Alexandre Levy
type: MusicGroup
description: Alexandre Levy (10 November 1864 – 17 January 1892) was a Brazilian composer, pianist and conductor. Born in São Paulo, he pioneered a fusion of classical composition with Brazil's popular folk music
popularity: 7
followers: 420
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a244739beeff8bc5b8f9bbf642c92c99f3ea91ea654bdf227ea7fdfadd2b90. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1571ac71-153d-4265-968d-a9a18afbd90e.json and https://artists.proofprofile.net/proofs/artist/1571ac71-153d-4265-968d-a9a18afbd90e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
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album: Alexandre Levy: Souza Lima
  type: MusicAlbum
  date published: 1955-07-19
track: Tango brasileiro
track: Suite Bresilienne: IV. Samba

Tango brasileiro
type: MusicRecording
duration: PT2M34S
duration ms: 154000
explicit: false
by artist: Alexandre Levy
by artist: Clelia Iruzun
in album: Latin American Dances
  type: MusicAlbum
  date published: 2010-10-01
isrc code: SEXMD9906112
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-02T03:30:09Z
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e9175ac3b6ac8b57ef221386912448a34fab6de05e475c85386947e7f07bb27. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/SEXMD9906112.
  date published: 2026-07-02T03:30:09Z
audio: Tango brasileiro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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    value: 0.231
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.832
  additional property: Liveness
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    value: 0.168
  additional property: Valence (Positivity)
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    value: 0.107
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.894
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite Bresilienne: IV. Samba
type: MusicRecording
duration: PT7M9S
duration ms: 429573
explicit: false
by artist: Alexandre Levy
by artist: Orquestra Sinfônica do Estado de São Paulo
by artist: Roberto Minczuk
in album: Dancas Brasileiras
  type: MusicAlbum
  date published: 2011-12-06
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc08e98c0b600a5b853c203bd2fc381e0ba185ebb70ad870dcaf95be781caff. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/SEAEO1130030.
  date published: 2026-07-31T02:19:15Z
audio: Suite Bresilienne: IV. Samba
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 125.724
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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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    value: 0.258
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.618
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: SEAEO1130030
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch