fcdd0835a46c562c82b3dac52c77360e81ce31def90269a9761. 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/73KtQfgIoTfcdEbEJbk8Sk.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/73KtQfgIoTfcdEbEJbk8Sk.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa32b74ddd1bf4fcdd0835a46c562c82b3dac52c77360e81ce31def90269a9761","isrc":"JPPO02003660","name":"心はずっと","registered_at":"2026-06-08T01:00:33Z","spotify_id":"73KtQfgIoTfcdEbEJbk8Sk","type":"track"}
track: 子供になろう
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218546
  explicit: false
  by artist: My Hair is Bad
  in album: life
    type: MusicAlbum
    date published: 2020-12-23
  isrc code: JPPO02003661
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T07:03:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5c796c2db60f4d0f05e27e6b63d8b87d740c2af93e4a7533e0e8e72959dcf4f
  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/1LEPrVpgwEcsLEJV1sLpHg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LEPrVpgwEcsLEJV1sLpHg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa5c796c2db60f4d0f05e27e6b63d8b87d740c2af93e4a7533e0e8e72959dcf4f","isrc":"JPPO02003661","name":"子供になろう","registered_at":"2026-06-09T07:03:06Z","spotify_id":"1LEPrVpgwEcsLEJV1sLpHg","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 0xa5c796c2db60f4d0f05e27e6b63d8b87d740c2af93e4a7533e0e8e72959dcf4f. 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/1LEPrVpgwEcsLEJV1sLpHg.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/1LEPrVpgwEcsLEJV1sLpHg.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa5c796c2db60f4d0f05e27e6b63d8b87d740c2af93e4a7533e0e8e72959dcf4f","isrc":"JPPO02003661","name":"子供になろう","registered_at":"2026-06-09T07:03:06Z","spotify_id":"1LEPrVpgwEcsLEJV1sLpHg","type":"track"}

hadaka e.p.
type: MusicAlbum
date published: 2018-11-07
track: 次回予告
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259333
  explicit: false
  by artist: My Hair is Bad
  in album: hadaka e.p.
    type: MusicAlbum
    date published: 2018-11-07
  isrc code: JPPO01804879
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:43:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6f5a40d4d588fef34cb2e50789de697665ad8e07c608235dbe726e12d370198
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7npcNcdzyyIgK8e0GeVigQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7npcNcdzyyIgK8e0GeVigQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd6f5a40d4d588fef34cb2e50789de697665ad8e07c608235dbe726e12d370198","isrc":"JPPO01804879","name":"次回予告","registered_at":"2026-06-04T11:43:34Z","spotify_id":"7npcNcdzyyIgK8e0GeVigQ","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 0xd6f5a40d4d588fef34cb2e50789de697665ad8e07c608235dbe726e12d370198. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7npcNcdzyyIgK8e0GeVigQ.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/7npcNcdzyyIgK8e0GeVigQ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xd6f5a40d4d588fef34cb2e50789de697665ad8e07c608235dbe726e12d370198","isrc":"JPPO01804879","name":"次回予告","registered_at":"2026-06-04T11:43:34Z","spotify_id":"7npcNcdzyyIgK8e0GeVigQ","type":"track"}
track: 惜春
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236493
  explicit: false
  by artist: My Hair is Bad
  in album: hadaka e.p.
    type: MusicAlbum
    date published: 2018-11-07
  isrc code: JPPO01804880
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T01:42:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7bbbffa78fe702ab8e60a2a04b1627cc76510c5fcf81574015ac844e6bc850d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4UcYBGMfhjLedTgyzLhggX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4UcYBGMfhjLedTgyzLhggX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7bbbffa78fe702ab8e60a2a04b1627cc76510c5fcf81574015ac844e6bc850d2","isrc":"JPPO01804880","name":"惜春","registered_at":"2026-06-06T01:42:45Z","spotify_id":"4UcYBGMfhjLedTgyzLhggX","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 0x7bbbffa78fe702ab8e60a2a04b1627cc76510c5fcf81574015ac844e6bc850d2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4UcYBGMfhjLedTgyzLhggX.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/4UcYBGMfhjLedTgyzLhggX.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x7bbbffa78fe702ab8e60a2a04b1627cc76510c5fcf81574015ac844e6bc850d2","isrc":"JPPO01804880","name":"惜春","registered_at":"2026-06-06T01:42:45Z","spotify_id":"4UcYBGMfhjLedTgyzLhggX","type":"track"}
track: 微熱
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202053
  explicit: false
  by artist: My Hair is Bad
  in album: hadaka e.p.
    type: MusicAlbum
    date published: 2018-11-07
  isrc code: JPPO01804881
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:09:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf85f1271167b2e1ced23f64fa09f5c3e936a9ec8f9f96d34d578b8f90516d04
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4uU6tfWR2mywqpKn2akUwV.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uU6tfWR2mywqpKn2akUwV
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf85f1271167b2e1ced23f64fa09f5c3e936a9ec8f9f96d34d578b8f90516d04","isrc":"JPPO01804881","name":"微熱","registered_at":"2026-06-04T13:09:52Z","spotify_id":"4uU6tfWR2mywqpKn2akUwV","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 0xdf85f1271167b2e1ced23f64fa09f5c3e936a9ec8f9f96d34d578b8f90516d04. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uU6tfWR2mywqpKn2akUwV.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/4uU6tfWR2mywqpKn2akUwV.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xdf85f1271167b2e1ced23f64fa09f5c3e936a9ec8f9f96d34d578b8f90516d04","isrc":"JPPO01804881","name":"微熱","registered_at":"2026-06-04T13:09:52Z","spotify_id":"4uU6tfWR2mywqpKn2akUwV","type":"track"}
track: 天才っていいな
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158960
  explicit: false
  by artist: My Hair is Bad
  in album: hadaka e.p.
    type: MusicAlbum
    date published: 2018-11-07
  isrc code: JPPO01804882
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T06:55:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8df379dc35e490d3a1435127220340f8df4af44ba7c60b17f22737e43e590a60
  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/33QtT2Hdb8P1gVMrfu0lJw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/33QtT2Hdb8P1gVMrfu0lJw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8df379dc35e490d3a1435127220340f8df4af44ba7c60b17f22737e43e590a60","isrc":"JPPO01804882","name":"天才っていいな","registered_at":"2026-06-09T06:55:57Z","spotify_id":"33QtT2Hdb8P1gVMrfu0lJw","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 0x8df379dc35e490d3a1435127220340f8df4af44ba7c60b17f22737e43e590a60. 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/33QtT2Hdb8P1gVMrfu0lJw.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/33QtT2Hdb8P1gVMrfu0lJw.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x8df379dc35e490d3a1435127220340f8df4af44ba7c60b17f22737e43e590a60","isrc":"JPPO01804882","name":"天才っていいな","registered_at":"2026-06-09T06:55:57Z","spotify_id":"33QtT2Hdb8P1gVMrfu0lJw","type":"track"}
track: 裸
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254413
  explicit: false
  by artist: My Hair is Bad
  in album: hadaka e.p.
    type: MusicAlbum
    date published: 2018-11-07
  isrc code: JPPO01804883
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T11:36:55+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x42891f07150ffef4f40b0b17e1fe6d1f9ac4c405f8d87485e7e38250b6dd733a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6qtamS74Gf0mZBc3BFla0w.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6qtamS74Gf0mZBc3BFla0w

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x42891f07150ffef4f40b0b17e1fe6d1f9ac4c405f8d87485e7e38250b6dd733a","isrc":"JPPO01804883","name":"裸","registered_at":"2026-06-08T11:36:55Z","spotify_id":"6qtamS74Gf0mZBc3BFla0w","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 0x42891f07150ffef4f40b0b17e1fe6d1f9ac4c405f8d87485e7e38250b6dd733a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6qtamS74Gf0mZBc3BFla0w.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/6qtamS74Gf0mZBc3BFla0w.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x42891f07150ffef4f40b0b17e1fe6d1f9ac4c405f8d87485e7e38250b6dd733a","isrc":"JPPO01804883","name":"裸","registered_at":"2026-06-08T11:36:55Z","spotify_id":"6qtamS74Gf0mZBc3BFla0w","type":"track"}

運命 / 幻
type: MusicAlbum
date published: 2017-09-06
track: 運命
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170013
  explicit: false
  by artist: My Hair is Bad
  in album: 運命 / 幻
    type: MusicAlbum
    date published: 2017-09-06
  isrc code: JPPO01704606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T05:08:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81
  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/23FAxmvUaNDfdMluIUmDIK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/23FAxmvUaNDfdMluIUmDIK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81","isrc":"JPPO01704606","name":"運命","registered_at":"2026-06-05T05:08:20Z","spotify_id":"23FAxmvUaNDfdMluIUmDIK","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 0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81. 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/23FAxmvUaNDfdMluIUmDIK.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/23FAxmvUaNDfdMluIUmDIK.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x5538e9d00f5fde6e70e641e8e06fbb908c1d419b33ef144d8d9acf2d191e0d81","isrc":"JPPO01704606","name":"運命","registered_at":"2026-06-05T05:08:20Z","spotify_id":"23FAxmvUaNDfdMluIUmDIK","type":"track"}
track: 幻
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265666
  explicit: false
  by artist: My Hair is Bad
  in album: 運命 / 幻
    type: MusicAlbum
    date published: 2017-09-06
  isrc code: JPPO01704607
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T08:38:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120
  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/0qeM5UxaIPo0scxNKIU0pY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0qeM5UxaIPo0scxNKIU0pY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120","isrc":"JPPO01704607","name":"幻","registered_at":"2026-06-04T08:38:51Z","spotify_id":"0qeM5UxaIPo0scxNKIU0pY","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 0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120. 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/0qeM5UxaIPo0scxNKIU0pY.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/0qeM5UxaIPo0scxNKIU0pY.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x4490409dbd591d71933eb4622d6fce113cb3ece7b03594b22d837bd0d5171120","isrc":"JPPO01704607","name":"幻","registered_at":"2026-06-04T08:38:51Z","spotify_id":"0qeM5UxaIPo0scxNKIU0pY","type":"track"}

