Wies de Boevé
type: MusicGroup
genre: classical-performance
genre: contrabass
popularity: 18
followers: 898
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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 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
subject of: OpenTimestamps Proof of Existence
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album: Stravinsky: The Soldier's Tale (English version), Élégie. Duo concertant
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  date published: 2021-08-27
  track: Élégie
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    by artist: Isabelle Faust
    in album: Stravinsky: The Soldier's Tale (English version), Élégie. Duo concertant
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      date published: 2021-08-27
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b4180809ff3bc01541e0e29fa7c11b70e5481269544f3ce6e1b8b9c386d6b2. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1980010 — a six-check JSON result.
      date published: 2026-07-31T15:27:29Z
    audio: Élégie
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album: Stravinsky: Histoire du soldat (version française), Élégie, Duo concertant
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  date published: 2021-08-27
  track: Histoire du soldat, Partie I Scène I: Marche du soldat. Airs de marche
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    by artist: Isabelle Faust
    by artist: Dominique Horwitz
    by artist: Lorenzo Coppola
    by artist: Javier Zafra
    by artist: Reinhold Friedrich
    by artist: Jörgen Van Rijen
    by artist: Wies de Boevé
    by artist: Raymond Curfs
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      date published: 2021-08-27
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    additional property: OTSVerifyInstructions
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      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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:22:41Z
    audio: Histoire du soldat, Partie I Scène I: Marche du soldat. Airs de marche
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album: Stravinsky: Die Geschichte vom Soldaten (Deutsche Fassung). Élégie. Duo concertant
album: Via Bottesini: Concerti e pezzi concertanti
album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
album: Rota: Divertimento Concertante - Chausson: Poème - Ravel: Tzigane

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Stravinsky: Die Geschichte vom Soldaten (Deutsche Fassung). Élégie. Duo concertant
type: MusicAlbum
date published: 2021-08-27
track: Die Geschichte vom Soldaten, 1 Teil 1 Szene: Marsch des Soldaten. Marschmelodie
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  by artist: Isabelle Faust
  by artist: Dominique Horwitz
  by artist: Lorenzo Coppola
  by artist: Javier Zafra
  by artist: Reinhold Friedrich
  by artist: Jörgen Van Rijen
  by artist: Wies de Boevé
  by artist: Raymond Curfs
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    date published: 2021-08-27
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    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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T17:29:52Z
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Via Bottesini: Concerti e pezzi concertanti
type: MusicAlbum
date published: 2020-01-24
track: Bottesini: Double Bass Concerto in B Minor: I. Allegro moderato
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  by artist: Wies de Boevé
  by artist: Joshua Weilerstein
  by artist: Brussels Philharmonic
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    date published: 2020-01-24
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
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track: Bottesini: Double Bass Concerto in B Minor: II. Andante
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  additional property: OTSVerifyInstructions
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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 0x251b903e3a9ba0f1a10b2f4c76fe25616e28ad36a81676eb5eabe44c8503d565. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900111 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
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track: Bottesini: Double Bass Concerto in B Minor: III. Finale. Allegro
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  subject of: OpenTimestamps Proof of Existence
  audio: Bottesini: Double Bass Concerto in B Minor: III. Finale. Allegro
track: Bottesini: Grande allegro di concerto (alla Mendelssohn)
track: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: I. Allegro Moderato
track: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: II. Andante
track: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: III. Finale. Allegro con fuoco
track: Bottesini: Gran Duo Concertante for Violin and Double Bass

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900112

OTSTimestamp
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value: 2026-07-02T03:30:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9e1d406521c80fcd763c50a9058bd3256f61b4f695366294c62dfa9f61dad6c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900112 — a six-check JSON result.
date published: 2026-07-02T03:30:09Z

Bottesini: Double Bass Concerto in B Minor: III. Finale. Allegro
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additional property: Mode (Major/Minor)
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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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Bottesini: Grande allegro di concerto (alla Mendelssohn)
type: MusicRecording
duration: PT12M18S
duration ms: 738334
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Joshua Weilerstein
by artist: Brussels Philharmonic
in album: Via Bottesini: Concerti e pezzi concertanti
  type: MusicAlbum
  date published: 2020-01-24
isrc code: BEA031900113
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/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900113
additional property: OTSTimestamp
  type: PropertyValue
  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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80bdfdf804b106205ed121e308f37d8ecc39738c37595dd4993a6f75145198d1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900113 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Bottesini: Grande allegro di concerto (alla Mendelssohn)
  type: AudioObject
  additional property: Tempo (BPM)
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Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: I. Allegro Moderato
type: MusicRecording
duration: PT12M22S
duration ms: 742828
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Joshua Weilerstein
by artist: Brussels Philharmonic
in album: Via Bottesini: Concerti e pezzi concertanti
  type: MusicAlbum
  date published: 2020-01-24
isrc code: BEA031900114
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6868c67496d3821d91647ba53522edff1eed4b18ecff5528adb19054a76298d3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900114 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: I. Allegro Moderato
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  additional property: Mode (Major/Minor)
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Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: II. Andante
type: MusicRecording
duration: PT5M56S
duration ms: 356239
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Joshua Weilerstein
by artist: Brussels Philharmonic
in album: Via Bottesini: Concerti e pezzi concertanti
  type: MusicAlbum
  date published: 2020-01-24
isrc code: BEA031900115
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
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a6b72fe6a6d6f612e941c39fd15141b95fc4a9391e9844860ef19c0773c503. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900115 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: II. Andante
  type: AudioObject
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Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: III. Finale. Allegro con fuoco
type: MusicRecording
duration: PT4M24S
duration ms: 264490
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Joshua Weilerstein
by artist: Brussels Philharmonic
in album: Via Bottesini: Concerti e pezzi concertanti
  type: MusicAlbum
  date published: 2020-01-24
isrc code: BEA031900116
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
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa097c859cf5ae73a66f8b2bf37182af4f98452f34bc58564cdfe8effbe647563. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900116 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Bottesini: Gran Concerto for Double Bass in F-Sharp Minor: III. Finale. Allegro con fuoco
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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: 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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Bottesini: Gran Duo Concertante for Violin and Double Bass
type: MusicRecording
duration: PT13M59S
duration ms: 839511
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Joshua Weilerstein
by artist: Brussels Philharmonic
in album: Via Bottesini: Concerti e pezzi concertanti
  type: MusicAlbum
  date published: 2020-01-24
isrc code: BEA031900117
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
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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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfd838a9f50aafb24dcb5e4f58e4b6956e6dad35696e5c37e12979389c075a9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEA031900117 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Bottesini: Gran Duo Concertante for Violin and Double Bass
  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
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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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Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
type: MusicAlbum
date published: 2016-10-07
track: 2 Pièces, Op. 32: No. 1 Praludium
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  duration: PT3M55S
  duration ms: 235200
  explicit: false
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  by artist: Tomoko Takahashi
  in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
    type: MusicAlbum
    date published: 2016-10-07
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643301
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8068e71baef0cb62bb206155fb437bfc5d1a544d9b2d78d93f9af92c09bbcceb. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643301 — a six-check JSON result.
    date published: 2026-07-29T22:48:59Z
  audio: 2 Pièces, Op. 32: No. 1 Praludium
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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
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    additional property: Danceability
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    additional property: Energy
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      value: 0.032
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.971
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.064
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.976
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 2 Pièces, Op. 32: No. 2. Scherzo
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290453
  explicit: false
  by artist: Reinhold Glière
  by artist: Wies de Boevé
  by artist: Tomoko Takahashi
  in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
    type: MusicAlbum
    date published: 2016-10-07
  isrc code: DET901643302
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T08:37:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2fada1af502d9757454d28177aaa2e95c82cb28dbb02fedcb56a74a33a0b92d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960376
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960376
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643302
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T09:09:19Z
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fada1af502d9757454d28177aaa2e95c82cb28dbb02fedcb56a74a33a0b92d9. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643302 — a six-check JSON result.
    date published: 2026-07-31T09:09:19Z
  audio: 2 Pièces, Op. 32: No. 2. Scherzo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.658
    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: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.089
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.959
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.302
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.713
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 2 Morceaux, Op. 9: Intermezzo
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204733
  explicit: false
  by artist: Reinhold Glière
  by artist: Wies de Boevé
  by artist: Tomoko Takahashi
  in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
    type: MusicAlbum
    date published: 2016-10-07
  isrc code: DET901643303
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:01:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4527030dbd943664067bce18a3a527f7ddd4fbad66588b4a93b3142f41b503e7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 2 Morceaux, Op. 9: Intermezzo
track: 2 Morceaux, Op. 9: Tarantelle
track: Rêverie
track: Introduzione e Bolero
track: Kadenza
track: Kicho

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643303

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4527030dbd943664067bce18a3a527f7ddd4fbad66588b4a93b3142f41b503e7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643303 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

2 Morceaux, Op. 9: Intermezzo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.228
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.158
additional property: Energy
  type: PropertyValue
  value: 0.029
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.972
additional property: Instrumentalness
  type: PropertyValue
  value: 0.974
additional property: Liveness
  type: PropertyValue
  value: 0.15
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.07
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.493
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

2 Morceaux, Op. 9: Tarantelle
type: MusicRecording
duration: PT5M1S
duration ms: 301640
explicit: false
by artist: Reinhold Glière
by artist: Wies de Boevé
by artist: Tomoko Takahashi
in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
  type: MusicAlbum
  date published: 2016-10-07
isrc code: DET901643304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:29:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32314eb448c00475d112461131ffbaccf014e42eb1aaf5d101b3708f9378ebf7
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/DET901643304
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32314eb448c00475d112461131ffbaccf014e42eb1aaf5d101b3708f9378ebf7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643304 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: 2 Morceaux, Op. 9: Tarantelle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.867
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.945
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.292
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.383
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rêverie
type: MusicRecording
duration: PT3M30S
duration ms: 210040
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Tomoko Takahashi
in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
  type: MusicAlbum
  date published: 2016-10-07
isrc code: DET901643305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:30:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2a65fd96ece2413693f39ea328f2ad31b2939e968b0f6c758688c999501f57c
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/DET901643305
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a65fd96ece2413693f39ea328f2ad31b2939e968b0f6c758688c999501f57c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643305 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Rêverie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.065
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.074
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.985
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.055
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Introduzione e Bolero
type: MusicRecording
duration: PT8M54S
duration ms: 534333
explicit: false
by artist: Giovanni Bottesini
by artist: Wies de Boevé
by artist: Tomoko Takahashi
in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
  type: MusicAlbum
  date published: 2016-10-07
isrc code: DET901643306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:54:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeec2a4e525368cbcfbe9552fd4692006cca34bf0aa19f874dd26780ec6318e35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643306
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec2a4e525368cbcfbe9552fd4692006cca34bf0aa19f874dd26780ec6318e35. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643306 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Introduzione e Bolero
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.669
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.263
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.521
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kadenza
type: MusicRecording
duration: PT7M8S
duration ms: 428466
explicit: false
by artist: Teppo Hauta-aho
by artist: Wies de Boevé
in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
  type: MusicAlbum
  date published: 2016-10-07
isrc code: DET901643308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:50:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x133c521e9269f348445f10125ef89039414fe3d2653a3145c0193e865fd7dcfc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960419
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960419
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643308
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:33Z
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x133c521e9269f348445f10125ef89039414fe3d2653a3145c0193e865fd7dcfc. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643308 — a six-check JSON result.
  date published: 2026-07-31T15:20:33Z
audio: Kadenza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.983
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.58
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kicho
type: MusicRecording
duration: PT7M43S
duration ms: 463066
explicit: false
by artist: Astor Piazzolla
by artist: Wies de Boevé
by artist: Tomoko Takahashi
in album: Glière, Bottesini, Jongen, Hauta-aho & Piazzolla: Chamber Works
  type: MusicAlbum
  date published: 2016-10-07
genre: tango
genre: candombe
isrc code: DET901643309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T11:50:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbfd499af999a5e0ef258de6f92fe18f5c3aeff74096b35bce4e9a37e845f204d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960105
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960105
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:35:17Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfd499af999a5e0ef258de6f92fe18f5c3aeff74096b35bce4e9a37e845f204d. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DET901643309 — a six-check JSON result.
  date published: 2026-07-29T12:35:17Z
audio: Kicho
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Rota: Divertimento Concertante - Chausson: Poème - Ravel: Tzigane
type: MusicAlbum
date published: 2009-11-01