Cicero Romão
type: MusicGroup
popularity: 7
followers: 8
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd41c48cf79524ff4843af37a230035872c02b9541c9c25c774161e6c03a0aa51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953871
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953871
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/074c7f64-6136-4361-b12a-de370de90d98.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/074c7f64-6136-4361-b12a-de370de90d98.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/074c7f64-6136-4361-b12a-de370de90d98
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:46:03Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd41c48cf79524ff4843af37a230035872c02b9541c9c25c774161e6c03a0aa51","name":"Cicero Romão","registered_at":"2026-06-15T16:03:48Z","symbol":"NIM0759764","token_address":"0xa4f0f994117928b4bb9ee04e0cb49165102e85bb","type":"artist","uuid":"074c7f64-6136-4361-b12a-de370de90d98"}
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 0xd41c48cf79524ff4843af37a230035872c02b9541c9c25c774161e6c03a0aa51. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/074c7f64-6136-4361-b12a-de370de90d98.json and https://artists.proofprofile.net/proofs/artist/074c7f64-6136-4361-b12a-de370de90d98.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xd41c48cf79524ff4843af37a230035872c02b9541c9c25c774161e6c03a0aa51","name":"Cicero Romão","registered_at":"2026-06-15T16:03:48Z","symbol":"NIM0759764","token_address":"0xa4f0f994117928b4bb9ee04e0cb49165102e85bb","type":"artist","uuid":"074c7f64-6136-4361-b12a-de370de90d98"}
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  type: MusicAlbum
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album: O Seu Amor É Meu
  type: MusicAlbum
  date published: 2024-07-14
album: A Descidinha do Romão
  type: MusicAlbum
  date published: 2024-07-15
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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album: Praia de Tambau
  type: MusicAlbum
  date published: 2024-10-07
album: Foi Sem Querer
  type: MusicAlbum
  date published: 2024-10-16
album: A Taradinha do Romão
  type: MusicAlbum
  date published: 2024-10-22
album: Melo da Buchechinha
  type: MusicAlbum
  date published: 2024-10-23
album: Nas Ondas do Rádio
  type: MusicAlbum
  date published: 2024-10-23
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  type: MusicAlbum
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  type: MusicAlbum
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album: Ta Vendo Aquele Moço na Porta do Bar
  type: MusicAlbum
  date published: 2025-01-16
  track: Ta Vendo Aquele Moço na Porta do Bar
    type: MusicRecording
    duration: PT3M31S
    duration ms: 211080
    explicit: false
    by artist: Cicero Romão
    in album: Ta Vendo Aquele Moço na Porta do Bar
      type: MusicAlbum
      date published: 2025-01-16
    isrc code: US7VG2558274
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T12:16:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x32705ccda8d679fcf11ff6bdfd13dad4ffdc16c16d9fdba7a61cfd80ac1d38ec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2558274
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x32705ccda8d679fcf11ff6bdfd13dad4ffdc16c16d9fdba7a61cfd80ac1d38ec. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US7VG2558274.
      date published: 2026-07-05T18:48:28Z
    audio: Ta Vendo Aquele Moço na Porta do Bar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 184.017
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      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

Danceability
type: PropertyValue
value: 0.74

Energy
type: PropertyValue
value: 0.757

Speechiness
type: PropertyValue
value: 0.076

Acousticness
type: PropertyValue
value: 0.528

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.07

Valence (Positivity)
type: PropertyValue
value: 0.968

Loudness (dB)
type: PropertyValue
value: -11.55

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major