Orchestre De L'Opéra National De Lyon
type: MusicGroup
genre: opera
popularity: 26
followers: 683
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: Floyd - Susannah
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  date published: 1994-09-05
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    by artist: Carlisle Floyd
    by artist: Cheryl Studer
    by artist: Kent Nagano
    by artist: Orchestre De L'Opéra National De Lyon
    in album: Floyd - Susannah
      type: MusicAlbum
      date published: 1994-09-05
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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: 2026-07-31T02:19:15Z
    audio: Susannah, Act One: Opening Music
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  track: Susannah, Act One, Scene 1: It's a hot night for dancin'
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    by artist: Carlisle Floyd
    by artist: Cheryl Studer
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    by artist: Orchestre De L'Opéra National De Lyon
    in album: Floyd - Susannah
      type: MusicAlbum
      date published: 1994-09-05
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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: 2026-07-31T12:24:41Z
    audio: Susannah, Act One, Scene 1: It's a hot night for dancin'
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  track: Susannah, Act One, Scene 1: I am the Reverend Olin Blitch
  track: Susannah, Act Two, Scene 2: I'm fixin' to tell y'bout a feller
  track: Susannah, Act One, Scene 2: Was y'ever at such a nice square dance, Little Bat?
  track: Susannah, Act Two, Scene 2: Come, sinner, tonight's the night
  track: Susannah, Act One, Scene 2: Ain't it a pretty night?
  track: Susannah, Act Two, Scene 3: The trees on the mountains are cold and bare
  track: Susannah, Act One, Scene 2: Don't go to bed right yet, Sam
  track: Susannah, Act Two, Scene 3: That's mighty pretty singin'
  track: Susannah, Act Two, Scene 3: I'm a lonely man, Susannah
  track: Susannah, Act Two, Scene 4: Hear me, O Lord, I beseech Thee
  track: Susannah, Act One, Scene 5: Feeble-minded idjet!
album: 40 Most Beautiful Arias
album: L'enchanteur
album: Donizetti: Lucie de Lammermoor
album: Ravel, Poulenc, Ibert & Martin: Songs with Orchestra
album: Ravel/Ibert/Martin/Poulenc - Songs
album: John Adams: The Death Of Klinghoffer
album: Classical Heartbreakers
album: Festival Offenbach
album: Berlioz: The Complete Works
album: Les plus grands airs d'opéra
album: Zeit für große Opern
album: Baroque Song
album: Suite symphonique de « Claude »/VI. Bacchanale de la mort
album: Baroque Song pour orchestre/I. Vivacissimo
album: De l'opéra à la chanson
album: ReJOYCE!

Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Susannah, Act One, Scene 1: I am the Reverend Olin Blitch
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duration: PT4M43S
duration ms: 283866
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400756
additional property: CopyrightID
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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
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  date published: 2026-07-31T12:24:41Z
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Susannah, Act Two, Scene 2: I'm fixin' to tell y'bout a feller
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duration: PT3M45S
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by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
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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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  date published: 2026-07-30T20:45:02Z
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Susannah, Act One, Scene 2: Was y'ever at such a nice square dance, Little Bat?
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by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
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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
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  date published: 2026-07-08T03:20:19Z
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Susannah, Act Two, Scene 2: Come, sinner, tonight's the night
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duration: PT5M21S
duration ms: 321000
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by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400774
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xef3c3e8f70aba54defda10b269afbb8e89fed0623b53ae90ffbefcb20150835d. 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/GBAYC9400774 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Susannah, Act Two, Scene 2: Come, sinner, tonight's the night
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.124
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.364
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Susannah, Act One, Scene 2: Ain't it a pretty night?
type: MusicRecording
duration: PT6M39S
duration ms: 399400
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400759
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:01:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x691df3167059d83c182b9ef14a3b11469d1aa6dc73ab1cabbc9a39e58cc9a8c8
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/GBAYC9400759
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 0x691df3167059d83c182b9ef14a3b11469d1aa6dc73ab1cabbc9a39e58cc9a8c8. 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/GBAYC9400759 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Susannah, Act One, Scene 2: Ain't it a pretty night?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.052
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.047
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.854
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Susannah, Act Two, Scene 3: The trees on the mountains are cold and bare
type: MusicRecording
duration: PT5M3S
duration ms: 303800
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400776
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:30:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73a65db1443aa4dbbcb7576da7d581fa9a0b772ea2aad624f40601ce715a60e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400776
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
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 0x73a65db1443aa4dbbcb7576da7d581fa9a0b772ea2aad624f40601ce715a60e2. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/GBAYC9400776 — a six-check JSON result.
