Arthur Napoleão
type: MusicGroup
popularity: 4
followers: 52
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6adbb72d570ff5c6255c57a4f3341c22b1a0b4c530438d84428b7caf4986522
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9174fd2b-929e-4a85-bd0c-7e4e981bbc7c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9174fd2b-929e-4a85-bd0c-7e4e981bbc7c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9174fd2b-929e-4a85-bd0c-7e4e981bbc7c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa6adbb72d570ff5c6255c57a4f3341c22b1a0b4c530438d84428b7caf4986522","name":"Arthur Napoleão","registered_at":"2026-06-17T16:26:49Z","symbol":"NIM1452396","token_address":"0xae09146c40e1a16e8017fab0ef43975de6b7ef34","type":"artist","uuid":"9174fd2b-929e-4a85-bd0c-7e4e981bbc7c"}
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 0xa6adbb72d570ff5c6255c57a4f3341c22b1a0b4c530438d84428b7caf4986522. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9174fd2b-929e-4a85-bd0c-7e4e981bbc7c.json and https://artists.proofprofile.net/proofs/artist/9174fd2b-929e-4a85-bd0c-7e4e981bbc7c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xa6adbb72d570ff5c6255c57a4f3341c22b1a0b4c530438d84428b7caf4986522","name":"Arthur Napoleão","registered_at":"2026-06-17T16:26:49Z","symbol":"NIM1452396","token_address":"0xae09146c40e1a16e8017fab0ef43975de6b7ef34","type":"artist","uuid":"9174fd2b-929e-4a85-bd0c-7e4e981bbc7c"}
album: Arthur Napoleão - 18 Études Pour Virtuoses
  type: MusicAlbum
  date published: 2022-09-06
track: Arioso: Sinfonia da Cantata, BWV 156 - Versão Piano
track: Fantasia em Dó Menor, BWV 906 - Versão Piano
track: Abertura da Cantata, BWV 29 - Versão Piano
track: Seis Variações Sobre uma Ária da Ópera - Versão Piano
track: Intermezzo Op. 117, Nº 2 - Versão Piano
track: Intermezzo Op. 26. Nº 4 - Versão Piano
track: Noturno Op. 55 Nº 2 - Versão Piano
track: Valsa de Esquina, Nº 8 - Versão Piano
track: Prelúdio para Órgão, BWV 535 - Versão Piano
track: Rondó em Dó Maior - Versão Piano
track: Noturno em Dó Sustenido Menor, Obra Póstuma - Versão Piano
track: Estudo Op. 10, Nº 4 - Versão Piano

