MC Carlos De Sumaré
type: MusicGroup
popularity: 14
followers: 2070
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e12a67215b1dea021a62ea42144a3c1d3e5ed0a32f91927d94b26aa8b1e1154
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6e12a67215b1dea021a62ea42144a3c1d3e5ed0a32f91927d94b26aa8b1e1154","name":"MC Carlos De Sumaré","registered_at":"2026-06-14T21:30:38Z","symbol":"NIM0582327","token_address":"0xf813b3ca457c8484cc8b43da062706206c377bd9","type":"artist","uuid":"a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323"}
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 0x6e12a67215b1dea021a62ea42144a3c1d3e5ed0a32f91927d94b26aa8b1e1154. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323.json and https://artists.proofprofile.net/proofs/artist/a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x6e12a67215b1dea021a62ea42144a3c1d3e5ed0a32f91927d94b26aa8b1e1154","name":"MC Carlos De Sumaré","registered_at":"2026-06-14T21:30:38Z","symbol":"NIM0582327","token_address":"0xf813b3ca457c8484cc8b43da062706206c377bd9","type":"artist","uuid":"a12cd9ce-6eb5-48fb-b3d3-cdfb22c76323"}
album: Vem Mamar Uvinha
  type: MusicAlbum
  date published: 2021-04-07
  track: Vem Mamar Uvinha
    type: MusicRecording
    duration: PT1M59S
    duration ms: 119538
    explicit: false
    by artist: MC Carlos De Sumaré
    in album: Vem Mamar Uvinha
      type: MusicAlbum
      date published: 2021-04-07
    isrc code: QZHZ32106904
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T11:31:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x60e3e44111fbe49c9df8494cb3c29f62087ac18ca4be71c07f8ace32ba0eecd5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32106904
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T12:24:55Z
    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 0x60e3e44111fbe49c9df8494cb3c29f62087ac18ca4be71c07f8ace32ba0eecd5. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZHZ32106904.
      date published: 2026-07-19T12:24:55Z
    audio: Vem Mamar Uvinha
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.059
      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: 0.782
      additional property: Energy
        type: PropertyValue
        value: 0.489
      additional property: Speechiness
        type: PropertyValue
        value: 0.074
      additional property: Acousticness
        type: PropertyValue
        value: 0.115
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.54
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.799
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: O Tatá É Foda
  type: MusicAlbum
  date published: 2021-12-24
  track: O Tatá É Foda
    type: MusicRecording
    duration: PT2M24S
    duration ms: 144000
    explicit: true
    by artist: MC Carlos De Sumaré
    in album: O Tatá É Foda
      type: MusicAlbum
      date published: 2021-12-24
    isrc code: BXKZM2100570
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T13:38:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x723eb072143b51727f5a73e29b856d77adadb2b9e381abb325cbc68bdd4ea4cf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXKZM2100570
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x723eb072143b51727f5a73e29b856d77adadb2b9e381abb325cbc68bdd4ea4cf. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BXKZM2100570.
      date published: 2026-07-05T01:12:41Z
    audio: O Tatá É Foda
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.077
      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: 0.896
      additional property: Energy
        type: PropertyValue
        value: 0.63
      additional property: Speechiness
        type: PropertyValue
        value: 0.234
      additional property: Acousticness
        type: PropertyValue
        value: 0.052
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.131
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.942
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Loudness (dB)
type: PropertyValue
value: -1.135

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major