時代をあつめて
type: MusicAlbum
date published: 2016-05-11
track: 戦争を知らない大人たち
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263480
  explicit: false
  by artist: My Hair is Bad
  in album: 時代をあつめて
    type: MusicAlbum
    date published: 2016-05-11
  isrc code: JPPO01614908
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T10:00:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1LmVvSbgKhAJo3dfGwJVmQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LmVvSbgKhAJo3dfGwJVmQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"1LmVvSbgKhAJo3dfGwJVmQ","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 0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LmVvSbgKhAJo3dfGwJVmQ.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/1LmVvSbgKhAJo3dfGwJVmQ.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"1LmVvSbgKhAJo3dfGwJVmQ","type":"track"}
track: 最愛の果て
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201653
  explicit: false
  by artist: My Hair is Bad
  in album: 時代をあつめて
    type: MusicAlbum
    date published: 2016-05-11
  isrc code: JPPO01614909
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T07:21:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/08gHWqjHvB86q4cjhNdMhJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08gHWqjHvB86q4cjhNdMhJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec","isrc":"JPPO01614909","name":"最愛の果て","registered_at":"2026-06-04T07:21:15Z","spotify_id":"08gHWqjHvB86q4cjhNdMhJ","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 0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08gHWqjHvB86q4cjhNdMhJ.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/08gHWqjHvB86q4cjhNdMhJ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec","isrc":"JPPO01614909","name":"最愛の果て","registered_at":"2026-06-04T07:21:15Z","spotify_id":"08gHWqjHvB86q4cjhNdMhJ","type":"track"}
track: 悪口たち
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153360
  explicit: false
  by artist: My Hair is Bad
  in album: 時代をあつめて
    type: MusicAlbum
    date published: 2016-05-11
  isrc code: JPPO01614910
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T16:56:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/169n0UZ3Ffun6EIBO4i2i3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/169n0UZ3Ffun6EIBO4i2i3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58","isrc":"JPPO01614910","name":"悪口たち","registered_at":"2026-06-06T16:56:20Z","spotify_id":"169n0UZ3Ffun6EIBO4i2i3","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 0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/169n0UZ3Ffun6EIBO4i2i3.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/169n0UZ3Ffun6EIBO4i2i3.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58","isrc":"JPPO01614910","name":"悪口たち","registered_at":"2026-06-06T16:56:20Z","spotify_id":"169n0UZ3Ffun6EIBO4i2i3","type":"track"}
track: 卒業
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322173
  explicit: false
  by artist: My Hair is Bad
  in album: 時代をあつめて
    type: MusicAlbum
    date published: 2016-05-11
  isrc code: JPPO01614911
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:29:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Xnx7ApHVMbNN6j7npAXRJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Xnx7ApHVMbNN6j7npAXRJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"6Xnx7ApHVMbNN6j7npAXRJ","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 0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Xnx7ApHVMbNN6j7npAXRJ.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/6Xnx7ApHVMbNN6j7npAXRJ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"6Xnx7ApHVMbNN6j7npAXRJ","type":"track"}

もしも生まれ変わったならそっとこんな声になって
type: MusicAlbum
date published: 2024-08-28
track: 栞
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270400
  explicit: false
  by artist: SEKAI NO OWARI
  in album: もしも生まれ変わったならそっとこんな声になって
    type: MusicAlbum
    date published: 2024-08-28
  isrc code: JPPO02403751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:53:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73ca8f1c125692b876dfd58932abb111e92754a7a3922aa786c5eaa977c009b2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2PA4eyN9dDIMW1suC67yR5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2PA4eyN9dDIMW1suC67yR5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x73ca8f1c125692b876dfd58932abb111e92754a7a3922aa786c5eaa977c009b2","isrc":"JPPO02403751","name":"栞","registered_at":"2026-06-04T12:53:44Z","spotify_id":"2PA4eyN9dDIMW1suC67yR5","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 0x73ca8f1c125692b876dfd58932abb111e92754a7a3922aa786c5eaa977c009b2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2PA4eyN9dDIMW1suC67yR5.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/2PA4eyN9dDIMW1suC67yR5.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x73ca8f1c125692b876dfd58932abb111e92754a7a3922aa786c5eaa977c009b2","isrc":"JPPO02403751","name":"栞","registered_at":"2026-06-04T12:53:44Z","spotify_id":"2PA4eyN9dDIMW1suC67yR5","type":"track"}
track: 憂、燦々
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249100
  explicit: false
  by artist: ヨルシカ
  in album: もしも生まれ変わったならそっとこんな声になって
    type: MusicAlbum
    date published: 2024-08-28
  isrc code: JPPO02404004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:04:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a0343baf3bc4a9e3f5ee5e6d659cfe78734efeaa1eb5fb7c741b3c5ad49defa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/38K9JUzPaZrzqIhrTUm6nR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38K9JUzPaZrzqIhrTUm6nR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2a0343baf3bc4a9e3f5ee5e6d659cfe78734efeaa1eb5fb7c741b3c5ad49defa","isrc":"JPPO02404004","name":"憂、燦々","registered_at":"2026-06-04T12:04:06Z","spotify_id":"38K9JUzPaZrzqIhrTUm6nR","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 0x2a0343baf3bc4a9e3f5ee5e6d659cfe78734efeaa1eb5fb7c741b3c5ad49defa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38K9JUzPaZrzqIhrTUm6nR.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/38K9JUzPaZrzqIhrTUm6nR.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x2a0343baf3bc4a9e3f5ee5e6d659cfe78734efeaa1eb5fb7c741b3c5ad49defa","isrc":"JPPO02404004","name":"憂、燦々","registered_at":"2026-06-04T12:04:06Z","spotify_id":"38K9JUzPaZrzqIhrTUm6nR","type":"track"}
track: 手と手
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205516
  explicit: false
  by artist: 10-FEET
  in album: もしも生まれ変わったならそっとこんな声になって
    type: MusicAlbum
    date published: 2024-08-28
  isrc code: JPPO02403456
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:12:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3iMKletjVqMR7Qr9CP0IIx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iMKletjVqMR7Qr9CP0IIx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b","isrc":"JPPO02403456","name":"手と手","registered_at":"2026-06-04T16:12:31Z","spotify_id":"3iMKletjVqMR7Qr9CP0IIx","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 0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iMKletjVqMR7Qr9CP0IIx.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/3iMKletjVqMR7Qr9CP0IIx.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x934da094195efb7d0fa4b2633624baac4aa73deb8cc31598ab1e5656e2980f5b","isrc":"JPPO02403456","name":"手と手","registered_at":"2026-06-04T16:12:31Z","spotify_id":"3iMKletjVqMR7Qr9CP0IIx","type":"track"}
track: イト
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213462
  explicit: false
  by artist: UNISON SQUARE GARDEN
  in album: もしも生まれ変わったならそっとこんな声になって
    type: MusicAlbum
    date published: 2024-08-28
  isrc code: JPTF02424901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T10:27:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb58f0d4b188faa471f558c80e966c1769a633c06a8b2702e698a92074eb2a14a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3a5ROrkoS0v02BvZB7JHYr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3a5ROrkoS0v02BvZB7JHYr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb58f0d4b188faa471f558c80e966c1769a633c06a8b2702e698a92074eb2a14a","isrc":"JPTF02424901","name":"イト","registered_at":"2026-06-04T10:27:48Z","spotify_id":"3a5ROrkoS0v02BvZB7JHYr","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 0xb58f0d4b188faa471f558c80e966c1769a633c06a8b2702e698a92074eb2a14a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3a5ROrkoS0v02BvZB7JHYr.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/3a5ROrkoS0v02BvZB7JHYr.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xb58f0d4b188faa471f558c80e966c1769a633c06a8b2702e698a92074eb2a14a","isrc":"JPTF02424901","name":"イト","registered_at":"2026-06-04T10:27:48Z","spotify_id":"3a5ROrkoS0v02BvZB7JHYr","type":"track"}
track: 社会の窓
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166538
  explicit: false
  by artist: ano
  in album: もしも生まれ変わったならそっとこんな声になって
    type: MusicAlbum
    date published: 2024-08-28
  isrc code: JPTF02424801
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: ABCDC
track: キケンナアソビ
track: ナイトオンザプラネット feat.尾崎世界観
track: 二十九、三十
track: ただ
track: バンド

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-04T13:19:54+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xcf6cfb1f170acf5e26247becb6088f8831fef577519163e2d7ae2fa8fc804c0b

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/6lUBiOrB0ilG4wQ0y86oOf.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lUBiOrB0ilG4wQ0y86oOf

