Rafael Cortez
type: MusicGroup
genre: brazilian rock
description: Rafael de Faria Cortez (born October 25, 1976) is a Brazilian journalist, actor and comedian. Education and career Cortez graduated in journalism from PUC-SP and between 2008 and 2012 was a reporte
popularity: 21
followers: 1565
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-12T19:24:56Z
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album: Solo
  type: MusicAlbum
  date published: 2005-07-06
album: Elegia da Alma
  type: MusicAlbum
  date published: 2011-08-06
album: MDB: Música Divertida Brasileira
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  date published: 2016-08-12
  track: Infelizmente
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    by artist: Rafael Cortez
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      date published: 2016-08-12
    genre: brazilian rock
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    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
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      date published: 2026-07-18T22:59:44Z
    audio: Infelizmente
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  track: Piruetas
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      date published: 2016-08-12
    genre: brazilian rock
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T08:56:35Z
    audio: Piruetas
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  track: Pramodechatear / Tem Gato Na Tuba
  track: Lorota Boa
  track: Fui Ao Dentista
  track: Cinengiocoronariografia / Coração de Jacaré / A Pipa do Vovô / Cuba Lança
  track: Romance de uma Caveira
  track: Para Pedro
  track: Papai Eu Quero Me Casar / O Vira
album: Amor no Gibraltar
album: Encantada
album: Questão de Tempo
album: MPB Naquele Tempo
album: Telefonema (ao Vivo)
album: Bicho Solto
album: Que Sorte a Minha
album: Voz e Violão: Mpb ao Vivo no Estúdio
album: Nara
album: Amor nas Estrelas
album: Bicho Solto (Ao vivo)
album: Autoral MPB - Ao Vivo No Studio 8
album: Voz e Violão - Clássicos da MPB Ao Vivo no Studio 8
track: Um Abraço - Acústica

Um Abraço - Acústica
type: MusicRecording
duration: PT2M33S
duration ms: 153033
explicit: false
by artist: Badi Assad
by artist: Rafael Cortez
by artist: Fabio Lima
in album: Um Abraço
  type: MusicAlbum
  date published: 2020-05-01
genre: brazilian-modern-jazz
genre: bossa-nova
isrc code: BXRZ92000001
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additional property: CopyrightStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Um Abraço - Acústica
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
type: PropertyValue
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Mode Name
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Pramodechatear / Tem Gato Na Tuba
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duration: PT4M28S
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explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
  type: MusicAlbum
  date published: 2016-08-12
genre: brazilian rock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0126e2391ad8ab5a27156bc4c2a2304158f618950a322845455dad3009fb22bb. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:06:51Z), 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/BR9551600028.
  date published: 2026-07-20T08:06:51Z
audio: Pramodechatear / Tem Gato Na Tuba
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Instrumentalness
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Lorota Boa
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duration: PT4M0S
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explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
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genre: brazilian rock
isrc code: BR9551600029
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additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8170b9078f89c85b22c03354dc1a28aa3d6603485fb565a37999687336a07ca8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/BR9551600029.
  date published: 2026-07-02T16:51:38Z
audio: Lorota Boa
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Fui Ao Dentista
type: MusicRecording
duration: PT3M13S
duration ms: 193786
explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
  type: MusicAlbum
  date published: 2016-08-12
genre: brazilian rock
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  date published: 2026-07-05T19:27:56Z
audio: Fui Ao Dentista
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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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Cinengiocoronariografia / Coração de Jacaré / A Pipa do Vovô / Cuba Lança
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in album: MDB: Música Divertida Brasileira
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  date published: 2016-08-12
genre: brazilian rock
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additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/BR9551600024
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T15:17:43Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa504d6e5b371dc48c01e92470df8c5033239e32c765ad561487edfb2007eeba9. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:17:43Z), 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/BR9551600024.
  date published: 2026-07-21T15:17:43Z
audio: Cinengiocoronariografia / Coração de Jacaré / A Pipa do Vovô / Cuba Lança
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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Romance de uma Caveira
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duration: PT4M3S
duration ms: 243533
explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
  type: MusicAlbum
  date published: 2016-08-12
genre: brazilian rock
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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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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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6f19927c6285532b6f55bc6819847abbed98ccfec6aa6361985313fe440fc8. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/BR9551600022.
  date published: 2026-07-18T09:09:53Z
audio: Romance de uma Caveira
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.977
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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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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Para Pedro
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duration: PT2M54S
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explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
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  date published: 2016-08-12
genre: brazilian rock
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/BR9551600025
additional property: OTSTimestamp
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb5d78da476a675e39effbd5842e34515f5dbc955378bf6c88a32980c25ead6. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/BR9551600025.
  date published: 2026-07-03T23:28:02Z
audio: Para Pedro
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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
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Papai Eu Quero Me Casar / O Vira
type: MusicRecording
duration: PT4M48S
duration ms: 288360
explicit: false
by artist: Rafael Cortez
in album: MDB: Música Divertida Brasileira
  type: MusicAlbum
  date published: 2016-08-12
genre: brazilian rock
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab4d80347365ba9792e45ebefcc67edf1cf0e93642d983b1a1a54229f40efce. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/BR9551600027.
  date published: 2026-07-03T23:28:02Z
audio: Papai Eu Quero Me Casar / O Vira
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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
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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
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Amor no Gibraltar
type: MusicAlbum
date published: 2019-06-28

Encantada
type: MusicAlbum
date published: 2019-07-12

Questão de Tempo
type: MusicAlbum
date published: 2019-07-26

MPB Naquele Tempo
type: MusicAlbum
date published: 2019-08-09

Telefonema (ao Vivo)
type: MusicAlbum
date published: 2020-01-31

Bicho Solto
type: MusicAlbum
date published: 2020-06-12

Bicho Solto
type: MusicAlbum
date published: 2021-10-15

Que Sorte a Minha
type: MusicAlbum
date published: 2021-11-05

Voz e Violão: Mpb ao Vivo no Estúdio
type: MusicAlbum
date published: 2022-07-29

Nara
type: MusicAlbum
date published: 2022-08-26

Amor nas Estrelas
type: MusicAlbum
date published: 2023-12-29

Bicho Solto (Ao vivo)
type: MusicAlbum
date published: 2024-05-17

Autoral MPB - Ao Vivo No Studio 8
type: MusicAlbum
date published: 2024-06-07

Voz e Violão - Clássicos da MPB Ao Vivo no Studio 8
type: MusicAlbum
date published: 2025-10-24