Cappella Istropolitana
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genre: symfonicky-orchestr
description: The Cappella Istropolitana is a Slovak chamber orchestra based in Bratislava, Slovakia. Its name is derived from the Greek name for Bratislava, Istropolis (city on the Danube). The orchestra was form
popularity: 14
followers: 173
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subject of: OpenTimestamps Proof of Existence
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    by artist: Mozart Akademie Amsterdam
    by artist: Jaap Ter Linden
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    genre: classical-era
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    genre: opera
    genre: chamber-music
    genre: concerto
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T12:24:41Z
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album: O Fortuna
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  track: Ouvertüre aus dem Oratorium "Paulus"
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T12:24:41Z
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  track: Wie lieblich sind die Boten aus dem Oratorium "Paulus"
  track: Tourdion
  track: O Fortuna aus Carmina Burana
  track: O Fortuna - 2
album: Trumpet Concertos
album: Great Composers in Words & Music: Wolfgang Amadeus Mozart
album: Stille Nächte - Weihnachtsmusik aus Europa, Vol. III - Silent Nights
album: Lieder der Freiheit - Treue Tyroler reckn`s Pratzl nit
album: Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
album: Mozart: Complete Marches
album: Italian Masterpieces for Clarinet or Basset Horn and Orchestra
album: Beethoven im Gespräch ... zerlegt, besprochen, wieder zusammengesetzt, musiziert
album: Mendelssohn: Concerto For Violin, Piano & Strings In D Minor
album: Molter: Trumpet Concertos Complete
album: Wolfgang Amadeus Mozart - Bläserkonzerte
album: The Trumpet in Vienna
album: The Trumpet in Salzburg
album: Sinfonia Concertante
album: Horn Concertos
album: Trumpet Concertos, Vol. 1
album: Le cinéma de Bach à Wagner
album: Mendelssohn: The Hebrides Overture - Violin Concerto in E Minor - Symphony No. 4 in A Major, "Italian"
album: The World Of Baroque
album: Trumpet Concertos, Vol. 2
album: Los Grandes Genios Mozart - Divertimento No. 7
album: Mozart & Weber & Crusell: Concertos For Clarinet And Orchestra
album: Romantic Piano, Vol. 2 (Live)
album: Midnight Classics, Vol. 1

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Wie lieblich sind die Boten aus dem Oratorium "Paulus"
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by artist: Felix Mendelssohn
by artist: Collegium vocale Innsbruck
by artist: Vienna Chamber Orchestra
by artist: Bernhard Sieberer
in album: O Fortuna
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  date published: 2013-07-08
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
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genre: chamber-music
isrc code: ATP571231030
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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: 2026-07-08T03:20:19Z
audio: Wie lieblich sind die Boten aus dem Oratorium "Paulus"
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Tourdion
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by artist: Ensemble Kapsberger
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:22:46Z
audio: Tourdion
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O Fortuna aus Carmina Burana
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by artist: Carl Orff
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by artist: Vocappella Innsbruck
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by artist: Cappella Istropolitana
by artist: Art of Brass Hans Gansch
by artist: Schlagzeugensemble Peter Sadlo
by artist: Bernhard Sieberer
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  date published: 2013-07-08
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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O Fortuna - 2
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by artist: Collegium vocale Innsbruck
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by artist: Jauna Muzika Choir
by artist: Cappella Istropolitana
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATP571231190
additional property: OTSTimestamp
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  value: 2026-07-29T21:09:47Z
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 0xbb944cb1963e92cfde0e2d54e2b40885990ea7b1d1b425e079dc4bff39421fb4. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ATP571231190 — a six-check JSON result.
