hokuto
type: MusicGroup
genre: j-rap
genre: j-r&b
description: Hokuto may refer to: Hokuto Shichisei or the Big Dipper, the Japanese name for the asterism Hokuto (train) the name of train services operating in Hokkaido, Japan Hokuto Corporation, a Tokyo-based Ja
popularity: 33
followers: 16446
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b85e1f6b8f973aaff69287a214440a4661609d480670f8117c01a26f6654264
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/62951003-1fbf-46b6-b60e-f570f57dbbbf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/62951003-1fbf-46b6-b60e-f570f57dbbbf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/62951003-1fbf-46b6-b60e-f570f57dbbbf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b85e1f6b8f973aaff69287a214440a4661609d480670f8117c01a26f6654264. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/62951003-1fbf-46b6-b60e-f570f57dbbbf.json and https://artists.proofprofile.net/proofs/artist/62951003-1fbf-46b6-b60e-f570f57dbbbf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: MadJam
  type: MusicAlbum
  date published: 2013-11-08
album: MICHIBATA NO BLUES
  type: MusicAlbum
  date published: 2016-12-07
album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
  track: IZM (feat. RHYME&B)
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229156
    explicit: false
    by artist: hokuto
    in album: AMATEUR RHYTHM
      type: MusicAlbum
      date published: 2016-12-14
    genre: j-rap
    genre: j-r&b
    isrc code: TCJPE1687510
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5cd06ffa77336a3db64a244ff3826a9726f90fb4448faa54365531da7619fb0e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960247
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960247
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687510
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T10:42:33Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd06ffa77336a3db64a244ff3826a9726f90fb4448faa54365531da7619fb0e. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687510.
      date published: 2026-07-30T10:42:33Z
    audio: IZM (feat. RHYME&B)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.57
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.549
      additional property: Energy
        type: PropertyValue
        value: 0.886
      additional property: Speechiness
        type: PropertyValue
        value: 0.147
      additional property: Acousticness
        type: PropertyValue
        value: 0.123
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.294
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.495
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.122
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: SAISEI (feat. WATT a.k.a. YOTTERUBUTTERU)
    type: MusicRecording
    duration: PT4M13S
    duration ms: 253220
    explicit: false
    by artist: hokuto
    in album: AMATEUR RHYTHM
      type: MusicAlbum
      date published: 2016-12-14
    genre: j-rap
    genre: j-r&b
    isrc code: TCJPE1687511
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-23T11:35:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc3d555120b57a34ce15e03fe864f2471d576a97c9761014202fe830f2fd108fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687511
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d555120b57a34ce15e03fe864f2471d576a97c9761014202fe830f2fd108fd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687511.
      date published: 2026-07-02T03:55:08Z
    audio: SAISEI (feat. WATT a.k.a. YOTTERUBUTTERU)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.601
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.624
      additional property: Energy
        type: PropertyValue
        value: 0.836
      additional property: Speechiness
        type: PropertyValue
        value: 0.193
      additional property: Acousticness
        type: PropertyValue
        value: 0.504
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: 10000 POUND (feat. TAKE-M, HANG & CHICO CARLITO)
  track: Beautiful Sunshine (feat. peko)
  track: Cheep Sunday (feat. TSUBAKI)
  track: Dreamin' of you (feat. SONOMI & haiiro de rossi)
album: HAJIMETENOSEKAI
album: Fly to the moon
album: Alright (feat. 唾奇) [New ver.]
album: Alright (feat. TSUBAKI) [New ver.]
album: Kid's Dream (feat. WILYWNKA)
album: plums
album: plums (Deluxe)
album: MUTHOS Season 1
album: laughing
album: Darling you