  date published: 2026-07-30T14:44:50Z
audio: Susannah, Act Two, Scene 3: The trees on the mountains are cold and bare
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.497
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.221
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Susannah, Act One, Scene 2: Don't go to bed right yet, Sam
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:54:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x641943cbb153a6f38a0796b5d97cc794c400b23e8f9b4b906ea2d05697a907cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400760
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 0x641943cbb153a6f38a0796b5d97cc794c400b23e8f9b4b906ea2d05697a907cf. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBAYC9400760 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Susannah, Act One, Scene 2: Don't go to bed right yet, Sam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.557
  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: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.154
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.062
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Susannah, Act Two, Scene 3: That's mighty pretty singin'
type: MusicRecording
duration: PT4M2S
duration ms: 242200
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400777
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:33:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26df85bdeb864ba718888dd635d2e4ad8316a7fc5fa224f2101fb2a46b97fabd
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/GBAYC9400777
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 0x26df85bdeb864ba718888dd635d2e4ad8316a7fc5fa224f2101fb2a46b97fabd. 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/GBAYC9400777 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Susannah, Act Two, Scene 3: That's mighty pretty singin'
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.838
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.174
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Susannah, Act Two, Scene 3: I'm a lonely man, Susannah
type: MusicRecording
duration: PT3M52S
duration ms: 232333
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400778
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:28:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90da219aa9ec930d04501ddcf83866b7baee7a6376001fd7e03a4bd91a05f4aa
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/GBAYC9400778
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 0x90da219aa9ec930d04501ddcf83866b7baee7a6376001fd7e03a4bd91a05f4aa. 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/GBAYC9400778 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Susannah, Act Two, Scene 3: I'm a lonely man, Susannah
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.865
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.034
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.27
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Susannah, Act Two, Scene 4: Hear me, O Lord, I beseech Thee
type: MusicRecording
duration: PT3M24S
duration ms: 204706
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
in album: Floyd - Susannah
  type: MusicAlbum
  date published: 1994-09-05
isrc code: GBAYC9400780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:08:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfae5401fe4d0aeebecdba061e7c644b3b8f1d9b06f90db541af493e7d28a8d35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400780
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xfae5401fe4d0aeebecdba061e7c644b3b8f1d9b06f90db541af493e7d28a8d35. 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/GBAYC9400780 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Susannah, Act Two, Scene 4: Hear me, O Lord, I beseech Thee
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.516
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.257
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.593
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Susannah, Act One, Scene 5: Feeble-minded idjet!
type: MusicRecording
duration: PT3M32S
duration ms: 212240
explicit: false
by artist: Carlisle Floyd
by artist: Cheryl Studer
by artist: Kent Nagano
by artist: Orchestre De L'Opéra National De Lyon
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Susannah, Act One, Scene 5: Feeble-minded idjet!
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type: MusicAlbum
date published: 2008-11-06
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  by artist: Nello Santi
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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track: Donizetti: L'elisir d'amore, Act 2: "Una furtiva lagrima" (Nemorino)
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track: Bizet: Carmen, WD 31, Act 3, Scene 1: "Je dis que rien ne m'épouvante" (Micaëla)
track: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
track: Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi, che sapete che cosa è amor" (Cherubino)
track: Bizet: Les pêcheurs de perles, Act 1: "Au fond du temple saint" (Nadir, Zurga)
track: Mozart: Cosi fan tutte, K. 588, Act 1: "Soave sia il sento" (Fiordiligi, Dorabella, Don Alfonso)
track: Saint-Saëns: Samson et Dalila, Op. 47, Act II, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
track: Massenet: Werther, Act 3: "Pourquoi me réveiller"
track: Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca)
track: Rusalka, Op. 114: Song to the Moon
track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
track: Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
track: Flotow: Martha, Act 3: "Ach so fromm" (Lionel)
track: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
track: Puccini: La bohème, Act 1: "Che gelida manina" (Rodolfo)
track: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo, Schaunard, Colline, Marcello)
track: Puccini: La bohème, Act 1: "O soave fanciulla" (Rodolfo, Mimì)
track: Puccini: Gianni Schicchi, Act 1: "O mio babbino caro" (Lauretta)
track: Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
track: Offenbach: Les contes d'Hoffman, Act 4: Barcarolle - "Belle nuit, ô nuit d'amour" (Giulietta, Niklausse)
track: Bizet: Carmen, WD 31, Act 2: "La fleur que tu m'avais jetée" (Don José)
track: Puccini: Turandot, Act 1: "Signore ascolta!" (Liù)
track: Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
track: Delibes: Lakmé, Act 1: Flower Duet - "Dôme épais le jasmin" (Lakmé, Mallika)
track: Mozart: Le nozze di Figaro, Act 2: "Porgi amor qualche ristoro" (La Contessa)
track: Mozart: Don Giovanni, K. 527, Act 1: "Dalla sua pace" (Don Ottavio)
