O Cancioneiro
type: MusicGroup
popularity: 26
followers: 696
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7429c870ec5c455aeb2067b611d89c8edea1df5ad594ca0c05a4ad5b62f8875
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93b0aea8-ed71-48c1-a421-fd87548ea242.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93b0aea8-ed71-48c1-a421-fd87548ea242.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93b0aea8-ed71-48c1-a421-fd87548ea242
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc7429c870ec5c455aeb2067b611d89c8edea1df5ad594ca0c05a4ad5b62f8875","name":"O Cancioneiro","registered_at":"2026-06-12T04:43:17Z","symbol":"NIM0190289","token_address":"0x2984df67acb23cf98081522a396c26f73d465655","type":"artist","uuid":"93b0aea8-ed71-48c1-a421-fd87548ea242"}
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 0xc7429c870ec5c455aeb2067b611d89c8edea1df5ad594ca0c05a4ad5b62f8875. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93b0aea8-ed71-48c1-a421-fd87548ea242.json and https://artists.proofprofile.net/proofs/artist/93b0aea8-ed71-48c1-a421-fd87548ea242.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xc7429c870ec5c455aeb2067b611d89c8edea1df5ad594ca0c05a4ad5b62f8875","name":"O Cancioneiro","registered_at":"2026-06-12T04:43:17Z","symbol":"NIM0190289","token_address":"0x2984df67acb23cf98081522a396c26f73d465655","type":"artist","uuid":"93b0aea8-ed71-48c1-a421-fd87548ea242"}
album: Herói da Terra: Juscelino O Cancioneiro das Missões
  type: MusicAlbum
  date published: 1982-06-06
album: Juscelino: O Cancioneiro das Missões
  type: MusicAlbum
  date published: 1989-07-26
album: Herança de Trovador
  type: MusicAlbum
  date published: 1993-07-26
album: Tributo À Gildo de Freitas
  type: MusicAlbum
  date published: 1998-10-25
album: De Mala e Cuia - A Voz Que Relembra Gildo de Freitas
  type: MusicAlbum
  date published: 2000-07-21
album: De Mala e Cuia - A Voz Que Relembra Gildo de Freitas
  type: MusicAlbum
  date published: 2000-07-22
album: Eu Não Sou Convencido
  type: MusicAlbum
  date published: 2005-03-10
  track: Lembrança do Passado
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233026
    explicit: false
    by artist: O Cancioneiro
    in album: Eu Não Sou Convencido
      type: MusicAlbum
      date published: 2005-03-10
    isrc code: BROIM0500103
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T15:36:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x238574204313488a03d8d74fd83cb70ce25da75aea33199f6ce56f5da29042ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958749
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958749
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BROIM0500103
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T18:37:28Z
    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 0x238574204313488a03d8d74fd83cb70ce25da75aea33199f6ce56f5da29042ea. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:37:28Z), 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/BROIM0500103.
      date published: 2026-07-19T18:37:28Z
    audio: Lembrança do Passado
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 164.026
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.661
      additional property: Energy
        type: PropertyValue
        value: 0.676
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.4
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.053
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.953
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.491
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: SOU CANCIONEIRO
  type: MusicAlbum
  date published: 2017-03-01
  track: Baile dos Cabeludos
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178693
    explicit: false
    by artist: O Cancioneiro
    in album: SOU CANCIONEIRO
      type: MusicAlbum
      date published: 2017-03-01
    isrc code: BRUSA0401972
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T05:18:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5080132d6734161618fad3618a6da605543c4777dd751d8fc9163545a3cbe70b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958373
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958373
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUSA0401972
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:57:04Z
    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 0x5080132d6734161618fad3618a6da605543c4777dd751d8fc9163545a3cbe70b. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:57:04Z), 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/BRUSA0401972.
      date published: 2026-07-17T08:57:04Z
    audio: Baile dos Cabeludos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.9
      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: 0.923
      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
album: Sou Cancioneiro
album: Estampa do Rio Grande
album: Canta Gildo de Freitas
album: Façanhas de Um Cantador
album: Inspiração Gaúcha
album: Já Fui Novo e Bonito
album: A Saudade Não Pede Licença
album: Respeite o Meio Ambiente
album: História de Família
album: Gaúcho Caprichoso

Energy
type: PropertyValue
value: 0.706

Speechiness
type: PropertyValue
value: 0.061

Acousticness
type: PropertyValue
value: 0.095

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.181

Valence (Positivity)
type: PropertyValue
value: 0.966

Loudness (dB)
type: PropertyValue
value: -8.383

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Sou Cancioneiro
type: MusicAlbum
date published: 2017-05-17

Estampa do Rio Grande
type: MusicAlbum
date published: 2017-12-22

Canta Gildo de Freitas
type: MusicAlbum
date published: 2020-09-01

Façanhas de Um Cantador
type: MusicAlbum
date published: 2020-09-01

Inspiração Gaúcha
type: MusicAlbum
date published: 2020-09-02

Já Fui Novo e Bonito
type: MusicAlbum
date published: 2020-09-02

Estampa do Rio Grande
type: MusicAlbum
date published: 2020-09-02

A Saudade Não Pede Licença
type: MusicAlbum
date published: 2022-05-13
track: Baita Lição
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176230
  explicit: false
  by artist: O Cancioneiro
  in album: A Saudade Não Pede Licença
    type: MusicAlbum
    date published: 2022-05-13
  isrc code: NIKIT2200869
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T18:55:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x16772e0c19df000d0b30bcc8379549f59bb0fc8a7d07436fce50b165dfbd06dd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NIKIT2200869
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0x16772e0c19df000d0b30bcc8379549f59bb0fc8a7d07436fce50b165dfbd06dd. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/NIKIT2200869.
    date published: 2026-07-20T21:15:01Z
  audio: Baita Lição
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.017
    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
      type: PropertyValue
      value: 0.749
    additional property: Energy
      type: PropertyValue
      value: 0.735
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.558
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.19
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.947
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.721
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Respeite o Meio Ambiente
type: MusicAlbum
date published: 2022-08-02

História de Família
type: MusicAlbum
date published: 2025-02-03

História de Família
type: MusicAlbum
date published: 2025-02-03

Gaúcho Caprichoso
type: MusicAlbum
date published: 2025-03-13