Harley KSD
type: MusicGroup
genre: portuguese hip hop
popularity: 29
followers: 2281
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5ff3ba982c5e3492a04861d15db018b6919167e17ed1ff7c152a9db769e389b4
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/0f96abae-3e6b-406c-8728-b6e969ca9878.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f96abae-3e6b-406c-8728-b6e969ca9878.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0f96abae-3e6b-406c-8728-b6e969ca9878
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5ff3ba982c5e3492a04861d15db018b6919167e17ed1ff7c152a9db769e389b4","name":"Harley KSD","registered_at":"2026-06-11T11:59:05Z","symbol":"NIM0021328","token_address":"0xddc5bab61d87f6b5f90d0f5a0c98475ad160f901","type":"artist","uuid":"0f96abae-3e6b-406c-8728-b6e969ca9878"}
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 0x5ff3ba982c5e3492a04861d15db018b6919167e17ed1ff7c152a9db769e389b4. 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/0f96abae-3e6b-406c-8728-b6e969ca9878.json and https://artists.proofprofile.net/proofs/artist/0f96abae-3e6b-406c-8728-b6e969ca9878.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x5ff3ba982c5e3492a04861d15db018b6919167e17ed1ff7c152a9db769e389b4","name":"Harley KSD","registered_at":"2026-06-11T11:59:05Z","symbol":"NIM0021328","token_address":"0xddc5bab61d87f6b5f90d0f5a0c98475ad160f901","type":"artist","uuid":"0f96abae-3e6b-406c-8728-b6e969ca9878"}
album: Histórias Di Nha Vida
  type: MusicAlbum
  date published: 2020-04-24
album: Di Mi Pa Mi
  type: MusicAlbum
  date published: 2020-05-31
  track: Di Mi Pa Mi
    type: MusicRecording
    duration: PT4M5S
    duration ms: 245504
    explicit: false
    by artist: Harley KSD
    in album: Di Mi Pa Mi
      type: MusicAlbum
      date published: 2020-05-31
    genre: portuguese hip hop
    isrc code: QZHZ42075461
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:06:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1a491912d46340e342eebcda54100629ca2a5eb31b503ec9e7d03481bf381f0e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ42075461
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x1a491912d46340e342eebcda54100629ca2a5eb31b503ec9e7d03481bf381f0e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZHZ42075461.
      date published: 2026-07-04T11:19:20Z
    audio: Di Mi Pa Mi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.914
      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: 0.832
      additional property: Energy
        type: PropertyValue
        value: 0.511
      additional property: Speechiness
        type: PropertyValue
        value: 0.574
      additional property: Acousticness
        type: PropertyValue
        value: 0.845
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.361
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.035
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sozinho
  type: MusicAlbum
  date published: 2021-05-14
album: Nós
  type: MusicAlbum
  date published: 2021-11-05
album: Voa Neguinho
  type: MusicAlbum
  date published: 2022-01-28
album: Number 1
  type: MusicAlbum
  date published: 2023-02-14
album: Abracadabra
  type: MusicAlbum
  date published: 2023-08-25
album: Confia na bo
  type: MusicAlbum
  date published: 2023-10-27
  track: Confia na bo
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194229
    explicit: false
    by artist: Harley KSD
    in album: Confia na bo
      type: MusicAlbum
      date published: 2023-10-27
    genre: portuguese hip hop
    isrc code: PT7VY2300003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-30T05:03:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6174cdd852739ddb63a57b518c578228a60bbb7a801cca2afd57ce6f1dd02187
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT7VY2300003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 0x6174cdd852739ddb63a57b518c578228a60bbb7a801cca2afd57ce6f1dd02187. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/PT7VY2300003.
      date published: 2026-07-02T16:51:38Z
    audio: Confia na bo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.016
      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
      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
album: Kel Duya
album: Asas pa nu voa
album: Cartas de Amor
album: Flashbacks
album: Certeza

Danceability
type: PropertyValue
value: 0.699

Energy
type: PropertyValue
value: 0.675

Speechiness
type: PropertyValue
value: 0.108

Acousticness
type: PropertyValue
value: 0.197

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.18

Loudness (dB)
type: PropertyValue
value: -7.354

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Kel Duya
type: MusicAlbum
date published: 2024-08-09
track: Kel Duya
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170973
  explicit: false
  by artist: Harley KSD
  in album: Kel Duya
    type: MusicAlbum
    date published: 2024-08-09
  genre: portuguese hip hop
  isrc code: PT7VY2400001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T15:12:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa7b90e7c7ca7590824d63465c8997688a080a8a329d8750f72e2b0ddd20106a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958169
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958169
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT7VY2400001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T18:15:24Z
  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 0xa7b90e7c7ca7590824d63465c8997688a080a8a329d8750f72e2b0ddd20106a1. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:15:24Z), 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/PT7VY2400001.
    date published: 2026-07-15T18:15:24Z
  audio: Kel Duya
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.93
    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: 0.731
    additional property: Energy
      type: PropertyValue
      value: 0.703
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.403
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.138
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.466
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.391
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Asas pa nu voa
type: MusicAlbum
date published: 2025-01-10

Cartas de Amor
type: MusicAlbum
date published: 2025-02-21

Flashbacks
type: MusicAlbum
date published: 2025-05-09

Certeza
type: MusicAlbum
date published: 2025-09-19