Sad Kid Yaz
type: MusicGroup
genre: hyperpop
genre: jersey club
genre: j-rap
popularity: 26
followers: 1207
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99dd3fca82121cd7832e126137999abef8ab06d7c768df9e4e74a5ebb3c4153d
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/ab8edbc7-3364-4256-a7df-231288cf4acf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab8edbc7-3364-4256-a7df-231288cf4acf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ab8edbc7-3364-4256-a7df-231288cf4acf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x99dd3fca82121cd7832e126137999abef8ab06d7c768df9e4e74a5ebb3c4153d","name":"Sad Kid Yaz","registered_at":"2026-06-12T06:58:17Z","symbol":"NIM0221325","token_address":"0x857bf4099c6746ca10921f6f164e0a84dc4506f5","type":"artist","uuid":"ab8edbc7-3364-4256-a7df-231288cf4acf"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99dd3fca82121cd7832e126137999abef8ab06d7c768df9e4e74a5ebb3c4153d. 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/ab8edbc7-3364-4256-a7df-231288cf4acf.json and https://artists.proofprofile.net/proofs/artist/ab8edbc7-3364-4256-a7df-231288cf4acf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x99dd3fca82121cd7832e126137999abef8ab06d7c768df9e4e74a5ebb3c4153d","name":"Sad Kid Yaz","registered_at":"2026-06-12T06:58:17Z","symbol":"NIM0221325","token_address":"0x857bf4099c6746ca10921f6f164e0a84dc4506f5","type":"artist","uuid":"ab8edbc7-3364-4256-a7df-231288cf4acf"}
album: Boy in Sad World
  type: MusicAlbum
  date published: 2022-04-15
album: 俺の瞳に映る街 (feat. SOH EMPTY & Lil n seek)
  type: MusicAlbum
  date published: 2022-06-03
album: Ore no hitomi ni utsuru mati (feat. SOH EMPTY & Lil n seek)
  type: MusicAlbum
  date published: 2022-06-03
album: Tokyo R!ot
  type: MusicAlbum
  date published: 2023-01-28
album: XiGEKiX (feat. Filix王 & v3geboy)
  type: MusicAlbum
  date published: 2023-08-31
  track: XiGEKiX (feat. Filix王 & v3geboy)
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159722
    explicit: true
    by artist: Sad Kid Yaz
    in album: XiGEKiX (feat. Filix王 & v3geboy)
      type: MusicAlbum
      date published: 2023-08-31
    genre: hyperpop
    genre: jersey club
    genre: j-rap
    isrc code: TCJPX2325230
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T08:19:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa2a35fca73e60b19f4e52098a5f0d26f1fb751b96ce5efa2800cddccbea09b5e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2325230
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a35fca73e60b19f4e52098a5f0d26f1fb751b96ce5efa2800cddccbea09b5e. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/TCJPX2325230.
      date published: 2026-07-04T14:03:39Z
    audio: XiGEKiX (feat. Filix王 & v3geboy)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.024
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.758
      additional property: Energy
        type: PropertyValue
        value: 0.673
      additional property: Speechiness
        type: PropertyValue
        value: 0.2
      additional property: Acousticness
        type: PropertyValue
        value: 0.069
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.08
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.714
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.103
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: XiGEKiX (feat. Filix Wang & v3geboy)
  type: MusicAlbum
  date published: 2023-08-31
album: 21世紀革命
  type: MusicAlbum
  date published: 2023-11-08
  track: Cinderella
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156045
    explicit: true
    by artist: Sad Kid Yaz
    in album: 21世紀革命
      type: MusicAlbum
      date published: 2023-11-08
    genre: hyperpop
    genre: jersey club
    genre: j-rap
    isrc code: TCJPX2383842
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:49:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8607417b0365eb138cfe43d2f8f58691fa1a16bca643660f4c6ddd87ef3a63ed
    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/TCJPX2383842
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:51:25Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8607417b0365eb138cfe43d2f8f58691fa1a16bca643660f4c6ddd87ef3a63ed. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:51:25Z), 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/TCJPX2383842.
      date published: 2026-07-15T14:51:25Z
    audio: Cinderella
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.869
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: アバラ骨
album: 21st century revolution
album: 殺しのメロディー (feat. rirugiliyangugili)
album: KILLING MELODY (feat. rirugiliyangugili)
album: FOREVER YOUNG
album: RAPQUEST II ~DREAMING IN THE CONTINENT~
album: RAPQUEST Ⅱ 〜夢の大陸〜
album: Mosquito
album: RICH KAKUTEI
album: リッチ確定
album: Bat&Panther
album: Erica
album: TrendStar
album: ナウい
album: Play Sad's Song
album: レベチ
album: LEVECHI
album: RICH KAKUTEI (who28 Remix)
album: リッチ確定 (who28 Remix)
album: カチモリ
album: Sleek Bun
album: Loco Lunch
album: Loco Dinner
album: Sad Kid Yaz Type Beat