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xcf6cfb1f170acf5e26247becb6088f8831fef577519163e2d7ae2fa8fc804c0b","isrc":"JPTF02424801","name":"社会の窓","registered_at":"2026-06-04T13:19:54Z","spotify_id":"6lUBiOrB0ilG4wQ0y86oOf","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 0xcf6cfb1f170acf5e26247becb6088f8831fef577519163e2d7ae2fa8fc804c0b. 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/6lUBiOrB0ilG4wQ0y86oOf.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/6lUBiOrB0ilG4wQ0y86oOf.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xcf6cfb1f170acf5e26247becb6088f8831fef577519163e2d7ae2fa8fc804c0b","isrc":"JPTF02424801","name":"社会の窓","registered_at":"2026-06-04T13:19:54Z","spotify_id":"6lUBiOrB0ilG4wQ0y86oOf","type":"track"}

ABCDC
type: MusicRecording
duration: PT3M42S
duration ms: 222158
explicit: false
by artist: indigo la End
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403459
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:50:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd769099ef5e58664ef99f4e2554ceda5e7dfdc148d6db694dd5b31f2e5afd93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2KoTHZuVZFCmbiVaLic9uC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KoTHZuVZFCmbiVaLic9uC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xfd769099ef5e58664ef99f4e2554ceda5e7dfdc148d6db694dd5b31f2e5afd93. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2KoTHZuVZFCmbiVaLic9uC.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/2KoTHZuVZFCmbiVaLic9uC.
  date published: 2026-06-13T12:47:07Z

キケンナアソビ
type: MusicRecording
duration: PT3M56S
duration ms: 236448
explicit: false
by artist: WurtS
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:36:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8de9c52357da794b573b473f2387c15df8c8b9173f8021d3f4593ca8a34d5a6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0YGiwqpEM6z2poUTqtLKAd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0YGiwqpEM6z2poUTqtLKAd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8de9c52357da794b573b473f2387c15df8c8b9173f8021d3f4593ca8a34d5a6e","isrc":"JPPO02403460","name":"キケンナアソビ","registered_at":"2026-06-04T09:36:06Z","spotify_id":"0YGiwqpEM6z2poUTqtLKAd","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 0x8de9c52357da794b573b473f2387c15df8c8b9173f8021d3f4593ca8a34d5a6e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YGiwqpEM6z2poUTqtLKAd.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/0YGiwqpEM6z2poUTqtLKAd.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x8de9c52357da794b573b473f2387c15df8c8b9173f8021d3f4593ca8a34d5a6e","isrc":"JPPO02403460","name":"キケンナアソビ","registered_at":"2026-06-04T09:36:06Z","spotify_id":"0YGiwqpEM6z2poUTqtLKAd","type":"track"}

ナイトオンザプラネット feat.尾崎世界観
type: MusicRecording
duration: PT5M43S
duration ms: 343065
explicit: false
by artist: Tokyo Ska Paradise Orchestra
by artist: Sekaikan Ozaki
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403461
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T19:57:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41c15ac4cb391c966464563cea1f073fc4a5b52174c65f7e1d691654d6cbedd8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7FHze2spclnkX7Ogk1Gxfq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7FHze2spclnkX7Ogk1Gxfq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41c15ac4cb391c966464563cea1f073fc4a5b52174c65f7e1d691654d6cbedd8","isrc":"JPPO02403461","name":"ナイトオンザプラネット feat.尾崎世界観","registered_at":"2026-06-05T19:57:22Z","spotify_id":"7FHze2spclnkX7Ogk1Gxfq","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 0x41c15ac4cb391c966464563cea1f073fc4a5b52174c65f7e1d691654d6cbedd8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FHze2spclnkX7Ogk1Gxfq.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/7FHze2spclnkX7Ogk1Gxfq.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x41c15ac4cb391c966464563cea1f073fc4a5b52174c65f7e1d691654d6cbedd8","isrc":"JPPO02403461","name":"ナイトオンザプラネット feat.尾崎世界観","registered_at":"2026-06-05T19:57:22Z","spotify_id":"7FHze2spclnkX7Ogk1Gxfq","type":"track"}

二十九、三十
type: MusicRecording
duration: PT4M6S
duration ms: 246220
explicit: false
by artist: Ulfuls
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403462
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:18:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa7b2d702c795f6d1dd4d7e204f9e39a71ec14e2799ae46f4eaf40d97a24781b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0jK7hWOTbsOuMrjXOU9Z8H.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0jK7hWOTbsOuMrjXOU9Z8H
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfa7b2d702c795f6d1dd4d7e204f9e39a71ec14e2799ae46f4eaf40d97a24781b","isrc":"JPPO02403462","name":"二十九、三十","registered_at":"2026-06-06T01:18:22Z","spotify_id":"0jK7hWOTbsOuMrjXOU9Z8H","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 0xfa7b2d702c795f6d1dd4d7e204f9e39a71ec14e2799ae46f4eaf40d97a24781b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0jK7hWOTbsOuMrjXOU9Z8H.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/0jK7hWOTbsOuMrjXOU9Z8H.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfa7b2d702c795f6d1dd4d7e204f9e39a71ec14e2799ae46f4eaf40d97a24781b","isrc":"JPPO02403462","name":"二十九、三十","registered_at":"2026-06-06T01:18:22Z","spotify_id":"0jK7hWOTbsOuMrjXOU9Z8H","type":"track"}

ただ
type: MusicRecording
duration: PT3M36S
duration ms: 216374
explicit: false
by artist: My Hair is Bad
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403931
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:52:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2xEKc6wWva0tYlB1bo2bfc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xEKc6wWva0tYlB1bo2bfc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb","isrc":"JPPO02403931","name":"ただ","registered_at":"2026-06-04T13:52:45Z","spotify_id":"2xEKc6wWva0tYlB1bo2bfc","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 0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xEKc6wWva0tYlB1bo2bfc.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/2xEKc6wWva0tYlB1bo2bfc.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb","isrc":"JPPO02403931","name":"ただ","registered_at":"2026-06-04T13:52:45Z","spotify_id":"2xEKc6wWva0tYlB1bo2bfc","type":"track"}

バンド
type: MusicRecording
duration: PT6M18S
duration ms: 378963
explicit: false
by artist: back number
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403464
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T06:34:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39863f8ea5779763d9769c911262ae9ad130377aecddad4aa2123e86db125de2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0xbZo7ZaQ3dIFiNjQ3Ik0m.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0xbZo7ZaQ3dIFiNjQ3Ik0m
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39863f8ea5779763d9769c911262ae9ad130377aecddad4aa2123e86db125de2","isrc":"JPPO02403464","name":"バンド","registered_at":"2026-06-04T06:34:45Z","spotify_id":"0xbZo7ZaQ3dIFiNjQ3Ik0m","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 0x39863f8ea5779763d9769c911262ae9ad130377aecddad4aa2123e86db125de2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xbZo7ZaQ3dIFiNjQ3Ik0m.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/0xbZo7ZaQ3dIFiNjQ3Ik0m.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x39863f8ea5779763d9769c911262ae9ad130377aecddad4aa2123e86db125de2","isrc":"JPPO02403464","name":"バンド","registered_at":"2026-06-04T06:34:45Z","spotify_id":"0xbZo7ZaQ3dIFiNjQ3Ik0m","type":"track"}

ELLEGARDEN TRIBUTE
type: MusicAlbum
date published: 2022-11-11
track: Missing
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193283
  explicit: false
  by artist: Vaundy
  in album: ELLEGARDEN TRIBUTE
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: JPPO02204315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T08:22:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24fdb3f40fa9fcd6a819404e5938974aebce9c4e471e4487191b2b08bfb2def5
  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/0r5a8vOYwTY2csX9UIz8xs.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0r5a8vOYwTY2csX9UIz8xs
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fdb3f40fa9fcd6a819404e5938974aebce9c4e471e4487191b2b08bfb2def5. 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/0r5a8vOYwTY2csX9UIz8xs.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/0r5a8vOYwTY2csX9UIz8xs.
    date published: 2026-06-13T15:41:10Z
track: 金星
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244734
  explicit: false
  by artist: My Hair is Bad
  in album: ELLEGARDEN TRIBUTE
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: JPPO02204316
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T01:34:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11
  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/4zLE00KLtkDa44m3BDpbMX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4zLE00KLtkDa44m3BDpbMX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11","isrc":"JPPO02204316","name":"金星","registered_at":"2026-06-08T01:34:32Z","spotify_id":"4zLE00KLtkDa44m3BDpbMX","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 0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11. 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/4zLE00KLtkDa44m3BDpbMX.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/4zLE00KLtkDa44m3BDpbMX.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11","isrc":"JPPO02204316","name":"金星","registered_at":"2026-06-08T01:34:32Z","spotify_id":"4zLE00KLtkDa44m3BDpbMX","type":"track"}
track: ジターバグ
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193652
  explicit: false
  by artist: BiSH
  in album: ELLEGARDEN TRIBUTE
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: JPB602204416
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T19:22:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7cd9b8cf43ba81dccfac1df58e4f4e359a9b36f9709e1c324c4ca44a5db62d00
  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/4Xe6IzM0L6icJ6eUCnvbQQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Xe6IzM0L6icJ6eUCnvbQQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7cd9b8cf43ba81dccfac1df58e4f4e359a9b36f9709e1c324c4ca44a5db62d00","isrc":"JPB602204416","name":"ジターバグ","registered_at":"2026-06-08T19:22:23Z","spotify_id":"4Xe6IzM0L6icJ6eUCnvbQQ","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 0x7cd9b8cf43ba81dccfac1df58e4f4e359a9b36f9709e1c324c4ca44a5db62d00. 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/4Xe6IzM0L6icJ6eUCnvbQQ.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/4Xe6IzM0L6icJ6eUCnvbQQ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x7cd9b8cf43ba81dccfac1df58e4f4e359a9b36f9709e1c324c4ca44a5db62d00","isrc":"JPB602204416","name":"ジターバグ","registered_at":"2026-06-08T19:22:23Z","spotify_id":"4Xe6IzM0L6icJ6eUCnvbQQ","type":"track"}
track: 高架線
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167933
  explicit: false
  by artist: マカロニえんぴつ
  in album: ELLEGARDEN TRIBUTE
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: JPPO02204317
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T05:28:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1aa9a99ddc6e4cb14ee58bc6b2fafc531ec82cc2cd73206b078c6514fc29708e
  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/03VQWHRWN9CQejftfWDXX3.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03VQWHRWN9CQejftfWDXX3
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1aa9a99ddc6e4cb14ee58bc6b2fafc531ec82cc2cd73206b078c6514fc29708e","isrc":"JPPO02204317","name":"高架線","registered_at":"2026-06-07T05:28:08Z","spotify_id":"03VQWHRWN9CQejftfWDXX3","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 0x1aa9a99ddc6e4cb14ee58bc6b2fafc531ec82cc2cd73206b078c6514fc29708e. 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/03VQWHRWN9CQejftfWDXX3.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/03VQWHRWN9CQejftfWDXX3.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x1aa9a99ddc6e4cb14ee58bc6b2fafc531ec82cc2cd73206b078c6514fc29708e","isrc":"JPPO02204317","name":"高架線","registered_at":"2026-06-07T05:28:08Z","spotify_id":"03VQWHRWN9CQejftfWDXX3","type":"track"}
track: 風の日
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290498
  explicit: false
  by artist: Sayaka Yamamoto
  in album: ELLEGARDEN TRIBUTE
    type: MusicAlbum
    date published: 2022-11-11
  isrc code: JPPO02204265
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: The Autumn Song

