Quarpreto
type: MusicGroup
genre: pagode
genre: samba
popularity: 16
followers: 7671
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f77b95b7a14bf124f4efa574a008bf79ab08391c2fc0a9c509c39bc52f8dce6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953687
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953687
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/69638dae-71c6-4399-8e69-1fd3bbdf71ea.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/69638dae-71c6-4399-8e69-1fd3bbdf71ea.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/69638dae-71c6-4399-8e69-1fd3bbdf71ea
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T20:19:15Z
additional property: OTSCanonicalRecord
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 0x8f77b95b7a14bf124f4efa574a008bf79ab08391c2fc0a9c509c39bc52f8dce6. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69638dae-71c6-4399-8e69-1fd3bbdf71ea.json and https://artists.proofprofile.net/proofs/artist/69638dae-71c6-4399-8e69-1fd3bbdf71ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T20:19:15Z
album: Por Onde Anda
  type: MusicAlbum
  date published: 2016-09-05
album: Roda de Samba Quarpreto Numa Só Voz (Ao Vivo)
  type: MusicAlbum
  date published: 2019-09-16
  track: 16 Toneladas / Falador Passa Mal / Bebete / O Telefone / Balança Pema / Kid Brilhantina - Ao Vivo
    type: MusicRecording
    duration: PT9M28S
    duration ms: 568404
    explicit: false
    by artist: Quarpreto
    in album: Roda de Samba Quarpreto Numa Só Voz (Ao Vivo)
      type: MusicAlbum
      date published: 2019-09-16
    genre: pagode
    genre: samba
    isrc code: QZHZ31978205
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T16:57:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf65f1c1c4faa7c07a526284206dd2b9e7a9042a422d8b28afa481d2fcb034dfc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957888
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957888
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ31978205
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T17:43:59Z
    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 0xf65f1c1c4faa7c07a526284206dd2b9e7a9042a422d8b28afa481d2fcb034dfc. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZHZ31978205.
      date published: 2026-07-13T17:43:59Z
    audio: 16 Toneladas / Falador Passa Mal / Bebete / O Telefone / Balança Pema / Kid Brilhantina - Ao Vivo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.081
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.47
      additional property: Energy
        type: PropertyValue
        value: 0.785
      additional property: Speechiness
        type: PropertyValue
        value: 0.084
      additional property: Acousticness
        type: PropertyValue
        value: 0.309
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.342
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.686
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.499
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Quarpreto Ao Vivo
  type: MusicAlbum
  date published: 2019-12-06
album: Quarpreto Live em Casa (Cover Ao Vivo)
  type: MusicAlbum
  date published: 2021-07-08
album: Ta Indo Eu To Voltando
  type: MusicAlbum
  date published: 2022-02-04
album: Ta Indo Eu To Voltando
  type: MusicAlbum
  date published: 2022-02-04
album: Ta Indo Eu To Voltando
  type: MusicAlbum
  date published: 2022-02-04
album: Quarpreto 8 Anos
  type: MusicAlbum
  date published: 2023-05-05
album: Vai Ficar Tudo Bem
  type: MusicAlbum
  date published: 2023-05-19
album: No Quintal de Casa, Vol. 1 (Ao Vivo)
  type: MusicAlbum
  date published: 2023-07-21
album: Ive Brussel / Os Alquimistas Estão Chegando / Cadê Tereza / Do Lado Direito da Rua Direita / Além do Horizonte (Cover)
  type: MusicAlbum
  date published: 2024-05-03
album: Isso É Fundo de Quintal / Só Felicidade / Sedução (Ao Vivo)
  type: MusicAlbum
  date published: 2024-05-10
album: Dona Maria / Mais Além (Ao Vivo)
  type: MusicAlbum
  date published: 2024-05-17
album: Que Louco / Me Sobe Um Calor (Ao Vivo)
  type: MusicAlbum
  date published: 2024-06-21
album: Farol das Estrelas / Sinais / Me Assume ou Me Esquece (Ao Vivo)
  type: MusicAlbum
  date published: 2024-06-28
album: Quando o Sol Nascer / Pedaços / Pra Gente Se Encontrar de Novo / Velho Amor (Ao Vivo)
  type: MusicAlbum
  date published: 2024-07-05
album: Não Arruma Nada (Ao Vivo)
  type: MusicAlbum
  date published: 2024-07-12
album: Boa Sorte / Engano / Deixa Eu Te Fazer Feliz (Ao Vivo)
  type: MusicAlbum
  date published: 2024-07-19
album: Desenrola (Ao Vivo)
  type: MusicAlbum
  date published: 2024-07-26
album: Teu Amor Vicia (Ao Vivo)
  type: MusicAlbum
  date published: 2024-10-25
album: Loucura do Seu Coração / Intriga da Oposição / Quando a Gente Ama (Ao Vivo)
  type: MusicAlbum
  date published: 2024-11-01
album: Céu Azul / A Amizade É Tudo / Simples Desejo (Ao Vivo)
  type: MusicAlbum
  date published: 2024-11-08
album: Mundo de Oz / Mega Star / Primeiro Beijo (Ao Vivo)
  type: MusicAlbum
  date published: 2025-09-12
album: Quero Ficar Numa Boa / Quero Te Namorar (Ao Vivo)
  type: MusicAlbum
  date published: 2025-09-26