Roberto Tola
type: MusicGroup
genre: jazz funk
genre: smooth jazz
description: Roberto Tola (born August 5, 1966) is an Italian jazz guitarist and composer. Biography Tola began studying music when he was just six years old. In 1976 studies cello in the Conservatory of Music
popularity: 19
followers: 1002
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additional property: OTSVerifyInstructions
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  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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album: Bein' Green
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  date published: 2017-05-29
album: Bein' Green
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  track: Tears for Niro
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    by artist: Roberto Tola
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      date published: 2017-05-29
    genre: jazz funk
    genre: smooth jazz
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T23:17:53Z
    audio: Tears for Niro
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  track: Flying Away
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    in album: Bein' Green
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      date published: 2017-05-29
    genre: jazz funk
    genre: smooth jazz
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T10:47:44Z
    audio: Flying Away
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  track: Funky Party
album: Lullaby Of Christmas
album: Lullaby of Christmas (feat. Bill McGee)
album: Sunny Morning (Radio Edit)
album: Slow Motion
album: Laura
album: Colors
album: Tiana
album: Kon Tiki
album: A Christmas Ago
album: Sun Kiss
album: Sunny Morning (Summer Party)
album: Says
album: Driving To Madrid
album: Under The Leo Sign
album: Natashenka
album: Driving To Madrid (Extended Version)
album: Bossa Amor (Wave of Love)
album: The Journey Ahead
album: Pigiamino
album: Christmas For Sale
album: Christmas For Sale (Vocal Version)
album: Lightness
album: From Rio To São Paulo
album: Jazz Junction

Instrumentalness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Funky Party
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duration: PT5M30S
duration ms: 330396
explicit: false
by artist: Roberto Tola
in album: Bein' Green
  type: MusicAlbum
  date published: 2017-05-29
genre: jazz funk
genre: smooth jazz
isrc code: TCACZ1739028
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-20T16:14:34Z
audio: Funky Party
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Lullaby Of Christmas
type: MusicAlbum
date published: 2017-12-13

Lullaby of Christmas (feat. Bill McGee)
type: MusicAlbum
date published: 2017-12-13

Sunny Morning (Radio Edit)
type: MusicAlbum
date published: 2018-07-03

Sunny Morning (Radio Edit)
type: MusicAlbum
date published: 2018-07-03

Slow Motion
type: MusicAlbum
date published: 2018-11-10

Slow Motion
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date published: 2018-11-10
track: Slow Motion
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    date published: 2018-11-10
  genre: jazz funk
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T19:27:02Z
  audio: Slow Motion
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Laura
type: MusicAlbum
date published: 2020-02-22

Colors
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date published: 2020-05-29

Colors
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track: Sandro's Song
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:43:49Z
  audio: Sandro's Song
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track: Libeccio
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:43:49Z
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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
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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
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.3
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.479
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.373
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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Tiana
type: MusicAlbum
date published: 2021-09-30

Kon Tiki
type: MusicAlbum
date published: 2021-10-31

A Christmas Ago
type: MusicAlbum
date published: 2021-12-08

Sun Kiss
type: MusicAlbum
date published: 2022-03-03

Sunny Morning (Summer Party)
type: MusicAlbum
date published: 2022-05-10

Says
type: MusicAlbum
date published: 2022-08-31

Driving To Madrid
type: MusicAlbum
date published: 2023-06-06
track: Driving To Madrid
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227500
  explicit: false
  by artist: Roberto Tola
  in album: Driving To Madrid
    type: MusicAlbum
    date published: 2023-06-06
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZK6M2320201
  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: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958846
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6M2320201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T10:57:35Z
  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 0xce4e74dda774ecdf41c7cd8cef5dbcd948923f6400fbad4d292726044b182621. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:57:35Z), 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/QZK6M2320201.
    date published: 2026-07-20T10:57:35Z
  audio: Driving To Madrid
    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)
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    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
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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
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    additional property: Mode Name
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Under The Leo Sign
type: MusicAlbum
date published: 2023-06-27
track: Driving To Madrid - Radio Edit
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227500
  explicit: false
  by artist: Roberto Tola
  in album: Under The Leo Sign
    type: MusicAlbum
    date published: 2023-06-27
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZK6M2320201
  additional property: CopyrightID
  additional property: CopyrightStatus
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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/QZK6M2320201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:14:34Z
  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 0xce4e74dda774ecdf41c7cd8cef5dbcd948923f6400fbad4d292726044b182621. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZK6M2320201.
    date published: 2026-07-20T16:14:34Z
  audio: Driving To Madrid - Radio Edit
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.596
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.093
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.543
    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
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    additional property: Mode Name
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track: Valle Della Luna
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233052
  explicit: false
  by artist: Roberto Tola
  in album: Under The Leo Sign
    type: MusicAlbum
    date published: 2023-06-27
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZMEN2375912
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958552
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2375912
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T13:15:29Z
  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 0x95f5c96ba1da31cb0a2ea2e0508de1c14c0f6d107690e7c3024a1ddcaa17ff5e. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/QZMEN2375912.
    date published: 2026-07-18T13:15:29Z
  audio: Valle Della Luna
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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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
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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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    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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      value: -7.544
    additional property: Key Name
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    additional property: Mode Name
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Natashenka
type: MusicAlbum
date published: 2023-08-11

Driving To Madrid (Extended Version)
type: MusicAlbum
date published: 2023-10-12

Bossa Amor (Wave of Love)
type: MusicAlbum
date published: 2024-03-23

The Journey Ahead
type: MusicAlbum
date published: 2024-08-05
track: The Journey Ahead
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238620
  explicit: false
  by artist: Roberto Tola
  in album: The Journey Ahead
    type: MusicAlbum
    date published: 2024-08-05
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZTAY2403045
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  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: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2403045
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T12:25:41Z
  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 0xe696858fa597b0feb44f8f8cc6a000baf9b9fee38672e4b9831bfea00c994899. Chain 2 (Bitcoin): anchored in block 957702 (2026-07-12T12:25:41Z), 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/QZTAY2403045.
    date published: 2026-07-12T12:25:41Z
  audio: The Journey Ahead
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.644
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.504
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.889
    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
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      value: F
    additional property: Mode Name
      type: PropertyValue
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Pigiamino
type: MusicAlbum
date published: 2024-10-31
track: Pigiamino
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217000
  explicit: false
  by artist: Roberto Tola
  in album: Pigiamino
    type: MusicAlbum
    date published: 2024-10-31
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZWFR2433465
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3683c9025d387849ce8d4f6feffed77adf953a5fdee2acc8df26c8cf7e730b4c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958211
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFR2433465
  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 0x3683c9025d387849ce8d4f6feffed77adf953a5fdee2acc8df26c8cf7e730b4c. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QZWFR2433465.
    date published: 2026-07-15T23:24:33Z
  audio: Pigiamino
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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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
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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)
      type: PropertyValue
      value: 0.917
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.229
    additional property: Key Name
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    additional property: Mode Name
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Christmas For Sale
type: MusicAlbum
date published: 2024-12-02

Christmas For Sale (Vocal Version)
type: MusicAlbum
date published: 2024-12-19

Lightness
type: MusicAlbum
date published: 2025-02-27
track: Lightness
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235000
  explicit: false
  by artist: Roberto Tola
  in album: Lightness
    type: MusicAlbum
    date published: 2025-02-27
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZES92581685
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  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: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92581685
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T21:07:34Z
  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 0x029495d5352384928c209c9227f3e6c2774c9a672c109879e4b4cfad54048d9a. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZES92581685.
    date published: 2026-07-14T21:07:34Z
  audio: Lightness
    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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    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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From Rio To São Paulo
type: MusicAlbum
date published: 2025-04-17

Jazz Junction
type: MusicAlbum
date published: 2025-05-29
track: The Journey Ahead
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238620
  explicit: false
  by artist: Roberto Tola
  in album: Jazz Junction
    type: MusicAlbum
    date published: 2025-05-29
  genre: jazz funk
  genre: smooth jazz
  isrc code: QZTAY2403045
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T19:27:02Z
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    date published: 2026-07-18T12:14:37Z
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048e8f5bcc780198c4efdac9ab9f6af152dc9c8da2a61454d45f01457f099f79. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QZHNB2574869.
date published: 2026-07-20T09:45:25Z

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