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-10T00:23:33+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xaa9b44b369e6772b53cd921055230736a9b89fa020e369d986a839233b86cc15

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1Z53ErTNyO317YJIKr6Zlr.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Z53ErTNyO317YJIKr6Zlr

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xaa9b44b369e6772b53cd921055230736a9b89fa020e369d986a839233b86cc15","isrc":"JPPO02204265","name":"風の日","registered_at":"2026-06-10T00:23:33Z","spotify_id":"1Z53ErTNyO317YJIKr6Zlr","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 0xaa9b44b369e6772b53cd921055230736a9b89fa020e369d986a839233b86cc15. 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/1Z53ErTNyO317YJIKr6Zlr.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/1Z53ErTNyO317YJIKr6Zlr.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xaa9b44b369e6772b53cd921055230736a9b89fa020e369d986a839233b86cc15","isrc":"JPPO02204265","name":"風の日","registered_at":"2026-06-10T00:23:33Z","spotify_id":"1Z53ErTNyO317YJIKr6Zlr","type":"track"}

The Autumn Song
type: MusicRecording
duration: PT3M25S
duration ms: 205846
explicit: false
by artist: BLUE ENCOUNT
in album: ELLEGARDEN TRIBUTE
  type: MusicAlbum
  date published: 2022-11-11
isrc code: JPU902204625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:48:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a6e36798b7f4db12fdc5a12cf6b182d14fcbb813d46d3bb7e72fd0f7af00aff
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/1lF4BdTTc29nq36nJAMXWz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lF4BdTTc29nq36nJAMXWz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6a6e36798b7f4db12fdc5a12cf6b182d14fcbb813d46d3bb7e72fd0f7af00aff","isrc":"JPU902204625","name":"The Autumn Song","registered_at":"2026-06-10T02:48:16Z","spotify_id":"1lF4BdTTc29nq36nJAMXWz","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 0x6a6e36798b7f4db12fdc5a12cf6b182d14fcbb813d46d3bb7e72fd0f7af00aff. 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/1lF4BdTTc29nq36nJAMXWz.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/1lF4BdTTc29nq36nJAMXWz.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6a6e36798b7f4db12fdc5a12cf6b182d14fcbb813d46d3bb7e72fd0f7af00aff","isrc":"JPU902204625","name":"The Autumn Song","registered_at":"2026-06-10T02:48:16Z","spotify_id":"1lF4BdTTc29nq36nJAMXWz","type":"track"}

秋のラブソング
type: MusicAlbum
date published: 2022-10-28
track: SEPTEMBER
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275560
  explicit: false
  by artist: Hiroji Miyamoto
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
track: 僕らのオレンジ
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254297
  explicit: false
  by artist: SIX LOUNGE
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPPO02100466
track: 灯り
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267906
  explicit: false
  by artist: Straightener
  by artist: Motohiro Hata
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPPO01705796
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:49:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551
  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/5ZEt1PHhm7Ce93SCkwoqMy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ZEt1PHhm7Ce93SCkwoqMy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551","isrc":"JPPO01705796","name":"灯り","registered_at":"2026-06-10T02:49:05Z","spotify_id":"5ZEt1PHhm7Ce93SCkwoqMy","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 0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551. 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/5ZEt1PHhm7Ce93SCkwoqMy.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/5ZEt1PHhm7Ce93SCkwoqMy.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0xb7cc31c6c89146308440ee43d6d808f5e094b59203d34580da881e371a4d1551","isrc":"JPPO01705796","name":"灯り","registered_at":"2026-06-10T02:49:05Z","spotify_id":"5ZEt1PHhm7Ce93SCkwoqMy","type":"track"}
track: ここでキスして。
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258466
  explicit: false
  by artist: 椎名林檎
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPTO09832780
track: ムーンソング
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260693
  explicit: false
  by artist: [Alexandros]
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
track: 未来図
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229586
  explicit: false
  by artist: マルシィ
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPPO02200963
track: 若者のすべて
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296400
  explicit: false
  by artist: Fujifabric
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPTO00701536
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T23:38:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdbc834b1a5f4d68046e8a84073e0045d1455c2192283d370188ebefdff572af3
  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/2CMljrWuxRgTuxlWcHTRlQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CMljrWuxRgTuxlWcHTRlQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdbc834b1a5f4d68046e8a84073e0045d1455c2192283d370188ebefdff572af3","isrc":"JPTO00701536","name":"若者のすべて","registered_at":"2026-06-20T23:38:37Z","spotify_id":"2CMljrWuxRgTuxlWcHTRlQ","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 0xdbc834b1a5f4d68046e8a84073e0045d1455c2192283d370188ebefdff572af3. 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/2CMljrWuxRgTuxlWcHTRlQ.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/2CMljrWuxRgTuxlWcHTRlQ.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xdbc834b1a5f4d68046e8a84073e0045d1455c2192283d370188ebefdff572af3","isrc":"JPTO00701536","name":"若者のすべて","registered_at":"2026-06-20T23:38:37Z","spotify_id":"2CMljrWuxRgTuxlWcHTRlQ","type":"track"}
track: ツキミソウ
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312053
  explicit: false
  by artist: Novelbright
  in album: 秋のラブソング
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: JPPO02004097
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T16:29:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c05ed608f7365ee8ee01fc5ee874b8b329143c821085a7333bee45918d5fa7e
  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/4Ap4udwLHcxoMi6tFaOT4l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Ap4udwLHcxoMi6tFaOT4l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2c05ed608f7365ee8ee01fc5ee874b8b329143c821085a7333bee45918d5fa7e","isrc":"JPPO02004097","name":"ツキミソウ","registered_at":"2026-06-10T16:29:45Z","spotify_id":"4Ap4udwLHcxoMi6tFaOT4l","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 0x2c05ed608f7365ee8ee01fc5ee874b8b329143c821085a7333bee45918d5fa7e. 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/4Ap4udwLHcxoMi6tFaOT4l.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/4Ap4udwLHcxoMi6tFaOT4l.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x2c05ed608f7365ee8ee01fc5ee874b8b329143c821085a7333bee45918d5fa7e","isrc":"JPPO02004097","name":"ツキミソウ","registered_at":"2026-06-10T16:29:45Z","spotify_id":"4Ap4udwLHcxoMi6tFaOT4l","type":"track"}
track: いつか結婚しても
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246733
  explicit: false
  by artist: My Hair is Bad
  in album: 秋のラブソング
  isrc code: JPPO01705567
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  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: 愛のけだもの
track: 月の逆襲
track: 愛は透明
track: melt
track: 人
track: If
track: 君の名前
track: 目蓋
track: Woolly
track: 宵の海
track: 赤黄色の金木犀
track: FALL FALLS
track: 月に読む手紙
track: NIGHT DANCER
track: 秋の気配

秋のラブソング
type: MusicAlbum
date published: 2022-10-28

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-04T09:24:18+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4CEGAIq7E8s3er0Tb3reXW.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CEGAIq7E8s3er0Tb3reXW

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d","isrc":"JPPO01705567","name":"いつか結婚しても","registered_at":"2026-06-04T09:24:18Z","spotify_id":"4CEGAIq7E8s3er0Tb3reXW","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 0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d. 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/4CEGAIq7E8s3er0Tb3reXW.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/4CEGAIq7E8s3er0Tb3reXW.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0x20e733af3dd0078dc0be626f340219dd1249e26f59c165426e04336e2d3e958d","isrc":"JPPO01705567","name":"いつか結婚しても","registered_at":"2026-06-04T09:24:18Z","spotify_id":"4CEGAIq7E8s3er0Tb3reXW","type":"track"}

