yutori
type: MusicGroup
genre: japanese indie
genre: j-pop
genre: j-rock
popularity: 36
followers: 28988
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb3851b6d6d17f1f0a8e7dd7e731fda038decc00d2a78578e4a5d3a08ae4a4294
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/a7ac0ec5-2fa1-4821-a51e-67c3ab3e7822.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a7ac0ec5-2fa1-4821-a51e-67c3ab3e7822.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a7ac0ec5-2fa1-4821-a51e-67c3ab3e7822
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → 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 0xb3851b6d6d17f1f0a8e7dd7e731fda038decc00d2a78578e4a5d3a08ae4a4294. 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/a7ac0ec5-2fa1-4821-a51e-67c3ab3e7822.json and https://artists.proofprofile.net/proofs/artist/a7ac0ec5-2fa1-4821-a51e-67c3ab3e7822.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
  track: ワンルーム
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199630
    explicit: false
    by artist: yutori
    in album: 夜間逃避行
      type: MusicAlbum
      date published: 2023-09-06
    isrc code: JPU902302567
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T17:10:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb
    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/3NE9q5iTnzKV8kQ59tPAZY.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NE9q5iTnzKV8kQ59tPAZY
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"3NE9q5iTnzKV8kQ59tPAZY","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 0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb. 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/3NE9q5iTnzKV8kQ59tPAZY.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/3NE9q5iTnzKV8kQ59tPAZY.
      date published: 2026-06-13T13:32:09Z
      text: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"3NE9q5iTnzKV8kQ59tPAZY","type":"track"}
  track: 会いたくなって、飛んだバイト
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215787
    explicit: false
    by artist: yutori
    in album: 夜間逃避行
      type: MusicAlbum
      date published: 2023-09-06
    isrc code: JPU902303193
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T17:39:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28
    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/3eLkHgQdF62pDYXONUzshJ.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eLkHgQdF62pDYXONUzshJ
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"3eLkHgQdF62pDYXONUzshJ","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 0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28. 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/3eLkHgQdF62pDYXONUzshJ.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/3eLkHgQdF62pDYXONUzshJ.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"3eLkHgQdF62pDYXONUzshJ","type":"track"}
  track: センチメンタル
    type: MusicRecording
    duration: PT2M32S
    duration ms: 152312
    explicit: false
    by artist: yutori
    in album: 夜間逃避行
      type: MusicAlbum
      date published: 2023-09-06
    isrc code: JPU902301874
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-09T14:06:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08
    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/1rFu2hZZYs81gQXsrK7e6M.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rFu2hZZYs81gQXsrK7e6M
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"1rFu2hZZYs81gQXsrK7e6M","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 0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08. 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/1rFu2hZZYs81gQXsrK7e6M.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/1rFu2hZZYs81gQXsrK7e6M.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"1rFu2hZZYs81gQXsrK7e6M","type":"track"}
  track: 安眠剤
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199870
    explicit: false
    by artist: yutori
    in album: 夜間逃避行
      type: MusicAlbum
      date published: 2023-09-06
    isrc code: JPU902303294
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T15:05:17+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: ヒメイドディストーション
  track: もしも
  track: 煩イ
  track: 煙より
album: 白い薔薇
album: Luv
album: 有耶無耶
album: 愛してるよ
album: 赤い糸
album: 会いたくなって、飛んだバイト
album: ワンルーム
album: センチメンタル
album: 煙より
album: モラトリアム
album: スイミー
album: キミニアワナイ
album: 音信不通
album: 君と癖
album: 午前零時
album: Hertzmetre
album: スピード - Speed
album: ショートカット
album: 純粋無垢
album: 合鍵とアイロニー
track: 君と癖
track: 音信不通
track: 巡ル
track: H@BREAK
track: 会いたくなって、飛んだバイト
track: 東京
track: スイミー
track: 有耶無耶
track: ワンルーム
track: 愛してるよ
track: 赤い糸
track: センチメンタル
track: 安眠剤
track: ヒメイドディストーション
track: もしも
track: 煩イ
track: 煙より
track: 白い薔薇

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd

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/1j1vCrrmv1xzVcFXqBQm6x.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1j1vCrrmv1xzVcFXqBQm6x

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd","isrc":"JPU902303294","name":"安眠剤","registered_at":"2026-06-06T15:05:17Z","spotify_id":"1j1vCrrmv1xzVcFXqBQm6x","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 0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd. 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/1j1vCrrmv1xzVcFXqBQm6x.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/1j1vCrrmv1xzVcFXqBQm6x.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd","isrc":"JPU902303294","name":"安眠剤","registered_at":"2026-06-06T15:05:17Z","spotify_id":"1j1vCrrmv1xzVcFXqBQm6x","type":"track"}

ヒメイドディストーション
type: MusicRecording
duration: PT2M58S
duration ms: 178075
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:02:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a
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/4QkWzvg0V6OrjsjSbNYlPL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4QkWzvg0V6OrjsjSbNYlPL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a","isrc":"JPU902303295","name":"ヒメイドディストーション","registered_at":"2026-06-09T14:02:28Z","spotify_id":"4QkWzvg0V6OrjsjSbNYlPL","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 0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a. 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/4QkWzvg0V6OrjsjSbNYlPL.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/4QkWzvg0V6OrjsjSbNYlPL.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a","isrc":"JPU902303295","name":"ヒメイドディストーション","registered_at":"2026-06-09T14:02:28Z","spotify_id":"4QkWzvg0V6OrjsjSbNYlPL","type":"track"}

もしも
type: MusicRecording
duration: PT3M21S
duration ms: 201068
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303296
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T03:52:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2
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/55gNkIBcIRpPwyuxF2RyTf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55gNkIBcIRpPwyuxF2RyTf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2","isrc":"JPU902303296","name":"もしも","registered_at":"2026-06-11T03:52:49Z","spotify_id":"55gNkIBcIRpPwyuxF2RyTf","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 0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2. 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/55gNkIBcIRpPwyuxF2RyTf.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/55gNkIBcIRpPwyuxF2RyTf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2","isrc":"JPU902303296","name":"もしも","registered_at":"2026-06-11T03:52:49Z","spotify_id":"55gNkIBcIRpPwyuxF2RyTf","type":"track"}

煩イ
type: MusicRecording
duration: PT2M26S
duration ms: 146030
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303297
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:39:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5
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/2wFJUb4OuNW82DqMUZdxlF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wFJUb4OuNW82DqMUZdxlF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5","isrc":"JPU902303297","name":"煩イ","registered_at":"2026-06-09T03:39:33Z","spotify_id":"2wFJUb4OuNW82DqMUZdxlF","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 0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5. 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/2wFJUb4OuNW82DqMUZdxlF.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/2wFJUb4OuNW82DqMUZdxlF.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5","isrc":"JPU902303297","name":"煩イ","registered_at":"2026-06-09T03:39:33Z","spotify_id":"2wFJUb4OuNW82DqMUZdxlF","type":"track"}

