Cool D
type: MusicGroup
popularity: 14
followers: 360
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d4d4423d0fb099866ad3a505ec466143503b88fb57bdbdfd8ec9c00ede128a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953727
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953727
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/923aa786-0ed0-4071-965b-8cca6919c364.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/923aa786-0ed0-4071-965b-8cca6919c364.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/923aa786-0ed0-4071-965b-8cca6919c364
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T02:33:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9d4d4423d0fb099866ad3a505ec466143503b88fb57bdbdfd8ec9c00ede128a5","name":"Cool D","registered_at":"2026-06-14T19:52:30Z","symbol":"NIM0558904","token_address":"0x86deb976d23550d537c1905c84ce4371aa308316","type":"artist","uuid":"923aa786-0ed0-4071-965b-8cca6919c364"}
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 0x9d4d4423d0fb099866ad3a505ec466143503b88fb57bdbdfd8ec9c00ede128a5. Chain 2 (Bitcoin): anchored in block 953727 (2026-06-15T02:33:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/923aa786-0ed0-4071-965b-8cca6919c364.json and https://artists.proofprofile.net/proofs/artist/923aa786-0ed0-4071-965b-8cca6919c364.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T02:33:01Z
  text: {"copyright_id":"0x9d4d4423d0fb099866ad3a505ec466143503b88fb57bdbdfd8ec9c00ede128a5","name":"Cool D","registered_at":"2026-06-14T19:52:30Z","symbol":"NIM0558904","token_address":"0x86deb976d23550d537c1905c84ce4371aa308316","type":"artist","uuid":"923aa786-0ed0-4071-965b-8cca6919c364"}
album: The Brazilian Side
  type: MusicAlbum
  date published: 2010-09-14
album: My Sincere Appreciation Volume 24
  type: MusicAlbum
  date published: 2016-03-04
album: My Sincere Appreciation Volume 16
  type: MusicAlbum
  date published: 2016-03-25
album: Funny Bone, Vol. 1
  type: MusicAlbum
  date published: 2016-08-27
track: Miks alles nüüd
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215306
  explicit: false
  by artist: Merlyn Uusküla
  by artist: Cool D
  in album: Ihuüksi
    type: MusicAlbum
    date published: 2010-10-22
  genre: estonian-hip-hop
  genre: estonian-pop
  isrc code: EEIA11000004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T08:06:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x90e6dcbcc29ec364a86c8a1383cc426a84a777d32ed0dd8b05e6142ca5a02b4b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EEIA11000004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e6dcbcc29ec364a86c8a1383cc426a84a777d32ed0dd8b05e6142ca5a02b4b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/EEIA11000004.
    date published: 2026-07-02T03:30:09Z
  audio: Miks alles nüüd
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.004
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.918
    additional property: Speechiness
      type: PropertyValue
      value: 0.113
    additional property: Acousticness
      type: PropertyValue
      value: 0.141
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.386
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.851
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major