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.673

Energy
type: PropertyValue
value: 0.811

Speechiness
type: PropertyValue
value: 0.108

Acousticness
type: PropertyValue
value: 0.007

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.143

Valence (Positivity)
type: PropertyValue
value: 0.697

Loudness (dB)
type: PropertyValue
value: -5.656

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

アバラ骨
type: MusicRecording
duration: PT2M28S
duration ms: 148068
explicit: true
by artist: Sad Kid Yaz
in album: 21世紀革命
  type: MusicAlbum
  date published: 2023-11-08
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPX2383879
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T06:10:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a9af4345091d7df6a22937b701baa66647c81b173bf097d6f82cb39f70f085d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956476
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956476
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2383879
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T09:04:44Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a9af4345091d7df6a22937b701baa66647c81b173bf097d6f82cb39f70f085d. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCJPX2383879.
  date published: 2026-07-03T09:04:44Z
audio: アバラ骨
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.581
  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: 0.671
  additional property: Energy
    type: PropertyValue
    value: 0.96
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.064
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.407
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.027
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

21st century revolution
type: MusicAlbum
date published: 2023-11-08

殺しのメロディー (feat. rirugiliyangugili)
type: MusicAlbum
date published: 2024-02-28
track: 殺しのメロディー (feat. rirugiliyangugili)
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147600
  explicit: true
  by artist: Sad Kid Yaz
  in album: 殺しのメロディー (feat. rirugiliyangugili)
    type: MusicAlbum
    date published: 2024-02-28
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPZ2439509
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:55:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ad0044f5c9343c411fb551e8da0bd7cb0cce65762513e971cd1d4270d33265b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958384
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958384
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2439509
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:57:14Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ad0044f5c9343c411fb551e8da0bd7cb0cce65762513e971cd1d4270d33265b. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T10:57:14Z), 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/TCJPZ2439509.
    date published: 2026-07-17T10:57:14Z
  audio: 殺しのメロディー (feat. rirugiliyangugili)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.004
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.637
    additional property: Energy
      type: PropertyValue
      value: 0.95
    additional property: Speechiness
      type: PropertyValue
      value: 0.121
    additional property: Acousticness
      type: PropertyValue
      value: 0.014
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.34
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.537
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.885
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

KILLING MELODY (feat. rirugiliyangugili)
type: MusicAlbum
date published: 2024-02-28

FOREVER YOUNG
type: MusicAlbum
date published: 2024-04-10

FOREVER YOUNG
type: MusicAlbum
date published: 2024-04-10

RAPQUEST II ~DREAMING IN THE CONTINENT~
type: MusicAlbum
date published: 2024-05-29

