高木さん(CV:高橋李依)
type: MusicGroup
genre: anime
genre: j-pop
popularity: 41
followers: 55037
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf23f8d18f136fc1583f93e506f557672c6b57ffd7ccb29917c6d31c81672a74b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a0353e2-e2b7-4424-b169-f047b13b2e54.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a0353e2-e2b7-4424-b169-f047b13b2e54.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6a0353e2-e2b7-4424-b169-f047b13b2e54
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf23f8d18f136fc1583f93e506f557672c6b57ffd7ccb29917c6d31c81672a74b","name":"高木さん(CV:高橋李依)","registered_at":"2026-06-11T23:35:58Z","symbol":"NIM0138413","token_address":"0xc8eb9699fdb8b43d9a0fde80e3ea0dff740acba1","type":"artist","uuid":"6a0353e2-e2b7-4424-b169-f047b13b2e54"}
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 0xf23f8d18f136fc1583f93e506f557672c6b57ffd7ccb29917c6d31c81672a74b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a0353e2-e2b7-4424-b169-f047b13b2e54.json and https://artists.proofprofile.net/proofs/artist/6a0353e2-e2b7-4424-b169-f047b13b2e54.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf23f8d18f136fc1583f93e506f557672c6b57ffd7ccb29917c6d31c81672a74b","name":"高木さん(CV:高橋李依)","registered_at":"2026-06-11T23:35:58Z","symbol":"NIM0138413","token_address":"0xc8eb9699fdb8b43d9a0fde80e3ea0dff740acba1","type":"artist","uuid":"6a0353e2-e2b7-4424-b169-f047b13b2e54"}
album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
  track: 奏(かなで)
    type: MusicRecording
    duration: PT5M27S
    duration ms: 327126
    explicit: false
    by artist: 高木さん(CV:高橋李依)
    in album: からかい上手の高木さん2 Cover song collection
      type: MusicAlbum
      date published: 2019-09-25
    isrc code: JPV431900034
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T16:00:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439
    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/1Hg5Fia8ZH7Km2cDg9ooYb.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Hg5Fia8ZH7Km2cDg9ooYb
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439","isrc":"JPV431900034","name":"奏(かなで)","registered_at":"2026-06-05T16:00:22Z","spotify_id":"1Hg5Fia8ZH7Km2cDg9ooYb","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 0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439. 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/1Hg5Fia8ZH7Km2cDg9ooYb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Hg5Fia8ZH7Km2cDg9ooYb.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439","isrc":"JPV431900034","name":"奏(かなで)","registered_at":"2026-06-05T16:00:22Z","spotify_id":"1Hg5Fia8ZH7Km2cDg9ooYb","type":"track"}
  track: 粉雪
    type: MusicRecording
    duration: PT5M22S
    duration ms: 322495
    explicit: false
    by artist: 高木さん(CV:高橋李依)
    in album: からかい上手の高木さん2 Cover song collection
      type: MusicAlbum
      date published: 2019-09-25
    isrc code: JPV431900038
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T02:32:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481
    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/5p55h7Z2OBbDvwaxheKTr8.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p55h7Z2OBbDvwaxheKTr8
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481","isrc":"JPV431900038","name":"粉雪","registered_at":"2026-06-06T02:32:01Z","spotify_id":"5p55h7Z2OBbDvwaxheKTr8","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 0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481. 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/5p55h7Z2OBbDvwaxheKTr8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p55h7Z2OBbDvwaxheKTr8.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481","isrc":"JPV431900038","name":"粉雪","registered_at":"2026-06-06T02:32:01Z","spotify_id":"5p55h7Z2OBbDvwaxheKTr8","type":"track"}
  track: キセキ
    type: MusicRecording
    duration: PT4M30S
    duration ms: 270121
    explicit: false
    by artist: 高木さん(CV:高橋李依)
    in album: からかい上手の高木さん2 Cover song collection
      type: MusicAlbum
      date published: 2019-09-25
    isrc code: JPV431900042
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T14:50:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4
    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/26coSq3Zo1bjPlyFVgwc11.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26coSq3Zo1bjPlyFVgwc11
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4","isrc":"JPV431900042","name":"キセキ","registered_at":"2026-06-04T14:50:13Z","spotify_id":"26coSq3Zo1bjPlyFVgwc11","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 0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4. 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/26coSq3Zo1bjPlyFVgwc11.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26coSq3Zo1bjPlyFVgwc11.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4","isrc":"JPV431900042","name":"キセキ","registered_at":"2026-06-04T14:50:13Z","spotify_id":"26coSq3Zo1bjPlyFVgwc11","type":"track"}
  track: ありがとう
    type: MusicRecording
    duration: PT5M59S
    duration ms: 359281
    explicit: false
    by artist: 高木さん(CV:高橋李依)
    in album: からかい上手の高木さん2 Cover song collection
      type: MusicAlbum
      date published: 2019-09-25
    isrc code: JPV431900046
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T09:05:04+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: STARS
  track: あなたに
  track: 言わないけどね。
  track: やさしい気持ち
album: からかい上手の高木さん Cover song collection
track: 小さな恋のうた
track: 気まぐれロマンティック
track: 愛唄
track: 出逢った頃のように
track: AM11:00
track: 自転車
track: 風吹けば恋
track: 奏(かなで)
track: 粉雪
track: キセキ
track: ありがとう
track: STARS
track: あなたに
track: 言わないけどね。
track: やさしい気持ち