  date published: 2026-07-29T21:09:47Z
audio: O Fortuna - 2
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  additional property: Speechiness
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Trumpet Concertos
type: MusicAlbum
date published: 2013-10-04
track: Concerto in D Major for Trumpet, Strings & B.C.: I. Adagio
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  by artist: Otto Sauter
  by artist: Kurpfälzisches Kammerochester Mannheim
  by artist: Nicol Matt
  in album: Trumpet Concertos
    type: MusicAlbum
    date published: 2013-10-04
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331011703
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T22:27:30Z
  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 0x18f8efac8a10d2e8f4a89c2ba795904aafe439405939623ec75efa4a176bbedc. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/NLY331011703 — a six-check JSON result.
    date published: 2026-07-30T22:27:30Z
  audio: Concerto in D Major for Trumpet, Strings & B.C.: I. Adagio
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Danceability
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Concerto in D Major for Trumpet, Strings & B.C.: II. Allegro
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  by artist: Georg Philipp Telemann
  by artist: Otto Sauter
  by artist: Kurpfälzisches Kammerochester Mannheim
  by artist: Nicol Matt
  in album: Trumpet Concertos
    type: MusicAlbum
    date published: 2013-10-04
  isrc code: NLY331011704
  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: 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 0x32c38d530a3a02348ec21b8f5763d1e78a2c782ac8df63478bbca291e55dc615. 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/NLY331011704 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Concerto in D Major for Trumpet, Strings & B.C.: II. Allegro
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    additional property: Danceability
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    additional property: Energy
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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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track: Concerto in D Major for Trumpet, Strings & B.C.: III. Grave
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  duration ms: 86280
  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Otto Sauter
  by artist: Kurpfälzisches Kammerochester Mannheim
  by artist: Nicol Matt
  in album: Trumpet Concertos
    type: MusicAlbum
    date published: 2013-10-04
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  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
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Concerto in D Major for Trumpet, Strings & B.C.: III. Grave
track: Concerto in D Major for Trumpet, Violin, Strings & B.C.: I. Allegro
track: Concerto in D Major for Trumpet, Violin, Strings & B.C.: II. Vivace
track: Ouverture in D Major for 2 Trumpets, Strings & B.C.: I. Ouverture

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331011705

OTSTimestamp
type: PropertyValue
value: 2026-07-31T15:20:15Z

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 0xd643c742201a4683700ef229fd04495949277666ced17ac72ff4294443f721aa. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331011705 — a six-check JSON result.
date published: 2026-07-31T15:20:15Z

Concerto in D Major for Trumpet, Strings & B.C.: III. Grave
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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Concerto in D Major for Trumpet, Violin, Strings & B.C.: I. Allegro
type: MusicRecording
duration: PT1M36S
duration ms: 96200
explicit: false
by artist: Georg Philipp Telemann
by artist: Otto Sauter
by artist: Kurpfälzisches Kammerochester Mannheim
by artist: Nicol Matt
in album: Trumpet Concertos
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  date published: 2013-10-04
isrc code: NLY331011706
additional property: CopyrightID
additional property: CopyrightStatus
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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 0xdc564a8d77514f2240bd1b3c2319b161b39f05e31dcc78b49ffd3010269339ab. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331011706 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Concerto in D Major for Trumpet, Violin, Strings & B.C.: I. Allegro
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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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Concerto in D Major for Trumpet, Violin, Strings & B.C.: II. Vivace
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duration: PT3M50S
duration ms: 230053
explicit: false
by artist: Georg Philipp Telemann
by artist: Otto Sauter
by artist: Kurpfälzisches Kammerochester Mannheim
by artist: Nicol Matt
in album: Trumpet Concertos
  type: MusicAlbum
  date published: 2013-10-04
isrc code: NLY331011707
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x4968692b9aff4fafa8045cf3f38ad41c655e02e207ca34a815922edbe171a03a. 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/NLY331011707 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto in D Major for Trumpet, Violin, Strings & B.C.: II. Vivace
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Ouverture in D Major for 2 Trumpets, Strings & B.C.: I. Ouverture
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duration: PT5M53S
duration ms: 353973
explicit: false
by artist: Georg Philipp Telemann
by artist: Otto Sauter
by artist: Kurpfälzisches Kammerochester Mannheim
by artist: Nicol Matt
by artist: Franz Wagnermeyer
in album: Trumpet Concertos
  type: MusicAlbum
  date published: 2013-10-04
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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
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Great Composers in Words & Music: Wolfgang Amadeus Mozart
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Stille Nächte - Weihnachtsmusik aus Europa, Vol. III - Silent Nights
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Lieder der Freiheit - Treue Tyroler reckn`s Pratzl nit
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Mitten im kalten Winter - Weihnachtsmusik aus Europa, Vol. II
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Mozart: Complete Marches
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Italian Masterpieces for Clarinet or Basset Horn and Orchestra
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Beethoven im Gespräch ... zerlegt, besprochen, wieder zusammengesetzt, musiziert
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    date published: 2026-07-31T22:27:44Z
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Mendelssohn: Concerto For Violin, Piano & Strings In D Minor
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Molter: Trumpet Concertos Complete
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Wolfgang Amadeus Mozart - Bläserkonzerte
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The Trumpet in Vienna
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The Trumpet in Salzburg
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Sinfonia Concertante
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Horn Concertos
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  audio: Horn Concerto in D Major, TWV 51:8: III. Allegro
track: Horn Concerto in E-Flat Major: I. Con discrezione
track: Horn Concerto in E-Flat Major: II. Adagio
track: Horn Concerto in E-Flat Major: III. Allegro
track: Sonata da caccia in C Major
track: Horn Concerto No. 1 in D Major, Hob. VIId3: I. Allegro
track: Horn Concerto No. 1 in D Major, Hob. VIId3: II. Adagio
track: Horn Concerto No. 1 in D Major, Hob. VIId3: III. Allegro
track: Horn Concerto in B-Flat Major: I. Allegro moderato
track: Horn Concerto in B-Flat Major: II. Aria
track: Horn Concerto in B-Flat Major: III. Menuett
track: Horn Concerto in B-Flat Major: IV. Siciliano
track: Horn Concerto in B-Flat Major: V. Bourrée
track: Horn Concerto in B-Flat Major: VI. Giga
track: Concerto No. 2 in F Major, RV 539: I. Allegro
track: Concerto No. 2 in F Major, RV 539: II. Larghetto
track: Concerto No. 2 in F Major, RV 539: III. Allegro
track: Horn Concerto in E-Flat Major: II. Larghetto
track: Horn Concerto in E-Flat Major: III. Allegro ma non troppo
track: Concerto concertant in E-Flat Major, Op. 3: I. Allegro
track: Concerto concertant in E-Flat Major, Op. 3: II. Romance. Cantabile
track: Concerto concertant in E-Flat Major, Op. 3: III. Rondeau. Allegretto
track: Concerto in E-Flat Major: I. Allegro maestoso
track: Concerto in E-Flat Major: II. Romanze. Adagio
track: Concerto in E-Flat Major: III. Rondo. Allegro moderato
track: Concertino in E Minor, Op. 45
track: Konzertstück in E Major
track: Morceau de concert in F Minor, Op. 94
track: Konzertstück in F Major, Op. 86: II. Romanze

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Horn Concerto in D Major, TWV 51:8: III. Allegro
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Horn Concerto in E-Flat Major: I. Con discrezione
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Horn Concerto in E-Flat Major: III. Allegro
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  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.301
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.255
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto No. 1 in D Major, Hob. VIId3: II. Adagio
type: MusicRecording
duration: PT8M19S
duration ms: 499426
explicit: false
by artist: Joseph Haydn
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701522
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:01:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e6966d058fcf87bbdf92afa6f537361ba4e6fdbcd58cc3c4734972ff1c21f39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957039
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957039
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701522
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T12:58:18Z
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 0x2e6966d058fcf87bbdf92afa6f537361ba4e6fdbcd58cc3c4734972ff1c21f39. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/NLY331701522 — a six-check JSON result.
  date published: 2026-07-07T12:58:18Z
audio: Horn Concerto No. 1 in D Major, Hob. VIId3: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.191
  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: 0.13
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.799
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto No. 1 in D Major, Hob. VIId3: III. Allegro
type: MusicRecording
duration: PT4M12S
duration ms: 252640
explicit: false
by artist: Joseph Haydn
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701523
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:25:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0e26854bb994c81222ae09b7967a97430919676c3d2473793e9acf109981344
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 0xb0e26854bb994c81222ae09b7967a97430919676c3d2473793e9acf109981344. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/NLY331701523 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Horn Concerto No. 1 in D Major, Hob. VIId3: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.208
  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: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.958
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.659
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto in B-Flat Major: I. Allegro moderato
type: MusicRecording
duration: PT2M28S
duration ms: 148626
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701524
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:25:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29a1d1f98a3d20eadef6847079ed479dd263796df270f689ff0ec7efe276bac8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701524
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x29a1d1f98a3d20eadef6847079ed479dd263796df270f689ff0ec7efe276bac8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701524 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Horn Concerto in B-Flat Major: I. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.444
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.49
  additional property: Energy
    type: PropertyValue
    value: 0.216
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.882
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.591
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.43
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto in B-Flat Major: II. Aria
type: MusicRecording
duration: PT3M12S
duration ms: 192106
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701525
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:42:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42159a94c3db34391825546e7c361c3cd3a1ffb99f5d5423a85b930b367cc2cd
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/NLY331701525
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 0x42159a94c3db34391825546e7c361c3cd3a1ffb99f5d5423a85b930b367cc2cd. 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/NLY331701525 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Horn Concerto in B-Flat Major: II. Aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.897
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.953
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.727
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto in B-Flat Major: III. Menuett
type: MusicRecording
duration: PT0M57S
duration ms: 57093
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701526
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:44:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x236d958b8f84a54675d20a0cdcc43aff8674c487b609d6782f5654b84a168196
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/NLY331701526
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 0x236d958b8f84a54675d20a0cdcc43aff8674c487b609d6782f5654b84a168196. 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/NLY331701526 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Horn Concerto in B-Flat Major: III. Menuett
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.416
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.2
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.22
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.747
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.325
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto in B-Flat Major: IV. Siciliano
type: MusicRecording
duration: PT1M48S
duration ms: 108400
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:14:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cfc1546ae32a1411fb98a5d0618edb219f55b726e10dc3d0a3aaf66a3e447b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 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 0x9cfc1546ae32a1411fb98a5d0618edb219f55b726e10dc3d0a3aaf66a3e447b7. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701527 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Horn Concerto in B-Flat Major: IV. Siciliano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.629
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.825
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.062
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Horn Concerto in B-Flat Major: V. Bourrée
type: MusicRecording
duration: PT0M51S
duration ms: 51266
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701528
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:18:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53b1dc7a6c4eb33a422e17cd7dcc034ef4a70ee76f4e287c32b8e58a1a4bd8da
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/NLY331701528
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
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  date published: 2026-07-08T03:20:19Z
audio: Horn Concerto in B-Flat Major: V. Bourrée
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Horn Concerto in B-Flat Major: VI. Giga
type: MusicRecording
duration: PT1M0S
duration ms: 60720
explicit: false
by artist: Johann Beer
by artist: Carl Philipp Emanuel Bach Chamber Orchestra
by artist: Hartmut Haenchen
by artist: Peter Damm
in album: Horn Concertos
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  date published: 2017-03-01
isrc code: NLY331701529
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be7294eead6387933d6bb19c5bf88cc0aa5986343b60755dee339b4ce358ac9. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/NLY331701529 — a six-check JSON result.
  date published: 2026-07-31T08:38:45Z
audio: Horn Concerto in B-Flat Major: VI. Giga
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Concerto No. 2 in F Major, RV 539: I. Allegro
type: MusicRecording
duration: PT3M27S
duration ms: 207240
explicit: false
by artist: Antonio Vivaldi
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 0xcd572cd33e4a712125122cc29da03742f11edfd9aeff15eeb5dda32a23635ec0. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701530 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Concerto No. 2 in F Major, RV 539: I. Allegro
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Concerto No. 2 in F Major, RV 539: II. Larghetto
type: MusicRecording
duration: PT2M43S
duration ms: 163093
explicit: false
by artist: Antonio Vivaldi
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331701531
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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  date published: 2026-07-08T03:20:19Z
audio: Concerto No. 2 in F Major, RV 539: II. Larghetto
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Concerto No. 2 in F Major, RV 539: III. Allegro
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duration: PT2M41S
duration ms: 161946
explicit: false
by artist: Antonio Vivaldi
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
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  date published: 2017-03-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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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 0x82ba3f8569efe0875a06379419c1a61478d692dd8460a1fb466086cfd2fb5a28. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLY331701532 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Concerto No. 2 in F Major, RV 539: III. Allegro
  type: AudioObject
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Horn Concerto in E-Flat Major: II. Larghetto
type: MusicRecording
duration: PT3M47S
duration ms: 227400
explicit: false
by artist: Peter Johann Fick
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701534
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 0x6507127e03854478a8aab20e4b3ba6c8da00b9bd0b48ab0a421ac622f9669c6a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701534 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Horn Concerto in E-Flat Major: II. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Key Name
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Horn Concerto in E-Flat Major: III. Allegro ma non troppo
type: MusicRecording
duration: PT3M30S
duration ms: 210920
explicit: false
by artist: Peter Johann Fick
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x0ab0634eecc2307c132203dddbc917a4324184d8e9c09ac2c12836023edbf327. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/NLY331701535 — a six-check JSON result.
  date published: 2026-07-31T19:53:57Z
audio: Horn Concerto in E-Flat Major: III. Allegro ma non troppo
  type: AudioObject
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Concerto concertant in E-Flat Major, Op. 3: I. Allegro
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duration: PT8M46S
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by artist: Siegfried Kurz
by artist: Peter Damm
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701536
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 0x3b0747c516091388de3c09347606786d9898581ae8ca617c284a4912a927e91a. 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/NLY331701536 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto concertant in E-Flat Major, Op. 3: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 139.269
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.921
  additional property: Liveness
    type: PropertyValue
    value: 0.145
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.296
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.639
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto concertant in E-Flat Major, Op. 3: II. Romance. Cantabile
type: MusicRecording
duration: PT4M36S
duration ms: 276066
explicit: false
by artist: Joseph Reicha
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:37:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89ad4565b6bdcc52bfce96cffcfd74ae28bb1c1b41039c24511b35a794e64fde
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701537
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 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 0x89ad4565b6bdcc52bfce96cffcfd74ae28bb1c1b41039c24511b35a794e64fde. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701537 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Concerto concertant in E-Flat Major, Op. 3: II. Romance. Cantabile
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.451
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.061
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.798
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto concertant in E-Flat Major, Op. 3: III. Rondeau. Allegretto
type: MusicRecording
duration: PT4M29S
duration ms: 269826
explicit: false
by artist: Joseph Reicha
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701538
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:35:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ba3896715c6490a83d022517e3c11cc17df4ae838a1753297dab84e2aea2081
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701538
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x8ba3896715c6490a83d022517e3c11cc17df4ae838a1753297dab84e2aea2081. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331701538 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Concerto concertant in E-Flat Major, Op. 3: III. Rondeau. Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.058
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.584
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.405
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.845
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto in E-Flat Major: I. Allegro maestoso
type: MusicRecording
duration: PT12M32S
duration ms: 752506
explicit: false
by artist: Johannes Matthias Sperger
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:54:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x16db78bcde8e904196cf480018e6772558098008bd1db82796858a602eca76d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701539
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
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 0x16db78bcde8e904196cf480018e6772558098008bd1db82796858a602eca76d7. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NLY331701539 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Concerto in E-Flat Major: I. Allegro maestoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.067
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.948
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.275
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.332
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto in E-Flat Major: II. Romanze. Adagio
type: MusicRecording
duration: PT6M46S
duration ms: 406826
explicit: false
by artist: Johannes Matthias Sperger
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:47:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad4c2dcf7abbb2404ed3446947cc4efcef45cbddf6a4b8fae98f7a217d07e467
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0xad4c2dcf7abbb2404ed3446947cc4efcef45cbddf6a4b8fae98f7a217d07e467. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLY331701540 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Concerto in E-Flat Major: II. Romanze. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.944
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.132
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.954
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.11
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto in E-Flat Major: III. Rondo. Allegro moderato
type: MusicRecording
duration: PT5M50S
duration ms: 350226
explicit: false
by artist: Johannes Matthias Sperger
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
isrc code: NLY331701541
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:50:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae9fdf1ee95b99b3a7f56b9407ad3a5a4d16cc3d87d6837b3cb26480c1c88aa1
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/NLY331701541
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 0xae9fdf1ee95b99b3a7f56b9407ad3a5a4d16cc3d87d6837b3cb26480c1c88aa1. 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/NLY331701541 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto in E-Flat Major: III. Rondo. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.525
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.528
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.962
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.554
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.2
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concertino in E Minor, Op. 45
type: MusicRecording
duration: PT16M32S
duration ms: 992426
explicit: false
by artist: Carl Maria von Weber
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
in album: Horn Concertos
  type: MusicAlbum
  date published: 2017-03-01
genre: classical
genre: opera
isrc code: NLY331701542
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:53:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe12a56c58291d37b38114d9f048533efa292bd15f3f31fa57ab2a7a95ad4805e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331701542
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0xe12a56c58291d37b38114d9f048533efa292bd15f3f31fa57ab2a7a95ad4805e. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331701542 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Concertino in E Minor, Op. 45
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.676
  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: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.899
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.17
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.822
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Konzertstück in E Major
type: MusicRecording
duration: PT13M20S
duration ms: 800906
explicit: false
by artist: Albert Lortzing
by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Konzertstück in E Major
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Morceau de concert in F Minor, Op. 94
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by artist: Peter Damm
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genre: late-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Morceau de concert in F Minor, Op. 94
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Konzertstück in F Major, Op. 86: II. Romanze
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by artist: Staatskapelle Dresden
by artist: Siegfried Kurz
by artist: Peter Damm
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Konzertstück in F Major, Op. 86: II. Romanze
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Trumpet Concertos, Vol. 1
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T02:19:15Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T02:19:15Z
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track: Concerto in E-Flat Major, QV 5: 9: I. Allegro
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  audio: Concerto in E-Flat Major, QV 5: 9: I. Allegro
track: Concerto in E-Flat Major, QV 5: 9: II. Siciliano. Larghetto
track: Concerto in E-Flat Major, QV 5: 9: III. Allegro
track: Concerto in E-Flat Major: III. Allegro
track: Trumpet Concerto in D Major, FaWV L: 1: I. Allegro
track: Trumpet Concerto in D Major, FaWV L: 1: II. Largo
track: Trumpet Concerto in D Major, FaWV L: 1: III. Allegro
track: Trumpet Concerto in E Major, S.49: I. Allegro con spirit
track: Trumpet Concerto in E Major, S.49: III. Rondo
track: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
track: Concerto for 2 Trumpets in C Major, RV 537: III. Allegro

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9385e75020f3d1c4089fc3c52346d32f0b1e221906bd71fe89664993464e04de. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331708770 — a six-check JSON result.