RAPQUEST Ⅱ 〜夢の大陸〜
type: MusicAlbum
date published: 2024-05-29
track: FOREVER YOUNG
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111421
  explicit: false
  by artist: Sad Kid Yaz
  in album: RAPQUEST Ⅱ 〜夢の大陸〜
    type: MusicAlbum
    date published: 2024-05-29
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPZ2484134
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T10:26:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c3d8dbfaeb4c62a85b6b54bf014a24517810f19efce95b8e0a96b00bada49b5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2484134
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:29:45Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c3d8dbfaeb4c62a85b6b54bf014a24517810f19efce95b8e0a96b00bada49b5. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/TCJPZ2484134.
    date published: 2026-07-17T10:29:45Z
  audio: FOREVER YOUNG
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.956
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.648
    additional property: Energy
      type: PropertyValue
      value: 0.911
    additional property: Speechiness
      type: PropertyValue
      value: 0.131
    additional property: Acousticness
      type: PropertyValue
      value: 0.006
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.068
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.544
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.793
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: でんせつポケモン (feat. valknee)
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142612
  explicit: false
  by artist: Sad Kid Yaz
  in album: RAPQUEST Ⅱ 〜夢の大陸〜
    type: MusicAlbum
    date published: 2024-05-29
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPA2439137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T11:52:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x703dca412b4a5b61eebb298de6f250aa71bb06bc600348b0877c0e0368a683cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958373
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958373
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPA2439137
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:09:33Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703dca412b4a5b61eebb298de6f250aa71bb06bc600348b0877c0e0368a683cc. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/TCJPA2439137.
    date published: 2026-07-17T06:09:33Z
  audio: でんせつポケモン (feat. valknee)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.972
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.797
    additional property: Energy
      type: PropertyValue
      value: 0.915
    additional property: Speechiness
      type: PropertyValue
      value: 0.177
    additional property: Acousticness
      type: PropertyValue
      value: 0.081
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.203
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.905
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.729
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Cleopatra
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105347
  explicit: true
  by artist: Sad Kid Yaz
  in album: RAPQUEST Ⅱ 〜夢の大陸〜
    type: MusicAlbum
    date published: 2024-05-29
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPA2439150
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T23:12:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddd5fd1c9eff82b798e50ef498bc61992b01c838311a65de996228d4a639eb1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Cleopatra
track: #SoundPool

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957772

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957772

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPA2439150

OTSTimestamp
type: PropertyValue
value: 2026-07-12T23:31:17Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd5fd1c9eff82b798e50ef498bc61992b01c838311a65de996228d4a639eb1c. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/TCJPA2439150.
date published: 2026-07-12T23:31:17Z

Cleopatra
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 155.013
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: 0.806
additional property: Energy
  type: PropertyValue
  value: 0.902
additional property: Speechiness
  type: PropertyValue
  value: 0.249
additional property: Acousticness
  type: PropertyValue
  value: 0.166
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.161
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.533
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.094
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

#SoundPool
type: MusicRecording
duration: PT1M54S
duration ms: 114427
explicit: true
by artist: Sad Kid Yaz
in album: RAPQUEST Ⅱ 〜夢の大陸〜
  type: MusicAlbum
  date published: 2024-05-29
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPA2445082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T19:26:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce3c2f701594b24cbaca5ad6818e80baa3f9acb54aa88eee97842a65ade3f346
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958775
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958775
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPA2445082
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:28:09Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3c2f701594b24cbaca5ad6818e80baa3f9acb54aa88eee97842a65ade3f346. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:28:09Z), 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/TCJPA2445082.
  date published: 2026-07-19T22:28:09Z
audio: #SoundPool
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.475
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.881
  additional property: Energy
    type: PropertyValue
    value: 0.484
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0.01
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.269
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.955
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mosquito
type: MusicAlbum
date published: 2024-07-24
track: Mosquito
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120047
  explicit: false
  by artist: Sad Kid Yaz
  in album: Mosquito
    type: MusicAlbum
    date published: 2024-07-24
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPB2411445
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:53:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5cba7af3d6573f3327f12a33e27d4d60baeb36900c39f10f3a1092113f62b48e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2411445
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cba7af3d6573f3327f12a33e27d4d60baeb36900c39f10f3a1092113f62b48e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPB2411445.
    date published: 2026-07-05T01:12:41Z
  audio: Mosquito
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.028
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.7
    additional property: Energy
      type: PropertyValue
      value: 0.877
    additional property: Speechiness
      type: PropertyValue
      value: 0.321
    additional property: Acousticness
      type: PropertyValue
      value: 0.087
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.252
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.806
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.296
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 瞳を閉じて
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163792
  explicit: true
  by artist: Sad Kid Yaz
  in album: Mosquito
    type: MusicAlbum
    date published: 2024-07-24
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPB2411446
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T06:42:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8f29b9ddd8ed54967af7d593d6150018e405a9ec30788f312ae4298e4427fa84
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958842
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958842
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2411446
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:45:32Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f29b9ddd8ed54967af7d593d6150018e405a9ec30788f312ae4298e4427fa84. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:45:32Z), 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/TCJPB2411446.
    date published: 2026-07-20T09:45:32Z
  audio: 瞳を閉じて
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.022
    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: 0.893
    additional property: Energy
      type: PropertyValue
      value: 0.955
    additional property: Speechiness
      type: PropertyValue
      value: 0.253
    additional property: Acousticness
      type: PropertyValue
      value: 0.41
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.636
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.843
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.174
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mosquito
type: MusicAlbum
date published: 2024-07-24

