Os Devaneios
type: MusicGroup
genre: samba
popularity: 8
followers: 613
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e63128669157a2d053cfa704b5b36c52f8d4bd0e6c1616be1e2b38c42302f34. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eeb808e8-1b8d-4c96-97b1-4f02e63d865e.json and https://artists.proofprofile.net/proofs/artist/eeb808e8-1b8d-4c96-97b1-4f02e63d865e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x7e63128669157a2d053cfa704b5b36c52f8d4bd0e6c1616be1e2b38c42302f34","name":"Os Devaneios","registered_at":"2026-06-21T12:16:15Z","symbol":"NIM1920605","token_address":"0x9bcd63ec854e538313e89c56e208287229d32572","type":"artist","uuid":"eeb808e8-1b8d-4c96-97b1-4f02e63d865e"}
album: Conjunto os Devaneios, Vol. 1
  type: MusicAlbum
  date published: 2019
album: Conjunto os Devaneios, Vol. 2
  type: MusicAlbum
  date published: 2019
  track: Carly & Carole
    type: MusicRecording
    duration: PT6M17S
    duration ms: 377463
    explicit: false
    by artist: Os Devaneios
    in album: Conjunto os Devaneios, Vol. 2
      type: MusicAlbum
      date published: 2019
    genre: samba
    isrc code: QZTPX2262309
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2262309
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:35:33Z
    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 0x038a4f9d998149cb8437f4adbfd71f1d0875cfda62972b3b674a8af1c703a397. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:35:33Z), 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/QZTPX2262309.
      date published: 2026-07-17T08:35:33Z
    audio: Carly & Carole
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.773
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        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.545
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.118
      additional property: Acousticness
        type: PropertyValue
        value: 0.518
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.743
      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.813
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.861
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Farol das Estrelas / Overjoyed / Celeuma / Cria / Mundo Vasto / Casa de Noca / Coração a Batucar
    type: MusicRecording
    duration: PT27M36S
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    explicit: false
    by artist: Os Devaneios
    in album: Conjunto os Devaneios, Vol. 2
      type: MusicAlbum
      date published: 2019
    genre: samba
    isrc code: QZTPX2262310
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    additional property: OTSTimestamp
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      value: 2026-07-21T18:36:31Z
    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 0x7178963b62b4e2656c89586d7770f26fc136320ea8fedc615c40e5955048fa6e. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:36:31Z), 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/QZTPX2262310.
      date published: 2026-07-21T18:36:31Z
    audio: Farol das Estrelas / Overjoyed / Celeuma / Cria / Mundo Vasto / Casa de Noca / Coração a Batucar
      type: AudioObject
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      additional property: Danceability
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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
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        type: PropertyValue
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Cheiro de Amor / Noite Linda / Devaneando
album: 1972
album: Raça Suor e Suingue

Valence (Positivity)
type: PropertyValue
value: 0.582

Loudness (dB)
type: PropertyValue
value: -13.618

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Cheiro de Amor / Noite Linda / Devaneando
type: MusicRecording
duration: PT9M12S
duration ms: 552820
explicit: false
by artist: Os Devaneios
in album: Conjunto os Devaneios, Vol. 2
  type: MusicAlbum
  date published: 2019
genre: samba
isrc code: QZTPX2262311
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe304d9f41b107941c560b5bafff8021f217a401709b18abab1cf6d072536b31f. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T10:13:27Z), 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/QZTPX2262311.
  date published: 2026-07-22T10:13:27Z
audio: Cheiro de Amor / Noite Linda / Devaneando
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  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
    type: PropertyValue
    value: 4
  additional property: Danceability
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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
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.761
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.413
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

1972
type: MusicAlbum
date published: 2022-01-20

Raça Suor e Suingue
type: MusicAlbum
date published: 2022-01-21