Brown Basket
type: MusicGroup
genre: modern-j-rock
popularity: 31
followers: 9425
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46fe4c71127151ebd2c2769b0939b45817ce07b311417090d63bd33fdf14968e
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/a6bc68aa-ce87-4447-bb4a-ed74aec53672.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6bc68aa-ce87-4447-bb4a-ed74aec53672.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6bc68aa-ce87-4447-bb4a-ed74aec53672
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46fe4c71127151ebd2c2769b0939b45817ce07b311417090d63bd33fdf14968e","name":"Brown Basket","registered_at":"2026-06-12T06:31:30Z","symbol":"NIM0215107","token_address":"0x8ac2f822a80f65f591a949c5edcf9f157f6d4f59","type":"artist","uuid":"a6bc68aa-ce87-4447-bb4a-ed74aec53672"}
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 0x46fe4c71127151ebd2c2769b0939b45817ce07b311417090d63bd33fdf14968e. 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/a6bc68aa-ce87-4447-bb4a-ed74aec53672.json and https://artists.proofprofile.net/proofs/artist/a6bc68aa-ce87-4447-bb4a-ed74aec53672.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x46fe4c71127151ebd2c2769b0939b45817ce07b311417090d63bd33fdf14968e","name":"Brown Basket","registered_at":"2026-06-12T06:31:30Z","symbol":"NIM0215107","token_address":"0x8ac2f822a80f65f591a949c5edcf9f157f6d4f59","type":"artist","uuid":"a6bc68aa-ce87-4447-bb4a-ed74aec53672"}
album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
  track: Intro
    type: MusicRecording
    duration: PT1M38S
    duration ms: 98293
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105968
  track: 才媛よ
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193520
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105969
  track: クライアー
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241266
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105970
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T04:48:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42
    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/2dn3m3rBxwyNfTOqNmo0kv.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dn3m3rBxwyNfTOqNmo0kv
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42","isrc":"JP92A2105970","name":"クライアー","registered_at":"2026-06-28T04:48:56Z","spotify_id":"2dn3m3rBxwyNfTOqNmo0kv","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 0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42. 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/2dn3m3rBxwyNfTOqNmo0kv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dn3m3rBxwyNfTOqNmo0kv.
      date published: 2026-07-02T16:51:38Z
      text: {"copyright_id":"0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42","isrc":"JP92A2105970","name":"クライアー","registered_at":"2026-06-28T04:48:56Z","spotify_id":"2dn3m3rBxwyNfTOqNmo0kv","type":"track"}
  track: LOVERS
    type: MusicRecording
    duration: PT4M42S
    duration ms: 282440
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105971
  track: グッバイワンルーム
    type: MusicRecording
    duration: PT4M4S
    duration ms: 244000
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105972
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-21T16:56:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6
    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/7AFRUJgHnzQseXowCvsmNY.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AFRUJgHnzQseXowCvsmNY
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6","isrc":"JP92A2105972","name":"グッバイワンルーム","registered_at":"2026-06-21T16:56:19Z","spotify_id":"7AFRUJgHnzQseXowCvsmNY","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 0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6. 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/7AFRUJgHnzQseXowCvsmNY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AFRUJgHnzQseXowCvsmNY.
      date published: 2026-07-02T03:30:09Z
      text: {"copyright_id":"0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6","isrc":"JP92A2105972","name":"グッバイワンルーム","registered_at":"2026-06-21T16:56:19Z","spotify_id":"7AFRUJgHnzQseXowCvsmNY","type":"track"}
  track: 君の声を
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213400
    explicit: false
    by artist: Brown Basket
    in album: YOUTH'
      type: MusicAlbum
      date published: 2019-08-07
    isrc code: JP92A2105973
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T04:48:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df
    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/0zhyK1cpbFH4xPMcaz34nf.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zhyK1cpbFH4xPMcaz34nf
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: 最後の夜
album: Take it Easy
album: ROLLING
album: PINEFIELD
album: 御薗橋西詰
album: 光あれ
album: 何者
album: 世界の中で君だけに
album: 星になるまで
album: BY MY SIDE
album: setsuni negau
album: KICK THE FLOOR
track: Intro
track: 才媛よ
track: クライアー
track: LOVERS
track: グッバイワンルーム
track: 君の声を
track: 最後の夜
track: Take it Easy
track: 愛まかせ
track: ROLLING
track: こころのこり
track: もうひと頑張り
track: TVCM
track: ダーリンダーリン
track: wave
track: ささやかな
track: 光あれ
track: 御薗橋西詰
track: 何者

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df","isrc":"JP92A2105973","name":"君の声を","registered_at":"2026-06-28T04:48:43Z","spotify_id":"0zhyK1cpbFH4xPMcaz34nf","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 0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df. 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/0zhyK1cpbFH4xPMcaz34nf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zhyK1cpbFH4xPMcaz34nf.
date published: 2026-07-02T16:51:38Z
text: {"copyright_id":"0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df","isrc":"JP92A2105973","name":"君の声を","registered_at":"2026-06-28T04:48:43Z","spotify_id":"0zhyK1cpbFH4xPMcaz34nf","type":"track"}

最後の夜
type: MusicRecording
duration: PT4M27S
duration ms: 267493
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105974
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:54:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11
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/4tv2NfJoCtfZKjN6g8f79U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tv2NfJoCtfZKjN6g8f79U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11","isrc":"JP92A2105974","name":"最後の夜","registered_at":"2026-06-25T05:54:35Z","spotify_id":"4tv2NfJoCtfZKjN6g8f79U","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 0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11. 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/4tv2NfJoCtfZKjN6g8f79U.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tv2NfJoCtfZKjN6g8f79U.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11","isrc":"JP92A2105974","name":"最後の夜","registered_at":"2026-06-25T05:54:35Z","spotify_id":"4tv2NfJoCtfZKjN6g8f79U","type":"track"}

Take it Easy
type: MusicAlbum
date published: 2023-08-16
track: Take it Easy
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175666
  explicit: false
  by artist: Brown Basket
  by artist: 石澤 和彦
  in album: Take it Easy
    type: MusicAlbum
    date published: 2023-08-16
  isrc code: JP92A2312479
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-12T02:23:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff
  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/0vUlHypg2JWJa752UyXHr5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vUlHypg2JWJa752UyXHr5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff","isrc":"JP92A2312479","name":"Take it Easy","registered_at":"2026-06-12T02:23:58Z","spotify_id":"0vUlHypg2JWJa752UyXHr5","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 0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff. 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/0vUlHypg2JWJa752UyXHr5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vUlHypg2JWJa752UyXHr5.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff","isrc":"JP92A2312479","name":"Take it Easy","registered_at":"2026-06-12T02:23:58Z","spotify_id":"0vUlHypg2JWJa752UyXHr5","type":"track"}
track: 愛まかせ
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189743
  explicit: false
  by artist: Brown Basket
  in album: Take it Easy
    type: MusicAlbum
    date published: 2023-08-16
  isrc code: JP92A2312480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T07:20:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65
  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/4h83jq6vm384Pnimiw9884.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4h83jq6vm384Pnimiw9884
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65","isrc":"JP92A2312480","name":"愛まかせ","registered_at":"2026-06-19T07:20:55Z","spotify_id":"4h83jq6vm384Pnimiw9884","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 0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65. 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/4h83jq6vm384Pnimiw9884.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4h83jq6vm384Pnimiw9884.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65","isrc":"JP92A2312480","name":"愛まかせ","registered_at":"2026-06-19T07:20:55Z","spotify_id":"4h83jq6vm384Pnimiw9884","type":"track"}