RICH KAKUTEI
type: MusicAlbum
date published: 2024-10-09

リッチ確定
type: MusicAlbum
date published: 2024-10-09
track: リッチ確定
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123641
  explicit: true
  by artist: Sad Kid Yaz
  in album: リッチ確定
    type: MusicAlbum
    date published: 2024-10-09
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPB2499780
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x308bd3505a705617ff9b9b9292d824dfbeae62ff359c21946ee9db62a14280a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958377
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2499780
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:48:00Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308bd3505a705617ff9b9b9292d824dfbeae62ff359c21946ee9db62a14280a9. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/TCJPB2499780.
    date published: 2026-07-17T06:48:00Z
  audio: リッチ確定
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 171.989
    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: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.641
    additional property: Speechiness
      type: PropertyValue
      value: 0.185
    additional property: Acousticness
      type: PropertyValue
      value: 0.096
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.93
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.708
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bat&Panther
type: MusicAlbum
date published: 2024-12-11

Bat&Panther
type: MusicAlbum
date published: 2024-12-11

Erica
type: MusicAlbum
date published: 2025-01-29

Erica
type: MusicAlbum
date published: 2025-01-29
track: Erica
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115764
  explicit: true
  by artist: Sad Kid Yaz
  in album: Erica
    type: MusicAlbum
    date published: 2025-01-29
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPD2544508
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T11:03:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6593a80c14329e5c2bbcac30e6790898bd40177d3f211a41561eff2deff905be
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958867
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958867
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2544508
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T14:03:22Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6593a80c14329e5c2bbcac30e6790898bd40177d3f211a41561eff2deff905be. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T14:03:22Z), 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/TCJPD2544508.
    date published: 2026-07-20T14:03:22Z
  audio: Erica
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.03
    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: 0.651
    additional property: Energy
      type: PropertyValue
      value: 0.641
    additional property: Speechiness
      type: PropertyValue
      value: 0.191
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.686
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.347
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

