Grupo Sambaí
type: MusicGroup
genre: pagode
genre: samba
popularity: 21
followers: 56071
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1acbec855543d350652a9cfd571dfdf73e929899f2b7fc5b1eca04f5190e8abe
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/9c4a0148-2c35-4304-8fbb-a95b4ccb0b70.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9c4a0148-2c35-4304-8fbb-a95b4ccb0b70.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9c4a0148-2c35-4304-8fbb-a95b4ccb0b70
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1acbec855543d350652a9cfd571dfdf73e929899f2b7fc5b1eca04f5190e8abe","name":"Grupo Sambaí","registered_at":"2026-06-12T05:35:49Z","symbol":"NIM0202371","token_address":"0x3072c4220f386723d277ad72f618ea06b9253d46","type":"artist","uuid":"9c4a0148-2c35-4304-8fbb-a95b4ccb0b70"}
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 0x1acbec855543d350652a9cfd571dfdf73e929899f2b7fc5b1eca04f5190e8abe. 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/9c4a0148-2c35-4304-8fbb-a95b4ccb0b70.json and https://artists.proofprofile.net/proofs/artist/9c4a0148-2c35-4304-8fbb-a95b4ccb0b70.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x1acbec855543d350652a9cfd571dfdf73e929899f2b7fc5b1eca04f5190e8abe","name":"Grupo Sambaí","registered_at":"2026-06-12T05:35:49Z","symbol":"NIM0202371","token_address":"0x3072c4220f386723d277ad72f618ea06b9253d46","type":"artist","uuid":"9c4a0148-2c35-4304-8fbb-a95b4ccb0b70"}
album: Sambaí Falando Com os Astros (Ao Vivo)
  type: MusicAlbum
  date published: 2007-05-08
  track: Falando Com os Astros - Ao Vivo
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202053
    explicit: false
    by artist: Grupo Sambaí
    in album: Sambaí Falando Com os Astros (Ao Vivo)
      type: MusicAlbum
      date published: 2007-05-08
    genre: pagode
    genre: samba
    isrc code: QZHZ62090587
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T06:43:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb9eb43f5e09d7c3389d9eb43d3a89a534c1ca91b350a8914843efdc16979abcc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958842
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958842
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ62090587
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T09:46:22Z
    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 0xb9eb43f5e09d7c3389d9eb43d3a89a534c1ca91b350a8914843efdc16979abcc. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:46:22Z), 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/QZHZ62090587.
      date published: 2026-07-20T09:46:22Z
    audio: Falando Com os Astros - Ao Vivo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.284
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.621
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.724
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.953
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.721
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.435
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Na Fé
  type: MusicAlbum
  date published: 2010-05-10
  track: Falando Com os Astros
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210991
    explicit: false
    by artist: Grupo Sambaí
    in album: Na Fé
      type: MusicAlbum
      date published: 2010-05-10
    genre: pagode
    genre: samba
    isrc code: BR2TU1000061
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T12:18:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x63b7204f50a69178a2d937b94c76a0bd8f90a56c1abea687668d01953d693a09
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958286
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958286
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR2TU1000061
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:43:37Z
    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 0x63b7204f50a69178a2d937b94c76a0bd8f90a56c1abea687668d01953d693a09. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/BR2TU1000061.
      date published: 2026-07-16T12:43:37Z
    audio: Falando Com os Astros
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.025
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.66
      additional property: Energy
        type: PropertyValue
        value: 0.651
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.704
      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: Sambaí (Ao Vivo no Camisolão)
album: Ao Vivo no Camisolão, Pt. 2
album: Ei, Psiu!
album: Sambaí 10 Anos (Ao Vivo)
album: Solteiro Assumido (Ao Vivo)
album: Na Fé (Ao Vivo)
album: Fala Agora
album: Pai do Seu Neném
album: Toma
album: Resenha do Sambaí (Ao Vivo)
album: Fica do Meu Lado
album: A Saudade Bateu no Coração
album: Sambaí 15 Anos, Bloco 1 (Ao Vivo)
album: Sambaí 15 Anos, Bloco 2 (Ao Vivo)
album: Sambaí 15 Anos, Bloco 3 (Ao Vivo)
album: 12 Horas (Ao Vivo)
album: Sambaí 15 Anos, Bloco 4 (Ao Vivo)
album: Sambaí 15 Anos: Te Fiz Bem, Blocos 5 e 6
album: Happy Day (Ao Vivo)
album: Sambaí 15 Anos: Catundê, Blocos 7 e 8 (Ao Vivo)
album: Tesão de Rua (Ao Vivo)
album: Cupido Moderno / Quando Te Olhei / Ilha da Felicidade (Ao Vivo)

