Irmãos Cardoso
type: MusicGroup
popularity: 10
followers: 1191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd87c4e7b208c33b60be95cfb7ce050a6d7649893e509b7e20483b68dd752964d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953996
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953996
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/307e4099-5d22-4d5c-8586-0ff97aa44f1f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/307e4099-5d22-4d5c-8586-0ff97aa44f1f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/307e4099-5d22-4d5c-8586-0ff97aa44f1f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:04:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd87c4e7b208c33b60be95cfb7ce050a6d7649893e509b7e20483b68dd752964d","name":"Irmãos Cardoso","registered_at":"2026-06-16T06:26:56Z","symbol":"NIM0965792","token_address":"0xd2b91b3caa1d5d02df9386ef492b3011441b390e","type":"artist","uuid":"307e4099-5d22-4d5c-8586-0ff97aa44f1f"}
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 0xd87c4e7b208c33b60be95cfb7ce050a6d7649893e509b7e20483b68dd752964d. Chain 2 (Bitcoin): anchored in block 953996 (2026-06-16T20:04:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/307e4099-5d22-4d5c-8586-0ff97aa44f1f.json and https://artists.proofprofile.net/proofs/artist/307e4099-5d22-4d5c-8586-0ff97aa44f1f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:04:35Z
  text: {"copyright_id":"0xd87c4e7b208c33b60be95cfb7ce050a6d7649893e509b7e20483b68dd752964d","name":"Irmãos Cardoso","registered_at":"2026-06-16T06:26:56Z","symbol":"NIM0965792","token_address":"0xd2b91b3caa1d5d02df9386ef492b3011441b390e","type":"artist","uuid":"307e4099-5d22-4d5c-8586-0ff97aa44f1f"}
album: Vamos Partir Tudo
  type: MusicAlbum
  date published: 2010-01-01
album: Sra Aparecida
  type: MusicAlbum
  date published: 2012
album: Sra Aparecida
  type: MusicAlbum
  date published: 2012-01-01
album: Vamos Partir Tudo
  type: MusicAlbum
  date published: 2014-09-07
album: Fim de Semana Chegou
  type: MusicAlbum
  date published: 2018-07-20
album: Fim de Semana Chegou
  type: MusicAlbum
  date published: 2018-07-20
  track: Fim / De / Semana Chegou
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150512
    explicit: false
    by artist: Irmãos Cardoso
    in album: Fim de Semana Chegou
      type: MusicAlbum
      date published: 2018-07-20
    isrc code: FR59R1861694
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T21:22:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfbde3b3e8fb9ebed88712536c7107a47d870141403e1cc35395229e1a39ee714
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958785
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958785
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1861694
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T00:24:17Z
    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 0xfbde3b3e8fb9ebed88712536c7107a47d870141403e1cc35395229e1a39ee714. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-20T00:24:17Z), 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/FR59R1861694.
      date published: 2026-07-20T00:24:17Z
    audio: Fim / De / Semana Chegou
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.886
      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: 0.732
      additional property: Energy
        type: PropertyValue
        value: 0.955
      additional property: Speechiness
        type: PropertyValue
        value: 0.206
      additional property: Acousticness
        type: PropertyValue
        value: 0.094
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.387
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.707
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.617
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Pepino a Toda a Hora
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199263
    explicit: false
    by artist: Irmãos Cardoso
    in album: Fim de Semana Chegou
      type: MusicAlbum
      date published: 2018-07-20
    isrc code: FR59R1861695
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T20:22:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfc2aaccd39320c6800b521470c30dab7120e4658697e327aefa655888fe773a7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958060
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958060
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1861695
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T20:39:42Z
    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 0xfc2aaccd39320c6800b521470c30dab7120e4658697e327aefa655888fe773a7. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/FR59R1861695.
      date published: 2026-07-14T20:39:42Z
    audio: Pepino a Toda a Hora
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 142.952
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.744
      additional property: Energy
        type: PropertyValue
        value: 0.938
      additional property: Speechiness
        type: PropertyValue
        value: 0.068
      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
album: Olha os Cardoso de Novo
album: Irmãos Cardoso
album: Casamento É Prisão
album: Deixa o Povo Dançar
album: Deixa O Povo Dançar
album: O Mestre do Bloco
album: O Mestre Do Bloco
album: Mulher Tens Que Mudar
album: De Malas À Porta
album: De Malas à Porta
album: Camisa De Flanela
album: Camisa de Flanela

Acousticness
type: PropertyValue
value: 0.088

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.474

Valence (Positivity)
type: PropertyValue
value: 0.964

Loudness (dB)
type: PropertyValue
value: -2.612

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Olha os Cardoso de Novo
type: MusicAlbum
date published: 2019-07-12

Olha os Cardoso de Novo
type: MusicAlbum
date published: 2019-07-12

Irmãos Cardoso
type: MusicAlbum
date published: 2020-07-01

Casamento É Prisão
type: MusicAlbum
date published: 2021-07-01

Deixa o Povo Dançar
type: MusicAlbum
date published: 2022-04-01

Deixa O Povo Dançar
type: MusicAlbum
date published: 2022-04-01
track: Deixa O Povo Dançar
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170345
  explicit: false
  by artist: Irmãos Cardoso
  in album: Deixa O Povo Dançar
    type: MusicAlbum
    date published: 2022-04-01
  isrc code: PT2EO2200215
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:45:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e543b11dd9abe8ffe13c2681bbfae912731fdaec249c1575e15e7850bab331b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958060
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958060
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT2EO2200215
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T20:39:42Z
  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 0x9e543b11dd9abe8ffe13c2681bbfae912731fdaec249c1575e15e7850bab331b. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/PT2EO2200215.
    date published: 2026-07-14T20:39:42Z
  audio: Deixa O Povo Dançar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.976
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.741
    additional property: Energy
      type: PropertyValue
      value: 0.94
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.023
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.043
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.949
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.706
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

O Mestre do Bloco
type: MusicAlbum
date published: 2023-04-01

O Mestre Do Bloco
type: MusicAlbum
date published: 2023-04-01

Mulher Tens Que Mudar
type: MusicAlbum
date published: 2024-04-09

Mulher Tens Que Mudar
type: MusicAlbum
date published: 2024-04-09

De Malas À Porta
type: MusicAlbum
date published: 2024-10-09

De Malas à Porta
type: MusicAlbum
date published: 2024-10-09

Camisa De Flanela
type: MusicAlbum
date published: 2025-03-10

Camisa de Flanela
type: MusicAlbum
date published: 2025-03-10