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50

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/6vh4m5T5KMFxdKegDeXnm4.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vh4m5T5KMFxdKegDeXnm4

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50","isrc":"JPV431900046","name":"ありがとう","registered_at":"2026-06-06T09:05:04Z","spotify_id":"6vh4m5T5KMFxdKegDeXnm4","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 0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50. 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/6vh4m5T5KMFxdKegDeXnm4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vh4m5T5KMFxdKegDeXnm4.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50","isrc":"JPV431900046","name":"ありがとう","registered_at":"2026-06-06T09:05:04Z","spotify_id":"6vh4m5T5KMFxdKegDeXnm4","type":"track"}

STARS
type: MusicRecording
duration: PT6M4S
duration ms: 364762
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:16:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a9d63c8f0c09f548771a4d4faa03e777d95f7ca7c769a3772c1e0561928a3f1
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/32ZtCx8LgMNbwLAsrKnssz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32ZtCx8LgMNbwLAsrKnssz
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 0x7a9d63c8f0c09f548771a4d4faa03e777d95f7ca7c769a3772c1e0561928a3f1. 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/32ZtCx8LgMNbwLAsrKnssz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32ZtCx8LgMNbwLAsrKnssz.
  date published: 2026-06-13T17:25:41Z

あなたに
type: MusicRecording
duration: PT3M14S
duration ms: 194831
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:19:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd
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/0JxsibuxzDijNdlWTlMQ3v.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JxsibuxzDijNdlWTlMQ3v
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd","isrc":"JPV431900100","name":"あなたに","registered_at":"2026-06-07T12:19:49Z","spotify_id":"0JxsibuxzDijNdlWTlMQ3v","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 0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd. 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/0JxsibuxzDijNdlWTlMQ3v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JxsibuxzDijNdlWTlMQ3v.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd","isrc":"JPV431900100","name":"あなたに","registered_at":"2026-06-07T12:19:49Z","spotify_id":"0JxsibuxzDijNdlWTlMQ3v","type":"track"}

言わないけどね。
type: MusicRecording
duration: PT4M30S
duration ms: 270458
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:58:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68
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/0TYEBK9k4wLp2egnebgOc2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TYEBK9k4wLp2egnebgOc2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68","isrc":"JPV431900104","name":"言わないけどね。","registered_at":"2026-06-05T15:58:42Z","spotify_id":"0TYEBK9k4wLp2egnebgOc2","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 0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68. 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/0TYEBK9k4wLp2egnebgOc2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TYEBK9k4wLp2egnebgOc2.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68","isrc":"JPV431900104","name":"言わないけどね。","registered_at":"2026-06-05T15:58:42Z","spotify_id":"0TYEBK9k4wLp2egnebgOc2","type":"track"}

やさしい気持ち
type: MusicRecording
duration: PT3M5S
duration ms: 185181
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:17:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94a29fa14ef57255cb39ad8d35ce2e2d60d52bbf20f3f72e548c05c192697f04
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/5aaGjAEUGl8VkHnxEIoMWv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aaGjAEUGl8VkHnxEIoMWv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x94a29fa14ef57255cb39ad8d35ce2e2d60d52bbf20f3f72e548c05c192697f04","isrc":"JPV431900107","name":"やさしい気持ち","registered_at":"2026-06-07T06:17:37Z","spotify_id":"5aaGjAEUGl8VkHnxEIoMWv","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 0x94a29fa14ef57255cb39ad8d35ce2e2d60d52bbf20f3f72e548c05c192697f04. 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/5aaGjAEUGl8VkHnxEIoMWv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aaGjAEUGl8VkHnxEIoMWv.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x94a29fa14ef57255cb39ad8d35ce2e2d60d52bbf20f3f72e548c05c192697f04","isrc":"JPV431900107","name":"やさしい気持ち","registered_at":"2026-06-07T06:17:37Z","spotify_id":"5aaGjAEUGl8VkHnxEIoMWv","type":"track"}

からかい上手の高木さん Cover song collection
type: MusicAlbum
date published: 2018-03-28
track: 気まぐれロマンティック
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244017
  explicit: false
  by artist: 高木さん(CV:高橋李依)
  in album: からかい上手の高木さん Cover song collection
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPV431700731
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:00:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404
  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/2ivTDMirJsFKznRukF1Dga.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ivTDMirJsFKznRukF1Dga
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404","isrc":"JPV431700731","name":"気まぐれロマンティック","registered_at":"2026-06-04T16:00:32Z","spotify_id":"2ivTDMirJsFKznRukF1Dga","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 0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404. 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/2ivTDMirJsFKznRukF1Dga.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ivTDMirJsFKznRukF1Dga.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404","isrc":"JPV431700731","name":"気まぐれロマンティック","registered_at":"2026-06-04T16:00:32Z","spotify_id":"2ivTDMirJsFKznRukF1Dga","type":"track"}
track: AM11:00
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309017
  explicit: false
  by artist: 高木さん(CV:高橋李依)
  in album: からかい上手の高木さん Cover song collection
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPV431700732
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T02:34:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x55b33b7ab84bde579d0a434c65a891afd774fc4a97a3292f8734079653eef6d2
  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/6PlF1HEhy5uTlzNvFCqffE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PlF1HEhy5uTlzNvFCqffE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55b33b7ab84bde579d0a434c65a891afd774fc4a97a3292f8734079653eef6d2. 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/6PlF1HEhy5uTlzNvFCqffE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PlF1HEhy5uTlzNvFCqffE.
    date published: 2026-06-13T15:41:10Z
track: 自転車
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246017
  explicit: false
  by artist: 高木さん(CV:高橋李依)
  in album: からかい上手の高木さん Cover song collection
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPV431700733
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T11:45:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3
  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/6EbAtSmKVUV394YVTz8E8K.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EbAtSmKVUV394YVTz8E8K
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3","isrc":"JPV431700733","name":"自転車","registered_at":"2026-06-07T11:45:50Z","spotify_id":"6EbAtSmKVUV394YVTz8E8K","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 0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3. 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/6EbAtSmKVUV394YVTz8E8K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EbAtSmKVUV394YVTz8E8K.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3","isrc":"JPV431700733","name":"自転車","registered_at":"2026-06-07T11:45:50Z","spotify_id":"6EbAtSmKVUV394YVTz8E8K","type":"track"}
track: 風吹けば恋
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222017
  explicit: false
  by artist: 高木さん(CV:高橋李依)
  in album: からかい上手の高木さん Cover song collection
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPV431700734
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T18:38:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b
  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/7j59Ah5wGFh0WwK1z2o1UX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j59Ah5wGFh0WwK1z2o1UX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b","isrc":"JPV431700734","name":"風吹けば恋","registered_at":"2026-06-07T18:38:18Z","spotify_id":"7j59Ah5wGFh0WwK1z2o1UX","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 0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b. 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/7j59Ah5wGFh0WwK1z2o1UX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j59Ah5wGFh0WwK1z2o1UX.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b","isrc":"JPV431700734","name":"風吹けば恋","registered_at":"2026-06-07T18:38:18Z","spotify_id":"7j59Ah5wGFh0WwK1z2o1UX","type":"track"}
track: 小さな恋のうた
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247017
  explicit: false
  by artist: 高木さん(CV:高橋李依)
  in album: からかい上手の高木さん Cover song collection
    type: MusicAlbum
    date published: 2018-03-28
  isrc code: JPV431700735
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: 愛唄
track: 出逢った頃のように

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-04T11:16:33+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

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

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3rysOpH29UDtPpv5W2pzWZ.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rysOpH29UDtPpv5W2pzWZ

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

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d","isrc":"JPV431700735","name":"小さな恋のうた","registered_at":"2026-06-04T11:16:33Z","spotify_id":"3rysOpH29UDtPpv5W2pzWZ","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 0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d. 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/3rysOpH29UDtPpv5W2pzWZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rysOpH29UDtPpv5W2pzWZ.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d","isrc":"JPV431700735","name":"小さな恋のうた","registered_at":"2026-06-04T11:16:33Z","spotify_id":"3rysOpH29UDtPpv5W2pzWZ","type":"track"}

愛唄
type: MusicRecording
duration: PT3M56S
duration ms: 236253
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T04:09:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b
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/00lHfj1GGwbJQJAQvYIojp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00lHfj1GGwbJQJAQvYIojp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b","isrc":"JPV431700736","name":"愛唄","registered_at":"2026-06-05T04:09:18Z","spotify_id":"00lHfj1GGwbJQJAQvYIojp","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 0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b. 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/00lHfj1GGwbJQJAQvYIojp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00lHfj1GGwbJQJAQvYIojp.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b","isrc":"JPV431700736","name":"愛唄","registered_at":"2026-06-05T04:09:18Z","spotify_id":"00lHfj1GGwbJQJAQvYIojp","type":"track"}

出逢った頃のように
type: MusicRecording
duration: PT4M39S
duration ms: 279280
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79
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/5q31zvZPavmxlIaNtiCqSm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5q31zvZPavmxlIaNtiCqSm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79","isrc":"JPV431700737","name":"出逢った頃のように","registered_at":"2026-06-05T20:46:22Z","spotify_id":"5q31zvZPavmxlIaNtiCqSm","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 0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79. 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/5q31zvZPavmxlIaNtiCqSm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5q31zvZPavmxlIaNtiCqSm.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79","isrc":"JPV431700737","name":"出逢った頃のように","registered_at":"2026-06-05T20:46:22Z","spotify_id":"5q31zvZPavmxlIaNtiCqSm","type":"track"}

