Tião Carreiro & Carreirinho
type: MusicGroup
genre: sertanejo
genre: sertanejo tradicional
popularity: 17
followers: 3015
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-14T08:22:11Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x223ccc1351217133d105b448b0691e3906afaef1fa4a67f713f54673a1f59bca","name":"Tião Carreiro & Carreirinho","registered_at":"2026-06-14T06:45:46Z","symbol":"NIM0371272","token_address":"0x96fafae16a265870692c0c8655596a5a89eaa558","type":"artist","uuid":"159616b6-30a7-430c-b5bb-a5d33a350063"}
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 0x223ccc1351217133d105b448b0691e3906afaef1fa4a67f713f54673a1f59bca. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/159616b6-30a7-430c-b5bb-a5d33a350063.json and https://artists.proofprofile.net/proofs/artist/159616b6-30a7-430c-b5bb-a5d33a350063.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:40:32Z
  text: {"copyright_id":"0x223ccc1351217133d105b448b0691e3906afaef1fa4a67f713f54673a1f59bca","name":"Tião Carreiro & Carreirinho","registered_at":"2026-06-14T06:45:46Z","symbol":"NIM0371272","token_address":"0x96fafae16a265870692c0c8655596a5a89eaa558","type":"artist","uuid":"159616b6-30a7-430c-b5bb-a5d33a350063"}
album: Meu carro é minha viola
  type: MusicAlbum
  date published: 2000-06-30
  track: Adeus São Paulo
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175560
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    by artist: Tião Carreiro & Carreirinho
    in album: Meu carro é minha viola
      type: MusicAlbum
      date published: 2000-06-30
    genre: sertanejo
    genre: sertanejo tradicional
    isrc code: BRWMB0001125
    additional property: CopyrightID
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T05:38:28Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea79ebcd17ea02ae719996196c08d1095d5bc70f1b4547d82de4e4d8dd6118ab. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB0001125.
      date published: 2026-07-19T05:38:28Z
    audio: Adeus São Paulo
      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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        value: 1
      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
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.065
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.878
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.284
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Viva quem ama
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161320
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    by artist: Tião Carreiro & Carreirinho
    in album: Meu carro é minha viola
      type: MusicAlbum
      date published: 2000-06-30
    genre: sertanejo
    genre: sertanejo tradicional
    isrc code: BRWMB0000158
    additional property: CopyrightID
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      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:39:05Z
    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 0xea3a6bc7d27d54fc39f7427b5cd061a3d7dabc9dd972058cf5dabc2a26d90178. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:39:05Z), 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/BRWMB0000158.
      date published: 2026-07-15T14:39:05Z
    audio: Viva quem ama
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.522
      additional property: Energy
        type: PropertyValue
        value: 0.312
      additional property: Speechiness
        type: PropertyValue
        value: 0.122
      additional property: Acousticness
        type: PropertyValue
        value: 0.826
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.219
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Meu carro é minha viola
  track: Coração do Brasil

Coração do Brasil
type: MusicRecording
duration: PT2M44S
duration ms: 164066
explicit: false
by artist: Tião Carreiro & Carreirinho
in album: Meu carro é minha viola
  type: MusicAlbum
  date published: 2000-06-30
genre: sertanejo
genre: sertanejo tradicional
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283b3bbab592fcac5f9670db7d78f87c0c45bf94023c65b906563f4b16e48425. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/BRWMB0000157.
  date published: 2026-07-21T03:51:22Z
audio: Coração do Brasil
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 208.107
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  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
    type: PropertyValue
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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
    value: 0.972
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.791
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BRWMB0000157
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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Valence (Positivity)
type: PropertyValue
value: 0.508

Loudness (dB)
type: PropertyValue
value: -8.823

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Meu carro é minha viola
type: MusicRecording
duration: PT3M17S
duration ms: 197906
explicit: false
by artist: Tião Carreiro & Carreirinho
in album: Meu carro é minha viola
  type: MusicAlbum
  date published: 2000-06-30
genre: sertanejo
genre: sertanejo tradicional
isrc code: BRWMB0000162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958245
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB0000162
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:21:16Z
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 0xe96d4a44eabbb4edc86e93eaf71b51bc2a421fd91ae31ae64b5ef14450555313. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:21:16Z), 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/BRWMB0000162.
  date published: 2026-07-16T07:21:16Z
audio: Meu carro é minha viola
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 61.088
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.585
  additional property: Energy
    type: PropertyValue
    value: 0.36
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.833
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.686
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.59
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.271
  additional property: Key Name
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  additional property: Mode Name
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