愛のけだもの
type: MusicRecording
duration: PT4M32S
duration ms: 272800
explicit: false
by artist: KAMI WA SAIKORO WO FURANAI
by artist: Tatsuya Kitani
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02103268
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:19:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4541e2760cc08a888d8036e3fffdb6d3ee65ab01ac866de50fa34bcee14409d
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/3uytuQfYeeUDQlKKLdt88f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uytuQfYeeUDQlKKLdt88f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf4541e2760cc08a888d8036e3fffdb6d3ee65ab01ac866de50fa34bcee14409d","isrc":"JPPO02103268","name":"愛のけだもの","registered_at":"2026-06-04T14:19:25Z","spotify_id":"3uytuQfYeeUDQlKKLdt88f","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 0xf4541e2760cc08a888d8036e3fffdb6d3ee65ab01ac866de50fa34bcee14409d. 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/3uytuQfYeeUDQlKKLdt88f.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/3uytuQfYeeUDQlKKLdt88f.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xf4541e2760cc08a888d8036e3fffdb6d3ee65ab01ac866de50fa34bcee14409d","isrc":"JPPO02103268","name":"愛のけだもの","registered_at":"2026-06-04T14:19:25Z","spotify_id":"3uytuQfYeeUDQlKKLdt88f","type":"track"}

月の逆襲
type: MusicRecording
duration: PT3M6S
duration ms: 186040
explicit: false
by artist: Creep Hyp
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO01701268
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T03:33:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecd50a9e9f329968f824d0da63c062143a41fddb809ab5c4d2340066a474244c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7IacZYCzXJyacNd53VBXWj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IacZYCzXJyacNd53VBXWj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecd50a9e9f329968f824d0da63c062143a41fddb809ab5c4d2340066a474244c","isrc":"JPPO01701268","name":"月の逆襲","registered_at":"2026-06-04T03:33:20Z","spotify_id":"7IacZYCzXJyacNd53VBXWj","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 0xecd50a9e9f329968f824d0da63c062143a41fddb809ab5c4d2340066a474244c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IacZYCzXJyacNd53VBXWj.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/7IacZYCzXJyacNd53VBXWj.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0xecd50a9e9f329968f824d0da63c062143a41fddb809ab5c4d2340066a474244c","isrc":"JPPO01701268","name":"月の逆襲","registered_at":"2026-06-04T03:33:20Z","spotify_id":"7IacZYCzXJyacNd53VBXWj","type":"track"}

愛は透明
type: MusicRecording
duration: PT4M31S
duration ms: 271000
explicit: false
by artist: Karin.
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28

melt
type: MusicRecording
duration: PT4M25S
duration ms: 265373
explicit: false
by artist: サイダーガール
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02104492

人
type: MusicRecording
duration: PT4M26S
duration ms: 266693
explicit: false
by artist: PEDRO
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02103106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:45:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c90199ba6c4cc132666acba351d416df4ba25cca077b6c3f4d24898306e1968
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/3Y2iWYQRjnhWLSdq7EyEcb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Y2iWYQRjnhWLSdq7EyEcb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c90199ba6c4cc132666acba351d416df4ba25cca077b6c3f4d24898306e1968","isrc":"JPPO02103106","name":"人","registered_at":"2026-06-24T10:45:35Z","spotify_id":"3Y2iWYQRjnhWLSdq7EyEcb","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 0x3c90199ba6c4cc132666acba351d416df4ba25cca077b6c3f4d24898306e1968. 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/3Y2iWYQRjnhWLSdq7EyEcb.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/3Y2iWYQRjnhWLSdq7EyEcb.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x3c90199ba6c4cc132666acba351d416df4ba25cca077b6c3f4d24898306e1968","isrc":"JPPO02103106","name":"人","registered_at":"2026-06-24T10:45:35Z","spotify_id":"3Y2iWYQRjnhWLSdq7EyEcb","type":"track"}

If
type: MusicRecording
duration: PT3M26S
duration ms: 206933
explicit: false
by artist: SHE'S
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02103119

君の名前
type: MusicRecording
duration: PT3M46S
duration ms: 226733
explicit: false
by artist: Mone Kamishiraishi
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02202465

目蓋
type: MusicRecording
duration: PT5M14S
duration ms: 314000
explicit: false
by artist: KAMI WA SAIKORO WO FURANAI
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02002973

Woolly
type: MusicRecording
duration: PT4M22S
duration ms: 262940
explicit: false
by artist: satomoka
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02103638

宵の海
type: MusicRecording
duration: PT2M50S
duration ms: 170781
explicit: false
by artist: miu
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28

赤黄色の金木犀
type: MusicRecording
duration: PT3M58S
duration ms: 238933
explicit: false
by artist: Fujifabric
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPTO00401218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T08:57:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd5d8e4cdb1d0a5a6235073876812f136ef69b744a454f318f5cd1edd331706f3
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/10mUPTVJ0WrBpsC5cGbuhU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10mUPTVJ0WrBpsC5cGbuhU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd5d8e4cdb1d0a5a6235073876812f136ef69b744a454f318f5cd1edd331706f3","isrc":"JPTO00401218","name":"赤黄色の金木犀","registered_at":"2026-06-29T08:57:18Z","spotify_id":"10mUPTVJ0WrBpsC5cGbuhU","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 0xd5d8e4cdb1d0a5a6235073876812f136ef69b744a454f318f5cd1edd331706f3. 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/10mUPTVJ0WrBpsC5cGbuhU.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/10mUPTVJ0WrBpsC5cGbuhU.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0xd5d8e4cdb1d0a5a6235073876812f136ef69b744a454f318f5cd1edd331706f3","isrc":"JPTO00401218","name":"赤黄色の金木犀","registered_at":"2026-06-29T08:57:18Z","spotify_id":"10mUPTVJ0WrBpsC5cGbuhU","type":"track"}

FALL FALLS
type: MusicRecording
duration: PT5M3S
duration ms: 303946
explicit: false
by artist: DREAMS COME TRUE
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28

月に読む手紙
type: MusicRecording
duration: PT5M23S
duration ms: 323000
explicit: false
by artist: Straightener
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28

NIGHT DANCER
type: MusicRecording
duration: PT3M30S
duration ms: 210948
explicit: false
by artist: imase
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28
isrc code: JPPO02202918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:55:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3663b844fb565b74738df9debf0963eff82da040229f7959bd0988faade3ae47
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/1SdZwv9AePSc5PnCdstBXD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1SdZwv9AePSc5PnCdstBXD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3663b844fb565b74738df9debf0963eff82da040229f7959bd0988faade3ae47","isrc":"JPPO02202918","name":"NIGHT DANCER","registered_at":"2026-06-05T20:55:51Z","spotify_id":"1SdZwv9AePSc5PnCdstBXD","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 0x3663b844fb565b74738df9debf0963eff82da040229f7959bd0988faade3ae47. 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/1SdZwv9AePSc5PnCdstBXD.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/1SdZwv9AePSc5PnCdstBXD.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x3663b844fb565b74738df9debf0963eff82da040229f7959bd0988faade3ae47","isrc":"JPPO02202918","name":"NIGHT DANCER","registered_at":"2026-06-05T20:55:51Z","spotify_id":"1SdZwv9AePSc5PnCdstBXD","type":"track"}

秋の気配
type: MusicRecording
duration: PT4M0S
duration ms: 240946
explicit: false
by artist: Off Course
in album: 秋のラブソング
  type: MusicAlbum
  date published: 2022-10-28