track: Rossini: Il barbiere di Siviglia, Act 1, No. 5: Una voce poco fa
track: Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
track: Gluck: Orphée et Eurydice, Act 3: "J'ai perdu mon Eurydice" (Orphée)
track: Verdi: Aïda, Act 1: "Celeste Aïda" (Radames)
track: Mozart: Don Giovanni, Act 2: "Deh vieni alla fenestra" (Don Giovanni)
track: Puccini: La rondine, Act 1: "Chi il bel sogno di Doretta" (Magda)
track: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
track: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
track: Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
track: Wagner: Tristan und Isolde, Act 3: Liebestod. "Mild und leise wie er lächelt" (Isolde)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
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date published: 2026-06-13T12:47:07Z

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by artist: Giuseppe Sinopoli
by artist: Angela Gheorghiu
by artist: Bavarian State Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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by artist: Orchestre de Chambre de Lausanne
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popularity: 36
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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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 0x60000545c94712a44eb9238a1c6398b95f50f565446c4fa4a2d682fca703fed4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEA809431600 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.65
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.131
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.57
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.065
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
type: MusicRecording
duration: PT3M54S
duration ms: 234399
explicit: false
by artist: Henry Purcell
by artist: William Christie
by artist: Véronique Gens
by artist: Les Arts Florissants
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: choral
isrc code: FRZ209401725
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T11:28:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd43025de2d758457351e714d2ca95a6852eeb81f756b4b3ddface9a47d1c4468
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209401725
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xd43025de2d758457351e714d2ca95a6852eeb81f756b4b3ddface9a47d1c4468. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ209401725 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Purcell: Dido and Aeneas, Z. 626, Act III: Song. "When I Am Laid in Earth" (Dido)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.457
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.304
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.477
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi, che sapete che cosa è amor" (Cherubino)
type: MusicRecording
duration: PT2M52S
duration ms: 172546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Barenboim
by artist: Cecilia Bartoli
by artist: Berliner Philharmoniker
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 35
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ209000402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:22:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6124bee5a64493500c931fa5ad5a7fe49cbe906baf31486194bca27569559f59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209000402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x6124bee5a64493500c931fa5ad5a7fe49cbe906baf31486194bca27569559f59. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FRZ209000402 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi, che sapete che cosa è amor" (Cherubino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.449
  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: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.176
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.369
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Les pêcheurs de perles, Act 1: "Au fond du temple saint" (Nadir, Zurga)
type: MusicRecording
duration: PT4M9S
duration ms: 249466
explicit: false
by artist: Georges Bizet
by artist: Carlo Rizzi
by artist: Orchestra of Welsh National Opera
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 41
genre: classical
genre: opera
isrc code: DEA809370127
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:58:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbce29676b65f9430bf00783d4e4f06961fc007e016cca6d0382581052685fd95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809370127
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xbce29676b65f9430bf00783d4e4f06961fc007e016cca6d0382581052685fd95. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEA809370127 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Bizet: Les pêcheurs de perles, Act 1: "Au fond du temple saint" (Nadir, Zurga)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.187
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.364
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.187
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Cosi fan tutte, K. 588, Act 1: "Soave sia il sento" (Fiordiligi, Dorabella, Don Alfonso)
type: MusicRecording
duration: PT3M4S
duration ms: 184640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alain Lombard
by artist: Frederica von Stade
by artist: Jules Bastin
by artist: Kiri Te Kanawa
by artist: Orchestre Philharmonique De Strasbourg
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 39
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ207702418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:58:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf01856aa0cf30e139cdf5e6a31b8424a17ba514d09a6fa72c09e1fd8f57e9cca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ207702418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xf01856aa0cf30e139cdf5e6a31b8424a17ba514d09a6fa72c09e1fd8f57e9cca. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FRZ207702418 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Cosi fan tutte, K. 588, Act 1: "Soave sia il sento" (Fiordiligi, Dorabella, Don Alfonso)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.557
  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: 0.181
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.581
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Saint-Saëns: Samson et Dalila, Op. 47, Act II, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
type: MusicRecording
duration: PT3M17S
duration ms: 197666
explicit: false
by artist: Camille Saint-Saëns
by artist: Sir Colin Davis
by artist: José Cura
by artist: Olga Borodina
by artist: London Symphony Orchestra
by artist: Colin Davis