Liveness
type: PropertyValue
value: 0.117

Valence (Positivity)
type: PropertyValue
value: 0.735

Loudness (dB)
type: PropertyValue
value: -10.354

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

10000 POUND (feat. TAKE-M, HANG & CHICO CARLITO)
type: MusicRecording
duration: PT3M51S
duration ms: 231975
explicit: false
by artist: hokuto
in album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
genre: j-rap
genre: j-r&b
isrc code: TCJPE1687513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ab88da70c9f2f85a2a7a79337b0f83539fe46d3347de44dc1c8aa2807c16dce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab88da70c9f2f85a2a7a79337b0f83539fe46d3347de44dc1c8aa2807c16dce. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687513.
  date published: 2026-07-31T17:29:52Z
audio: 10000 POUND (feat. TAKE-M, HANG & CHICO CARLITO)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.278
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.884
  additional property: Speechiness
    type: PropertyValue
    value: 0.171
  additional property: Acousticness
    type: PropertyValue
    value: 0.061
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.798
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.89
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Beautiful Sunshine (feat. peko)
type: MusicRecording
duration: PT4M20S
duration ms: 260000
explicit: false
by artist: hokuto
in album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
genre: j-rap
genre: j-r&b
isrc code: TCJPE1687514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:48:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcee76f35d4807402ea69b9ef31129b17d5a8571ffae44831c9675dc1b88f5b44
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee76f35d4807402ea69b9ef31129b17d5a8571ffae44831c9675dc1b88f5b44. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687514.
  date published: 2026-07-08T03:20:19Z
audio: Beautiful Sunshine (feat. peko)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.504
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.848
  additional property: Speechiness
    type: PropertyValue
    value: 0.177
  additional property: Acousticness
    type: PropertyValue
    value: 0.084
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.406
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.799
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.034
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cheep Sunday (feat. TSUBAKI)
type: MusicRecording
duration: PT3M6S
duration ms: 186500
explicit: false
by artist: hokuto
in album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
genre: j-rap
genre: j-r&b
isrc code: TCJPE1687521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T04:50:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68e0c6d0a3f0a122e47a8541a71e87318d178b5ebc88c543337769701f41bfcd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e0c6d0a3f0a122e47a8541a71e87318d178b5ebc88c543337769701f41bfcd. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687521.
  date published: 2026-06-13T13:32:09Z
audio: Cheep Sunday (feat. TSUBAKI)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.011
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.73
  additional property: Energy
    type: PropertyValue
    value: 0.701
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.569
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.412
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.985
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dreamin' of you (feat. SONOMI & haiiro de rossi)
type: MusicRecording
duration: PT4M57S
duration ms: 297200
explicit: false
by artist: hokuto
in album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
genre: j-rap
genre: j-r&b
isrc code: TCJPE1687530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T10:11:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0826bd477a556b8fe8439cec919db92999e806de656e8718db870abbf69d3ddf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0826bd477a556b8fe8439cec919db92999e806de656e8718db870abbf69d3ddf. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687530.
  date published: 2026-07-30T10:42:33Z
audio: Dreamin' of you (feat. SONOMI & haiiro de rossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.689
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.669
  additional property: Energy
    type: PropertyValue
    value: 0.642
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.56
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.503
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.362
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

AMATEUR RHYTHM
type: MusicAlbum
date published: 2016-12-14
track: IZM (feat. RHYME&B)
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229156
  explicit: false
  by artist: hokuto
  in album: AMATEUR RHYTHM
    type: MusicAlbum
    date published: 2016-12-14
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPE1687510
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T07:29:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5cd06ffa77336a3db64a244ff3826a9726f90fb4448faa54365531da7619fb0e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958517
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958517
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687510
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T07:54:29Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd06ffa77336a3db64a244ff3826a9726f90fb4448faa54365531da7619fb0e. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687510.
    date published: 2026-07-18T07:54:29Z
  audio: IZM (feat. RHYME&B)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.014
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.549
    additional property: Energy
      type: PropertyValue
      value: 0.886
    additional property: Speechiness
      type: PropertyValue
      value: 0.147
    additional property: Acousticness
      type: PropertyValue
      value: 0.123
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.294
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.495
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.965
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 10000 POUND (feat. テークエム, HANG & CHICO CARLITO)
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231975
  explicit: false
  by artist: hokuto
  in album: AMATEUR RHYTHM
    type: MusicAlbum
    date published: 2016-12-14
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPE1687513
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T22:51:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6ab88da70c9f2f85a2a7a79337b0f83539fe46d3347de44dc1c8aa2807c16dce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958461
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687513
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T23:18:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab88da70c9f2f85a2a7a79337b0f83539fe46d3347de44dc1c8aa2807c16dce. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687513.
    date published: 2026-07-17T23:18:11Z
  audio: 10000 POUND (feat. テークエム, HANG & CHICO CARLITO)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.115
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.428
    additional property: Energy
      type: PropertyValue
      value: 0.884
    additional property: Speechiness
      type: PropertyValue
      value: 0.171
    additional property: Acousticness
      type: PropertyValue
      value: 0.061
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.327
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.798
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.631
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Beautiful Sunshine (feat. peko)
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260000
  explicit: false
  by artist: hokuto
  in album: AMATEUR RHYTHM
    type: MusicAlbum
    date published: 2016-12-14
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPE1687514
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T03:48:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcee76f35d4807402ea69b9ef31129b17d5a8571ffae44831c9675dc1b88f5b44
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Beautiful Sunshine (feat. peko)
track: Watching You (feat. SNEEEZE)