煙より
type: MusicRecording
duration: PT3M22S
duration ms: 202172
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902300094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:36:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4
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/2j4lL3ObWcdi8tKjsybjwm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2j4lL3ObWcdi8tKjsybjwm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"2j4lL3ObWcdi8tKjsybjwm","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 0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4. 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/2j4lL3ObWcdi8tKjsybjwm.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/2j4lL3ObWcdi8tKjsybjwm.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"2j4lL3ObWcdi8tKjsybjwm","type":"track"}

白い薔薇
type: MusicAlbum
date published: 2024-08-14
track: 白い薔薇
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187283
  explicit: false
  by artist: yutori
  in album: 白い薔薇
    type: MusicAlbum
    date published: 2024-08-14
  isrc code: JPU902402349
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T05:34:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7
  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/7i4lppxIktuMTpYwP86S21.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7i4lppxIktuMTpYwP86S21
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"7i4lppxIktuMTpYwP86S21","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 0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7. 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/7i4lppxIktuMTpYwP86S21.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/7i4lppxIktuMTpYwP86S21.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"7i4lppxIktuMTpYwP86S21","type":"track"}

Luv
type: MusicAlbum
date published: 2024-05-22
track: 有耶無耶
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174624
  explicit: false
  by artist: yutori
  in album: Luv
    type: MusicAlbum
    date published: 2024-05-22
  isrc code: JPU902400751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T17:39:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574
  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/1aGMxzFUacfhuBhda5Plqp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1aGMxzFUacfhuBhda5Plqp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"1aGMxzFUacfhuBhda5Plqp","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 0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574. 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/1aGMxzFUacfhuBhda5Plqp.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/1aGMxzFUacfhuBhda5Plqp.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"1aGMxzFUacfhuBhda5Plqp","type":"track"}
track: 巡ル
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194624
  explicit: false
  by artist: yutori
  in album: Luv
    type: MusicAlbum
    date published: 2024-05-22
  isrc code: JPU902401392
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T00:37:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02
  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/3PSfb2OpIHDK4rvL3jwih9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PSfb2OpIHDK4rvL3jwih9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02","isrc":"JPU902401392","name":"巡ル","registered_at":"2026-06-08T00:37:21Z","spotify_id":"3PSfb2OpIHDK4rvL3jwih9","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 0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02. 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/3PSfb2OpIHDK4rvL3jwih9.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/3PSfb2OpIHDK4rvL3jwih9.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02","isrc":"JPU902401392","name":"巡ル","registered_at":"2026-06-08T00:37:21Z","spotify_id":"3PSfb2OpIHDK4rvL3jwih9","type":"track"}
track: H@BREAK
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155374
  explicit: false
  by artist: yutori
  in album: Luv
    type: MusicAlbum
    date published: 2024-05-22
  isrc code: JPU902401391
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T03:36:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f578f6e5fa2cc89c2ed5cd392cadd1df999f07cc66d587e8965e1147d3f3b83
  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/34lKR5ZtGSs7i0BHl5bMGQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/34lKR5ZtGSs7i0BHl5bMGQ
  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 0x7f578f6e5fa2cc89c2ed5cd392cadd1df999f07cc66d587e8965e1147d3f3b83. 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/34lKR5ZtGSs7i0BHl5bMGQ.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/34lKR5ZtGSs7i0BHl5bMGQ.
    date published: 2026-06-13T17:25:41Z
track: 赤い糸
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200874
  explicit: false
  by artist: yutori
  in album: Luv
    type: MusicAlbum
    date published: 2024-05-22
  isrc code: JPU902304797
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:06:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f
  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/2y8gnYS3OTzmZxCP5DPNkh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2y8gnYS3OTzmZxCP5DPNkh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"2y8gnYS3OTzmZxCP5DPNkh","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 0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f. 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/2y8gnYS3OTzmZxCP5DPNkh.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/2y8gnYS3OTzmZxCP5DPNkh.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"2y8gnYS3OTzmZxCP5DPNkh","type":"track"}
track: 愛してるよ
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219374
  explicit: false
  by artist: yutori
  in album: Luv
    type: MusicAlbum
    date published: 2024-05-22
  isrc code: JPU902305063
  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: 東京

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-10T00:13:36+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/73FbbLKttnirUHgRfXKJ3u.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73FbbLKttnirUHgRfXKJ3u

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"73FbbLKttnirUHgRfXKJ3u","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 0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9. 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/73FbbLKttnirUHgRfXKJ3u.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/73FbbLKttnirUHgRfXKJ3u.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"73FbbLKttnirUHgRfXKJ3u","type":"track"}

東京
type: MusicRecording
duration: PT3M28S
duration ms: 208750
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902401393
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T01:54:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180
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/6uzHU0tqgcsglgr6uzzkWy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uzHU0tqgcsglgr6uzzkWy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180","isrc":"JPU902401393","name":"東京","registered_at":"2026-06-11T01:54:32Z","spotify_id":"6uzHU0tqgcsglgr6uzzkWy","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 0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180. 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/6uzHU0tqgcsglgr6uzzkWy.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/6uzHU0tqgcsglgr6uzzkWy.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180","isrc":"JPU902401393","name":"東京","registered_at":"2026-06-11T01:54:32Z","spotify_id":"6uzHU0tqgcsglgr6uzzkWy","type":"track"}

有耶無耶
type: MusicAlbum
date published: 2024-03-13
track: 有耶無耶
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173789
  explicit: false
  by artist: yutori
  in album: 有耶無耶
    type: MusicAlbum
    date published: 2024-03-13
  isrc code: JPU902400751
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T17:39:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574
  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/4pVX9XxR79NlKgtecJpp4F.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4pVX9XxR79NlKgtecJpp4F
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"4pVX9XxR79NlKgtecJpp4F","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 0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574. 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/4pVX9XxR79NlKgtecJpp4F.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/4pVX9XxR79NlKgtecJpp4F.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"4pVX9XxR79NlKgtecJpp4F","type":"track"}

愛してるよ
type: MusicAlbum
date published: 2023-12-20
track: 愛してるよ
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219661
  explicit: false
  by artist: yutori
  in album: 愛してるよ
    type: MusicAlbum
    date published: 2023-12-20
  isrc code: JPU902305063
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:13:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9
  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/20XDiNijvoYBs3ncO2eN4h.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20XDiNijvoYBs3ncO2eN4h
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"20XDiNijvoYBs3ncO2eN4h","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 0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9. 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/20XDiNijvoYBs3ncO2eN4h.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/20XDiNijvoYBs3ncO2eN4h.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"20XDiNijvoYBs3ncO2eN4h","type":"track"}

赤い糸
type: MusicAlbum
date published: 2023-11-29
track: 赤い糸
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202438
  explicit: false
  by artist: yutori
  in album: 赤い糸
    type: MusicAlbum
    date published: 2023-11-29
  isrc code: JPU902304797
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:06:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f
  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/3IyRJqEMThCTZ5BNuxesYt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3IyRJqEMThCTZ5BNuxesYt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"3IyRJqEMThCTZ5BNuxesYt","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 0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f. 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/3IyRJqEMThCTZ5BNuxesYt.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/3IyRJqEMThCTZ5BNuxesYt.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"3IyRJqEMThCTZ5BNuxesYt","type":"track"}

会いたくなって、飛んだバイト
type: MusicAlbum
date published: 2023-08-16
track: 会いたくなって、飛んだバイト
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216005
  explicit: false
  by artist: yutori
  in album: 会いたくなって、飛んだバイト
    type: MusicAlbum
    date published: 2023-08-16
  isrc code: JPU902303193
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T17:39:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28
  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/5zY4faVL5mefzyO4HSBHoc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zY4faVL5mefzyO4HSBHoc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"5zY4faVL5mefzyO4HSBHoc","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 0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28. 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/5zY4faVL5mefzyO4HSBHoc.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/5zY4faVL5mefzyO4HSBHoc.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"5zY4faVL5mefzyO4HSBHoc","type":"track"}

ワンルーム
type: MusicAlbum
date published: 2023-07-14
track: ワンルーム
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201532
  explicit: false
  by artist: yutori
  in album: ワンルーム
    type: MusicAlbum
    date published: 2023-07-14
  isrc code: JPU902302567
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T17:10:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb
  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/10xcLA6dBhg8vD0wxta5fm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10xcLA6dBhg8vD0wxta5fm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"10xcLA6dBhg8vD0wxta5fm","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 0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb. 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/10xcLA6dBhg8vD0wxta5fm.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/10xcLA6dBhg8vD0wxta5fm.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"10xcLA6dBhg8vD0wxta5fm","type":"track"}

センチメンタル
type: MusicAlbum
date published: 2023-05-03
track: センチメンタル
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153805
  explicit: false
  by artist: yutori
  in album: センチメンタル
    type: MusicAlbum
    date published: 2023-05-03
  isrc code: JPU902301874
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T14:06:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08
  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/6ysukl9NYy5csbHVZwVYgt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ysukl9NYy5csbHVZwVYgt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"6ysukl9NYy5csbHVZwVYgt","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 0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08. 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/6ysukl9NYy5csbHVZwVYgt.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/6ysukl9NYy5csbHVZwVYgt.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"6ysukl9NYy5csbHVZwVYgt","type":"track"}

煙より
type: MusicAlbum
date published: 2023-02-10
track: 煙より
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202240
  explicit: false
  by artist: yutori
  in album: 煙より
    type: MusicAlbum
    date published: 2023-02-10
  isrc code: JPU902300094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T00:36:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4
  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/0RD4dGi4NEKoVwuAcVc0Hv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RD4dGi4NEKoVwuAcVc0Hv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"0RD4dGi4NEKoVwuAcVc0Hv","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 0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4. 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/0RD4dGi4NEKoVwuAcVc0Hv.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/0RD4dGi4NEKoVwuAcVc0Hv.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"0RD4dGi4NEKoVwuAcVc0Hv","type":"track"}

モラトリアム
type: MusicAlbum
date published: 2022-11-02
track: モラトリアム
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191620
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902105507
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T03:55:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x47e8d6f9cbdff030c594a5106bb9108e013e64d650db2fe7bec078926df3d2a3
  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/6xUokbrxXheK4GLPsWIHsc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xUokbrxXheK4GLPsWIHsc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x47e8d6f9cbdff030c594a5106bb9108e013e64d650db2fe7bec078926df3d2a3","isrc":"JPU902105507","name":"モラトリアム","registered_at":"2026-06-09T03:55:40Z","spotify_id":"6xUokbrxXheK4GLPsWIHsc","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 0x47e8d6f9cbdff030c594a5106bb9108e013e64d650db2fe7bec078926df3d2a3. 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/6xUokbrxXheK4GLPsWIHsc.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/6xUokbrxXheK4GLPsWIHsc.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x47e8d6f9cbdff030c594a5106bb9108e013e64d650db2fe7bec078926df3d2a3","isrc":"JPU902105507","name":"モラトリアム","registered_at":"2026-06-09T03:55:40Z","spotify_id":"6xUokbrxXheK4GLPsWIHsc","type":"track"}
track: 君と癖
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235174
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902101900
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:19:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6l7Bj3cRxYQgqFwBLptHOI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6l7Bj3cRxYQgqFwBLptHOI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"6l7Bj3cRxYQgqFwBLptHOI","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 0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6l7Bj3cRxYQgqFwBLptHOI.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/6l7Bj3cRxYQgqFwBLptHOI.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"6l7Bj3cRxYQgqFwBLptHOI","type":"track"}
track: 音信不通
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232249
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902104941
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T08:10:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/76rpGVeT8fbUxmOTVTFaE9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76rpGVeT8fbUxmOTVTFaE9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"76rpGVeT8fbUxmOTVTFaE9","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 0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76rpGVeT8fbUxmOTVTFaE9.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/76rpGVeT8fbUxmOTVTFaE9.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"76rpGVeT8fbUxmOTVTFaE9","type":"track"}
track: キミニアワナイ
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243771
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902200418
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:14:38+00:00
track: スイミー
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210109
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902202254
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:01:03+00:00
track: いない君へ
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186047
  explicit: false
  by artist: yutori
  in album: モラトリアム
    type: MusicAlbum
    date published: 2022-11-02
  isrc code: JPU902203714
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:06:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cfffcd59d24ff53b7dbf0c32d5cf132eabb94aed0396da99a9d74bcd44014e5
  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

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953520

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2EvJoYEeghGOBUrouUQKV9.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2EvJoYEeghGOBUrouUQKV9

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x6cfffcd59d24ff53b7dbf0c32d5cf132eabb94aed0396da99a9d74bcd44014e5","isrc":"JPU902203714","name":"いない君へ","registered_at":"2026-06-11T02:06:13Z","spotify_id":"2EvJoYEeghGOBUrouUQKV9","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 0x6cfffcd59d24ff53b7dbf0c32d5cf132eabb94aed0396da99a9d74bcd44014e5. 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/2EvJoYEeghGOBUrouUQKV9.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/2EvJoYEeghGOBUrouUQKV9.
date published: 2026-06-13T13:32:09Z
text: {"copyright_id":"0x6cfffcd59d24ff53b7dbf0c32d5cf132eabb94aed0396da99a9d74bcd44014e5","isrc":"JPU902203714","name":"いない君へ","registered_at":"2026-06-11T02:06:13Z","spotify_id":"2EvJoYEeghGOBUrouUQKV9","type":"track"}

スイミー
type: MusicAlbum
date published: 2022-07-22
track: スイミー
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212158
  explicit: false
  by artist: yutori
  in album: スイミー
    type: MusicAlbum
    date published: 2022-07-22
  isrc code: JPU902202254
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:01:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99
  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/5uCDf8KJdoN1BcXzC2QRaW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uCDf8KJdoN1BcXzC2QRaW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99","isrc":"JPU902202254","name":"スイミー","registered_at":"2026-06-11T02:01:03Z","spotify_id":"5uCDf8KJdoN1BcXzC2QRaW","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 0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99. 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/5uCDf8KJdoN1BcXzC2QRaW.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/5uCDf8KJdoN1BcXzC2QRaW.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99","isrc":"JPU902202254","name":"スイミー","registered_at":"2026-06-11T02:01:03Z","spotify_id":"5uCDf8KJdoN1BcXzC2QRaW","type":"track"}

キミニアワナイ
type: MusicAlbum
date published: 2022-03-26
track: キミニアワナイ
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246590
  explicit: false
  by artist: yutori
  in album: キミニアワナイ
    type: MusicAlbum
    date published: 2022-03-26
  isrc code: JPU902200418
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:14:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x63ea86aa9e3431431aa62d0ed03ef8470d356db004b02f5878ccffdb897c5ed0
  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/789m8qTx7m6TFAzNF7vCdA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/789m8qTx7m6TFAzNF7vCdA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x63ea86aa9e3431431aa62d0ed03ef8470d356db004b02f5878ccffdb897c5ed0","isrc":"JPU902200418","name":"キミニアワナイ","registered_at":"2026-06-10T00:14:38Z","spotify_id":"789m8qTx7m6TFAzNF7vCdA","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 0x63ea86aa9e3431431aa62d0ed03ef8470d356db004b02f5878ccffdb897c5ed0. 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/789m8qTx7m6TFAzNF7vCdA.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/789m8qTx7m6TFAzNF7vCdA.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x63ea86aa9e3431431aa62d0ed03ef8470d356db004b02f5878ccffdb897c5ed0","isrc":"JPU902200418","name":"キミニアワナイ","registered_at":"2026-06-10T00:14:38Z","spotify_id":"789m8qTx7m6TFAzNF7vCdA","type":"track"}

音信不通
type: MusicAlbum
date published: 2021-12-07
track: 音信不通
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234631
  explicit: false
  by artist: yutori
  in album: 音信不通
    type: MusicAlbum
    date published: 2021-12-07
  isrc code: JPU902104941
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T08:10:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc
  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/2SKhuPscMmhpoSaieiEKtS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SKhuPscMmhpoSaieiEKtS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"2SKhuPscMmhpoSaieiEKtS","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 0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc. 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/2SKhuPscMmhpoSaieiEKtS.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/2SKhuPscMmhpoSaieiEKtS.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"2SKhuPscMmhpoSaieiEKtS","type":"track"}

君と癖
type: MusicAlbum
date published: 2021-08-15
track: 君と癖
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238429
  explicit: false
  by artist: yutori
  in album: 君と癖
    type: MusicAlbum
    date published: 2021-08-15
  isrc code: JPU902101900
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:19:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441
  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/4bpZMZWxnYc9zDejhHgjbN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4bpZMZWxnYc9zDejhHgjbN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"4bpZMZWxnYc9zDejhHgjbN","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 0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441. 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/4bpZMZWxnYc9zDejhHgjbN.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/4bpZMZWxnYc9zDejhHgjbN.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"4bpZMZWxnYc9zDejhHgjbN","type":"track"}

午前零時
type: MusicAlbum
date published: 2021-05-22
track: 午前零時
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244465
  explicit: false
  by artist: yutori
  in album: 午前零時
    type: MusicAlbum
    date published: 2021-05-22
  isrc code: JPU902101138
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T17:37:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe38a83c27101e038ac735a2ce29527b71aaf464251c72d614974231c77ed086d
  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/4RaUEZZtqy0EltLThHGbpW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4RaUEZZtqy0EltLThHGbpW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe38a83c27101e038ac735a2ce29527b71aaf464251c72d614974231c77ed086d","isrc":"JPU902101138","name":"午前零時","registered_at":"2026-06-07T17:37:28Z","spotify_id":"4RaUEZZtqy0EltLThHGbpW","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 0xe38a83c27101e038ac735a2ce29527b71aaf464251c72d614974231c77ed086d. 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/4RaUEZZtqy0EltLThHGbpW.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/4RaUEZZtqy0EltLThHGbpW.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xe38a83c27101e038ac735a2ce29527b71aaf464251c72d614974231c77ed086d","isrc":"JPU902101138","name":"午前零時","registered_at":"2026-06-07T17:37:28Z","spotify_id":"4RaUEZZtqy0EltLThHGbpW","type":"track"}