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: late-romantic-era
genre: french-romanticism
isrc code: FRZ209809001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:57:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x851395da7e0aaad1b78e791c26949f7a70aca373f437851ea6114596ffffd9c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209809001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x851395da7e0aaad1b78e791c26949f7a70aca373f437851ea6114596ffffd9c6. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ209809001 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Saint-Saëns: Samson et Dalila, Op. 47, Act II, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.177
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.126
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Massenet: Werther, Act 3: "Pourquoi me réveiller"
type: MusicRecording
duration: PT2M23S
duration ms: 143599
explicit: false
by artist: Jules Massenet
by artist: Kent Nagano
by artist: Anne Sofie von Otter
by artist: Jerry Hadley
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
genre: classical
isrc code: FRZ209516126
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:46:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd46ad74f8c9f22b5fd1e3088ec343b6f54462ca3c6ca57e9e9aef3080987b4a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209516126
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xd46ad74f8c9f22b5fd1e3088ec343b6f54462ca3c6ca57e9e9aef3080987b4a5. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ209516126 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Massenet: Werther, Act 3: "Pourquoi me réveiller"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.745
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.043
  additional property: Liveness
    type: PropertyValue
    value: 0.494
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.879
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca)
type: MusicRecording
duration: PT2M20S
duration ms: 140999
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Rizzi
by artist: Orchestra of Welsh National Opera
by artist: Richard Leech
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 32
genre: classical
genre: opera
isrc code: DEA809360028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:41:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefbbf9e79ad703f58344ed86017f60483b0ff81dc54e5621fb9a31e46bae5a58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809360028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xefbbf9e79ad703f58344ed86017f60483b0ff81dc54e5621fb9a31e46bae5a58. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA809360028 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Verdi: Rigoletto, Act 3: "La donna è mobile" (Duca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.79
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.696
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rusalka, Op. 114: Song to the Moon
type: MusicRecording
duration: PT5M58S
duration ms: 358760
explicit: false
by artist: Antonín Dvořák
by artist: Lesley Garrett
by artist: Andrew Greenwood
by artist: Philharmonia Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: GBAJC9700553
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:41:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x901f6efcfcf758f1777a78320fa2e88f4a326f1b9aa31b76b77fbb8bf7cb822b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJC9700553
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x901f6efcfcf758f1777a78320fa2e88f4a326f1b9aa31b76b77fbb8bf7cb822b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAJC9700553 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Rusalka, Op. 114: Song to the Moon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.891
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.939
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
type: MusicRecording
duration: PT4M29S
duration ms: 269986
explicit: false
by artist: Giacomo Puccini
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 32
isrc code: DEA800028300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T06:46:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe64eab5d572525d14767f821b7623467be2fade2824f132eddac583ae179ad0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800028300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xe64eab5d572525d14767f821b7623467be2fade2824f132eddac583ae179ad0f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA800028300 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.455
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.037
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
type: MusicRecording
duration: PT2M34S
duration ms: 154599
explicit: false
by artist: Giacomo Puccini
by artist: José Cura
by artist: Philharmonia Orchestra
by artist: Plácido Domingo
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
isrc code: FRZ209704300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x686f5b6f9bc19f2dd94df3f53788f96885ae808ea2d1fff45e79867588180c6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209704300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x686f5b6f9bc19f2dd94df3f53788f96885ae808ea2d1fff45e79867588180c6c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ209704300 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Manon Lescaut, Act 1: "Donna non vidi mai" (Des Grieux)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.929
  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: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.256
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.032
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Flotow: Martha, Act 3: "Ach so fromm" (Lionel)
type: MusicRecording
duration: PT3M31S
duration ms: 211066
explicit: false
by artist: Friedrich von Flotow
by artist: Luciano Pavarotti
by artist: Richard Bonynge
by artist: New Philharmonia Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: GBF077300010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:38:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6828d2c16416a95300103ef0781f0d503275f68bc0512125fe8c5b579842ac5d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077300010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x6828d2c16416a95300103ef0781f0d503275f68bc0512125fe8c5b579842ac5d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBF077300010 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Flotow: Martha, Act 3: "Ach so fromm" (Lionel)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.788
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.068
