Cyro Aguiar
type: MusicGroup
genre: brega
genre: samba
genre: seresta
popularity: 18
followers: 1304
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91a8be53cf39ff0cab105eea46fcac0a169d3f59dd117b00c012e01e43e2cb1e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953610
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953610
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/134d9ce4-4109-4e1d-94bd-c5408faedf2f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/134d9ce4-4109-4e1d-94bd-c5408faedf2f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/134d9ce4-4109-4e1d-94bd-c5408faedf2f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T07:58:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x91a8be53cf39ff0cab105eea46fcac0a169d3f59dd117b00c012e01e43e2cb1e","name":"Cyro Aguiar","registered_at":"2026-06-14T06:31:17Z","symbol":"NIM0367805","token_address":"0x55689b725a2d2d25b051137c7abec92dd3309fe6","type":"artist","uuid":"134d9ce4-4109-4e1d-94bd-c5408faedf2f"}
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 0x91a8be53cf39ff0cab105eea46fcac0a169d3f59dd117b00c012e01e43e2cb1e. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/134d9ce4-4109-4e1d-94bd-c5408faedf2f.json and https://artists.proofprofile.net/proofs/artist/134d9ce4-4109-4e1d-94bd-c5408faedf2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T07:58:09Z
  text: {"copyright_id":"0x91a8be53cf39ff0cab105eea46fcac0a169d3f59dd117b00c012e01e43e2cb1e","name":"Cyro Aguiar","registered_at":"2026-06-14T06:31:17Z","symbol":"NIM0367805","token_address":"0x55689b725a2d2d25b051137c7abec92dd3309fe6","type":"artist","uuid":"134d9ce4-4109-4e1d-94bd-c5408faedf2f"}
album: Cyro Aguiar e Convidados (Ao Vivo)
  type: MusicAlbum
  date published: 1905-06-25
album: 1975
  type: MusicAlbum
  date published: 1975-01-01
album: Proporções
  type: MusicAlbum
  date published: 1977-02-01
album: Aos Músicos Brasileiros
  type: MusicAlbum
  date published: 1979-01-01
album: No Rock Samba
  type: MusicAlbum
  date published: 1993-05-17
album: Vitrola digital
  type: MusicAlbum
  date published: 2001-10-15
album: Cyro Aguiar e Convidados
  type: MusicAlbum
  date published: 2003-10-01
album: 20 Super Sucessos
  type: MusicAlbum
  date published: 2014-09-04
  track: Do You Like Samba
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172535
    explicit: false
    by artist: Cyro Aguiar
    in album: 20 Super Sucessos
      type: MusicAlbum
      date published: 2014-09-04
    genre: brega
    genre: samba
    genre: seresta
    isrc code: BRMAX1401379
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:23:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x36f9d88bf2e75b4e1e847ba82a3b40c3a422bfb652b17a39d75e83e076829cfa
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956578
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956578
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMAX1401379
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T02:23:20Z
    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 0x36f9d88bf2e75b4e1e847ba82a3b40c3a422bfb652b17a39d75e83e076829cfa. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/BRMAX1401379.
      date published: 2026-07-04T02:23:20Z
    audio: Do You Like Samba
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.336
      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
        type: PropertyValue
        value: 0.587
      additional property: Energy
        type: PropertyValue
        value: 0.671
      additional property: Speechiness
        type: PropertyValue
        value: 0.076
      additional property: Acousticness
        type: PropertyValue
        value: 0.403
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.271
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.968
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.82
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Cyro Aguiar ao Vivo (Ao Vivo)
  type: MusicAlbum
  date published: 2014-10-21
album: 50 Anos
  type: MusicAlbum
  date published: 2014-11-11
album: Nunca É Tarde pra Recomeçar
  type: MusicAlbum
  date published: 2016-05-31
album: Só Eu e Você
  type: MusicAlbum
  date published: 2019-01-01
album: No Fiel da Balança
  type: MusicAlbum
  date published: 2020-09-09
album: Me Ilumina
  type: MusicAlbum
  date published: 2020-09-09
album: Ave Maria
  type: MusicAlbum
  date published: 2020-09-09
track: Rei do Maracatu
track: Feche Os Olhos - Ao Vivo

Rei do Maracatu
type: MusicRecording
duration: PT1M59S
duration ms: 119920
explicit: false
by artist: Cyro Aguiar
in album: Mr Bongo Presents Ginga: The Sound of Brazilian Football (Special Edition)
  type: MusicAlbum
  date published: 2014-06-09
isrc code: GBCLQ0700927
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:31:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8884a6fb3f5be1ef8357a9b38c9f2ce90fcbda37fd2ebb114551836d1c88b9b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCLQ0700927
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8884a6fb3f5be1ef8357a9b38c9f2ce90fcbda37fd2ebb114551836d1c88b9b2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBCLQ0700927.
  date published: 2026-07-08T03:22:41Z
audio: Rei do Maracatu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.734
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.541
  additional property: Energy
    type: PropertyValue
    value: 0.924
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.802
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.456
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.943
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Feche Os Olhos - Ao Vivo
type: MusicRecording
duration: PT2M26S
duration ms: 146392
explicit: false
by artist: Cyro Aguiar
in album: Jovem Guarda - 40 Anos Ao Vivo
  type: MusicAlbum
  date published: 2015-06-12
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc864a3f3a4b92a73685c2c03ff3b859913062c74d13f35f080b5ae57e4468d12. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/BRVWD1500109.
  date published: 2026-07-22T14:03:35Z
audio: Feche Os Olhos - Ao Vivo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.09
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.791
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.045
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.94
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.383
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.71
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BRVWD1500109
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959137
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T14:03:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRVWD1500109
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959137
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T14:03:35+00:00
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