Hertzmetre
type: MusicAlbum
date published: 2025-05-21
track: スピード - Speed
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217706
  explicit: false
  by artist: yutori
  in album: Hertzmetre
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPU902501007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:28:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa
  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/7DQkRRNNoJ59AHlovenQLq.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DQkRRNNoJ59AHlovenQLq
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa","isrc":"JPU902501007","name":"スピード - Speed","registered_at":"2026-06-04T14:28:40Z","spotify_id":"7DQkRRNNoJ59AHlovenQLq","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 0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa. 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/7DQkRRNNoJ59AHlovenQLq.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/7DQkRRNNoJ59AHlovenQLq.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa","isrc":"JPU902501007","name":"スピード - Speed","registered_at":"2026-06-04T14:28:40Z","spotify_id":"7DQkRRNNoJ59AHlovenQLq","type":"track"}
track: NOT MUSIC
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152613
  explicit: false
  by artist: yutori
  in album: Hertzmetre
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPU902501305
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:52:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x25a0705716e3a05f5f90d40eedd6b7ca11d063a283f40120938084ea6ddb6058
  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/2mWgz9OioFdwkzmhgCk88a.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2mWgz9OioFdwkzmhgCk88a
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x25a0705716e3a05f5f90d40eedd6b7ca11d063a283f40120938084ea6ddb6058","isrc":"JPU902501305","name":"NOT MUSIC","registered_at":"2026-06-04T13:52:29Z","spotify_id":"2mWgz9OioFdwkzmhgCk88a","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 0x25a0705716e3a05f5f90d40eedd6b7ca11d063a283f40120938084ea6ddb6058. 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/2mWgz9OioFdwkzmhgCk88a.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/2mWgz9OioFdwkzmhgCk88a.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x25a0705716e3a05f5f90d40eedd6b7ca11d063a283f40120938084ea6ddb6058","isrc":"JPU902501305","name":"NOT MUSIC","registered_at":"2026-06-04T13:52:29Z","spotify_id":"2mWgz9OioFdwkzmhgCk88a","type":"track"}
track: 白い薔薇
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187226
  explicit: false
  by artist: yutori
  in album: Hertzmetre
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPU902402349
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T05:34:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7
  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/2DZAEG9ZlUCYTN7kgnV6mN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2DZAEG9ZlUCYTN7kgnV6mN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"2DZAEG9ZlUCYTN7kgnV6mN","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 0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7. 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/2DZAEG9ZlUCYTN7kgnV6mN.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/2DZAEG9ZlUCYTN7kgnV6mN.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"2DZAEG9ZlUCYTN7kgnV6mN","type":"track"}
track: 合鍵とアイロニー
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173000
  explicit: false
  by artist: yutori
  in album: Hertzmetre
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPU902403329
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T21:22:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67
  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/6TjLGwzCfsZLVH2Q1JwbfD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TjLGwzCfsZLVH2Q1JwbfD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67","isrc":"JPU902403329","name":"合鍵とアイロニー","registered_at":"2026-06-06T21:22:09Z","spotify_id":"6TjLGwzCfsZLVH2Q1JwbfD","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 0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67. 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/6TjLGwzCfsZLVH2Q1JwbfD.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/6TjLGwzCfsZLVH2Q1JwbfD.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67","isrc":"JPU902403329","name":"合鍵とアイロニー","registered_at":"2026-06-06T21:22:09Z","spotify_id":"6TjLGwzCfsZLVH2Q1JwbfD","type":"track"}
track: 1 sheep to sleep
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133613
  explicit: false
  by artist: yutori
  in album: Hertzmetre
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPU902501306
  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: 純粋無垢
track: スーパームーン

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T01:32:08+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x4a9bed5c9ad09f0c1dc8e5240c26a36c8eb32506e550a6271eccd0b0121945ae

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/1dwwfCcDwEqGhvUelxg132.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1dwwfCcDwEqGhvUelxg132

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x4a9bed5c9ad09f0c1dc8e5240c26a36c8eb32506e550a6271eccd0b0121945ae","isrc":"JPU902501306","name":"1 sheep to sleep","registered_at":"2026-06-06T01:32:08Z","spotify_id":"1dwwfCcDwEqGhvUelxg132","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 0x4a9bed5c9ad09f0c1dc8e5240c26a36c8eb32506e550a6271eccd0b0121945ae. 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/1dwwfCcDwEqGhvUelxg132.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/1dwwfCcDwEqGhvUelxg132.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x4a9bed5c9ad09f0c1dc8e5240c26a36c8eb32506e550a6271eccd0b0121945ae","isrc":"JPU902501306","name":"1 sheep to sleep","registered_at":"2026-06-06T01:32:08Z","spotify_id":"1dwwfCcDwEqGhvUelxg132","type":"track"}

純粋無垢
type: MusicRecording
duration: PT3M1S
duration ms: 181640
explicit: false
by artist: yutori
in album: Hertzmetre
  type: MusicAlbum
  date published: 2025-05-21
isrc code: JPU902404191
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:05:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668
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/49S7UECn7fe8P3TtjPMkhs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49S7UECn7fe8P3TtjPMkhs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668","isrc":"JPU902404191","name":"純粋無垢","registered_at":"2026-06-06T15:05:55Z","spotify_id":"49S7UECn7fe8P3TtjPMkhs","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 0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668. 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/49S7UECn7fe8P3TtjPMkhs.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/49S7UECn7fe8P3TtjPMkhs.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668","isrc":"JPU902404191","name":"純粋無垢","registered_at":"2026-06-06T15:05:55Z","spotify_id":"49S7UECn7fe8P3TtjPMkhs","type":"track"}

スーパームーン
type: MusicRecording
duration: PT4M10S
duration ms: 250333
explicit: false
by artist: yutori
in album: Hertzmetre
  type: MusicAlbum
  date published: 2025-05-21
isrc code: JPU902501307
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:04:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb63b0ee965db67e70e9471fb8007067eadd7793d101aa4e1a8c76074baa4ce6e
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/7oayOhSlEVFJoy7zzdwwOK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7oayOhSlEVFJoy7zzdwwOK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb63b0ee965db67e70e9471fb8007067eadd7793d101aa4e1a8c76074baa4ce6e","isrc":"JPU902501307","name":"スーパームーン","registered_at":"2026-06-05T20:04:33Z","spotify_id":"7oayOhSlEVFJoy7zzdwwOK","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 0xb63b0ee965db67e70e9471fb8007067eadd7793d101aa4e1a8c76074baa4ce6e. 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/7oayOhSlEVFJoy7zzdwwOK.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/7oayOhSlEVFJoy7zzdwwOK.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xb63b0ee965db67e70e9471fb8007067eadd7793d101aa4e1a8c76074baa4ce6e","isrc":"JPU902501307","name":"スーパームーン","registered_at":"2026-06-05T20:04:33Z","spotify_id":"7oayOhSlEVFJoy7zzdwwOK","type":"track"}

スピード - Speed
type: MusicAlbum
date published: 2025-04-07
track: スピード - Speed
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218706
  explicit: false
  by artist: yutori
  in album: スピード - Speed
    type: MusicAlbum
    date published: 2025-04-07
  isrc code: JPU902501007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:28:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa
  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/2D3jMiMkKMmvchLMLXLG4T.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2D3jMiMkKMmvchLMLXLG4T
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa","isrc":"JPU902501007","name":"スピード - Speed","registered_at":"2026-06-04T14:28:40Z","spotify_id":"2D3jMiMkKMmvchLMLXLG4T","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 0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa. 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/2D3jMiMkKMmvchLMLXLG4T.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/2D3jMiMkKMmvchLMLXLG4T.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x725a39840224263389f400cc005af4d9e05a989f255dddab0722e7dad16564fa","isrc":"JPU902501007","name":"スピード - Speed","registered_at":"2026-06-04T14:28:40Z","spotify_id":"2D3jMiMkKMmvchLMLXLG4T","type":"track"}

ショートカット
type: MusicAlbum
date published: 2025-02-24
track: ショートカット
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212266
  explicit: false
  by artist: yutori
  in album: ショートカット
    type: MusicAlbum
    date published: 2025-02-24
  isrc code: JPU902500229
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T15:12:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd0db5a7e4b25b9ecbc5cf49c3a6ac8589ba0b6ee4a82a3b21cc0358827803e62
  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/6CHrfuOFJikGNs6JriXdGi.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CHrfuOFJikGNs6JriXdGi
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd0db5a7e4b25b9ecbc5cf49c3a6ac8589ba0b6ee4a82a3b21cc0358827803e62","isrc":"JPU902500229","name":"ショートカット","registered_at":"2026-06-05T15:12:22Z","spotify_id":"6CHrfuOFJikGNs6JriXdGi","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 0xd0db5a7e4b25b9ecbc5cf49c3a6ac8589ba0b6ee4a82a3b21cc0358827803e62. 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/6CHrfuOFJikGNs6JriXdGi.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/6CHrfuOFJikGNs6JriXdGi.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xd0db5a7e4b25b9ecbc5cf49c3a6ac8589ba0b6ee4a82a3b21cc0358827803e62","isrc":"JPU902500229","name":"ショートカット","registered_at":"2026-06-05T15:12:22Z","spotify_id":"6CHrfuOFJikGNs6JriXdGi","type":"track"}

純粋無垢
type: MusicAlbum
date published: 2024-12-18
track: 純粋無垢
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178426
  explicit: false
  by artist: yutori
  in album: 純粋無垢
    type: MusicAlbum
    date published: 2024-12-18
  isrc code: JPU902404191
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T15:05:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668
  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/0HhBVrUqAAMR8UNtU2ANiw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0HhBVrUqAAMR8UNtU2ANiw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668","isrc":"JPU902404191","name":"純粋無垢","registered_at":"2026-06-06T15:05:55Z","spotify_id":"0HhBVrUqAAMR8UNtU2ANiw","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 0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668. 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/0HhBVrUqAAMR8UNtU2ANiw.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/0HhBVrUqAAMR8UNtU2ANiw.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf4403637c49ea8240e56b1962a49d87cda4151d928984cb0b1249104b1bb6668","isrc":"JPU902404191","name":"純粋無垢","registered_at":"2026-06-06T15:05:55Z","spotify_id":"0HhBVrUqAAMR8UNtU2ANiw","type":"track"}

合鍵とアイロニー
type: MusicAlbum
date published: 2024-10-28
track: 合鍵とアイロニー
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172305
  explicit: false
  by artist: yutori
  in album: 合鍵とアイロニー
    type: MusicAlbum
    date published: 2024-10-28
  isrc code: JPU902403329
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T21:22:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67
  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/6Ne6n6vGbAy8yVULukUSZg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ne6n6vGbAy8yVULukUSZg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67","isrc":"JPU902403329","name":"合鍵とアイロニー","registered_at":"2026-06-06T21:22:09Z","spotify_id":"6Ne6n6vGbAy8yVULukUSZg","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 0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67. 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/6Ne6n6vGbAy8yVULukUSZg.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/6Ne6n6vGbAy8yVULukUSZg.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0xd31c9a7ffb05fcaf5230dcc493126a0facfdfb3ec3cf31d2cefe73b793271e67","isrc":"JPU902403329","name":"合鍵とアイロニー","registered_at":"2026-06-06T21:22:09Z","spotify_id":"6Ne6n6vGbAy8yVULukUSZg","type":"track"}

君と癖
type: MusicRecording
duration: PT3M58S
duration ms: 238429
explicit: false
by artist: yutori
in album: 君と癖
  type: MusicAlbum
  date published: 2021-08-15
isrc code: JPU902101900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:19:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441
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/4bpZMZWxnYc9zDejhHgjbN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4bpZMZWxnYc9zDejhHgjbN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"4bpZMZWxnYc9zDejhHgjbN","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 0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441. 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/4bpZMZWxnYc9zDejhHgjbN.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/4bpZMZWxnYc9zDejhHgjbN.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x9b9a55394308a129688424c4d0b9d64fe6c9f46ef5d558ee9fdc19261db4c441","isrc":"JPU902101900","name":"君と癖","registered_at":"2026-06-04T16:19:47Z","spotify_id":"4bpZMZWxnYc9zDejhHgjbN","type":"track"}

音信不通
type: MusicRecording
duration: PT3M54S
duration ms: 234631
explicit: false
by artist: yutori
in album: 音信不通
  type: MusicAlbum
  date published: 2021-12-07
isrc code: JPU902104941
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:10:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc
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/2SKhuPscMmhpoSaieiEKtS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SKhuPscMmhpoSaieiEKtS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"2SKhuPscMmhpoSaieiEKtS","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 0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc. 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/2SKhuPscMmhpoSaieiEKtS.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/2SKhuPscMmhpoSaieiEKtS.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbf4dc0ff40ca541cb0e68ef5be55fd3144eb0cf112447c9fb75ad736eeb5bdcc","isrc":"JPU902104941","name":"音信不通","registered_at":"2026-06-06T08:10:29Z","spotify_id":"2SKhuPscMmhpoSaieiEKtS","type":"track"}

巡ル
type: MusicRecording
duration: PT3M14S
duration ms: 194624
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902401392
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:37:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02
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/3PSfb2OpIHDK4rvL3jwih9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PSfb2OpIHDK4rvL3jwih9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02","isrc":"JPU902401392","name":"巡ル","registered_at":"2026-06-08T00:37:21Z","spotify_id":"3PSfb2OpIHDK4rvL3jwih9","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 0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02. 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/3PSfb2OpIHDK4rvL3jwih9.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/3PSfb2OpIHDK4rvL3jwih9.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x0f3c1efa00348a8518b6c321e1c97a3eb9399de2bd2bd0bc541a0039a7bc1b02","isrc":"JPU902401392","name":"巡ル","registered_at":"2026-06-08T00:37:21Z","spotify_id":"3PSfb2OpIHDK4rvL3jwih9","type":"track"}

H@BREAK
type: MusicRecording
duration: PT2M35S
duration ms: 155374
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902401391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:36:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f578f6e5fa2cc89c2ed5cd392cadd1df999f07cc66d587e8965e1147d3f3b83
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/34lKR5ZtGSs7i0BHl5bMGQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/34lKR5ZtGSs7i0BHl5bMGQ
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 0x7f578f6e5fa2cc89c2ed5cd392cadd1df999f07cc66d587e8965e1147d3f3b83. 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/34lKR5ZtGSs7i0BHl5bMGQ.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/34lKR5ZtGSs7i0BHl5bMGQ.
  date published: 2026-06-13T17:25:41Z

会いたくなって、飛んだバイト
type: MusicRecording
duration: PT3M36S
duration ms: 216005
explicit: false
by artist: yutori
in album: 会いたくなって、飛んだバイト
  type: MusicAlbum
  date published: 2023-08-16
isrc code: JPU902303193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T17:39:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28
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/5zY4faVL5mefzyO4HSBHoc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zY4faVL5mefzyO4HSBHoc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"5zY4faVL5mefzyO4HSBHoc","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 0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28. 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/5zY4faVL5mefzyO4HSBHoc.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/5zY4faVL5mefzyO4HSBHoc.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"5zY4faVL5mefzyO4HSBHoc","type":"track"}

東京
type: MusicRecording
duration: PT3M28S
duration ms: 208750
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902401393
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T01:54:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180
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/6uzHU0tqgcsglgr6uzzkWy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uzHU0tqgcsglgr6uzzkWy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180","isrc":"JPU902401393","name":"東京","registered_at":"2026-06-11T01:54:32Z","spotify_id":"6uzHU0tqgcsglgr6uzzkWy","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 0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180. 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/6uzHU0tqgcsglgr6uzzkWy.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/6uzHU0tqgcsglgr6uzzkWy.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd7e77417199333389f0b17db091edcb681cd07477a520cb4ee65b23e6f733180","isrc":"JPU902401393","name":"東京","registered_at":"2026-06-11T01:54:32Z","spotify_id":"6uzHU0tqgcsglgr6uzzkWy","type":"track"}

スイミー
type: MusicRecording
duration: PT3M32S
duration ms: 212158
explicit: false
by artist: yutori
in album: スイミー
  type: MusicAlbum
  date published: 2022-07-22
isrc code: JPU902202254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T02:01:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99
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/5uCDf8KJdoN1BcXzC2QRaW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uCDf8KJdoN1BcXzC2QRaW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99","isrc":"JPU902202254","name":"スイミー","registered_at":"2026-06-11T02:01:03Z","spotify_id":"5uCDf8KJdoN1BcXzC2QRaW","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 0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99. 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/5uCDf8KJdoN1BcXzC2QRaW.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/5uCDf8KJdoN1BcXzC2QRaW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3d770410dbf0e9a80b7c80bae17ee4218830b1064dc2c51ae9e330df89a2de99","isrc":"JPU902202254","name":"スイミー","registered_at":"2026-06-11T02:01:03Z","spotify_id":"5uCDf8KJdoN1BcXzC2QRaW","type":"track"}

有耶無耶
type: MusicRecording
duration: PT2M54S
duration ms: 174624
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902400751
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T17:39:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574
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/1aGMxzFUacfhuBhda5Plqp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1aGMxzFUacfhuBhda5Plqp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"1aGMxzFUacfhuBhda5Plqp","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 0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574. 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/1aGMxzFUacfhuBhda5Plqp.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/1aGMxzFUacfhuBhda5Plqp.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x17193e68569220e0afd313de6435f31978ff5809da6136a6d0700490481ff574","isrc":"JPU902400751","name":"有耶無耶","registered_at":"2026-06-07T17:39:40Z","spotify_id":"1aGMxzFUacfhuBhda5Plqp","type":"track"}

ワンルーム
type: MusicRecording
duration: PT3M21S
duration ms: 201532
explicit: false
by artist: yutori
in album: ワンルーム
  type: MusicAlbum
  date published: 2023-07-14
isrc code: JPU902302567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:10:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb
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/10xcLA6dBhg8vD0wxta5fm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10xcLA6dBhg8vD0wxta5fm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"10xcLA6dBhg8vD0wxta5fm","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 0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb. 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/10xcLA6dBhg8vD0wxta5fm.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/10xcLA6dBhg8vD0wxta5fm.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"10xcLA6dBhg8vD0wxta5fm","type":"track"}

愛してるよ
type: MusicRecording
duration: PT3M39S
duration ms: 219374
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902305063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T00:13:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9
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/73FbbLKttnirUHgRfXKJ3u.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73FbbLKttnirUHgRfXKJ3u
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"73FbbLKttnirUHgRfXKJ3u","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 0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9. 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/73FbbLKttnirUHgRfXKJ3u.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/73FbbLKttnirUHgRfXKJ3u.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x27c9589355d3bcffb178d4bb6de0b0b6951e14ea88aa2e5d029a27466e711ed9","isrc":"JPU902305063","name":"愛してるよ","registered_at":"2026-06-10T00:13:36Z","spotify_id":"73FbbLKttnirUHgRfXKJ3u","type":"track"}

赤い糸
type: MusicRecording
duration: PT3M20S
duration ms: 200874
explicit: false
by artist: yutori
in album: Luv
  type: MusicAlbum
  date published: 2024-05-22
isrc code: JPU902304797
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T02:06:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f
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/2y8gnYS3OTzmZxCP5DPNkh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2y8gnYS3OTzmZxCP5DPNkh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"2y8gnYS3OTzmZxCP5DPNkh","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 0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f. 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/2y8gnYS3OTzmZxCP5DPNkh.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/2y8gnYS3OTzmZxCP5DPNkh.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x95dd40e8c5e4f94e4e20354fa56e9aa443d3f4351afca0d33a948ae77689d66f","isrc":"JPU902304797","name":"赤い糸","registered_at":"2026-06-11T02:06:07Z","spotify_id":"2y8gnYS3OTzmZxCP5DPNkh","type":"track"}

ワンルーム
type: MusicRecording
duration: PT3M19S
duration ms: 199630
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902302567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:10:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb
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/3NE9q5iTnzKV8kQ59tPAZY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3NE9q5iTnzKV8kQ59tPAZY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"3NE9q5iTnzKV8kQ59tPAZY","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 0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb. 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/3NE9q5iTnzKV8kQ59tPAZY.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/3NE9q5iTnzKV8kQ59tPAZY.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x2c2facad175e247ef439483d0bc225f8a461d7ab3de4a524158d57617173ccdb","isrc":"JPU902302567","name":"ワンルーム","registered_at":"2026-06-08T17:10:31Z","spotify_id":"3NE9q5iTnzKV8kQ59tPAZY","type":"track"}