Morning Breeze - 朝に聴きたいJ-POP -
type: MusicAlbum
date published: 2022-09-14
track: 左右盲
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267493
  explicit: false
  by artist: ヨルシカ
  in album: Morning Breeze - 朝に聴きたいJ-POP -
    type: MusicAlbum
    date published: 2022-09-14
  isrc code: JPPO02202188
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T08:50:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x56b8d4f22f1ed99b63cbdba8126f479497c20e9e2351c5d664481f9065747406
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956349
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956349
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0zh72xmWW5H5uOCE8RlDG2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zh72xmWW5H5uOCE8RlDG2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:34:59Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x56b8d4f22f1ed99b63cbdba8126f479497c20e9e2351c5d664481f9065747406","isrc":"JPPO02202188","name":"左右盲","registered_at":"2026-06-24T08:50:12Z","spotify_id":"0zh72xmWW5H5uOCE8RlDG2","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 0x56b8d4f22f1ed99b63cbdba8126f479497c20e9e2351c5d664481f9065747406. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zh72xmWW5H5uOCE8RlDG2.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/0zh72xmWW5H5uOCE8RlDG2.
    date published: 2026-07-02T11:34:59Z
    text: {"copyright_id":"0x56b8d4f22f1ed99b63cbdba8126f479497c20e9e2351c5d664481f9065747406","isrc":"JPPO02202188","name":"左右盲","registered_at":"2026-06-24T08:50:12Z","spotify_id":"0zh72xmWW5H5uOCE8RlDG2","type":"track"}
track: きらり
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231882
  explicit: false
  by artist: Fujii Kaze
  in album: Morning Breeze - 朝に聴きたいJ-POP -
    type: MusicAlbum
    date published: 2022-09-14
  isrc code: JPPO02100710
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T21:01:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaa10b3993cfdf69b446e2262f10319cb0dc585cd7f292a6e77cdee2dfa644e27
  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/3icw3Bf9uuNFglem9YFLQM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3icw3Bf9uuNFglem9YFLQM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xaa10b3993cfdf69b446e2262f10319cb0dc585cd7f292a6e77cdee2dfa644e27","isrc":"JPPO02100710","name":"きらり","registered_at":"2026-06-19T21:01:03Z","spotify_id":"3icw3Bf9uuNFglem9YFLQM","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 0xaa10b3993cfdf69b446e2262f10319cb0dc585cd7f292a6e77cdee2dfa644e27. 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/3icw3Bf9uuNFglem9YFLQM.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/3icw3Bf9uuNFglem9YFLQM.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0xaa10b3993cfdf69b446e2262f10319cb0dc585cd7f292a6e77cdee2dfa644e27","isrc":"JPPO02100710","name":"きらり","registered_at":"2026-06-19T21:01:03Z","spotify_id":"3icw3Bf9uuNFglem9YFLQM","type":"track"}
track: In the Morning
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237840
  explicit: false
  by artist: Mrs. GREEN APPLE
  in album: Morning Breeze - 朝に聴きたいJ-POP -
    type: MusicAlbum
    date published: 2022-09-14
  isrc code: JPPO01620439
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T07:12:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2fb32ca1e22e4eb567c5fa7d57bafeefbe6e5beb24b9dbef5758c4fa9466bc42
  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/0r6i7UkzqhbYvBrSAxKCD5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0r6i7UkzqhbYvBrSAxKCD5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2fb32ca1e22e4eb567c5fa7d57bafeefbe6e5beb24b9dbef5758c4fa9466bc42","isrc":"JPPO01620439","name":"In the Morning","registered_at":"2026-06-04T07:12:44Z","spotify_id":"0r6i7UkzqhbYvBrSAxKCD5","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 0x2fb32ca1e22e4eb567c5fa7d57bafeefbe6e5beb24b9dbef5758c4fa9466bc42. 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/0r6i7UkzqhbYvBrSAxKCD5.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/0r6i7UkzqhbYvBrSAxKCD5.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x2fb32ca1e22e4eb567c5fa7d57bafeefbe6e5beb24b9dbef5758c4fa9466bc42","isrc":"JPPO01620439","name":"In the Morning","registered_at":"2026-06-04T07:12:44Z","spotify_id":"0r6i7UkzqhbYvBrSAxKCD5","type":"track"}
track: 日々、織々
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206973
  explicit: false
  by artist: [Alexandros]
  in album: Morning Breeze - 朝に聴きたいJ-POP -
    type: MusicAlbum
    date published: 2022-09-14
track: 花に亡霊
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241226
  explicit: false
  by artist: ヨルシカ
  in album: Morning Breeze - 朝に聴きたいJ-POP -
    type: MusicAlbum
    date published: 2022-09-14
  isrc code: JPPO02001032
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T22:26:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a515845d512c83423538136f9851fe6fbbd13c31e682f169948e53c78255e97
  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/1xYcPxTl0RMji3918fChnC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xYcPxTl0RMji3918fChnC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9a515845d512c83423538136f9851fe6fbbd13c31e682f169948e53c78255e97","isrc":"JPPO02001032","name":"花に亡霊","registered_at":"2026-06-17T22:26:08Z","spotify_id":"1xYcPxTl0RMji3918fChnC","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 0x9a515845d512c83423538136f9851fe6fbbd13c31e682f169948e53c78255e97. 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/1xYcPxTl0RMji3918fChnC.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/1xYcPxTl0RMji3918fChnC.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x9a515845d512c83423538136f9851fe6fbbd13c31e682f169948e53c78255e97","isrc":"JPPO02001032","name":"花に亡霊","registered_at":"2026-06-17T22:26:08Z","spotify_id":"1xYcPxTl0RMji3918fChnC","type":"track"}
track: Morning Glow
track: Sunny drop
track: ダンスホール
track: Grow Old With Me
track: あいつら全員同窓会
track: うれしい！たのしい！大好き！ - DOSCO prime Version
track: ハレルヤ
track: 高嶺の花子さん
track: 猫にサイダー
track: snow jam - From THE FIRST TAKE
track: 道
track: HAVE A NICE DAY
track: 東京
track: 白春夢
track: so so good
track: 世界のつづき
track: Migratory Bird
track: windandwindows
track: ありがとうさよなら

Morning Glow
type: MusicRecording
duration: PT4M2S
duration ms: 242653
explicit: false
by artist: SHE'S
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

Sunny drop
type: MusicRecording
duration: PT4M3S
duration ms: 243506
explicit: false
by artist: Novelbright
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

ダンスホール
type: MusicRecording
duration: PT3M23S
duration ms: 203149
explicit: false
by artist: Mrs. GREEN APPLE
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO02201800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T04:37:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1da58a38d48b74d131e072668880e0534da76e7d96feae48f1ff5da607df649
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ddRamsLtRHHRiyWBmXk1c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ddRamsLtRHHRiyWBmXk1c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc1da58a38d48b74d131e072668880e0534da76e7d96feae48f1ff5da607df649","isrc":"JPPO02201800","name":"ダンスホール","registered_at":"2026-06-01T04:37:49Z","spotify_id":"0ddRamsLtRHHRiyWBmXk1c","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 0xc1da58a38d48b74d131e072668880e0534da76e7d96feae48f1ff5da607df649. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ddRamsLtRHHRiyWBmXk1c.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/0ddRamsLtRHHRiyWBmXk1c.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc1da58a38d48b74d131e072668880e0534da76e7d96feae48f1ff5da607df649","isrc":"JPPO02201800","name":"ダンスホール","registered_at":"2026-06-01T04:37:49Z","spotify_id":"0ddRamsLtRHHRiyWBmXk1c","type":"track"}

Grow Old With Me
type: MusicRecording
duration: PT3M22S
duration ms: 202813
explicit: false
by artist: SHE'S
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

あいつら全員同窓会
type: MusicRecording
duration: PT4M15S
duration ms: 255506
explicit: false
by artist: ZUTOMAYO
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO02101873
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T15:42:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x845ee9c20fda2dbe2999ec09b83820e3629b670f3c9303da3c9a0db62c80e6de
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/4vHbR4I4kNQoOcwPmnKeSh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vHbR4I4kNQoOcwPmnKeSh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x845ee9c20fda2dbe2999ec09b83820e3629b670f3c9303da3c9a0db62c80e6de","isrc":"JPPO02101873","name":"あいつら全員同窓会","registered_at":"2026-06-01T15:42:36Z","spotify_id":"4vHbR4I4kNQoOcwPmnKeSh","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 0x845ee9c20fda2dbe2999ec09b83820e3629b670f3c9303da3c9a0db62c80e6de. 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/4vHbR4I4kNQoOcwPmnKeSh.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/4vHbR4I4kNQoOcwPmnKeSh.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0x845ee9c20fda2dbe2999ec09b83820e3629b670f3c9303da3c9a0db62c80e6de","isrc":"JPPO02101873","name":"あいつら全員同窓会","registered_at":"2026-06-01T15:42:36Z","spotify_id":"4vHbR4I4kNQoOcwPmnKeSh","type":"track"}

うれしい！たのしい！大好き！ - DOSCO prime Version
type: MusicRecording
duration: PT3M55S
duration ms: 235501
explicit: false
by artist: DREAMS COME TRUE
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO02002926

ハレルヤ
type: MusicRecording
duration: PT3M47S
duration ms: 227706
explicit: false
by artist: Hiroji Miyamoto
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

高嶺の花子さん
type: MusicRecording
duration: PT4M54S
duration ms: 294813
explicit: false
by artist: back number
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO01336381
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T04:31:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8dc910a81f6757b858dd20f5b8b4b7dfb731b9ba1c59345277d528965c230a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4bcapnrkn2SKmzxeNyoU3Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4bcapnrkn2SKmzxeNyoU3Q
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd8dc910a81f6757b858dd20f5b8b4b7dfb731b9ba1c59345277d528965c230a3","isrc":"JPPO01336381","name":"高嶺の花子さん","registered_at":"2026-06-01T04:31:47Z","spotify_id":"4bcapnrkn2SKmzxeNyoU3Q","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
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  date published: 2026-06-13T17:25:41Z
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猫にサイダー
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duration: PT3M2S
duration ms: 182893
explicit: false
by artist: Cidergirl
in album: Morning Breeze - 朝に聴きたいJ-POP -
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  date published: 2022-09-14

snow jam - From THE FIRST TAKE
type: MusicRecording
duration: PT3M24S
duration ms: 204962
explicit: false
by artist: Rin音
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

道
type: MusicRecording
duration: PT3M36S
duration ms: 216013
explicit: false
by artist: Hikaru Utada
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO01618584
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4da88a88bfa104f59e2e84b438a6c0e66538198d941777d57f4a2b041659c1fb
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/3mvSWoRwKxwLqyPpWimVb7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mvSWoRwKxwLqyPpWimVb7
additional property: OTSTimestamp
  type: PropertyValue
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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 0x4da88a88bfa104f59e2e84b438a6c0e66538198d941777d57f4a2b041659c1fb. 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/3mvSWoRwKxwLqyPpWimVb7.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/3mvSWoRwKxwLqyPpWimVb7.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4da88a88bfa104f59e2e84b438a6c0e66538198d941777d57f4a2b041659c1fb","isrc":"JPPO01618584","name":"道","registered_at":"2026-06-18T11:13:09Z","spotify_id":"3mvSWoRwKxwLqyPpWimVb7","type":"track"}

