C-DU
type: MusicGroup
genre: drum and bass
popularity: 8
followers: 235
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5eaa1b39f10eb8e08c7989fe6f9b9711ce7353a47654c857f9489ceae61917ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b73319b0-94ff-4e13-be44-07831736506c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b73319b0-94ff-4e13-be44-07831736506c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b73319b0-94ff-4e13-be44-07831736506c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eaa1b39f10eb8e08c7989fe6f9b9711ce7353a47654c857f9489ceae61917ee. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b73319b0-94ff-4e13-be44-07831736506c.json and https://artists.proofprofile.net/proofs/artist/b73319b0-94ff-4e13-be44-07831736506c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
album: Steps
  type: MusicAlbum
  date published: 2022-09-19
album: Side Quest EP
  type: MusicAlbum
  date published: 2022-11-11
album: Real Streets EP
  type: MusicAlbum
  date published: 2023-04-07
album: Something Different EP
  type: MusicAlbum
  date published: 2024-01-12
album: Tin Star EP
  type: MusicAlbum
  date published: 2024-02-23
album: Funk Drums EP
  type: MusicAlbum
  date published: 2024-04-05
album: Uada
  type: MusicAlbum
  date published: 2024-07-19
album: Punk Fun EP
  type: MusicAlbum
  date published: 2024-10-18
album: Cheese Sandwich / Copy Me
  type: MusicAlbum
  date published: 2024-11-22
album: Pepper / Context
  type: MusicAlbum
  date published: 2025-03-07
  track: Pepper
    type: MusicRecording
    duration: PT4M31S
    duration ms: 271724
    explicit: false
    by artist: C-DU
    in album: Pepper / Context
      type: MusicAlbum
      date published: 2025-03-07
    genre: drum and bass
    isrc code: GB8KE2502759
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T10:12:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9eaad90bd8a96f4cc004693ad2e154167187031bd8df3923cb12a08286b0a52d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958146
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958146
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB8KE2502759
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T10:33:22Z
    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 0x9eaad90bd8a96f4cc004693ad2e154167187031bd8df3923cb12a08286b0a52d. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/GB8KE2502759.
      date published: 2026-07-15T10:33:22Z
    audio: Pepper
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.031
      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: 0.869
      additional property: Speechiness
        type: PropertyValue
        value: 0.143
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.769
      additional property: Liveness
        type: PropertyValue
        value: 0.92
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.393
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.146
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Context
    type: MusicRecording
    duration: PT4M31S
    duration ms: 271724
    explicit: false
    by artist: C-DU
    in album: Pepper / Context
      type: MusicAlbum
      date published: 2025-03-07
    genre: drum and bass
    isrc code: GB8KE2502760
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T03:15:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa1620883e4ea6a1217d2547c5cac42b24ee9ae15183ac59346d51fdeda59562d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB8KE2502760
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0xa1620883e4ea6a1217d2547c5cac42b24ee9ae15183ac59346d51fdeda59562d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GB8KE2502760.
      date published: 2026-07-05T10:59:37Z
    audio: Context
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.045
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      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
album: Cookin EP
album: Intentions / Harmonic Vibe
album: No Sense
album: Double Agent EP

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.725

Energy
type: PropertyValue
value: 0.811

Speechiness
type: PropertyValue
value: 0.114

Acousticness
type: PropertyValue
value: 0.009

Instrumentalness
type: PropertyValue
value: 0.774

Liveness
type: PropertyValue
value: 0.143

Valence (Positivity)
type: PropertyValue
value: 0.321

Loudness (dB)
type: PropertyValue
value: -3.034

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Cookin EP
type: MusicAlbum
date published: 2025-04-25

Intentions / Harmonic Vibe
type: MusicAlbum
date published: 2025-05-16

No Sense
type: MusicAlbum
date published: 2025-08-08

Double Agent EP
type: MusicAlbum
date published: 2025-09-26