会いたくなって、飛んだバイト
type: MusicRecording
duration: PT3M35S
duration ms: 215787
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T17:39:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28
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/3eLkHgQdF62pDYXONUzshJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eLkHgQdF62pDYXONUzshJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"3eLkHgQdF62pDYXONUzshJ","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 0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28. 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/3eLkHgQdF62pDYXONUzshJ.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/3eLkHgQdF62pDYXONUzshJ.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x1188207ad9fbb8283804a12f72c45bddf295edae7d9cf6ad4d5c92914ac29d28","isrc":"JPU902303193","name":"会いたくなって、飛んだバイト","registered_at":"2026-06-07T17:39:18Z","spotify_id":"3eLkHgQdF62pDYXONUzshJ","type":"track"}

センチメンタル
type: MusicRecording
duration: PT2M32S
duration ms: 152312
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902301874
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:06:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08
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/1rFu2hZZYs81gQXsrK7e6M.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rFu2hZZYs81gQXsrK7e6M
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"1rFu2hZZYs81gQXsrK7e6M","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 0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08. 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/1rFu2hZZYs81gQXsrK7e6M.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/1rFu2hZZYs81gQXsrK7e6M.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7652e6b75e2e3ddf01b0c0d8bc6782bb15773e1a50d856e8eab9297605963b08","isrc":"JPU902301874","name":"センチメンタル","registered_at":"2026-06-09T14:06:12Z","spotify_id":"1rFu2hZZYs81gQXsrK7e6M","type":"track"}

安眠剤
type: MusicRecording
duration: PT3M19S
duration ms: 199870
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303294
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:05:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd
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/1j1vCrrmv1xzVcFXqBQm6x.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1j1vCrrmv1xzVcFXqBQm6x
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd","isrc":"JPU902303294","name":"安眠剤","registered_at":"2026-06-06T15:05:17Z","spotify_id":"1j1vCrrmv1xzVcFXqBQm6x","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 0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd. 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/1j1vCrrmv1xzVcFXqBQm6x.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/1j1vCrrmv1xzVcFXqBQm6x.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xd92ae5f8284725aaf26ca8d1786708305b3ff894c67a8888ab25350fbd3642dd","isrc":"JPU902303294","name":"安眠剤","registered_at":"2026-06-06T15:05:17Z","spotify_id":"1j1vCrrmv1xzVcFXqBQm6x","type":"track"}

ヒメイドディストーション
type: MusicRecording
duration: PT2M58S
duration ms: 178075
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:02:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a
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/4QkWzvg0V6OrjsjSbNYlPL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4QkWzvg0V6OrjsjSbNYlPL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a","isrc":"JPU902303295","name":"ヒメイドディストーション","registered_at":"2026-06-09T14:02:28Z","spotify_id":"4QkWzvg0V6OrjsjSbNYlPL","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 0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a. 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/4QkWzvg0V6OrjsjSbNYlPL.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/4QkWzvg0V6OrjsjSbNYlPL.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x30a945bfae489da9799eabc3487d8c8b9c080f664193a9d2e789a08d3b519c4a","isrc":"JPU902303295","name":"ヒメイドディストーション","registered_at":"2026-06-09T14:02:28Z","spotify_id":"4QkWzvg0V6OrjsjSbNYlPL","type":"track"}

もしも
type: MusicRecording
duration: PT3M21S
duration ms: 201068
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303296
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T03:52:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2
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/55gNkIBcIRpPwyuxF2RyTf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/55gNkIBcIRpPwyuxF2RyTf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2","isrc":"JPU902303296","name":"もしも","registered_at":"2026-06-11T03:52:49Z","spotify_id":"55gNkIBcIRpPwyuxF2RyTf","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 0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2. 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/55gNkIBcIRpPwyuxF2RyTf.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/55gNkIBcIRpPwyuxF2RyTf.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd6c33b46504bdf355b896922c7d94800b1f4c0c3b41f10dc47736d2f17b27ac2","isrc":"JPU902303296","name":"もしも","registered_at":"2026-06-11T03:52:49Z","spotify_id":"55gNkIBcIRpPwyuxF2RyTf","type":"track"}

煩イ
type: MusicRecording
duration: PT2M26S
duration ms: 146030
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902303297
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:39:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5
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/2wFJUb4OuNW82DqMUZdxlF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wFJUb4OuNW82DqMUZdxlF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5","isrc":"JPU902303297","name":"煩イ","registered_at":"2026-06-09T03:39:33Z","spotify_id":"2wFJUb4OuNW82DqMUZdxlF","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 0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5. 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/2wFJUb4OuNW82DqMUZdxlF.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/2wFJUb4OuNW82DqMUZdxlF.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x50bc5cb0f30d13f5e3e61d7a1d138d0e1756673d3aaf705ff6e52ec1fb03cca5","isrc":"JPU902303297","name":"煩イ","registered_at":"2026-06-09T03:39:33Z","spotify_id":"2wFJUb4OuNW82DqMUZdxlF","type":"track"}

煙より
type: MusicRecording
duration: PT3M22S
duration ms: 202172
explicit: false
by artist: yutori
in album: 夜間逃避行
  type: MusicAlbum
  date published: 2023-09-06
isrc code: JPU902300094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:36:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4
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/2j4lL3ObWcdi8tKjsybjwm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2j4lL3ObWcdi8tKjsybjwm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"2j4lL3ObWcdi8tKjsybjwm","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 0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4. 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/2j4lL3ObWcdi8tKjsybjwm.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/2j4lL3ObWcdi8tKjsybjwm.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4b980bfa03ab8079818831dc55e56121bc0e14da589f43d898c52fb6d52717c4","isrc":"JPU902300094","name":"煙より","registered_at":"2026-06-08T00:36:47Z","spotify_id":"2j4lL3ObWcdi8tKjsybjwm","type":"track"}

白い薔薇
type: MusicRecording
duration: PT3M7S
duration ms: 187283
explicit: false
by artist: yutori
in album: 白い薔薇
  type: MusicAlbum
  date published: 2024-08-14
isrc code: JPU902402349
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:34:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7
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/7i4lppxIktuMTpYwP86S21.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7i4lppxIktuMTpYwP86S21
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"7i4lppxIktuMTpYwP86S21","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 0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7. 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/7i4lppxIktuMTpYwP86S21.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/7i4lppxIktuMTpYwP86S21.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xdceede299ff27ee271e66dbc317d5e3e053fa2129103e6ca856bd311d51140d7","isrc":"JPU902402349","name":"白い薔薇","registered_at":"2026-06-07T05:34:10Z","spotify_id":"7i4lppxIktuMTpYwP86S21","type":"track"}