date published: 2026-07-31T12:24:41Z

Concerto in E-Flat Major, QV 5: 9: I. Allegro
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Concerto in E-Flat Major, QV 5: 9: II. Siciliano. Larghetto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Concerto in E-Flat Major, QV 5: 9: II. Siciliano. Larghetto
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Concerto in E-Flat Major, QV 5: 9: III. Allegro
type: MusicRecording
duration: PT2M32S
duration ms: 152706
explicit: false
by artist: Johann Joachim Quantz
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
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  date published: 2017-11-24
isrc code: NLY331708772
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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 0x3cf04e941a54a78b6eac84f4012b43ef6b4c5119b689c69b1c782a0755baefde. 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/NLY331708772 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto in E-Flat Major, QV 5: 9: III. Allegro
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Concerto in E-Flat Major: III. Allegro
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duration: PT2M12S
duration ms: 132400
explicit: false
by artist: Anonymous
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
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  date published: 2017-11-24
isrc code: NLY331708775
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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 0x76189b8b8552fcd63abe7917429a654d558f7f84b48cb5185ea8015abb5f3b30. 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/NLY331708775 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto in E-Flat Major: III. Allegro
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Trumpet Concerto in D Major, FaWV L: 1: I. Allegro
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duration: PT2M6S
duration ms: 126080
explicit: false
by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
  type: MusicAlbum
  date published: 2017-11-24
isrc code: NLY331708776
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 0xa2775359cd856d287fcf121fbb4781e0cdf368df73a92776ef16cc9e08ab2333. 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/NLY331708776 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trumpet Concerto in D Major, FaWV L: 1: I. Allegro
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Trumpet Concerto in D Major, FaWV L: 1: II. Largo
type: MusicRecording
duration: PT1M32S
duration ms: 92880
explicit: false
by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
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  date published: 2017-11-24
isrc code: NLY331708777
additional property: CopyrightID
additional property: CopyrightStatus
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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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  date published: 2026-07-31T08:26:41Z
audio: Trumpet Concerto in D Major, FaWV L: 1: II. Largo
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Trumpet Concerto in D Major, FaWV L: 1: III. Allegro
type: MusicRecording
duration: PT2M54S
duration ms: 174733
explicit: false
by artist: Johann Friedrich Fasch
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
  type: MusicAlbum
  date published: 2017-11-24
isrc code: NLY331708778
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
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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 0xd7be05002a2a0adb169728a8ced2ad3a41ec80df23354259fee81494408bc2ef. 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/NLY331708778 — a six-check JSON result.
  date published: 2026-07-31T15:20:33Z
audio: Trumpet Concerto in D Major, FaWV L: 1: III. Allegro
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Trumpet Concerto in E Major, S.49: I. Allegro con spirit
type: MusicRecording
duration: PT9M16S
duration ms: 556386
explicit: false
by artist: Johann Nepomuk Hummel
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
  type: MusicAlbum
  date published: 2017-11-24
isrc code: NLY331708779
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 0xf1f06db04aecf28b6a6b92f558319606ef30fd1c41b90aac1b6a62ef8635f999. 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/NLY331708779 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Trumpet Concerto in E Major, S.49: I. Allegro con spirit
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Loudness (dB)
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Trumpet Concerto in E Major, S.49: III. Rondo
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duration: PT3M18S
duration ms: 198053
explicit: false
by artist: Johann Nepomuk Hummel
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
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  date published: 2017-11-24
isrc code: NLY331708781
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: OTSVerificationAPI
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additional property: OTSTimestamp
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8efeeb5df693556f8891d1430074462f991c200b6d6b32506858217e85a8798. 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/NLY331708781 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trumpet Concerto in E Major, S.49: III. Rondo
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Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
type: MusicRecording
duration: PT2M38S
duration ms: 158173
explicit: false
by artist: Antonio Vivaldi
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
  type: MusicAlbum
  date published: 2017-11-24
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331708784
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/NLY331708784
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 0xb365dc55ed27388c9863216e255cc80040cb5a85537d4810fda619249e514702. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLY331708784 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
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Concerto for 2 Trumpets in C Major, RV 537: III. Allegro
type: MusicRecording
duration: PT2M57S
duration ms: 177426
explicit: false
by artist: Antonio Vivaldi
by artist: Virtuosi Saxoniae
by artist: Ludwig Güttler
in album: Trumpet Concertos, Vol. 1
  type: MusicAlbum
  date published: 2017-11-24
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331708786
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 0xae6455cc1b29a6c1bda279df931149ea409fab5be9cec9bf9c07ea03ccf07c68. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLY331708786 — a six-check JSON result.
  date published: 2026-07-29T11:07:37Z
audio: Concerto for 2 Trumpets in C Major, RV 537: III. Allegro
  type: AudioObject
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Le cinéma de Bach à Wagner
type: MusicAlbum
date published: 2007
track: Adagio for Strings, Op. 11 No. 2 (From Platoon & Elephant Man)
  type: MusicRecording
  duration: PT7M50S
  duration ms: 470240
  explicit: false
  by artist: Samuel Barber
  by artist: Cappella Istropolitana
  by artist: Richard Edlinger
  in album: Le cinéma de Bach à Wagner
    type: MusicAlbum
    date published: 2007
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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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 0x526f46062944c3b4e5540cc2dfb83525a84cd386fbdd51f4b6a07b2546cc7f7e. 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/FRZ130770150 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Adagio for Strings, Op. 11 No. 2 (From Platoon & Elephant Man)
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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: Acousticness
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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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track: Melodia for Guitar 'Romance (From Jeux interdits)
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163800
  explicit: false
  by artist: Fernando Sor
  by artist: Norbert Kraft
  in album: Le cinéma de Bach à Wagner
    type: MusicAlbum
    date published: 2007
  genre: classical
  isrc code: FRZ130770190
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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 0xc8aec9e9f71c7a126e1c1ddcfcae77c1eca442697afdc4e812534e3b706092eb. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/FRZ130770190 — a six-check JSON result.
    date published: 2026-07-30T12:06:10Z
  audio: Melodia for Guitar 'Romance (From Jeux interdits)
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Mendelssohn: The Hebrides Overture - Violin Concerto in E Minor - Symphony No. 4 in A Major, "Italian"
type: MusicAlbum
date published: 2001-01-01
track: The Hebrides Overture (Fingal's Cave), Op. 26
  type: MusicRecording
  duration: PT10M35S
  duration ms: 635560
  explicit: false
  by artist: Felix Mendelssohn
  by artist: David Heer
  by artist: Cappella Istropolitana
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    type: MusicAlbum
    date published: 2001-01-01
  genre: classical
  genre: early-romantic-era
  genre: german-romanticism
  genre: classical-piano
  genre: choral
  genre: chamber-music
  isrc code: CH1260110201
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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 0x7e0a3127c8a6e4291cac22a4c142474322ee60a3030f210593e998d64dc1b8eb. 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/CH1260110201 — a six-check JSON result.
    date published: 2026-07-31T00:26:26Z
  audio: The Hebrides Overture (Fingal's Cave), Op. 26
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track: Violin Concerto in E Minor, Op. 64: I. Allegro molto appassionato
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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
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    date published: 2026-07-08T03:20:19Z
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      type: PropertyValue
      value: 0.855
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.208
    additional property: Liveness
      type: PropertyValue
      value: 0.172
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.097
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.321
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
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type: MusicAlbum
date published: 1999

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type: MusicAlbum
date published: 2017-11-24

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type: MusicAlbum
date published: 2014-12-02

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type: MusicAlbum
date published: 2011-08-22

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type: MusicAlbum
date published: 2021-06-25

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type: MusicAlbum
date published: 2010-11-01