Mr. C.
type: MusicGroup
popularity: 3
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4d89f85db38d0f0e283559f236686d296e28064aaa83b1002c7db7646c538fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe4d89f85db38d0f0e283559f236686d296e28064aaa83b1002c7db7646c538fc","name":"Mr. C.","registered_at":"2026-06-17T11:35:38Z","symbol":"NIM1382981","token_address":"0xce991ef48fb023c440255dfbe9701b473af147cb","type":"artist","uuid":"83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef"}
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 0xe4d89f85db38d0f0e283559f236686d296e28064aaa83b1002c7db7646c538fc. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef.json and https://artists.proofprofile.net/proofs/artist/83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xe4d89f85db38d0f0e283559f236686d296e28064aaa83b1002c7db7646c538fc","name":"Mr. C.","registered_at":"2026-06-17T11:35:38Z","symbol":"NIM1382981","token_address":"0xce991ef48fb023c440255dfbe9701b473af147cb","type":"artist","uuid":"83c2ed3d-5670-4a7e-a5ad-b8c6c9a151ef"}
album: Casper's Clap Breakdown
  type: MusicAlbum
  date published: 2019-01-14
album: Let's Do It
  type: MusicAlbum
  date published: 2019-05-24
  track: Casper's Pimp Walk Slide
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208561
    explicit: false
    by artist: Mr. C.
    in album: Let's Do It
      type: MusicAlbum
      date published: 2019-05-24
    isrc code: USHM21906664
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:43:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x873e8ed7dfcfe980e1099aa7c6414e5e6bd292b4f06450b3967b225bcab3c09c
    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/USHM21906664
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:55:12Z
    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 0x873e8ed7dfcfe980e1099aa7c6414e5e6bd292b4f06450b3967b225bcab3c09c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:55:12Z), 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/USHM21906664.
      date published: 2026-07-19T23:55:12Z
    audio: Casper's Pimp Walk Slide
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.038
      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: 0.823
      additional property: Energy
        type: PropertyValue
        value: 0.692
      additional property: Speechiness
        type: PropertyValue
        value: 0.163
      additional property: Acousticness
        type: PropertyValue
        value: 0.193
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.864
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.619
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.031
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major