TrendStar
type: MusicAlbum
date published: 2025-02-19

ナウい
type: MusicAlbum
date published: 2025-02-19

Play Sad's Song
type: MusicAlbum
date published: 2025-03-05
track: リッチ確定
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123641
  explicit: true
  by artist: Sad Kid Yaz
  in album: Play Sad's Song
    type: MusicAlbum
    date published: 2025-03-05
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPB2499780
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T10:04:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x308bd3505a705617ff9b9b9292d824dfbeae62ff359c21946ee9db62a14280a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957851
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957851
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2499780
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T11:26:33Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308bd3505a705617ff9b9b9292d824dfbeae62ff359c21946ee9db62a14280a9. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/TCJPB2499780.
    date published: 2026-07-13T11:26:33Z
  audio: リッチ確定
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 171.989
    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: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.641
    additional property: Speechiness
      type: PropertyValue
      value: 0.185
    additional property: Acousticness
      type: PropertyValue
      value: 0.096
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.93
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.708
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Loco Freestyle
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119268
  explicit: true
  by artist: Sad Kid Yaz
  in album: Play Sad's Song
    type: MusicAlbum
    date published: 2025-03-05
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPD2540624
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:49:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5943e029b3f2a61d16a235a06125e74999df2a20b41fd5e8f6708ce71324e6a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958196
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958196
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2540624
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T21:51:50Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5943e029b3f2a61d16a235a06125e74999df2a20b41fd5e8f6708ce71324e6a9. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T21:51:50Z), 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/TCJPD2540624.
    date published: 2026-07-15T21:51:50Z
  audio: Loco Freestyle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 164.006
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.713
    additional property: Energy
      type: PropertyValue
      value: 0.627
    additional property: Speechiness
      type: PropertyValue
      value: 0.079
    additional property: Acousticness
      type: PropertyValue
      value: 0.07
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.226
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.609
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.735
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: By my side
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132881
  explicit: true
  by artist: Sad Kid Yaz
  in album: Play Sad's Song
    type: MusicAlbum
    date published: 2025-03-05
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPC2468478
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T00:40:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe71579f76eae7f6569b054bb8a93ae11528bf5f02d81cd1bf1a0268b5fc22348
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: By my side
track: 満天
track: 渋谷で見るVision
track: Tattoo on ma brain
track: Demon Shawty
track: ナウい - Yamiboi To$ Remix
track: Money Rain - Bonus Track

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958095

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958095

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2468478

OTSTimestamp
type: PropertyValue
value: 2026-07-15T04:30:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71579f76eae7f6569b054bb8a93ae11528bf5f02d81cd1bf1a0268b5fc22348. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/TCJPC2468478.
date published: 2026-07-15T04:30:08Z

By my side
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 177.037
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: 0.462
additional property: Energy
  type: PropertyValue
  value: 0.848
additional property: Speechiness
  type: PropertyValue
  value: 0.106
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.069
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.501
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.667
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

満天
type: MusicRecording
duration: PT2M5S
duration ms: 125591
explicit: false
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPD2540622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T17:24:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcad4ad34224a05582e0e7677092ac5fd179419091e1c37ce2ce184e7391c4b16
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958180
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958180
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2540622
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T20:27:22Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad4ad34224a05582e0e7677092ac5fd179419091e1c37ce2ce184e7391c4b16. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:27:22Z), 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/TCJPD2540622.
  date published: 2026-07-15T20:27:22Z
audio: 満天
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.545
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.736
  additional property: Energy
    type: PropertyValue
    value: 0.745
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.255
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.705
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.678
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

渋谷で見るVision
type: MusicRecording
duration: PT1M46S
duration ms: 106930
explicit: true
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPC2468499
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T01:39:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x136d14269db61913376359b891e80ff22b4d768d63becd7e825ef9635c594d22
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958951
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958951
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2468499
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T04:40:17Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136d14269db61913376359b891e80ff22b4d768d63becd7e825ef9635c594d22. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:40:17Z), 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/TCJPC2468499.
  date published: 2026-07-21T04:40:17Z
audio: 渋谷で見るVision
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.952
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.714
  additional property: Energy
    type: PropertyValue
    value: 0.654
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.198
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.684
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.833
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tattoo on ma brain
type: MusicRecording
duration: PT2M4S
duration ms: 124784
explicit: true
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPC2468501
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:39:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x851724e800d0d9fdb94f486f8941b71fac7bb090406c675072b8f0c00584eb2e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2468501
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851724e800d0d9fdb94f486f8941b71fac7bb090406c675072b8f0c00584eb2e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCJPC2468501.
  date published: 2026-07-05T10:01:46Z
audio: Tattoo on ma brain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.219
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.49
  additional property: Energy
    type: PropertyValue
    value: 0.684
  additional property: Speechiness
    type: PropertyValue
    value: 0.238
  additional property: Acousticness
    type: PropertyValue
    value: 0.145
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.788
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.564
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Demon Shawty
type: MusicRecording
duration: PT2M13S
duration ms: 133793
explicit: true
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPD2538392
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T09:24:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03be78461ad95c7d8f06ad6d2e8a9fcf87a3e64e9efed9e1afd389ee236b1281
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2538392
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T09:45:25Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03be78461ad95c7d8f06ad6d2e8a9fcf87a3e64e9efed9e1afd389ee236b1281. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/TCJPD2538392.
  date published: 2026-07-20T09:45:25Z
audio: Demon Shawty
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.186
  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: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.62
  additional property: Speechiness
    type: PropertyValue
    value: 0.092
  additional property: Acousticness
    type: PropertyValue
    value: 0.055
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.718
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

ナウい - Yamiboi To$ Remix
type: MusicRecording
duration: PT2M43S
duration ms: 163668
explicit: true
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPD2568764
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T15:47:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb12abd86f15098149089e45125db594fc15345dd785c3b3c6a03716e93fddae8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2568764
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T16:22:28Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb12abd86f15098149089e45125db594fc15345dd785c3b3c6a03716e93fddae8. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/TCJPD2568764.
  date published: 2026-07-18T16:22:28Z
audio: ナウい - Yamiboi To$ Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.367
  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: 0.442
  additional property: Energy
    type: PropertyValue
    value: 0.757
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.072
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.28
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.469
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Money Rain - Bonus Track
type: MusicRecording
duration: PT2M0S
duration ms: 120000
explicit: true
by artist: Sad Kid Yaz
in album: Play Sad's Song
  type: MusicAlbum
  date published: 2025-03-05
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPD2577241
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T04:38:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x078538c60087415f9b45f078c3499d2fb8dc07895f89934d9d207e75200110c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958969
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958969
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2577241
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T04:58:13Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x078538c60087415f9b45f078c3499d2fb8dc07895f89934d9d207e75200110c6. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/TCJPD2577241.
  date published: 2026-07-21T04:58:13Z
audio: Money Rain - Bonus Track
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.955
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.652
  additional property: Energy
    type: PropertyValue
    value: 0.497
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.057
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.57
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.957
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Play Sad's Song
type: MusicAlbum
date published: 2025-03-05

レベチ
type: MusicAlbum
date published: 2025-06-11

LEVECHI
type: MusicAlbum
date published: 2025-06-11

RICH KAKUTEI (who28 Remix)
type: MusicAlbum
date published: 2025-06-25

リッチ確定 (who28 Remix)
type: MusicAlbum
date published: 2025-06-25

カチモリ
type: MusicAlbum
date published: 2025-07-16

Sleek Bun
type: MusicAlbum
date published: 2025-07-16
track: Sleek Bun
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127535
  explicit: true
  by artist: Sad Kid Yaz
  in album: Sleek Bun
    type: MusicAlbum
    date published: 2025-07-16
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPJ2552742
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T09:24:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xacd804b7fa82fdedb6b1578ca53cecbe4e6de2103e8a7205eb80c4ac32ee37b1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ2552742
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacd804b7fa82fdedb6b1578ca53cecbe4e6de2103e8a7205eb80c4ac32ee37b1. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/TCJPJ2552742.
    date published: 2026-07-18T12:14:37Z
  audio: Sleek Bun
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.978
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.788
    additional property: Energy
      type: PropertyValue
      value: 0.833
    additional property: Speechiness
      type: PropertyValue
      value: 0.209
    additional property: Acousticness
      type: PropertyValue
      value: 0.197
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.125
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.882
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.722
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Loco Lunch
type: MusicAlbum
date published: 2025-08-06