ROLLING
type: MusicAlbum
date published: 2023-04-12
track: ROLLING
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153236
  explicit: false
  by artist: Brown Basket
  in album: ROLLING
    type: MusicAlbum
    date published: 2023-04-12
  isrc code: JP92A2304203
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T14:08:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d026e0f1f30a62c61e71ed21507872d5b004f553d521a2cf86602761fb84c53
  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/2FquzG6USgdLlRFodm9cAB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FquzG6USgdLlRFodm9cAB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d026e0f1f30a62c61e71ed21507872d5b004f553d521a2cf86602761fb84c53. 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/2FquzG6USgdLlRFodm9cAB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FquzG6USgdLlRFodm9cAB.
    date published: 2026-06-13T13:32:09Z
track: こころのこり
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216477
  explicit: false
  by artist: Brown Basket
  in album: ROLLING
    type: MusicAlbum
    date published: 2023-04-12
  isrc code: JP92A2304204
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:50:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035
  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/1cqKVIGbfrsy3BdQK0atQ8.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cqKVIGbfrsy3BdQK0atQ8
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035","isrc":"JP92A2304204","name":"こころのこり","registered_at":"2026-06-04T11:50:40Z","spotify_id":"1cqKVIGbfrsy3BdQK0atQ8","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 0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035. 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/1cqKVIGbfrsy3BdQK0atQ8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cqKVIGbfrsy3BdQK0atQ8.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035","isrc":"JP92A2304204","name":"こころのこり","registered_at":"2026-06-04T11:50:40Z","spotify_id":"1cqKVIGbfrsy3BdQK0atQ8","type":"track"}

PINEFIELD
type: MusicAlbum
date published: 2022-08-14
track: もうひと頑張り
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139346
  explicit: false
  by artist: Brown Basket
  in album: PINEFIELD
    type: MusicAlbum
    date published: 2022-08-14
  isrc code: JP92A2300164
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T15:06:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1
  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/5tZBsWFBIVFjBJZdSxRO2w.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tZBsWFBIVFjBJZdSxRO2w
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1","isrc":"JP92A2300164","name":"もうひと頑張り","registered_at":"2026-06-06T15:06:03Z","spotify_id":"5tZBsWFBIVFjBJZdSxRO2w","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 0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1. 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/5tZBsWFBIVFjBJZdSxRO2w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tZBsWFBIVFjBJZdSxRO2w.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1","isrc":"JP92A2300164","name":"もうひと頑張り","registered_at":"2026-06-06T15:06:03Z","spotify_id":"5tZBsWFBIVFjBJZdSxRO2w","type":"track"}
track: TVCM
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160960
  explicit: false
  by artist: Brown Basket
  in album: PINEFIELD
    type: MusicAlbum
    date published: 2022-08-14
  isrc code: JP92A2300165
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:07:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x36a5addbbedea806102bf3da9ae0702d1e9643d0a3259d9c81da429835abcac3
  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/5sIWwDsk0h2Xo0zk1lIfcL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sIWwDsk0h2Xo0zk1lIfcL
  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 0x36a5addbbedea806102bf3da9ae0702d1e9643d0a3259d9c81da429835abcac3. 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/5sIWwDsk0h2Xo0zk1lIfcL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sIWwDsk0h2Xo0zk1lIfcL.
    date published: 2026-06-13T15:41:10Z
track: ダーリンダーリン
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208226
  explicit: false
  by artist: Brown Basket
  in album: PINEFIELD
    type: MusicAlbum
    date published: 2022-08-14
  isrc code: JP92A2300166
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T05:54:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4
  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/1kWymkBvclclzQt83PTh4k.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kWymkBvclclzQt83PTh4k
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4","isrc":"JP92A2300166","name":"ダーリンダーリン","registered_at":"2026-06-25T05:54:55Z","spotify_id":"1kWymkBvclclzQt83PTh4k","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 0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4. 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/1kWymkBvclclzQt83PTh4k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kWymkBvclclzQt83PTh4k.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4","isrc":"JP92A2300166","name":"ダーリンダーリン","registered_at":"2026-06-25T05:54:55Z","spotify_id":"1kWymkBvclclzQt83PTh4k","type":"track"}
track: wave
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239480
  explicit: false
  by artist: Brown Basket
  in album: PINEFIELD
    type: MusicAlbum
    date published: 2022-08-14
  isrc code: JP92A2300167
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T16:56:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x735e8e246549009c3b817de8109f9734e2786e4d045bc8be135b5c92019a0f90
  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/5d7chcoqkxC3pWGDW5K0fs.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d7chcoqkxC3pWGDW5K0fs
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735e8e246549009c3b817de8109f9734e2786e4d045bc8be135b5c92019a0f90. 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/5d7chcoqkxC3pWGDW5K0fs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d7chcoqkxC3pWGDW5K0fs.
    date published: 2026-07-02T03:30:09Z