小さな恋のうた
type: MusicRecording
duration: PT4M7S
duration ms: 247017
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700735
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:16:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d
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/3rysOpH29UDtPpv5W2pzWZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rysOpH29UDtPpv5W2pzWZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d","isrc":"JPV431700735","name":"小さな恋のうた","registered_at":"2026-06-04T11:16:33Z","spotify_id":"3rysOpH29UDtPpv5W2pzWZ","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 0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d. 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/3rysOpH29UDtPpv5W2pzWZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rysOpH29UDtPpv5W2pzWZ.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x8e71e585cd7a9ed018db88115b5743530367b1a690527d9862cdab268c8a6c0d","isrc":"JPV431700735","name":"小さな恋のうた","registered_at":"2026-06-04T11:16:33Z","spotify_id":"3rysOpH29UDtPpv5W2pzWZ","type":"track"}

気まぐれロマンティック
type: MusicRecording
duration: PT4M4S
duration ms: 244017
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:00:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404
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/2ivTDMirJsFKznRukF1Dga.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ivTDMirJsFKznRukF1Dga
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404","isrc":"JPV431700731","name":"気まぐれロマンティック","registered_at":"2026-06-04T16:00:32Z","spotify_id":"2ivTDMirJsFKznRukF1Dga","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 0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404. 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/2ivTDMirJsFKznRukF1Dga.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ivTDMirJsFKznRukF1Dga.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xceb608d3cd0067b29b68633a38162c224f7d4e86317004678c16145491136404","isrc":"JPV431700731","name":"気まぐれロマンティック","registered_at":"2026-06-04T16:00:32Z","spotify_id":"2ivTDMirJsFKznRukF1Dga","type":"track"}

愛唄
type: MusicRecording
duration: PT3M56S
duration ms: 236253
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T04:09:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b
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/00lHfj1GGwbJQJAQvYIojp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00lHfj1GGwbJQJAQvYIojp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b","isrc":"JPV431700736","name":"愛唄","registered_at":"2026-06-05T04:09:18Z","spotify_id":"00lHfj1GGwbJQJAQvYIojp","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 0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b. 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/00lHfj1GGwbJQJAQvYIojp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00lHfj1GGwbJQJAQvYIojp.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x36f28edadbb63a9b34a3ba31293c67269d78b9b73b0096ae036c355298daa73b","isrc":"JPV431700736","name":"愛唄","registered_at":"2026-06-05T04:09:18Z","spotify_id":"00lHfj1GGwbJQJAQvYIojp","type":"track"}

出逢った頃のように
type: MusicRecording
duration: PT4M39S
duration ms: 279280
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:46:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79
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/5q31zvZPavmxlIaNtiCqSm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5q31zvZPavmxlIaNtiCqSm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79","isrc":"JPV431700737","name":"出逢った頃のように","registered_at":"2026-06-05T20:46:22Z","spotify_id":"5q31zvZPavmxlIaNtiCqSm","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 0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79. 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/5q31zvZPavmxlIaNtiCqSm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5q31zvZPavmxlIaNtiCqSm.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xf6071bcb68c39175de4865ede87fd10b6c680f84a920ec8e9b044b92df714b79","isrc":"JPV431700737","name":"出逢った頃のように","registered_at":"2026-06-05T20:46:22Z","spotify_id":"5q31zvZPavmxlIaNtiCqSm","type":"track"}

AM11:00
type: MusicRecording
duration: PT5M9S
duration ms: 309017
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700732
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T02:34:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55b33b7ab84bde579d0a434c65a891afd774fc4a97a3292f8734079653eef6d2
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/6PlF1HEhy5uTlzNvFCqffE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PlF1HEhy5uTlzNvFCqffE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55b33b7ab84bde579d0a434c65a891afd774fc4a97a3292f8734079653eef6d2. 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/6PlF1HEhy5uTlzNvFCqffE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PlF1HEhy5uTlzNvFCqffE.
  date published: 2026-06-13T15:41:10Z

自転車
type: MusicRecording
duration: PT4M6S
duration ms: 246017
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700733
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:45:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3
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/6EbAtSmKVUV394YVTz8E8K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EbAtSmKVUV394YVTz8E8K
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3","isrc":"JPV431700733","name":"自転車","registered_at":"2026-06-07T11:45:50Z","spotify_id":"6EbAtSmKVUV394YVTz8E8K","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 0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3. 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/6EbAtSmKVUV394YVTz8E8K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6EbAtSmKVUV394YVTz8E8K.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x24028fda808e91657f35bdb9c9f9bb8b4ec3e88785a915ecc1edf31c8b5debf3","isrc":"JPV431700733","name":"自転車","registered_at":"2026-06-07T11:45:50Z","spotify_id":"6EbAtSmKVUV394YVTz8E8K","type":"track"}

風吹けば恋
type: MusicRecording
duration: PT3M42S
duration ms: 222017
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん Cover song collection
  type: MusicAlbum
  date published: 2018-03-28
isrc code: JPV431700734
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:38:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b
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/7j59Ah5wGFh0WwK1z2o1UX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j59Ah5wGFh0WwK1z2o1UX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b","isrc":"JPV431700734","name":"風吹けば恋","registered_at":"2026-06-07T18:38:18Z","spotify_id":"7j59Ah5wGFh0WwK1z2o1UX","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 0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b. 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/7j59Ah5wGFh0WwK1z2o1UX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j59Ah5wGFh0WwK1z2o1UX.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xb74985de91f7b120b95a53d922f44527cb8136d2bf9ab77dcc8e2cb9843fa20b","isrc":"JPV431700734","name":"風吹けば恋","registered_at":"2026-06-07T18:38:18Z","spotify_id":"7j59Ah5wGFh0WwK1z2o1UX","type":"track"}

奏(かなで)
type: MusicRecording
duration: PT5M27S
duration ms: 327126
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900034
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:00:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439
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/1Hg5Fia8ZH7Km2cDg9ooYb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Hg5Fia8ZH7Km2cDg9ooYb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439","isrc":"JPV431900034","name":"奏(かなで)","registered_at":"2026-06-05T16:00:22Z","spotify_id":"1Hg5Fia8ZH7Km2cDg9ooYb","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 0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439. 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/1Hg5Fia8ZH7Km2cDg9ooYb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Hg5Fia8ZH7Km2cDg9ooYb.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x5b2b5fc6f8f4969de2a46db1cdbebb9ee3efeac31b88aaadca676e527f15d439","isrc":"JPV431900034","name":"奏(かなで)","registered_at":"2026-06-05T16:00:22Z","spotify_id":"1Hg5Fia8ZH7Km2cDg9ooYb","type":"track"}

粉雪
type: MusicRecording
duration: PT5M22S
duration ms: 322495
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T02:32:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481
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/5p55h7Z2OBbDvwaxheKTr8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p55h7Z2OBbDvwaxheKTr8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481","isrc":"JPV431900038","name":"粉雪","registered_at":"2026-06-06T02:32:01Z","spotify_id":"5p55h7Z2OBbDvwaxheKTr8","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 0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481. 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/5p55h7Z2OBbDvwaxheKTr8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5p55h7Z2OBbDvwaxheKTr8.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4005a6c5051c30d69f54e628d0373433c6d0fb08682e06e0004d725db3f0b481","isrc":"JPV431900038","name":"粉雪","registered_at":"2026-06-06T02:32:01Z","spotify_id":"5p55h7Z2OBbDvwaxheKTr8","type":"track"}

キセキ
type: MusicRecording
duration: PT4M30S
duration ms: 270121
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:50:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4
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/26coSq3Zo1bjPlyFVgwc11.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26coSq3Zo1bjPlyFVgwc11
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4","isrc":"JPV431900042","name":"キセキ","registered_at":"2026-06-04T14:50:13Z","spotify_id":"26coSq3Zo1bjPlyFVgwc11","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 0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4. 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/26coSq3Zo1bjPlyFVgwc11.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26coSq3Zo1bjPlyFVgwc11.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x087130dc918108f1f61fe5311131afbf59397e1a20d679e93459147f965610e4","isrc":"JPV431900042","name":"キセキ","registered_at":"2026-06-04T14:50:13Z","spotify_id":"26coSq3Zo1bjPlyFVgwc11","type":"track"}

ありがとう
type: MusicRecording
duration: PT5M59S
duration ms: 359281
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:05:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50
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/6vh4m5T5KMFxdKegDeXnm4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vh4m5T5KMFxdKegDeXnm4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50","isrc":"JPV431900046","name":"ありがとう","registered_at":"2026-06-06T09:05:04Z","spotify_id":"6vh4m5T5KMFxdKegDeXnm4","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 0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50. 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/6vh4m5T5KMFxdKegDeXnm4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vh4m5T5KMFxdKegDeXnm4.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8851627b85f8003558728b8ea1796efad5aa66e553e75c3c9953ab1b0d763c50","isrc":"JPV431900046","name":"ありがとう","registered_at":"2026-06-06T09:05:04Z","spotify_id":"6vh4m5T5KMFxdKegDeXnm4","type":"track"}

STARS
type: MusicRecording
duration: PT6M4S
duration ms: 364762
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:16:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a9d63c8f0c09f548771a4d4faa03e777d95f7ca7c769a3772c1e0561928a3f1
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/32ZtCx8LgMNbwLAsrKnssz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32ZtCx8LgMNbwLAsrKnssz
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 0x7a9d63c8f0c09f548771a4d4faa03e777d95f7ca7c769a3772c1e0561928a3f1. 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/32ZtCx8LgMNbwLAsrKnssz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32ZtCx8LgMNbwLAsrKnssz.
  date published: 2026-06-13T17:25:41Z

あなたに
type: MusicRecording
duration: PT3M14S
duration ms: 194831
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:19:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd
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/0JxsibuxzDijNdlWTlMQ3v.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JxsibuxzDijNdlWTlMQ3v
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd","isrc":"JPV431900100","name":"あなたに","registered_at":"2026-06-07T12:19:49Z","spotify_id":"0JxsibuxzDijNdlWTlMQ3v","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 0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd. 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/0JxsibuxzDijNdlWTlMQ3v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JxsibuxzDijNdlWTlMQ3v.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xad4a527f30e4043821daa619a5b867b557c249cedcac5bc9018c56557d977ddd","isrc":"JPV431900100","name":"あなたに","registered_at":"2026-06-07T12:19:49Z","spotify_id":"0JxsibuxzDijNdlWTlMQ3v","type":"track"}

言わないけどね。
type: MusicRecording
duration: PT4M30S
duration ms: 270458
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
  type: MusicAlbum
  date published: 2019-09-25
isrc code: JPV431900104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:58:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68
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/0TYEBK9k4wLp2egnebgOc2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TYEBK9k4wLp2egnebgOc2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4a66a58be80f8024b2be2baa8c4d9ed17daded6880c6dd4b29c8208c723acd68","isrc":"JPV431900104","name":"言わないけどね。","registered_at":"2026-06-05T15:58:42Z","spotify_id":"0TYEBK9k4wLp2egnebgOc2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-06-13T12:47:07Z
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やさしい気持ち
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duration: PT3M5S
duration ms: 185181
explicit: false
by artist: 高木さん(CV:高橋李依)
in album: からかい上手の高木さん2 Cover song collection
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  date published: 2019-09-25
isrc code: JPV431900107
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5aaGjAEUGl8VkHnxEIoMWv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aaGjAEUGl8VkHnxEIoMWv
additional property: OTSTimestamp
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  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94a29fa14ef57255cb39ad8d35ce2e2d60d52bbf20f3f72e548c05c192697f04. 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/5aaGjAEUGl8VkHnxEIoMWv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5aaGjAEUGl8VkHnxEIoMWv.
  date published: 2026-06-13T17:25:41Z
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