Loco Dinner
type: MusicAlbum
date published: 2025-08-06
track: 言った通り
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142794
  explicit: true
  by artist: Sad Kid Yaz
  in album: Loco Dinner
    type: MusicAlbum
    date published: 2025-08-06
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPK2521108
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:02:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x518df1f28d388195af178a95aadc573fb1b1d67562af0f9bf58f9422f44c00dc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958468
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2521108
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T00:27:51Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518df1f28d388195af178a95aadc573fb1b1d67562af0f9bf58f9422f44c00dc. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/TCJPK2521108.
    date published: 2026-07-18T00:27:51Z
  audio: 言った通り
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.129
    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: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.726
    additional property: Speechiness
      type: PropertyValue
      value: 0.081
    additional property: Acousticness
      type: PropertyValue
      value: 0.01
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.208
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.191
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 3AM (feat. Manaka)
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150372
  explicit: false
  by artist: Sad Kid Yaz
  in album: Loco Dinner
    type: MusicAlbum
    date published: 2025-08-06
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPK2525070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T15:51:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee82d01e7f041b8637d76964b5bf0e492f8f6252ca9fcfc439769c74fd290ec3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958436
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958436
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2525070
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T16:42:22Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee82d01e7f041b8637d76964b5bf0e492f8f6252ca9fcfc439769c74fd290ec3. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/TCJPK2525070.
    date published: 2026-07-17T16:42:22Z
  audio: 3AM (feat. Manaka)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.448
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.789
    additional property: Energy
      type: PropertyValue
      value: 0.869
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.082
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.94
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.641
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 調子がGreat (feat. ShowyRENZO)
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191502
  explicit: true
  by artist: Sad Kid Yaz
  in album: Loco Dinner
    type: MusicAlbum
    date published: 2025-08-06
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: TCJPK2524027
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:53:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6bfe4b46a98ca386ed2cd0117c7c4704a6fa183c97e6a648dfc1d312d10bea82
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 調子がGreat (feat. ShowyRENZO)
track: おれ次第Freestyle

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958484

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958484

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2524027

OTSTimestamp
type: PropertyValue
value: 2026-07-18T03:34:53Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfe4b46a98ca386ed2cd0117c7c4704a6fa183c97e6a648dfc1d312d10bea82. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/TCJPK2524027.
date published: 2026-07-18T03:34:53Z

調子がGreat (feat. ShowyRENZO)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 145.538
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.52
additional property: Energy
  type: PropertyValue
  value: 0.725
additional property: Speechiness
  type: PropertyValue
  value: 0.111
additional property: Acousticness
  type: PropertyValue
  value: 0.129
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.122
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.316
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.83
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

おれ次第Freestyle
type: MusicRecording
duration: PT2M8S
duration ms: 128203
explicit: false
by artist: Sad Kid Yaz
in album: Loco Dinner
  type: MusicAlbum
  date published: 2025-08-06
genre: hyperpop
genre: jersey club
genre: j-rap
isrc code: TCJPK2523742
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T02:46:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde24cdc4952049c86db8cf562840f9bf12d13f0fa2f65f812a7b29511de11bb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958823
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958823
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2523742
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T05:49:29Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde24cdc4952049c86db8cf562840f9bf12d13f0fa2f65f812a7b29511de11bb2. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:49:29Z), 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/TCJPK2523742.
  date published: 2026-07-20T05:49:29Z
audio: おれ次第Freestyle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.854
  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: 0.436
  additional property: Energy
    type: PropertyValue
    value: 0.811
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.536
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.743
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Loco Dinner
type: MusicAlbum
date published: 2025-08-06

Loco Lunch
type: MusicAlbum
date published: 2025-08-06

Sad Kid Yaz Type Beat
type: MusicAlbum
date published: 2025-10-11
track: Sad Kid Yaz Type Beat
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150870
  explicit: false
  by artist: Sad Kid Yaz
  in album: Sad Kid Yaz Type Beat
    type: MusicAlbum
    date published: 2025-10-11
  genre: hyperpop
  genre: jersey club
  genre: j-rap
  isrc code: QT66K2529677
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T15:07:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdbbd300960147b10858dd7fbbb98376915b954c6f6fad1f07988226849dd91dd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT66K2529677
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbbd300960147b10858dd7fbbb98376915b954c6f6fad1f07988226849dd91dd. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QT66K2529677.
    date published: 2026-07-16T16:14:30Z
  audio: Sad Kid Yaz Type Beat
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.04
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.705
    additional property: Energy
      type: PropertyValue
      value: 0.741
    additional property: Speechiness
      type: PropertyValue
      value: 0.116
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.268
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.28
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.701
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sad Kid Yaz Type Beat
type: MusicAlbum
date published: 2025-10-11