御薗橋西詰
type: MusicAlbum
date published: 2021-07-21
track: ささやかな
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257294
  explicit: false
  by artist: Brown Basket
  in album: 御薗橋西詰
    type: MusicAlbum
    date published: 2021-07-21
  isrc code: JP92A2300168
track: 光あれ
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189120
  explicit: false
  by artist: Brown Basket
  in album: 御薗橋西詰
    type: MusicAlbum
    date published: 2021-07-21
  isrc code: JP92A2300169
track: 御薗橋西詰
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297093
  explicit: false
  by artist: Brown Basket
  in album: 御薗橋西詰
    type: MusicAlbum
    date published: 2021-07-21
  isrc code: JP92A2300170

光あれ
type: MusicAlbum
date published: 2021-07-21
track: 光あれ
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189120
  explicit: false
  by artist: Brown Basket
  in album: 光あれ
    type: MusicAlbum
    date published: 2021-07-21
  isrc code: JP92A2105978
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T03:08:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c
  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/5blUhRgqRaw4TWlyX3iH6B.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5blUhRgqRaw4TWlyX3iH6B
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c","isrc":"JP92A2105978","name":"光あれ","registered_at":"2026-06-24T03:08:48Z","spotify_id":"5blUhRgqRaw4TWlyX3iH6B","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 0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c. 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/5blUhRgqRaw4TWlyX3iH6B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5blUhRgqRaw4TWlyX3iH6B.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c","isrc":"JP92A2105978","name":"光あれ","registered_at":"2026-06-24T03:08:48Z","spotify_id":"5blUhRgqRaw4TWlyX3iH6B","type":"track"}

何者
type: MusicAlbum
date published: 2021-03-24
track: 何者
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147189
  explicit: false
  by artist: Brown Basket
  in album: 何者
    type: MusicAlbum
    date published: 2021-03-24
  isrc code: JP92A2105975
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T05:28:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312
  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/4B8zyvDHd0B9t1OitxmySG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4B8zyvDHd0B9t1OitxmySG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312","isrc":"JP92A2105975","name":"何者","registered_at":"2026-06-07T05:28:24Z","spotify_id":"4B8zyvDHd0B9t1OitxmySG","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 0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312. 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/4B8zyvDHd0B9t1OitxmySG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4B8zyvDHd0B9t1OitxmySG.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312","isrc":"JP92A2105975","name":"何者","registered_at":"2026-06-07T05:28:24Z","spotify_id":"4B8zyvDHd0B9t1OitxmySG","type":"track"}

世界の中で君だけに
type: MusicAlbum
date published: 2021-02-24
track: 世界の中で君だけに
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98562
  explicit: false
  by artist: Brown Basket
  in album: 世界の中で君だけに
    type: MusicAlbum
    date published: 2021-02-24
  isrc code: JP92A2105976
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T16:55:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf1b4ffbeceaba69a657214014583fa7e83e36828f36e07e683c138c725f3e524
  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/48TgQ4aCdkYQiFTHfnGNus.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48TgQ4aCdkYQiFTHfnGNus
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf1b4ffbeceaba69a657214014583fa7e83e36828f36e07e683c138c725f3e524","isrc":"JP92A2105976","name":"世界の中で君だけに","registered_at":"2026-06-21T16:55:07Z","spotify_id":"48TgQ4aCdkYQiFTHfnGNus","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 0xf1b4ffbeceaba69a657214014583fa7e83e36828f36e07e683c138c725f3e524. 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/48TgQ4aCdkYQiFTHfnGNus.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48TgQ4aCdkYQiFTHfnGNus.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xf1b4ffbeceaba69a657214014583fa7e83e36828f36e07e683c138c725f3e524","isrc":"JP92A2105976","name":"世界の中で君だけに","registered_at":"2026-06-21T16:55:07Z","spotify_id":"48TgQ4aCdkYQiFTHfnGNus","type":"track"}