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
type: MusicRecording
duration: PT3M5S
duration ms: 185893
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ209630600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:44:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51abaf79ee94ac169c3caf48b4cfe39c55ce2385896843e3a2ceb815a2dd5454
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209630600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x51abaf79ee94ac169c3caf48b4cfe39c55ce2385896843e3a2ceb815a2dd5454. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ209630600 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.608
  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: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.755
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Che gelida manina" (Rodolfo)
type: MusicRecording
duration: PT4M25S
duration ms: 265880
explicit: false
by artist: Giacomo Puccini
by artist: James Conlon
by artist: José Carreras
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: FRZ208701403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:44:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71e6bc63d7ec9b5edddff74b9c57cb681125c675a700cc187f6640798df48485
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208701403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x71e6bc63d7ec9b5edddff74b9c57cb681125c675a700cc187f6640798df48485. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ208701403 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: La bohème, Act 1: "Che gelida manina" (Rodolfo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.511
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.254
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.123
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.03
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo, Schaunard, Colline, Marcello)
type: MusicRecording
duration: PT5M32S
duration ms: 332413
explicit: false
by artist: Giacomo Puccini
by artist: Barbara Hendricks
by artist: Francesco Ellero D'Artegna
by artist: Gino Quilico
by artist: James Conlon
by artist: José Carreras
by artist: Orchestre National De France
by artist: Richard Cowan
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ208701404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:02:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf277fc565da5cd63cb323b4b6c0f6e27217703dd12a41592eb8324f5aba81f89
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208701404
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xf277fc565da5cd63cb323b4b6c0f6e27217703dd12a41592eb8324f5aba81f89. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ208701404 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: La bohème, Act 1: "Sì. Mi chiamano Mimì" (Mimì, Rodolfo, Schaunard, Colline, Marcello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.217
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.511
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "O soave fanciulla" (Rodolfo, Mimì)
type: MusicRecording
duration: PT4M8S
duration ms: 248360
explicit: false
by artist: Giacomo Puccini
by artist: James Conlon
by artist: Barbara Hendricks
by artist: José Carreras
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ208701405
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:08:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe72529187322b0b27f1ca1d6d182d9c0407c9f53777cd05a8825fe9fdc1803a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208701405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xe72529187322b0b27f1ca1d6d182d9c0407c9f53777cd05a8825fe9fdc1803a3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRZ208701405 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: La bohème, Act 1: "O soave fanciulla" (Rodolfo, Mimì)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.602
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.168
  additional property: Energy
    type: PropertyValue
    value: 0.083
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.842
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.79
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Gianni Schicchi, Act 1: "O mio babbino caro" (Lauretta)
type: MusicRecording
duration: PT2M31S
duration ms: 151693
explicit: false
by artist: Giacomo Puccini
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: DEA800028800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:48:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9773b49bb3c093261121278051514676eb34a6838b7b28eb960cafc7f0092fa7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800028800
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x9773b49bb3c093261121278051514676eb34a6838b7b28eb960cafc7f0092fa7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA800028800 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Gianni Schicchi, Act 1: "O mio babbino caro" (Lauretta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.629
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.077
  additional property: Liveness
    type: PropertyValue
    value: 0.181
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.36
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
type: MusicRecording
duration: PT3M43S
duration ms: 223386
explicit: false
by artist: Alfredo Catalani
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 29
genre: opera
isrc code: DEA800027700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:14:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71415bd52c9ac0a2a357af98806e267b723b1827b2b86e53008b0bcd84e8d225
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800027700
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71415bd52c9ac0a2a357af98806e267b723b1827b2b86e53008b0bcd84e8d225. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800027700 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Catalani: La Wally, Act 1: "Ebben, ne andrò lontana" (Wally)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.841
  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: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.044
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.201
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Offenbach: Les contes d'Hoffman, Act 4: Barcarolle - "Belle nuit, ô nuit d'amour" (Giulietta, Niklausse)
type: MusicRecording
duration: PT2M31S
duration ms: 151759
explicit: false
by artist: Jacques Offenbach
by artist: Jennifer Larmore
by artist: Hei-Kyung Hong
by artist: Jesús López-Cobos
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 35
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEA809809001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:56:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x433cdbd959a88dc9658d36c95320f03a7b0776743c528513549f04f85bcb60d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809809001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x433cdbd959a88dc9658d36c95320f03a7b0776743c528513549f04f85bcb60d2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA809809001 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Offenbach: Les contes d'Hoffman, Act 4: Barcarolle - "Belle nuit, ô nuit d'amour" (Giulietta, Niklausse)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.147
  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: 0.309
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.987
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bizet: Carmen, WD 31, Act 2: "La fleur que tu m'avais jetée" (Don José)
type: MusicRecording
duration: PT4M4S
duration ms: 244253
explicit: false
by artist: Georges Bizet
by artist: Lorin Maazel
by artist: Orchestre National De France
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: opera
isrc code: FRZ208211333
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:21:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcaa6fc445a116d92d211e562603b99d49e37863ef21573ea0d6096b8cbc769a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208211333
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa6fc445a116d92d211e562603b99d49e37863ef21573ea0d6096b8cbc769a2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208211333 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Bizet: Carmen, WD 31, Act 2: "La fleur que tu m'avais jetée" (Don José)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.773
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Puccini: Turandot, Act 1: "Signore ascolta!" (Liù)
type: MusicRecording
duration: PT2M42S
duration ms: 162639
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
isrc code: FRZ209632100
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209632100
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5873e6730d2e3350b5ee7ef8ae01313fe45ddd95aafd1e77ebbaf72851f334. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209632100 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Puccini: Turandot, Act 1: "Signore ascolta!" (Liù)
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Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
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duration: PT3M9S
duration ms: 189239
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Rizzi
by artist: Edita Gruberova
by artist: London Symphony Orchestra
by artist: Neil Shicoff
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: opera
isrc code: DEA809220918
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
  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1596ce3ff3dffd3de1ad4e14991e37967b3c9141700b1a74876b2bcf5a7ab6b7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809220918 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
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Delibes: Lakmé, Act 1: Flower Duet - "Dôme épais le jasmin" (Lakmé, Mallika)
type: MusicRecording
duration: PT4M38S
duration ms: 278986
explicit: false
by artist: Léo Delibes
by artist: Jennifer Larmore
by artist: Hei-Kyung Hong
by artist: Jesús López-Cobos
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 33
genre: classical
isrc code: DEA809809003
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
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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 0x7d777f3855e8fada7bb6e40faf3edf158b2bbac3fb97393fd0db0bd3a5a04c7d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA809809003 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Delibes: Lakmé, Act 1: Flower Duet - "Dôme épais le jasmin" (Lakmé, Mallika)
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Mozart: Le nozze di Figaro, Act 2: "Porgi amor qualche ristoro" (La Contessa)
type: MusicRecording
duration: PT4M3S
duration ms: 243933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Barenboim
by artist: Berliner Philharmoniker
by artist: Lella Cuberli
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ209000423
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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  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209000423
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e336ba06dc12db5d47ee46aa2a80025f8b8504afa51061ac140d8edbe6ba676. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209000423 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Le nozze di Figaro, Act 2: "Porgi amor qualche ristoro" (La Contessa)
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  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Mozart: Don Giovanni, K. 527, Act 1: "Dalla sua pace" (Don Ottavio)
type: MusicRecording
duration: PT4M42S
duration ms: 282573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Nikolaus Harnoncourt
by artist: Hans Peter Blochwitz
by artist: Royal Concertgebouw Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEA808800126
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2481ad105cbaea653b6071f77d84e95b2e8aafe9f51a5e5a61d616efcf52ea8c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808800126 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Don Giovanni, K. 527, Act 1: "Dalla sua pace" (Don Ottavio)
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  additional property: Musical Key
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  additional property: Danceability
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Rossini: Il barbiere di Siviglia, Act 1, No. 5: Una voce poco fa
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duration: PT5M33S
duration ms: 333853
explicit: false
by artist: Gioachino Rossini
by artist: Jesús López-Cobos
by artist: Orchestre de Chambre de Lausanne
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 27
genre: classical
genre: opera
isrc code: DEA809206411
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
  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 0x7ddb663b4d5ba4975a88b9d7b395a756a10b72c24876e5cd9a12dd1d00b361f5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809206411 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Rossini: Il barbiere di Siviglia, Act 1, No. 5: Una voce poco fa
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  additional property: Danceability
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Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
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duration: PT4M34S
duration ms: 274973