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956889

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687514

OTSTimestamp
type: PropertyValue
value: 2026-07-06T06:56:49Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee76f35d4807402ea69b9ef31129b17d5a8571ffae44831c9675dc1b88f5b44. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687514.
date published: 2026-07-06T06:56:49Z

Beautiful Sunshine (feat. peko)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 158.094
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.617
additional property: Energy
  type: PropertyValue
  value: 0.848
additional property: Speechiness
  type: PropertyValue
  value: 0.177
additional property: Acousticness
  type: PropertyValue
  value: 0.084
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.406
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.799
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.954
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Watching You (feat. SNEEEZE)
type: MusicRecording
duration: PT4M14S
duration ms: 254000
explicit: false
by artist: hokuto
in album: AMATEUR RHYTHM
  type: MusicAlbum
  date published: 2016-12-14
genre: j-rap
genre: j-r&b
isrc code: TCJPE1687527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T02:33:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3ca06a7cd09e5918b7b56a7754a2d6727d759befc37890da69ec4a01e1a98f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T02:58:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ca06a7cd09e5918b7b56a7754a2d6727d759befc37890da69ec4a01e1a98f6. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1687527.
  date published: 2026-07-18T02:58:58Z
audio: Watching You (feat. SNEEEZE)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.925
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.622
  additional property: Energy
    type: PropertyValue
    value: 0.777
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.068
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.881
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.64
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

HAJIMETENOSEKAI
type: MusicAlbum
date published: 2018-04-01

Fly to the moon
type: MusicAlbum
date published: 2018-09-24

Alright (feat. 唾奇) [New ver.]
type: MusicAlbum
date published: 2021-09-04
track: Alright - New ver.
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205487
  explicit: false
  by artist: hokuto
  in album: Alright (feat. 唾奇) [New ver.]
    type: MusicAlbum
    date published: 2021-09-04
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPP2166094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T11:29:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b77922a052a40f8c8026bd813174e4b625f61163aa7c0ab306b775c900a6f41
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958153
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958153
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166094
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:03:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b77922a052a40f8c8026bd813174e4b625f61163aa7c0ab306b775c900a6f41. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166094.
    date published: 2026-07-15T12:03:04Z
  audio: Alright - New ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.061
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.488
    additional property: Energy
      type: PropertyValue
      value: 0.793
    additional property: Speechiness
      type: PropertyValue
      value: 0.327
    additional property: Acousticness
      type: PropertyValue
      value: 0.639
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.232
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.663
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.593
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Alright (feat. TSUBAKI) [New ver.]
type: MusicAlbum
date published: 2021-09-04

