Zé Calixto
type: MusicGroup
genre: forró
genre: forro tradicional
popularity: 14
followers: 3243
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/2348aa98-8682-4a14-a295-10e1dbc667d1.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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 0xda1a4886657d32f3bec01b57f8480e5fc2b752036fc9c3a3d260fbf1c73d4462. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2348aa98-8682-4a14-a295-10e1dbc667d1.json and https://artists.proofprofile.net/proofs/artist/2348aa98-8682-4a14-a295-10e1dbc667d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0xda1a4886657d32f3bec01b57f8480e5fc2b752036fc9c3a3d260fbf1c73d4462","name":"Zé Calixto","registered_at":"2026-06-14T08:08:10Z","symbol":"NIM0390940","token_address":"0xe50674cf796aed698c1566d0afde774d1369363e","type":"artist","uuid":"2348aa98-8682-4a14-a295-10e1dbc667d1"}
album: Falou e Disse
  type: MusicAlbum
  date published: 1973
album: Baile Em Sua Casa
  type: MusicAlbum
  date published: 1976-01-01
album: Zé Calixto Num Fole de 8 Baixos
  type: MusicAlbum
  date published: 1977-01-01
album: Forró Pra Toda Gente
  type: MusicAlbum
  date published: 1978-01-01
album: Poeta da Sanfona
  type: MusicAlbum
  date published: 2009-02-03
  track: Tô aqui pra isso
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    by artist: Zé Calixto
    in album: Poeta da Sanfona
      type: MusicAlbum
      date published: 2009-02-03
    genre: forró
    genre: forro tradicional
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    additional property: CopyrightID
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRBTG0800002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0x93a463da7580ad63e2ef98722eaa224db33e06696ee380f4fb96e24a1defc42a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/BRBTG0800002.
      date published: 2026-07-03T19:59:51Z
    audio: Tô aqui pra isso
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        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
        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
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
        type: PropertyValue
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      additional property: Mode Name
        type: PropertyValue
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  track: Pé de serra
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    by artist: Zé Calixto
    in album: Poeta da Sanfona
      type: MusicAlbum
      date published: 2009-02-03
    genre: forró
    genre: forro tradicional
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
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      value: 2026-07-17T11:34:58Z
    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 0xac8a2cadb4ecd14d4e6f1a3798e2aab83c25955cb0bf03f5fb0ad821931156a5. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/BRBTG0800005.
      date published: 2026-07-17T11:34:58Z
    audio: Pé de serra
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      additional property: Tempo (BPM)
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        value: 100.02
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.709
      additional property: Energy
        type: PropertyValue
        value: 0.582
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Meu pai toca isso
album: Coletânea - O Fino da Roça 1 1969
album: Coletânea - Fino da roça - Vol. 3 1971
album: Cada vez Melhor
album: Sanfoneiro Pai Degua
album: Ao vivo - Vol. 01
album: Forrozão 88
album: Em tempo de forró
album: 30 Anos de Forró
album: Forró em 8 baixos
album: As 20 Mais
album: 40 Anos de Forró
album: Tocador do Mundo
album: Segura o fole Calixto
album: Vamos ter Arrasta-Pé
album: Sanfoneiro bom é
album: E sua sanfona de 8 baixos
album: Aqui no Xote
album: 20 anos de forró
album: O sanfoneiro do Brasil
album: Um oito baixos as suas ordens
album: A volta do Sanfoneiro
album: Tá feito o Forró
album: Uma sanfona de respeito
album: Misturando os Ritmos
album: 8 baixos de ouro
album: Vai tê Dança

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.396

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.278

Valence (Positivity)
type: PropertyValue
value: 0.963

Loudness (dB)
type: PropertyValue
value: -11.781

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Meu pai toca isso
type: MusicRecording
duration: PT2M36S
duration ms: 156466
explicit: false
by artist: Zé Calixto
in album: Poeta da Sanfona
  type: MusicAlbum
  date published: 2009-02-03
genre: forró
genre: forro tradicional
isrc code: BRBTG0800009
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRBTG0800009
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1661bc4879a4f8f99a884c79669f36b23ab350e23e66e6256bc69ef2af2aed7. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/BRBTG0800009.
  date published: 2026-07-05T01:12:41Z
audio: Meu pai toca isso
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.627
  additional property: Energy
    type: PropertyValue
    value: 0.626
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.468
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.305
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.972
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
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    value: Minor

Coletânea - O Fino da Roça 1 1969
type: MusicAlbum
date published: 2021-07-27

Coletânea - Fino da roça - Vol. 3 1971
type: MusicAlbum
date published: 2021-07-27

Cada vez Melhor
type: MusicAlbum
date published: 2021-08-11

Sanfoneiro Pai Degua
type: MusicAlbum
date published: 2021-08-11

Ao vivo - Vol. 01
type: MusicAlbum
date published: 2021-08-11

Forrozão 88
type: MusicAlbum
date published: 2021-08-11

Em tempo de forró
type: MusicAlbum
date published: 2021-08-11

30 Anos de Forró
type: MusicAlbum
date published: 2021-08-11

Forró em 8 baixos
type: MusicAlbum
date published: 2021-08-11

As 20 Mais
type: MusicAlbum
date published: 2021-08-11

40 Anos de Forró
type: MusicAlbum
date published: 2021-08-11

Tocador do Mundo
type: MusicAlbum
date published: 2021-08-11

Segura o fole Calixto
type: MusicAlbum
date published: 2021-08-11

Vamos ter Arrasta-Pé
type: MusicAlbum
date published: 2021-08-11

Sanfoneiro bom é
type: MusicAlbum
date published: 2021-08-11

E sua sanfona de 8 baixos
type: MusicAlbum
date published: 2021-08-11

Aqui no Xote
type: MusicAlbum
date published: 2021-08-11

20 anos de forró
type: MusicAlbum
date published: 2021-08-11

O sanfoneiro do Brasil
type: MusicAlbum
date published: 2021-08-11

Um oito baixos as suas ordens
type: MusicAlbum
date published: 2021-08-11
track: Escadaria
  type: MusicRecording
  duration: PT3M22S
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  by artist: Zé Calixto
  in album: Um oito baixos as suas ordens
    type: MusicAlbum
    date published: 2021-08-11
  genre: forró
  genre: forro tradicional
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXN9M2009623
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  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 0x4f7ea648678fd0bd4525a3c535fad7fd4eb540d0eee31fb790666422f562c2f7. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/BXN9M2009623.
    date published: 2026-07-18T04:13:26Z
  audio: Escadaria
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.531
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.714
    additional property: Energy
      type: PropertyValue
      value: 0.851
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.714
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.965
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.11
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
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A volta do Sanfoneiro
type: MusicAlbum
date published: 2021-08-11

Tá feito o Forró
type: MusicAlbum
date published: 2021-08-11

Uma sanfona de respeito
type: MusicAlbum
date published: 2021-08-11

Misturando os Ritmos
type: MusicAlbum
date published: 2021-09-10

8 baixos de ouro
type: MusicAlbum
date published: 2021-09-10

Vai tê Dança
type: MusicAlbum
date published: 2021-09-10