星になるまで
type: MusicAlbum
date published: 2021-01-20
track: 星になるまで
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234946
  explicit: false
  by artist: Brown Basket
  in album: 星になるまで
    type: MusicAlbum
    date published: 2021-01-20
  isrc code: JP92A2105977
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T03:10:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2fc0a2f8e817a88bd1da33cd5e16a2ef178b8f232f29314175a0f4aec7167fe1
  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/05VqwGRpWv5oVo21BTvTU9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05VqwGRpWv5oVo21BTvTU9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2fc0a2f8e817a88bd1da33cd5e16a2ef178b8f232f29314175a0f4aec7167fe1","isrc":"JP92A2105977","name":"星になるまで","registered_at":"2026-06-24T03:10:45Z","spotify_id":"05VqwGRpWv5oVo21BTvTU9","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 0x2fc0a2f8e817a88bd1da33cd5e16a2ef178b8f232f29314175a0f4aec7167fe1. 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/05VqwGRpWv5oVo21BTvTU9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05VqwGRpWv5oVo21BTvTU9.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2fc0a2f8e817a88bd1da33cd5e16a2ef178b8f232f29314175a0f4aec7167fe1","isrc":"JP92A2105977","name":"星になるまで","registered_at":"2026-06-24T03:10:45Z","spotify_id":"05VqwGRpWv5oVo21BTvTU9","type":"track"}

BY MY SIDE
type: MusicAlbum
date published: 2020-09-14
track: BY MY SIDE
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328800
  explicit: false
  by artist: Brown Basket
  in album: BY MY SIDE
    type: MusicAlbum
    date published: 2020-09-14
  isrc code: JP92A2105907
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-12T01:04:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xda1a94612a7c84a3905e3709cb04d2b5c1e2bab00616656491c02d568071ca74
  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/6Ncz9qHHyqhq5KyKzEDA1l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ncz9qHHyqhq5KyKzEDA1l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xda1a94612a7c84a3905e3709cb04d2b5c1e2bab00616656491c02d568071ca74","isrc":"JP92A2105907","name":"BY MY SIDE","registered_at":"2026-06-12T01:04:54Z","spotify_id":"6Ncz9qHHyqhq5KyKzEDA1l","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 0xda1a94612a7c84a3905e3709cb04d2b5c1e2bab00616656491c02d568071ca74. 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/6Ncz9qHHyqhq5KyKzEDA1l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ncz9qHHyqhq5KyKzEDA1l.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xda1a94612a7c84a3905e3709cb04d2b5c1e2bab00616656491c02d568071ca74","isrc":"JP92A2105907","name":"BY MY SIDE","registered_at":"2026-06-12T01:04:54Z","spotify_id":"6Ncz9qHHyqhq5KyKzEDA1l","type":"track"}

setsuni negau
type: MusicAlbum
date published: 2024-12-25
track: setsuni negau
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147013
  explicit: false
  by artist: Brown Basket
  in album: setsuni negau
    type: MusicAlbum
    date published: 2024-12-25

KICK THE FLOOR
type: MusicAlbum
date published: 2024-12-25
track: KICK THE FLOOR
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174190
  explicit: false
  by artist: Brown Basket
  in album: KICK THE FLOOR
    type: MusicAlbum
    date published: 2024-12-25

Intro
type: MusicRecording
duration: PT1M38S
duration ms: 98293
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105968

才媛よ
type: MusicRecording
duration: PT3M13S
duration ms: 193520
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105969

クライアー
type: MusicRecording
duration: PT4M1S
duration ms: 241266
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105970
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T04:48:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42
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/2dn3m3rBxwyNfTOqNmo0kv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dn3m3rBxwyNfTOqNmo0kv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42","isrc":"JP92A2105970","name":"クライアー","registered_at":"2026-06-28T04:48:56Z","spotify_id":"2dn3m3rBxwyNfTOqNmo0kv","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 0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42. 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/2dn3m3rBxwyNfTOqNmo0kv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dn3m3rBxwyNfTOqNmo0kv.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0xcf6e25032f85f9bace11ed7871086922441367a6791753ee8b451ddb88d1bb42","isrc":"JP92A2105970","name":"クライアー","registered_at":"2026-06-28T04:48:56Z","spotify_id":"2dn3m3rBxwyNfTOqNmo0kv","type":"track"}

LOVERS
type: MusicRecording
duration: PT4M42S
duration ms: 282440
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105971

グッバイワンルーム
type: MusicRecording
duration: PT4M4S
duration ms: 244000
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105972
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T16:56:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6
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/7AFRUJgHnzQseXowCvsmNY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AFRUJgHnzQseXowCvsmNY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6","isrc":"JP92A2105972","name":"グッバイワンルーム","registered_at":"2026-06-21T16:56:19Z","spotify_id":"7AFRUJgHnzQseXowCvsmNY","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 0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6. 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/7AFRUJgHnzQseXowCvsmNY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AFRUJgHnzQseXowCvsmNY.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x604268656e64c2b8b548698b2e9b9195394e91ce87a41d5725579181f18689d6","isrc":"JP92A2105972","name":"グッバイワンルーム","registered_at":"2026-06-21T16:56:19Z","spotify_id":"7AFRUJgHnzQseXowCvsmNY","type":"track"}

君の声を
type: MusicRecording
duration: PT3M33S
duration ms: 213400
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105973
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T04:48:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df
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/0zhyK1cpbFH4xPMcaz34nf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zhyK1cpbFH4xPMcaz34nf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df","isrc":"JP92A2105973","name":"君の声を","registered_at":"2026-06-28T04:48:43Z","spotify_id":"0zhyK1cpbFH4xPMcaz34nf","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 0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df. 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/0zhyK1cpbFH4xPMcaz34nf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zhyK1cpbFH4xPMcaz34nf.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0x84348400ce6b766430b1e57ac41154e5eefd5feb628ba9780466de87edaad1df","isrc":"JP92A2105973","name":"君の声を","registered_at":"2026-06-28T04:48:43Z","spotify_id":"0zhyK1cpbFH4xPMcaz34nf","type":"track"}

最後の夜
type: MusicRecording
duration: PT4M27S
duration ms: 267493
explicit: false
by artist: Brown Basket
in album: YOUTH'
  type: MusicAlbum
  date published: 2019-08-07
isrc code: JP92A2105974
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:54:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11
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/4tv2NfJoCtfZKjN6g8f79U.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tv2NfJoCtfZKjN6g8f79U
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11","isrc":"JP92A2105974","name":"最後の夜","registered_at":"2026-06-25T05:54:35Z","spotify_id":"4tv2NfJoCtfZKjN6g8f79U","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 0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11. 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/4tv2NfJoCtfZKjN6g8f79U.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tv2NfJoCtfZKjN6g8f79U.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x97ae0d9dde348d2e77e1f406e54b84ef6021444a91da79f6f7a8e8e30607af11","isrc":"JP92A2105974","name":"最後の夜","registered_at":"2026-06-25T05:54:35Z","spotify_id":"4tv2NfJoCtfZKjN6g8f79U","type":"track"}

Take it Easy
type: MusicRecording
duration: PT2M55S
duration ms: 175666
explicit: false
by artist: Brown Basket
by artist: 石澤 和彦
in album: Take it Easy
  type: MusicAlbum
  date published: 2023-08-16
isrc code: JP92A2312479
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-12T02:23:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff
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/0vUlHypg2JWJa752UyXHr5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vUlHypg2JWJa752UyXHr5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff","isrc":"JP92A2312479","name":"Take it Easy","registered_at":"2026-06-12T02:23:58Z","spotify_id":"0vUlHypg2JWJa752UyXHr5","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 0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff. 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/0vUlHypg2JWJa752UyXHr5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vUlHypg2JWJa752UyXHr5.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x5383c8e62d042f22b2b404094031f1ce21320075f862bea3f992bfa31bcaa0ff","isrc":"JP92A2312479","name":"Take it Easy","registered_at":"2026-06-12T02:23:58Z","spotify_id":"0vUlHypg2JWJa752UyXHr5","type":"track"}

愛まかせ
type: MusicRecording
duration: PT3M9S
duration ms: 189743
explicit: false
by artist: Brown Basket
in album: Take it Easy
  type: MusicAlbum
  date published: 2023-08-16
isrc code: JP92A2312480
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T07:20:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65
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/4h83jq6vm384Pnimiw9884.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4h83jq6vm384Pnimiw9884
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65","isrc":"JP92A2312480","name":"愛まかせ","registered_at":"2026-06-19T07:20:55Z","spotify_id":"4h83jq6vm384Pnimiw9884","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 0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65. 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/4h83jq6vm384Pnimiw9884.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4h83jq6vm384Pnimiw9884.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6404d4466fb40fa3338ad3ee2408d59e23931e5883382027428ff9c16ae73b65","isrc":"JP92A2312480","name":"愛まかせ","registered_at":"2026-06-19T07:20:55Z","spotify_id":"4h83jq6vm384Pnimiw9884","type":"track"}

