Jasper Harris
type: MusicGroup
description: Jasper Lee Harris (born 1998 or 1999) is an American music producer and songwriter. He was nominated for a Grammy Award for Best Rap Song for "Family Ties" by Baby Keem and Kendrick Lamar, on which he
popularity: 9
followers: 795
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8acdcc18775058aed131a006664300177a2dd486c56d554f4fbcb1e65041eca9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/733a1e19-2d88-4d9a-9d52-69d9c6b37704.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/733a1e19-2d88-4d9a-9d52-69d9c6b37704.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/733a1e19-2d88-4d9a-9d52-69d9c6b37704
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8acdcc18775058aed131a006664300177a2dd486c56d554f4fbcb1e65041eca9","name":"Jasper Harris","registered_at":"2026-06-17T05:44:48Z","symbol":"NIM1299349","token_address":"0x4e4aaccbc224d35000e74c85f4ff27161de16432","type":"artist","uuid":"733a1e19-2d88-4d9a-9d52-69d9c6b37704"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8acdcc18775058aed131a006664300177a2dd486c56d554f4fbcb1e65041eca9. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/733a1e19-2d88-4d9a-9d52-69d9c6b37704.json and https://artists.proofprofile.net/proofs/artist/733a1e19-2d88-4d9a-9d52-69d9c6b37704.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x8acdcc18775058aed131a006664300177a2dd486c56d554f4fbcb1e65041eca9","name":"Jasper Harris","registered_at":"2026-06-17T05:44:48Z","symbol":"NIM1299349","token_address":"0x4e4aaccbc224d35000e74c85f4ff27161de16432","type":"artist","uuid":"733a1e19-2d88-4d9a-9d52-69d9c6b37704"}
album: Art Of Communication
  type: MusicAlbum
  date published: 2021-10-29
  track: Running In Vain
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240875
    explicit: false
    by artist: Jasper Harris
    in album: Art Of Communication
      type: MusicAlbum
      date published: 2021-10-29
    isrc code: QZAKB2135043
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T14:40:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8b306b88b350614bfc6cdcbc6a60cb9a0e59b3a40e94e8bb6e40a4e61988a32b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZAKB2135043
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b306b88b350614bfc6cdcbc6a60cb9a0e59b3a40e94e8bb6e40a4e61988a32b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZAKB2135043.
      date published: 2026-07-05T18:48:28Z
    audio: Running In Vain
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.008
      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: 0.452
      additional property: Energy
        type: PropertyValue
        value: 0.823
      additional property: Speechiness
        type: PropertyValue
        value: 0.08
      additional property: Acousticness
        type: PropertyValue
        value: 0.025
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.162
      additional property: Liveness
        type: PropertyValue
        value: 0.419
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.046
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.67
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: greedy (Classical Version)
  type: MusicAlbum
  date published: 2025-02-28
  track: greedy (Classical Version)
    type: MusicRecording
    duration: PT4M18S
    duration ms: 258849
    explicit: false
    by artist: Jasper Harris
    in album: greedy (Classical Version)
      type: MusicAlbum
      date published: 2025-02-28
    isrc code: QZPEW2572932
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T11:16:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4f21059bb5ccc29a898804922043d8b711670e70fd10ef866dfbdca5f348b1ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958543
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958543
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPEW2572932
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T11:58:44Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f21059bb5ccc29a898804922043d8b711670e70fd10ef866dfbdca5f348b1ea. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZPEW2572932.
      date published: 2026-07-18T11:58:44Z
    audio: greedy (Classical Version)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.787
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.247
      additional property: Energy
        type: PropertyValue
        value: 0.239
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.768
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.88
      additional property: Liveness
        type: PropertyValue
        value: 0.105
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.185

Loudness (dB)
type: PropertyValue
value: -17.279

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor