Moacyr Luz e Samba do Trabalhador
type: MusicGroup
genre: samba
popularity: 32
followers: 22024
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9656274892a90eaab758693a6451960c66aa6aeb5c70b38830a88a3b913b3e8e
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/f196a089-1cc9-4cb3-ae79-c97f2c52f81c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f196a089-1cc9-4cb3-ae79-c97f2c52f81c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f196a089-1cc9-4cb3-ae79-c97f2c52f81c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x9656274892a90eaab758693a6451960c66aa6aeb5c70b38830a88a3b913b3e8e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f196a089-1cc9-4cb3-ae79-c97f2c52f81c.json and https://artists.proofprofile.net/proofs/artist/f196a089-1cc9-4cb3-ae79-c97f2c52f81c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9656274892a90eaab758693a6451960c66aa6aeb5c70b38830a88a3b913b3e8e","name":"Moacyr Luz e Samba do Trabalhador","registered_at":"2026-06-12T13:25:22Z","symbol":"NIM0311041","token_address":"0xb199248053b8ae85f34582ff312a85ee93d24713","type":"artist","uuid":"f196a089-1cc9-4cb3-ae79-c97f2c52f81c"}
album: Ao Vivo no Renascença Clube
  type: MusicAlbum
  date published: 2013-03-25
album: Ao Vivo no Renascença Clube
  type: MusicAlbum
  date published: 2013-03-25
album: Moacyr Luz e Samba do Trabalhador - 10 Anos e Outros Sambas
  type: MusicAlbum
  date published: 2015-05-01
  track: A Reza do Samba
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215109
    explicit: false
    by artist: Moacyr Luz e Samba do Trabalhador
    in album: Moacyr Luz e Samba do Trabalhador - 10 Anos e Outros Sambas
      type: MusicAlbum
      date published: 2015-05-01
    genre: samba
    isrc code: BXRMZ1500001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: OTSHash
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/953520
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRMZ1500001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    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 0xf9ee4e067051fc3a5ad38e3f4236d5593ee28ad0b3c907dbd084fc4582e4174f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BXRMZ1500001.
      date published: 2026-06-13T13:32:09Z
    audio: A Reza do Samba
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.106
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.703
      additional property: Energy
        type: PropertyValue
        value: 0.703
      additional property: Speechiness
        type: PropertyValue
        value: 0.202
      additional property: Acousticness
        type: PropertyValue
        value: 0.605
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.324
      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.574
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Toda a Hora
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206425
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    by artist: Moacyr Luz e Samba do Trabalhador
    in album: Moacyr Luz e Samba do Trabalhador - 10 Anos e Outros Sambas
      type: MusicAlbum
      date published: 2015-05-01
    genre: samba
    isrc code: BXRMZ1500010
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T08:11:30+00:00
    additional property: CopyrightChainExplorerURL
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      value: https://explorer.copyrightchains.com/tx/0xc61675411ac37035da61a7d452edf978c2771d8861752d76b7599c18d5486882
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953528
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/953528
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXRMZ1500010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    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 0xc61675411ac37035da61a7d452edf978c2771d8861752d76b7599c18d5486882. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BXRMZ1500010.
      date published: 2026-06-13T15:41:10Z
    audio: Toda a Hora
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.551
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.679
      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.44
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Prá Que Pedir Perdão (Ao Vivo)
album: Cotidiano (Ao Vivo)
album: Amor, Agora Não (Ao Vivo)
album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
album: Sonho Estranho
album: Fazendo Samba
album: Vai Clarear

Liveness
type: PropertyValue
value: 0.107

Valence (Positivity)
type: PropertyValue
value: 0.556

Loudness (dB)
type: PropertyValue
value: -11.56

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Prá Que Pedir Perdão (Ao Vivo)
type: MusicAlbum
date published: 2017-03-31

Cotidiano (Ao Vivo)
type: MusicAlbum
date published: 2017-03-31

Amor, Agora Não (Ao Vivo)
type: MusicAlbum
date published: 2017-03-31

Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
type: MusicAlbum
date published: 2017-03-31
track: A Reza Do Samba - Ao Vivo No Bar Pirajá
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220934
  explicit: false
  by artist: Moacyr Luz e Samba do Trabalhador
  in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
    type: MusicAlbum
    date published: 2017-03-31
  genre: samba
  isrc code: BRUM71701345
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T00:37:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x299ca2cdb6ab129a24449b3fa13a5a4f58157ddbb73029a45a9d0b800865e1d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701345
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0x299ca2cdb6ab129a24449b3fa13a5a4f58157ddbb73029a45a9d0b800865e1d2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRUM71701345.
    date published: 2026-06-13T15:41:10Z
  audio: A Reza Do Samba - Ao Vivo No Bar Pirajá
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.519
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.453
    additional property: Energy
      type: PropertyValue
      value: 0.794
    additional property: Speechiness
      type: PropertyValue
      value: 0.342
    additional property: Acousticness
      type: PropertyValue
      value: 0.919
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.972
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.838
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.145
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Meu Canto É Pra Valer - Ao Vivo No Bar Pirajá
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230345
  explicit: false
  by artist: Moacyr Luz e Samba do Trabalhador
  in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
    type: MusicAlbum
    date published: 2017-03-31
  genre: samba
  isrc code: BRUM71701346
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T17:36:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c3a0ab8eec4b0cd4b1c2b51e216ae49071198fa53f772fc63e13f62ce33a36d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701346
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 0x2c3a0ab8eec4b0cd4b1c2b51e216ae49071198fa53f772fc63e13f62ce33a36d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRUM71701346.
    date published: 2026-06-13T13:32:09Z
  audio: Meu Canto É Pra Valer - Ao Vivo No Bar Pirajá
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.501
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.732
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Cabô, Meu Pai - Ao Vivo No Bar Pirajá
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254612
  explicit: false
  by artist: Moacyr Luz e Samba do Trabalhador
  in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
    type: MusicAlbum
    date published: 2017-03-31
  genre: samba
  isrc code: BRUM71701347
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T12:11:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xebc7fb4b5c9b45f9212ecd7fc8c40e69b1633281e38679c90e606f492d9e89be
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953536
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Cabô, Meu Pai - Ao Vivo No Bar Pirajá
track: Estranhou O Quê? - Ao Vivo No Bar Pirajá
track: Vida Da Minha Vida - Ao Vivo No Bar Pirajá
track: É Lenha - Ao Vivo No Bar Pirajá
track: Saudades Da Guanabara - Ao Vivo No Bar Pirajá
track: Mandingueiro - Ao Vivo No Bar Pirajá
track: Anjo Da Velha Guarda - Ao Vivo No Bar Pirajá
track: Amor, O Dono Do Meu Caminho - Ao Vivo No Bar Pirajá
track: Som De Prata - Ao Vivo No Bar Pirajá
track: Zuela De Oxum - Ao Vivo No Bar Pirajá
track: Clareou - Ao Vivo No Bar Pirajá

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701347

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc7fb4b5c9b45f9212ecd7fc8c40e69b1633281e38679c90e606f492d9e89be. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BRUM71701347.
date published: 2026-06-13T17:25:41Z

Cabô, Meu Pai - Ao Vivo No Bar Pirajá
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 129.293
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.423
additional property: Energy
  type: PropertyValue
  value: 0.753
additional property: Speechiness
  type: PropertyValue
  value: 0.119
additional property: Acousticness
  type: PropertyValue
  value: 0.878
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.758
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.631
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.682
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Estranhou O Quê? - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT4M25S
duration ms: 265308
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701348
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-07T20:01:40+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701348
additional property: OTSTimestamp
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  value: 2026-06-13T12:53:06Z
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 0x7a8bdcf187d508771866f9daa834fa87d98bfe84691f5ac583e1c7c5667b8312. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BRUM71701348.
  date published: 2026-06-13T12:53:06Z
audio: Estranhou O Quê? - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.183
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.678
  additional property: Energy
    type: PropertyValue
    value: 0.823
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.722
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.395
  additional property: Liveness
    type: PropertyValue
    value: 0.761
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.684
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.044
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vida Da Minha Vida - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT3M25S
duration ms: 205314
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701349
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T00:35:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x391742cc08b4fa1999ebfc544dcab03155ae23b77ea4e22950fdf756ca5940ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701349
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x391742cc08b4fa1999ebfc544dcab03155ae23b77ea4e22950fdf756ca5940ae. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRUM71701349.
  date published: 2026-06-13T15:41:10Z
audio: Vida Da Minha Vida - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.927
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.454
  additional property: Energy
    type: PropertyValue
    value: 0.739
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.084
  additional property: Liveness
    type: PropertyValue
    value: 0.708
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.786
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.576
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

É Lenha - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT2M40S
duration ms: 160860
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701350
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:17:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5b27e197e8b7db4ce680d809017296e022f81f0b2b2be203862f606ac8b45c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701350
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0xe5b27e197e8b7db4ce680d809017296e022f81f0b2b2be203862f606ac8b45c1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRUM71701350.
  date published: 2026-06-13T13:32:09Z
audio: É Lenha - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.881
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.792
  additional property: Speechiness
    type: PropertyValue
    value: 0.133
  additional property: Acousticness
    type: PropertyValue
    value: 0.781
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.759
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.96
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.373
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Saudades Da Guanabara - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT4M56S
duration ms: 296539
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701351
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:59:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8eefa5075ae294e40482cc0f89d0c046fe3e385b38b7136ee8d0999de2465a35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701351
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x8eefa5075ae294e40482cc0f89d0c046fe3e385b38b7136ee8d0999de2465a35. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRUM71701351.
  date published: 2026-06-13T15:41:10Z
audio: Saudades Da Guanabara - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.397
  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: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.713
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.798
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.734
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.65
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.617
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mandingueiro - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT4M9S
duration ms: 249472
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701352
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:40:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d7293fa756443a83324eac85e07fc04c69095ebaa199baddae4ea9643947bf4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701352
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x7d7293fa756443a83324eac85e07fc04c69095ebaa199baddae4ea9643947bf4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRUM71701352.
  date published: 2026-06-13T13:32:09Z
audio: Mandingueiro - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.397
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.832
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.73
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.692
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.791
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.971
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Anjo Da Velha Guarda - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT4M2S
duration ms: 242070
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T05:05:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4a26666da3f541f3bb31343fe1875bd2e8c3ec65a52d68399d4c6733cce1327
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701353
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xf4a26666da3f541f3bb31343fe1875bd2e8c3ec65a52d68399d4c6733cce1327. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRUM71701353.
  date published: 2026-06-13T15:41:10Z
audio: Anjo Da Velha Guarda - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.571
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.611
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.841
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.712
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.546
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.948
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Amor, O Dono Do Meu Caminho - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT3M11S
duration ms: 191386
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:37:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4539eea1a196a9a9c28a092b98196202c5c53a38f0fdc9a4bf4a66c464cf1f33
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x4539eea1a196a9a9c28a092b98196202c5c53a38f0fdc9a4bf4a66c464cf1f33. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BRUM71701354.
  date published: 2026-06-13T17:25:41Z
audio: Amor, O Dono Do Meu Caminho - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.308
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.792
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.688
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
    value: 0.693
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.572
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.098
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Som De Prata - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT4M33S
duration ms: 273985
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701356
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T20:15:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35655327b5caa91e2608f7f62d3fb21b0d256f1d7e339dcb4328e9e3cfef62a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701356
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x35655327b5caa91e2608f7f62d3fb21b0d256f1d7e339dcb4328e9e3cfef62a2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRUM71701356.
  date published: 2026-06-13T13:32:09Z
audio: Som De Prata - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 106.28
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.511
  additional property: Energy
    type: PropertyValue
    value: 0.686
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.842
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.688
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.789
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.886
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Zuela De Oxum - Ao Vivo No Bar Pirajá
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duration: PT4M58S
duration ms: 298319
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701357
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa676c5938eef023bc88f752da10ad7222c5dfd273ad4311937e4389be057cb87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701357
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xa676c5938eef023bc88f752da10ad7222c5dfd273ad4311937e4389be057cb87. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRUM71701357.
  date published: 2026-06-13T15:41:10Z
audio: Zuela De Oxum - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 153.106
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.686
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.875
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.699
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.485
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.078
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Clareou - Ao Vivo No Bar Pirajá
type: MusicRecording
duration: PT3M18S
duration ms: 198556
explicit: false
by artist: Moacyr Luz e Samba do Trabalhador
in album: Samba Do Trabalhador (Ao Vivo No Bar Pirajá)
  type: MusicAlbum
  date published: 2017-03-31
genre: samba
isrc code: BRUM71701358
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T17:48:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb2caa44bf5109625e8a7d8056f336203c31de39f035e32e654948f16e026091
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRUM71701358
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0xcb2caa44bf5109625e8a7d8056f336203c31de39f035e32e654948f16e026091. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRUM71701358.
  date published: 2026-06-13T13:32:09Z
audio: Clareou - Ao Vivo No Bar Pirajá
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.231
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.628
  additional property: Energy
    type: PropertyValue
    value: 0.729
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.816
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.191
  additional property: Liveness
    type: PropertyValue
    value: 0.654
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.521
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.042
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonho Estranho
type: MusicAlbum
date published: 2019-08-09

Fazendo Samba
type: MusicAlbum
date published: 2020-01-10
track: Reza Pra Agradecer
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181080
  explicit: false
  by artist: Moacyr Luz e Samba do Trabalhador
  in album: Fazendo Samba
    type: MusicAlbum
    date published: 2020-01-10
  genre: samba
  isrc code: BRPUI1900343
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T17:57:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c2ee3287231d4a4b4fa2db9f1d3c074eeea53e32eb3968761bf5bebd4e69511
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI1900343
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 0x9c2ee3287231d4a4b4fa2db9f1d3c074eeea53e32eb3968761bf5bebd4e69511. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRPUI1900343.
    date published: 2026-06-13T13:32:09Z
  audio: Reza Pra Agradecer
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.336
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.613
    additional property: Energy
      type: PropertyValue
      value: 0.346
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.799
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.456
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.704
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vai Clarear
type: MusicAlbum
date published: 2025-10-30