ROLLING
type: MusicRecording
duration: PT2M33S
duration ms: 153236
explicit: false
by artist: Brown Basket
in album: ROLLING
  type: MusicAlbum
  date published: 2023-04-12
isrc code: JP92A2304203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:08:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d026e0f1f30a62c61e71ed21507872d5b004f553d521a2cf86602761fb84c53
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/2FquzG6USgdLlRFodm9cAB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FquzG6USgdLlRFodm9cAB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d026e0f1f30a62c61e71ed21507872d5b004f553d521a2cf86602761fb84c53. 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/2FquzG6USgdLlRFodm9cAB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2FquzG6USgdLlRFodm9cAB.
  date published: 2026-06-13T13:32:09Z

こころのこり
type: MusicRecording
duration: PT3M36S
duration ms: 216477
explicit: false
by artist: Brown Basket
in album: ROLLING
  type: MusicAlbum
  date published: 2023-04-12
isrc code: JP92A2304204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T11:50:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035
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/1cqKVIGbfrsy3BdQK0atQ8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cqKVIGbfrsy3BdQK0atQ8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035","isrc":"JP92A2304204","name":"こころのこり","registered_at":"2026-06-04T11:50:40Z","spotify_id":"1cqKVIGbfrsy3BdQK0atQ8","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 0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035. 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/1cqKVIGbfrsy3BdQK0atQ8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cqKVIGbfrsy3BdQK0atQ8.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6090a79d8283f78a6a0526425f540575c53234c11db25e160afd088cf60d4035","isrc":"JP92A2304204","name":"こころのこり","registered_at":"2026-06-04T11:50:40Z","spotify_id":"1cqKVIGbfrsy3BdQK0atQ8","type":"track"}

もうひと頑張り
type: MusicRecording
duration: PT2M19S
duration ms: 139346
explicit: false
by artist: Brown Basket
in album: PINEFIELD
  type: MusicAlbum
  date published: 2022-08-14
isrc code: JP92A2300164
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:06:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1
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/5tZBsWFBIVFjBJZdSxRO2w.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tZBsWFBIVFjBJZdSxRO2w
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1","isrc":"JP92A2300164","name":"もうひと頑張り","registered_at":"2026-06-06T15:06:03Z","spotify_id":"5tZBsWFBIVFjBJZdSxRO2w","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 0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1. 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/5tZBsWFBIVFjBJZdSxRO2w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tZBsWFBIVFjBJZdSxRO2w.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xd1c68429b6dc06a5fb9e76c0b09b996463fab41af2125608fcf02aeb77e3a9f1","isrc":"JP92A2300164","name":"もうひと頑張り","registered_at":"2026-06-06T15:06:03Z","spotify_id":"5tZBsWFBIVFjBJZdSxRO2w","type":"track"}

TVCM
type: MusicRecording
duration: PT2M40S
duration ms: 160960
explicit: false
by artist: Brown Basket
in album: PINEFIELD
  type: MusicAlbum
  date published: 2022-08-14
isrc code: JP92A2300165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T00:07:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36a5addbbedea806102bf3da9ae0702d1e9643d0a3259d9c81da429835abcac3
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/5sIWwDsk0h2Xo0zk1lIfcL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sIWwDsk0h2Xo0zk1lIfcL
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 0x36a5addbbedea806102bf3da9ae0702d1e9643d0a3259d9c81da429835abcac3. 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/5sIWwDsk0h2Xo0zk1lIfcL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sIWwDsk0h2Xo0zk1lIfcL.
  date published: 2026-06-13T15:41:10Z