Liveness
type: PropertyValue
value: 0.126

Valence (Positivity)
type: PropertyValue
value: 0.799

Loudness (dB)
type: PropertyValue
value: -9.592

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Sambaí (Ao Vivo no Camisolão)
type: MusicAlbum
date published: 2011-05-08

Ao Vivo no Camisolão, Pt. 2
type: MusicAlbum
date published: 2011-05-15
track: Burguesinha / Gostava Tanto de Você - Ao Vivo
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295166
  explicit: false
  by artist: Grupo Sambaí
  in album: Ao Vivo no Camisolão, Pt. 2
    type: MusicAlbum
    date published: 2011-05-15
  genre: pagode
  genre: samba
  isrc code: QZHZ32124402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T00:12:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe9662b20f40e67a59d5732d989f7fe637258ea1a45049d9fb26977d0a56ff1a4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958943
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958943
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32124402
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T00:27:37Z
  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 0xe9662b20f40e67a59d5732d989f7fe637258ea1a45049d9fb26977d0a56ff1a4. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/QZHZ32124402.
    date published: 2026-07-21T00:27:37Z
  audio: Burguesinha / Gostava Tanto de Você - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.145
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.593
    additional property: Energy
      type: PropertyValue
      value: 0.45
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.781
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.371
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.912
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.966
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ate o Dia Clarear / Não Diga a Ela a Minha Residência - Ao Vivo
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230202
  explicit: false
  by artist: Grupo Sambaí
  in album: Ao Vivo no Camisolão, Pt. 2
    type: MusicAlbum
    date published: 2011-05-15
  genre: pagode
  genre: samba
  isrc code: QZHZ32124401
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T22:54:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf39deef872b15bbc078203a3226c2461e7e1e9a0cfb00ffd2b7f7e7308778bdd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958942
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958942
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32124401
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T01:56:45Z
  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 0xf39deef872b15bbc078203a3226c2461e7e1e9a0cfb00ffd2b7f7e7308778bdd. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T01:56:45Z), 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/QZHZ32124401.
    date published: 2026-07-21T01:56:45Z
  audio: Ate o Dia Clarear / Não Diga a Ela a Minha Residência - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.936
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.628
    additional property: Energy
      type: PropertyValue
      value: 0.52
    additional property: Speechiness
      type: PropertyValue
      value: 0.088
    additional property: Acousticness
      type: PropertyValue
      value: 0.761
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.196
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.813
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.811
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Conselho / Será Que É Amor / Doce Refúgio / É D’oxum - Ao Vivo
  type: MusicRecording
  duration: PT7M59S
  duration ms: 479443
  explicit: false
  by artist: Grupo Sambaí
  in album: Ao Vivo no Camisolão, Pt. 2
    type: MusicAlbum
    date published: 2011-05-15
  genre: pagode
  genre: samba
  isrc code: QZHZ32124405
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T20:47:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1e4e4cdb6eb68de5a9ed43d33279112f871f8dd75e9db4a02afe102d58caf0a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Conselho / Será Que É Amor / Doce Refúgio / É D’oxum - Ao Vivo

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956857

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32124405

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:26:17Z

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 0x1e4e4cdb6eb68de5a9ed43d33279112f871f8dd75e9db4a02afe102d58caf0a1. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZHZ32124405.
date published: 2026-07-06T01:26:17Z

Conselho / Será Que É Amor / Doce Refúgio / É D’oxum - Ao Vivo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.88
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.455
additional property: Energy
  type: PropertyValue
  value: 0.464
additional property: Speechiness
  type: PropertyValue
  value: 0.051
additional property: Acousticness
  type: PropertyValue
  value: 0.721
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.186
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.772
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.587
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Ei, Psiu!
type: MusicAlbum
date published: 2013-05-08

Sambaí 10 Anos (Ao Vivo)
type: MusicAlbum
date published: 2016-05-22
track: Faz Tempo - Ao Vivo
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244272
  explicit: false
  by artist: Grupo Sambaí
  in album: Sambaí 10 Anos (Ao Vivo)
    type: MusicAlbum
    date published: 2016-05-22
  genre: pagode
  genre: samba
  isrc code: QZ5AB1607470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T00:29:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c3ba3e6690a943e6d288e8bc545687ffc2a4b806661ea7f7e49e25b246273da
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958947
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958947
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1607470
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T03:32:29Z
  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 0x0c3ba3e6690a943e6d288e8bc545687ffc2a4b806661ea7f7e49e25b246273da. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:32:29Z), 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/QZ5AB1607470.
    date published: 2026-07-21T03:32:29Z
  audio: Faz Tempo - Ao Vivo
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
      value: 0.651
    additional property: Energy
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      value: 0.732
    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
      value: 0.891
    additional property: Instrumentalness
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      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.955
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.684
    additional property: Loudness (dB)
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      value: -7.414
    additional property: Key Name
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    additional property: Mode Name
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Solteiro Assumido (Ao Vivo)
type: MusicAlbum
date published: 2019-02-08

Na Fé (Ao Vivo)
type: MusicAlbum
date published: 2019-03-08
track: Vem pra Cá Ser Meu Refrão - Ao Vivo
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  duration: PT2M56S
  duration ms: 176378
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  by artist: Grupo Sambaí
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    date published: 2019-03-08
  genre: pagode
  genre: samba
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-17T19:12:23Z
  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 0x850e8827e1dd25d3ce234a8063363a114a4636dd27642e5b2b22411dff38898c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/BRHVO1200003.
    date published: 2026-07-17T19:12:23Z
  audio: Vem pra Cá Ser Meu Refrão - Ao Vivo
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Fala Agora
type: MusicAlbum
date published: 2019-10-18

Pai do Seu Neném
type: MusicAlbum
date published: 2020-03-13

Toma
type: MusicAlbum
date published: 2020-06-19

Resenha do Sambaí (Ao Vivo)
type: MusicAlbum
date published: 2020-06-24

Fica do Meu Lado
type: MusicAlbum
date published: 2020-10-09

A Saudade Bateu no Coração
type: MusicAlbum
date published: 2021-12-10

Sambaí 15 Anos, Bloco 1 (Ao Vivo)
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date published: 2022-02-25
track: Pensa Bem / Chega Aí / Falando Com os Astros - Ao Vivo
  type: MusicRecording
  duration: PT6M45S
  duration ms: 405254
  explicit: false
  by artist: Grupo Sambaí
  in album: Sambaí 15 Anos, Bloco 1 (Ao Vivo)
    type: MusicAlbum
    date published: 2022-02-25
  genre: pagode
  genre: samba
  isrc code: QZ5AB2251758
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB2251758
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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 0x87cb030c8ed875ad2ec8e232d1ba087e73f63dda551fe9381f61997591fb7a57. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZ5AB2251758.
    date published: 2026-07-03T01:01:38Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Sambaí 15 Anos, Bloco 2 (Ao Vivo)
type: MusicAlbum
date published: 2022-03-11

Sambaí 15 Anos, Bloco 3 (Ao Vivo)
type: MusicAlbum
date published: 2022-03-25

12 Horas (Ao Vivo)
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date published: 2022-04-01
track: 12 Horas - Ao Vivo
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    date published: 2022-04-01
  genre: pagode
  genre: samba
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf4e9bdab34abdd47074be1965f5eff2dd4be37c721cb57229916038968c8038. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32227144.
    date published: 2026-07-04T11:19:20Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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Sambaí 15 Anos, Bloco 4 (Ao Vivo)
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date published: 2022-04-29

Sambaí 15 Anos: Te Fiz Bem, Blocos 5 e 6
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date published: 2022-05-20

Happy Day (Ao Vivo)
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date published: 2022-06-03

Sambaí 15 Anos: Catundê, Blocos 7 e 8 (Ao Vivo)
type: MusicAlbum
date published: 2022-07-08

Tesão de Rua (Ao Vivo)
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date published: 2022-07-29

Cupido Moderno / Quando Te Olhei / Ilha da Felicidade (Ao Vivo)
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date published: 2022-08-19