Arioso: Sinfonia da Cantata, BWV 156 - Versão Piano
type: MusicRecording
duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:51:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47a25811fed577b05827a57a31bb3973e7f7b4c6440d7fbe421a3ef3870e80c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a25811fed577b05827a57a31bb3973e7f7b4c6440d7fbe421a3ef3870e80c7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX54B1900001.
  date published: 2026-07-08T03:53:27Z
audio: Arioso: Sinfonia da Cantata, BWV 156 - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.363
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.584
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.648
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fantasia em Dó Menor, BWV 906 - Versão Piano
type: MusicRecording
duration: PT5M16S
duration ms: 316240
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:40:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6accb62bca67f73381669fb24726e819cfa6a4e040911804d627f80418504795
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6accb62bca67f73381669fb24726e819cfa6a4e040911804d627f80418504795. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BX54B1900002.
  date published: 2026-07-08T03:20:19Z
audio: Fantasia em Dó Menor, BWV 906 - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.589
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.882
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.938
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.677
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Abertura da Cantata, BWV 29 - Versão Piano
type: MusicRecording
duration: PT5M11S
duration ms: 311746
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:25:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea61a0c2911cec1b361081f31cdf319614271fcefda6e4ef0610530f9b4bb191
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea61a0c2911cec1b361081f31cdf319614271fcefda6e4ef0610530f9b4bb191. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BX54B1900003.
  date published: 2026-07-08T08:56:20Z
audio: Abertura da Cantata, BWV 29 - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.891
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.446
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.71
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.035
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Seis Variações Sobre uma Ária da Ópera - Versão Piano
type: MusicRecording
duration: PT5M40S
duration ms: 340000
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:53:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x516d6c6eae33c4096cc438594002b331d27f65b8c9b8f46c56996631b1f575e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516d6c6eae33c4096cc438594002b331d27f65b8c9b8f46c56996631b1f575e4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BX54B1900006.
  date published: 2026-07-08T08:56:20Z
audio: Seis Variações Sobre uma Ária da Ópera - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.283
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.287
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.145
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.713
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.975
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Intermezzo Op. 117, Nº 2 - Versão Piano
type: MusicRecording
duration: PT5M10S
duration ms: 310000
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:40:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf368eabc89b10afe21fd82aaba4bda9f7ca5208b1865e46f077326535a24c091
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Intermezzo Op. 117, Nº 2 - Versão Piano
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  additional property: Key Name
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    value: C#
  additional property: Mode Name
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Intermezzo Op. 26. Nº 4 - Versão Piano
type: MusicRecording
duration: PT3M7S
duration ms: 187560
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900008
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: 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/BX54B1900008
additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826a8e0cc72755bcbe5a9e91e060e8140ea7932cd62deb3141538be8b979515c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX54B1900008.
  date published: 2026-07-08T03:53:27Z
audio: Intermezzo Op. 26. Nº 4 - Versão Piano
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  additional property: Time Signature
    type: PropertyValue
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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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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Noturno Op. 55 Nº 2 - Versão Piano
type: MusicRecording
duration: PT4M53S
duration ms: 293746
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:01:03+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5743f48fc6e150284ed50968883f7f3153546f6a44a4bde13645bb56d5391abc
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
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 0x5743f48fc6e150284ed50968883f7f3153546f6a44a4bde13645bb56d5391abc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BX54B1900009.
  date published: 2026-07-08T08:56:20Z
audio: Noturno Op. 55 Nº 2 - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  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
    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)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Valsa de Esquina, Nº 8 - Versão Piano
type: MusicRecording
duration: PT2M57S
duration ms: 177053
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
isrc code: BX54B1900019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:53:43+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x96227a5e166588ead64a30b5d4bf1eb617d8e884006bd9298ca038e83552e81a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96227a5e166588ead64a30b5d4bf1eb617d8e884006bd9298ca038e83552e81a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX54B1900019.
  date published: 2026-07-08T03:53:27Z
audio: Valsa de Esquina, Nº 8 - Versão Piano
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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
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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
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.902
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.471
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.315
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prelúdio para Órgão, BWV 535 - Versão Piano
type: MusicRecording
duration: PT4M27S
duration ms: 267493
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b2f15211dbb30449d18809665ca3d49c48547758aabcfe3fcbbf195a9b015f. 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/BX54B1900004.
  date published: 2026-07-31T02:19:15Z
audio: Prelúdio para Órgão, BWV 535 - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.585
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.332
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.916
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: BX54B1900004
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900004
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
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

Rondó em Dó Maior - Versão Piano
type: MusicRecording
duration: PT2M56S
duration ms: 176866
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4319510713d2e7ae2db87e28665cac13f7daf794d40fc383feab61cf6c3f3c38. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/BX54B1900005.
  date published: 2026-07-31T08:26:41Z
audio: Rondó em Dó Maior - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.463
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.4
  additional property: Energy
    type: PropertyValue
    value: 0.283
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.894
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.825
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.436
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BX54B1900005
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960368
additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX54B1900005
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
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

Noturno em Dó Sustenido Menor, Obra Póstuma - Versão Piano
type: MusicRecording
duration: PT4M1S
duration ms: 241000
explicit: false
by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
in album: Aurélio Rebello (Versão Piano)
  type: MusicAlbum
  date published: 2019-02-16
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816cf0bc3f4c6740746e1b52af60cc19810d519e11bd509f1d9aa84b466d3548. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/BX54B1900010.
  date published: 2026-07-31T08:26:41Z
audio: Noturno em Dó Sustenido Menor, Obra Póstuma - Versão Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.125
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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Estudo Op. 10, Nº 4 - Versão Piano
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by artist: Johann Sebastian Bach
by artist: Camille Saint-Saëns
by artist: Alexander Siloti
by artist: Johann Nepomuk Hummel
by artist: Ludwig van Beethoven
by artist: Johannes Brahms
by artist: Robert Schumann
by artist: Frédéric Chopin
by artist: Gabriel Fauré
by artist: Jacques Ibert
by artist: Francis Poulenc
by artist: Alexander Scriabin
by artist: Camargo Guarnieri
by artist: Arthur Napoleão
by artist: Francisco Mignone
by artist: Ernesto Nazareth
by artist: Arnaldo Rebello
by artist: Francisco Donizetti Gondim
by artist: Aurélio Rebello
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audio: Estudo Op. 10, Nº 4 - Versão Piano
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