Kid's Dream (feat. WILYWNKA)
type: MusicAlbum
date published: 2021-09-22

Kid's Dream (feat. WILYWNKA)
type: MusicAlbum
date published: 2021-09-22

plums
type: MusicAlbum
date published: 2021-09-29
track: Kid's Dream (feat. WILYWNKA)
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207887
  explicit: true
  by artist: hokuto
  in album: plums
    type: MusicAlbum
    date published: 2021-09-29
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPP2166089
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T22:45:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8096aa7174e2476cbf57ee093b4da6852739b4bd426d2f8089e9ba857c5beebb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957770
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957770
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166089
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T23:17:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8096aa7174e2476cbf57ee093b4da6852739b4bd426d2f8089e9ba857c5beebb. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166089.
    date published: 2026-07-12T23:17:00Z
  audio: Kid's Dream (feat. WILYWNKA)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.929
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.686
    additional property: Energy
      type: PropertyValue
      value: 0.709
    additional property: Speechiness
      type: PropertyValue
      value: 0.087
    additional property: Acousticness
      type: PropertyValue
      value: 0.03
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.397
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.36
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.768
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 最新 (feat. WATT a.k.a. ヨッテルブッテル)
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192121
  explicit: false
  by artist: hokuto
  in album: plums
    type: MusicAlbum
    date published: 2021-09-29
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPP2166092
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:59:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1a414a60cf18034fbcea8153937dabdad24e2035ed64b5d26f348740d8b028cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166092
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a414a60cf18034fbcea8153937dabdad24e2035ed64b5d26f348740d8b028cc. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166092.
    date published: 2026-07-06T01:25:57Z
  audio: 最新 (feat. WATT a.k.a. ヨッテルブッテル)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 178.116
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.544
    additional property: Energy
      type: PropertyValue
      value: 0.726
    additional property: Speechiness
      type: PropertyValue
      value: 0.283
    additional property: Acousticness
      type: PropertyValue
      value: 0.385
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.142
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.614
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.928
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: I Think About Music (feat. VIGORMAN & vividboooy)
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221745
  explicit: false
  by artist: hokuto
  in album: plums
    type: MusicAlbum
    date published: 2021-09-29
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPP2166101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:06:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c09d3d05e0e83dc748794f9fcd68a24a20bbf566d6ae5a2219dc41ff9eca11c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I Think About Music (feat. VIGORMAN & vividboooy)
track: UNDERRATED (feat. NF Zessho)

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956889

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166101

OTSTimestamp
type: PropertyValue
value: 2026-07-06T06:56:49Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c09d3d05e0e83dc748794f9fcd68a24a20bbf566d6ae5a2219dc41ff9eca11c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166101.
date published: 2026-07-06T06:56:49Z

I Think About Music (feat. VIGORMAN & vividboooy)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 150.022
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.571
additional property: Energy
  type: PropertyValue
  value: 0.828
additional property: Speechiness
  type: PropertyValue
  value: 0.075
additional property: Acousticness
  type: PropertyValue
  value: 0.027
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.437
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.845
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.893
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

UNDERRATED (feat. NF Zessho)
type: MusicRecording
duration: PT3M13S
duration ms: 193420
explicit: false
by artist: hokuto
in album: plums
  type: MusicAlbum
  date published: 2021-09-29
genre: j-rap
genre: j-r&b
isrc code: TCJPP2166112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T18:56:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae284834b3798247ec1a570cb7b0ed490619bceaf057de34be341ac8ab828c2b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T19:42:29Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae284834b3798247ec1a570cb7b0ed490619bceaf057de34be341ac8ab828c2b. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166112.
  date published: 2026-07-16T19:42:29Z
audio: UNDERRATED (feat. NF Zessho)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.927
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.703
  additional property: Speechiness
    type: PropertyValue
    value: 0.156
  additional property: Acousticness
    type: PropertyValue
    value: 0.164
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.577
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.049
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

plums
type: MusicAlbum
date published: 2021-09-29
track: Alright - New ver.
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205487
  explicit: false
  by artist: hokuto
  in album: plums
    type: MusicAlbum
    date published: 2021-09-29
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPP2166094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1b77922a052a40f8c8026bd813174e4b625f61163aa7c0ab306b775c900a6f41
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958942
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958942
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166094
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T00:24:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b77922a052a40f8c8026bd813174e4b625f61163aa7c0ab306b775c900a6f41. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2166094.
    date published: 2026-07-21T00:24:07Z
  audio: Alright - New ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.061
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.488
    additional property: Energy
      type: PropertyValue
      value: 0.793
    additional property: Speechiness
      type: PropertyValue
      value: 0.327
    additional property: Acousticness
      type: PropertyValue
      value: 0.639
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.232
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.663
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.593
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

plums (Deluxe)
type: MusicAlbum
date published: 2022-09-28
track: Alright - New ver
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205487
  explicit: false
  by artist: hokuto
  in album: plums (Deluxe)
    type: MusicAlbum
    date published: 2022-09-28
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPT2202431
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:56:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x821aaf2b81e9fc29d1f12ad5cba5bfe6b0818b1b302bddd3793a24f417262dae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202431
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T17:49:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821aaf2b81e9fc29d1f12ad5cba5bfe6b0818b1b302bddd3793a24f417262dae. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202431.
    date published: 2026-07-19T17:49:48Z
  audio: Alright - New ver
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.061
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.488
    additional property: Energy
      type: PropertyValue
      value: 0.793
    additional property: Speechiness
      type: PropertyValue
      value: 0.327
    additional property: Acousticness
      type: PropertyValue
      value: 0.639
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.232
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.663
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.593
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Imposter (feat. 唾奇 & 仙人掌)
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178615
  explicit: false
  by artist: hokuto
  in album: plums (Deluxe)
    type: MusicAlbum
    date published: 2022-09-28
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPT2202437
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T13:14:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39215a2540228cf4cb74c5b6a29a3b97e4e05bf36436beec7b67cebcb2f167aa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959010
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959010
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202437
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T13:22:35Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39215a2540228cf4cb74c5b6a29a3b97e4e05bf36436beec7b67cebcb2f167aa. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202437.
    date published: 2026-07-21T13:22:35Z
  audio: Imposter (feat. 唾奇 & 仙人掌)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.469
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.597
    additional property: Energy
      type: PropertyValue
      value: 0.688
    additional property: Speechiness
      type: PropertyValue
      value: 0.363
    additional property: Acousticness
      type: PropertyValue
      value: 0.563
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.236
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.884
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.082
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Good Time - Remix Ver
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248899
  explicit: false
  by artist: hokuto
  in album: plums (Deluxe)
    type: MusicAlbum
    date published: 2022-09-28
  genre: j-rap
  genre: j-r&b
  isrc code: TCJPT2202468
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:36:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3c09926f2cec7d988990f9a7b3a4c6c6e98f29698a9c66fe6edbffbe24e0416c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Good Time - Remix Ver
track: I Think About Music - tofubeats Remix Ver

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956474

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202468

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c09926f2cec7d988990f9a7b3a4c6c6e98f29698a9c66fe6edbffbe24e0416c. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202468.
date published: 2026-07-03T08:56:35Z

Good Time - Remix Ver
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 90.989
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.627
additional property: Energy
  type: PropertyValue
  value: 0.814
additional property: Speechiness
  type: PropertyValue
  value: 0.118
additional property: Acousticness
  type: PropertyValue
  value: 0.186
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.151
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.799
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.77
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

I Think About Music - tofubeats Remix Ver
type: MusicRecording
duration: PT4M20S
duration ms: 260543
explicit: false
by artist: hokuto
in album: plums (Deluxe)
  type: MusicAlbum
  date published: 2022-09-28
genre: j-rap
genre: j-r&b
isrc code: TCJPT2202482
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T02:22:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x681687ad2627539dd9e81b176cba3d10ddc439e4b3915de991f6183fd4352634. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202482.
  date published: 2026-07-20T02:22:58Z
audio: I Think About Music - tofubeats Remix Ver
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  additional property: Danceability
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  additional property: Speechiness
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    value: 0.045
  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.68
  additional property: Key Name
    type: PropertyValue
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    type: PropertyValue
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plums (Deluxe)
type: MusicAlbum
date published: 2022-09-28
track: Good Time - Remix Ver
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  in album: plums (Deluxe)
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    date published: 2022-09-28
  genre: j-rap
  genre: j-r&b
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c09926f2cec7d988990f9a7b3a4c6c6e98f29698a9c66fe6edbffbe24e0416c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2202468.
    date published: 2026-07-08T03:20:19Z
  audio: Good Time - Remix Ver
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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    additional property: Mode Name
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MUTHOS Season 1
type: MusicAlbum
date published: 2022-12-07
track: Lovin You
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  duration: PT2M39S
  duration ms: 159798
  explicit: false
  by artist: hokuto
  in album: MUTHOS Season 1
    type: MusicAlbum
    date published: 2022-12-07
  genre: j-rap
  genre: j-r&b
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    type: PropertyValue
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801962057
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfe40e90824d80d5ba30af72cc73455317777b4f3e43213a0b84d98f99f91af. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801962057.
    date published: 2026-07-05T19:27:56Z
  audio: Lovin You
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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laughing
type: MusicAlbum
date published: 2023-06-29

Darling you
type: MusicAlbum
date published: 2024-11-30