Tchapo Chelas
type: MusicGroup
genre: portuguese hip hop
popularity: 4
followers: 782
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfcf12e27c8e3435ad7feb8105848cf28eb864a12d92f9929226ad54aa48ffe7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8724581-12b5-44bd-913f-68b0859bc354.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8724581-12b5-44bd-913f-68b0859bc354.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e8724581-12b5-44bd-913f-68b0859bc354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdfcf12e27c8e3435ad7feb8105848cf28eb864a12d92f9929226ad54aa48ffe7","name":"Tchapo Chelas","registered_at":"2026-06-21T09:36:03Z","symbol":"NIM1889388","token_address":"0x13905442c3539b52df0e0e69197cf7adbacb4c08","type":"artist","uuid":"e8724581-12b5-44bd-913f-68b0859bc354"}
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 0xdfcf12e27c8e3435ad7feb8105848cf28eb864a12d92f9929226ad54aa48ffe7. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8724581-12b5-44bd-913f-68b0859bc354.json and https://artists.proofprofile.net/proofs/artist/e8724581-12b5-44bd-913f-68b0859bc354.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xdfcf12e27c8e3435ad7feb8105848cf28eb864a12d92f9929226ad54aa48ffe7","name":"Tchapo Chelas","registered_at":"2026-06-21T09:36:03Z","symbol":"NIM1889388","token_address":"0x13905442c3539b52df0e0e69197cf7adbacb4c08","type":"artist","uuid":"e8724581-12b5-44bd-913f-68b0859bc354"}
album: turbuléncia
  type: MusicAlbum
  date published: 2020-07-19
album: Turbuléncia cd2
  type: MusicAlbum
  date published: 2020-11-03
  track: Idade dos sonhos
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264680
    explicit: false
    by artist: Tchapo Chelas
    in album: Turbuléncia cd2
      type: MusicAlbum
      date published: 2020-11-03
    genre: portuguese hip hop
    isrc code: QZNWQ2076440
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T05:59:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6afb9dfec7fff584bdc12984589880102a907c4654fcc6621990d8e3ae41c69a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958680
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958680
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2076440
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T06:04:14Z
    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 0x6afb9dfec7fff584bdc12984589880102a907c4654fcc6621990d8e3ae41c69a. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/QZNWQ2076440.
      date published: 2026-07-19T06:04:14Z
    audio: Idade dos sonhos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.161
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.671
      additional property: Energy
        type: PropertyValue
        value: 0.763
      additional property: Speechiness
        type: PropertyValue
        value: 0.393
      additional property: Acousticness
        type: PropertyValue
        value: 0.664
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.767
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.54
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major