ダーリンダーリン
type: MusicRecording
duration: PT3M28S
duration ms: 208226
explicit: false
by artist: Brown Basket
in album: PINEFIELD
  type: MusicAlbum
  date published: 2022-08-14
isrc code: JP92A2300166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:54:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4
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/1kWymkBvclclzQt83PTh4k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kWymkBvclclzQt83PTh4k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4","isrc":"JP92A2300166","name":"ダーリンダーリン","registered_at":"2026-06-25T05:54:55Z","spotify_id":"1kWymkBvclclzQt83PTh4k","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 0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4. 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/1kWymkBvclclzQt83PTh4k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kWymkBvclclzQt83PTh4k.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x2aee37fe723041cba6b3652b872d5de9f6bd09c4119fa61a1ca993785d45b6f4","isrc":"JP92A2300166","name":"ダーリンダーリン","registered_at":"2026-06-25T05:54:55Z","spotify_id":"1kWymkBvclclzQt83PTh4k","type":"track"}

wave
type: MusicRecording
duration: PT3M59S
duration ms: 239480
explicit: false
by artist: Brown Basket
in album: PINEFIELD
  type: MusicAlbum
  date published: 2022-08-14
isrc code: JP92A2300167
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T16:56:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x735e8e246549009c3b817de8109f9734e2786e4d045bc8be135b5c92019a0f90
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/5d7chcoqkxC3pWGDW5K0fs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d7chcoqkxC3pWGDW5K0fs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735e8e246549009c3b817de8109f9734e2786e4d045bc8be135b5c92019a0f90. 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/5d7chcoqkxC3pWGDW5K0fs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5d7chcoqkxC3pWGDW5K0fs.
  date published: 2026-07-02T03:30:09Z

ささやかな
type: MusicRecording
duration: PT4M17S
duration ms: 257294
explicit: false
by artist: Brown Basket
in album: 御薗橋西詰
  type: MusicAlbum
  date published: 2021-07-21
isrc code: JP92A2300168

光あれ
type: MusicRecording
duration: PT3M9S
duration ms: 189120
explicit: false
by artist: Brown Basket
in album: 御薗橋西詰
  type: MusicAlbum
  date published: 2021-07-21
isrc code: JP92A2300169

御薗橋西詰
type: MusicRecording
duration: PT4M57S
duration ms: 297093
explicit: false
by artist: Brown Basket
in album: 御薗橋西詰
  type: MusicAlbum
  date published: 2021-07-21
isrc code: JP92A2300170

光あれ
type: MusicRecording
duration: PT3M9S
duration ms: 189120
explicit: false
by artist: Brown Basket
in album: 光あれ
  type: MusicAlbum
  date published: 2021-07-21
isrc code: JP92A2105978
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T03:08:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c
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/5blUhRgqRaw4TWlyX3iH6B.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5blUhRgqRaw4TWlyX3iH6B
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c","isrc":"JP92A2105978","name":"光あれ","registered_at":"2026-06-24T03:08:48Z","spotify_id":"5blUhRgqRaw4TWlyX3iH6B","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 0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c. 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/5blUhRgqRaw4TWlyX3iH6B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5blUhRgqRaw4TWlyX3iH6B.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x223b9b139d8f19d506f30e9396685d46b7237ff6117602003258578af6cb322c","isrc":"JP92A2105978","name":"光あれ","registered_at":"2026-06-24T03:08:48Z","spotify_id":"5blUhRgqRaw4TWlyX3iH6B","type":"track"}

何者
type: MusicRecording
duration: PT2M27S
duration ms: 147189
explicit: false
by artist: Brown Basket
in album: 何者
  type: MusicAlbum
  date published: 2021-03-24
isrc code: JP92A2105975
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:28:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312
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/4B8zyvDHd0B9t1OitxmySG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4B8zyvDHd0B9t1OitxmySG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312","isrc":"JP92A2105975","name":"何者","registered_at":"2026-06-07T05:28:24Z","spotify_id":"4B8zyvDHd0B9t1OitxmySG","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 0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312. 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/4B8zyvDHd0B9t1OitxmySG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4B8zyvDHd0B9t1OitxmySG.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xed866b3f0b95f10c75c75378f12073b8d31260220f0771642ba3c421114ca312","isrc":"JP92A2105975","name":"何者","registered_at":"2026-06-07T05:28:24Z","spotify_id":"4B8zyvDHd0B9t1OitxmySG","type":"track"}