HAVE A NICE DAY
type: MusicRecording
duration: PT3M40S
duration ms: 220097
explicit: false
by artist: TENDRE
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

東京
type: MusicRecording
duration: PT3M24S
duration ms: 204813
explicit: false
by artist: PEDRO
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

白春夢
type: MusicRecording
duration: PT4M20S
duration ms: 260920
explicit: false
by artist: My Hair is Bad
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO02003659
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/0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7gyjOzSupui7FPNWUgrY2D.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7gyjOzSupui7FPNWUgrY2D
additional property: OTSTimestamp
  type: PropertyValue
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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 0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gyjOzSupui7FPNWUgrY2D.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/7gyjOzSupui7FPNWUgrY2D.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0xa609d8d024e6bbb265ae2d1f758899e971e8b301c08c8ec27922f7e585ef261b","isrc":"JPPO02003659","name":"白春夢","registered_at":"2026-06-04T09:11:04Z","spotify_id":"7gyjOzSupui7FPNWUgrY2D","type":"track"}

so so good
type: MusicRecording
duration: PT3M27S
duration ms: 207586
explicit: false
by artist: Aile The Shota
by artist: Manu
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

世界のつづき
type: MusicRecording
duration: PT4M47S
duration ms: 287986
explicit: false
by artist: Ado
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14
isrc code: JPPO02202655
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T05:01:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x499e9d42c883b5c85dcbcf37e5264add0f0ab713e1a6726aa16b2af85061770e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5J4Be2G6Dx8jQz2oEPZIrC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5J4Be2G6Dx8jQz2oEPZIrC
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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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 0x499e9d42c883b5c85dcbcf37e5264add0f0ab713e1a6726aa16b2af85061770e. 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/5J4Be2G6Dx8jQz2oEPZIrC.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/5J4Be2G6Dx8jQz2oEPZIrC.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x499e9d42c883b5c85dcbcf37e5264add0f0ab713e1a6726aa16b2af85061770e","isrc":"JPPO02202655","name":"世界のつづき","registered_at":"2026-06-11T05:01:43Z","spotify_id":"5J4Be2G6Dx8jQz2oEPZIrC","type":"track"}

Migratory Bird
type: MusicRecording
duration: PT3M36S
duration ms: 216122
explicit: false
by artist: WONK
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

windandwindows
type: MusicRecording
duration: PT5M9S
duration ms: 309533
explicit: false
by artist: 蓮沼執太フルフィル
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

ありがとうさよなら
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duration: PT2M45S
duration ms: 165826
explicit: false
by artist: XinU
in album: Morning Breeze - 朝に聴きたいJ-POP -
  type: MusicAlbum
  date published: 2022-09-14

ただ
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duration: PT3M36S
duration ms: 216374
explicit: false
by artist: My Hair is Bad
in album: もしも生まれ変わったならそっとこんな声になって
  type: MusicAlbum
  date published: 2024-08-28
isrc code: JPPO02403931
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/0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xEKc6wWva0tYlB1bo2bfc.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/2xEKc6wWva0tYlB1bo2bfc.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xbc8d57ba01a932a6443ee98e8eb01ceccb9b955b8b0ea46a496771c95b13a1fb","isrc":"JPPO02403931","name":"ただ","registered_at":"2026-06-04T13:52:45Z","spotify_id":"2xEKc6wWva0tYlB1bo2bfc","type":"track"}

最愛の果て
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duration: PT3M21S
duration ms: 201653
explicit: false
by artist: My Hair is Bad
in album: 時代をあつめて
  type: MusicAlbum
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isrc code: JPPO01614909
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:21:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/08gHWqjHvB86q4cjhNdMhJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08gHWqjHvB86q4cjhNdMhJ
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08gHWqjHvB86q4cjhNdMhJ.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/08gHWqjHvB86q4cjhNdMhJ.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xe99ea80c33cc16667436ae61b2ab17c6f0650c643d9fe5e110fc190f3e7e8fec","isrc":"JPPO01614909","name":"最愛の果て","registered_at":"2026-06-04T07:21:15Z","spotify_id":"08gHWqjHvB86q4cjhNdMhJ","type":"track"}

思い出をかけぬけて
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duration: PT3M51S
duration ms: 231422
explicit: false
by artist: My Hair is Bad
in album: 思い出をかけぬけて
  type: MusicAlbum
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isrc code: JPPO02402888
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:22:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YciBMihZOu9wIbf1gsmP6
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YciBMihZOu9wIbf1gsmP6.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/5YciBMihZOu9wIbf1gsmP6.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x76a13aa52650cb6e40bc5102089e30b30a819f29c7b2faba2d50e749a95f92c3","isrc":"JPPO02402888","name":"思い出をかけぬけて","registered_at":"2026-06-04T13:22:14Z","spotify_id":"5YciBMihZOu9wIbf1gsmP6","type":"track"}

悲劇のヒロイン
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duration: PT3M49S
duration ms: 229760
explicit: false
by artist: My Hair is Bad
in album: 悲劇のヒロイン
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isrc code: JPPO02400165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/72BOlvC2hg6TDSu6RfvtpB
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"72BOlvC2hg6TDSu6RfvtpB","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 0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332. 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/72BOlvC2hg6TDSu6RfvtpB.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/72BOlvC2hg6TDSu6RfvtpB.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"72BOlvC2hg6TDSu6RfvtpB","type":"track"}

瞳にめざめて
type: MusicRecording
duration: PT3M27S
duration ms: 207520
explicit: false
by artist: My Hair is Bad
in album: 瞳にめざめて
  type: MusicAlbum
  date published: 2022-10-26
isrc code: JPPO02203974
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:55:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2Mf4WM0Ek5JjbolrOtjLgi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Mf4WM0Ek5JjbolrOtjLgi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a","isrc":"JPPO02203974","name":"瞳にめざめて","registered_at":"2026-06-04T12:55:04Z","spotify_id":"2Mf4WM0Ek5JjbolrOtjLgi","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 0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Mf4WM0Ek5JjbolrOtjLgi.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/2Mf4WM0Ek5JjbolrOtjLgi.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x94c412a02a9308860bae50d1bade323e13ddde95e2789b5e5786dfe42ace976a","isrc":"JPPO02203974","name":"瞳にめざめて","registered_at":"2026-06-04T12:55:04Z","spotify_id":"2Mf4WM0Ek5JjbolrOtjLgi","type":"track"}

歓声をさがして
type: MusicRecording
duration: PT3M53S
duration ms: 233173
explicit: false
by artist: My Hair is Bad
in album: 歓声をさがして
  type: MusicAlbum
  date published: 2022-03-26
isrc code: JPPO02201004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:13:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3N6QVzApdGF3xInV7HpxZm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3N6QVzApdGF3xInV7HpxZm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"3N6QVzApdGF3xInV7HpxZm","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 0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3N6QVzApdGF3xInV7HpxZm.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/3N6QVzApdGF3xInV7HpxZm.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x6482d403fc0f7116cccf36303b3cae30c77762b2613a406d90ca68f795f468bf","isrc":"JPPO02201004","name":"歓声をさがして","registered_at":"2026-06-04T16:13:53Z","spotify_id":"3N6QVzApdGF3xInV7HpxZm","type":"track"}

自由とヒステリー
type: MusicRecording
duration: PT3M17S
duration ms: 197146
explicit: false
by artist: My Hair is Bad
in album: 自由とヒステリー
  type: MusicAlbum
  date published: 2024-02-21
isrc code: JPPO02400166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T05:48:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6
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/3KislKlpHjR6seRcfu1Eiv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KislKlpHjR6seRcfu1Eiv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"3KislKlpHjR6seRcfu1Eiv","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 0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6. 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/3KislKlpHjR6seRcfu1Eiv.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/3KislKlpHjR6seRcfu1Eiv.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"3KislKlpHjR6seRcfu1Eiv","type":"track"}

太陽
type: MusicRecording
duration: PT4M26S
duration ms: 266917
explicit: false
by artist: My Hair is Bad
in album: 太陽
  type: MusicAlbum
  date published: 2024-03-14
isrc code: JPPO02400665
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:06:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7kzQIvZgFgmLIWnZO1Ug3S.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kzQIvZgFgmLIWnZO1Ug3S
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"7kzQIvZgFgmLIWnZO1Ug3S","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 0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kzQIvZgFgmLIWnZO1Ug3S.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/7kzQIvZgFgmLIWnZO1Ug3S.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"7kzQIvZgFgmLIWnZO1Ug3S","type":"track"}

戦争を知らない大人たち
type: MusicRecording
duration: PT4M23S
duration ms: 263480
explicit: false
by artist: My Hair is Bad
in album: 時代をあつめて
  type: MusicAlbum
  date published: 2016-05-11
isrc code: JPPO01614908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T10:00:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1LmVvSbgKhAJo3dfGwJVmQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LmVvSbgKhAJo3dfGwJVmQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"1LmVvSbgKhAJo3dfGwJVmQ","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 0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LmVvSbgKhAJo3dfGwJVmQ.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/1LmVvSbgKhAJo3dfGwJVmQ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfc15e5f9ce534a36b6ae9e3126c6a6b8faf26cf4e757123f2ba611598dbaae02","isrc":"JPPO01614908","name":"戦争を知らない大人たち","registered_at":"2026-06-06T10:00:45Z","spotify_id":"1LmVvSbgKhAJo3dfGwJVmQ","type":"track"}

悪口たち
type: MusicRecording
duration: PT2M33S
duration ms: 153360
explicit: false
by artist: My Hair is Bad
in album: 時代をあつめて
  type: MusicAlbum
  date published: 2016-05-11
isrc code: JPPO01614910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:56:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/169n0UZ3Ffun6EIBO4i2i3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/169n0UZ3Ffun6EIBO4i2i3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58","isrc":"JPPO01614910","name":"悪口たち","registered_at":"2026-06-06T16:56:20Z","spotify_id":"169n0UZ3Ffun6EIBO4i2i3","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 0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/169n0UZ3Ffun6EIBO4i2i3.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/169n0UZ3Ffun6EIBO4i2i3.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x7408a17f74f4a275878f8ef58c53b142fa972f01b2a1f5d942cdc267240b3b58","isrc":"JPPO01614910","name":"悪口たち","registered_at":"2026-06-06T16:56:20Z","spotify_id":"169n0UZ3Ffun6EIBO4i2i3","type":"track"}

卒業
type: MusicRecording
duration: PT5M22S
duration ms: 322173
explicit: false
by artist: My Hair is Bad
in album: 時代をあつめて
  type: MusicAlbum
  date published: 2016-05-11
isrc code: JPPO01614911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:29:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6Xnx7ApHVMbNN6j7npAXRJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Xnx7ApHVMbNN6j7npAXRJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"6Xnx7ApHVMbNN6j7npAXRJ","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 0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Xnx7ApHVMbNN6j7npAXRJ.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/6Xnx7ApHVMbNN6j7npAXRJ.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x75f28bce4f5a2c8f6a29bbf068d87159c0772d5f6e356012d5d26e7b7ca79c8a","isrc":"JPPO01614911","name":"卒業","registered_at":"2026-06-04T13:29:10Z","spotify_id":"6Xnx7ApHVMbNN6j7npAXRJ","type":"track"}

金星
type: MusicRecording
duration: PT4M4S
duration ms: 244734
explicit: false
by artist: My Hair is Bad
in album: ELLEGARDEN TRIBUTE
  type: MusicAlbum
  date published: 2022-11-11
isrc code: JPPO02204316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T01:34:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11
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/4zLE00KLtkDa44m3BDpbMX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4zLE00KLtkDa44m3BDpbMX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11","isrc":"JPPO02204316","name":"金星","registered_at":"2026-06-08T01:34:32Z","spotify_id":"4zLE00KLtkDa44m3BDpbMX","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 0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11. 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/4zLE00KLtkDa44m3BDpbMX.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/4zLE00KLtkDa44m3BDpbMX.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x6c0a7c269f3f297b187066dd2217b1a32bad09850e1c7bf641a80d7d80a88d11","isrc":"JPPO02204316","name":"金星","registered_at":"2026-06-08T01:34:32Z","spotify_id":"4zLE00KLtkDa44m3BDpbMX","type":"track"}

一母八花
type: MusicRecording
duration: PT3M14S
duration ms: 194946
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402879
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T02:35:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16
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/2qrCfVW3ebkJmUfGCDPnrc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qrCfVW3ebkJmUfGCDPnrc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16","isrc":"JPPO02402879","name":"一母八花","registered_at":"2026-06-06T02:35:36Z","spotify_id":"2qrCfVW3ebkJmUfGCDPnrc","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 0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16. 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/2qrCfVW3ebkJmUfGCDPnrc.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/2qrCfVW3ebkJmUfGCDPnrc.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2d87d1b20ad328f1497c5328e70f66fff39978e013eaaa20441bcff39e920e16","isrc":"JPPO02402879","name":"一母八花","registered_at":"2026-06-06T02:35:36Z","spotify_id":"2qrCfVW3ebkJmUfGCDPnrc","type":"track"}

鳩かもめ
type: MusicRecording
duration: PT3M42S
duration ms: 222920
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:44:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5MDNqw45RsQgsZez7vz3vi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MDNqw45RsQgsZez7vz3vi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27","isrc":"JPPO02402880","name":"鳩かもめ","registered_at":"2026-06-05T11:44:07Z","spotify_id":"5MDNqw45RsQgsZez7vz3vi","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 0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MDNqw45RsQgsZez7vz3vi.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/5MDNqw45RsQgsZez7vz3vi.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x9007450c19642057bb4a499df22196f843064a4ef32b9fffc7de7d42655cdd27","isrc":"JPPO02402880","name":"鳩かもめ","registered_at":"2026-06-05T11:44:07Z","spotify_id":"5MDNqw45RsQgsZez7vz3vi","type":"track"}

悲劇のヒロイン
type: MusicRecording
duration: PT3M49S
duration ms: 229026
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02400165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:28:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332
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/62iKqxfZmDzDxYXBaGLSce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62iKqxfZmDzDxYXBaGLSce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"62iKqxfZmDzDxYXBaGLSce","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 0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332. 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/62iKqxfZmDzDxYXBaGLSce.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/62iKqxfZmDzDxYXBaGLSce.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xa57cb822ae3c4693747c2fa3cba5f570c06dff0065b94343b0ff9fdd8bc9f332","isrc":"JPPO02400165","name":"悲劇のヒロイン","registered_at":"2026-06-04T12:28:57Z","spotify_id":"62iKqxfZmDzDxYXBaGLSce","type":"track"}

自由とヒステリー
type: MusicRecording
duration: PT3M20S
duration ms: 200360
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02400166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T05:48:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6
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/4DCYwyMTi2CdULobzKGLrO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DCYwyMTi2CdULobzKGLrO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"4DCYwyMTi2CdULobzKGLrO","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 0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6. 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/4DCYwyMTi2CdULobzKGLrO.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/4DCYwyMTi2CdULobzKGLrO.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x410cc92eda341ce5a6ff5eb8f0399c5109bae64c46391ccfdd9c40d1d509cad6","isrc":"JPPO02400166","name":"自由とヒステリー","registered_at":"2026-06-05T05:48:27Z","spotify_id":"4DCYwyMTi2CdULobzKGLrO","type":"track"}

あかり
type: MusicRecording
duration: PT4M3S
duration ms: 243160
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:00:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2oipHzDeGgciwQxmEEAne5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oipHzDeGgciwQxmEEAne5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601","isrc":"JPPO02402881","name":"あかり","registered_at":"2026-06-04T12:00:34Z","spotify_id":"2oipHzDeGgciwQxmEEAne5","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 0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oipHzDeGgciwQxmEEAne5.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/2oipHzDeGgciwQxmEEAne5.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x05c01e525fca27e49a48e29ec40d5b6901c600b710e9eda082213d71686dd601","isrc":"JPPO02402881","name":"あかり","registered_at":"2026-06-04T12:00:34Z","spotify_id":"2oipHzDeGgciwQxmEEAne5","type":"track"}

結婚しようよ
type: MusicRecording
duration: PT4M57S
duration ms: 297613
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402882
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:42:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1cfWhvajLAaRQ0w8G1b7Fi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cfWhvajLAaRQ0w8G1b7Fi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9","isrc":"JPPO02402882","name":"結婚しようよ","registered_at":"2026-06-04T14:42:21Z","spotify_id":"1cfWhvajLAaRQ0w8G1b7Fi","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 0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1cfWhvajLAaRQ0w8G1b7Fi.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/1cfWhvajLAaRQ0w8G1b7Fi.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xf08ae4db7463daface6f2b2aa3633befa48ffcf2bab339111c38f9abe9c7f8b9","isrc":"JPPO02402882","name":"結婚しようよ","registered_at":"2026-06-04T14:42:21Z","spotify_id":"1cfWhvajLAaRQ0w8G1b7Fi","type":"track"}

太陽
type: MusicRecording
duration: PT4M26S
duration ms: 266400
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02400665
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:06:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2MOVzm9mBzUsI7aylTyrzi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MOVzm9mBzUsI7aylTyrzi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"2MOVzm9mBzUsI7aylTyrzi","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 0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MOVzm9mBzUsI7aylTyrzi.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/2MOVzm9mBzUsI7aylTyrzi.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xc146963ff19beef2e09b2d13e1a7a13a74069ae11db15d56f88b38b43cbd846b","isrc":"JPPO02400665","name":"太陽","registered_at":"2026-06-05T12:06:28Z","spotify_id":"2MOVzm9mBzUsI7aylTyrzi","type":"track"}

ペガサス
type: MusicRecording
duration: PT1M54S
duration ms: 114093
explicit: false
by artist: My Hair is Bad
in album: ghosts
  type: MusicAlbum
  date published: 2024-07-31
isrc code: JPPO02402883
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:41:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1GDl4i2OCCPmuaOLK8jsk6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1GDl4i2OCCPmuaOLK8jsk6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046","isrc":"JPPO02402883","name":"ペガサス","registered_at":"2026-06-07T18:41:25Z","spotify_id":"1GDl4i2OCCPmuaOLK8jsk6","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 0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GDl4i2OCCPmuaOLK8jsk6.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/1GDl4i2OCCPmuaOLK8jsk6.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbe2ce95fe373bebab091ded9480e9386f20dbc306bffe9cb0d9ff9116e4f9046","isrc":"JPPO02402883","name":"ペガサス","registered_at":"2026-06-07T18:41:25Z","spotify_id":"1GDl4i2OCCPmuaOLK8jsk6","type":"track"}