explicit: false
by artist: George Frideric Handel
by artist: Claudio Scimone
by artist: I Solisti Veneti
by artist: Marilyn Horne
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ208203771
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208203771
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1488f88cc4235eb440654e5bfc533fd1a6a06659c455b1745e27062ba4ec6622. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208203771 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Handel: Rinaldo, HWV 7, Act 2: Aria. "Lascia ch'io pianga" (Almirena)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.492
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.023
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gluck: Orphée et Eurydice, Act 3: "J'ai perdu mon Eurydice" (Orphée)
type: MusicRecording
duration: PT4M22S
duration ms: 262706
explicit: false
by artist: Christoph Willibald Gluck
by artist: Susan Graham
by artist: Harry Bicket
by artist: Orchestra of the Age of Enlightenment
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 27
genre: classical
genre: opera
isrc code: FRZ200004310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:43:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd7b33830e042d7e982c3dae9107b431e3dea16052223bcba066f775ca10711a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200004310
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd7b33830e042d7e982c3dae9107b431e3dea16052223bcba066f775ca10711a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200004310 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Gluck: Orphée et Eurydice, Act 3: "J'ai perdu mon Eurydice" (Orphée)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.671
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.354
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.227
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Verdi: Aïda, Act 1: "Celeste Aïda" (Radames)
type: MusicRecording
duration: PT4M42S
duration ms: 282493
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Nello Santi
by artist: Berlin Deutsche Oper Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 28
genre: classical
genre: opera
isrc code: DEA806899009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:11:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x114f6198199e29837090ed52601c6229ee6b6048a4607cec0b7f430c2d3983cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806899009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x114f6198199e29837090ed52601c6229ee6b6048a4607cec0b7f430c2d3983cc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806899009 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Verdi: Aïda, Act 1: "Celeste Aïda" (Radames)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.967
  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: 0.181
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.058
  additional property: Liveness
    type: PropertyValue
    value: 0.387
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.501
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, Act 2: "Deh vieni alla fenestra" (Don Giovanni)
type: MusicRecording
duration: PT2M16S
duration ms: 136626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bryn Terfel
by artist: Sir Georg Solti
by artist: London Philharmonic Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBF079643436
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:43:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41f9249c8cb7fb20d2a9171f6d7714713b70619077807b9586b809bd46178a9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079643436
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41f9249c8cb7fb20d2a9171f6d7714713b70619077807b9586b809bd46178a9a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079643436 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Mozart: Don Giovanni, Act 2: "Deh vieni alla fenestra" (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.138
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.805
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.172
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La rondine, Act 1: "Chi il bel sogno di Doretta" (Magda)
type: MusicRecording
duration: PT2M58S
duration ms: 178013
explicit: false
by artist: Giacomo Puccini
by artist: Kiri Te Kanawa
by artist: Kent Nagano
by artist: Orchestre de l'Opéra de Lyon
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
isrc code: FRZ209631700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:09:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee534265a14ba9c076d360fda333c058632d621280cef87b9f50c9ae51067a62
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209631700
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee534265a14ba9c076d360fda333c058632d621280cef87b9f50c9ae51067a62. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209631700 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Puccini: La rondine, Act 1: "Chi il bel sogno di Doretta" (Magda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.426
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.874
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
type: MusicRecording
duration: PT2M11S
duration ms: 131519
explicit: false
by artist: Umberto Giordano
by artist: Plácido Domingo
by artist: Nello Santi
by artist: Orchestra of the Deutsche Oper Berlin
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 30
genre: opera
isrc code: DEA806801400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:09:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4e47c7f60e244bf81122d3ba8da42001ffe7a18841a5c673e311edb3123972d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA806801400
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xa4e47c7f60e244bf81122d3ba8da42001ffe7a18841a5c673e311edb3123972d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA806801400 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.778
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.164
  additional property: Energy
    type: PropertyValue
    value: 0.359
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.24
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.098
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
type: MusicRecording
duration: PT4M53S
duration ms: 293919
explicit: false
by artist: Franz Lehár
by artist: Karita Mattila
by artist: Yutaka Sado
by artist: London Philharmonic Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: opera
isrc code: FRZ200010410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:37:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71a1bf2304df1f299572968727b4f8e47a2e132d341bdd701a0f53f27b5420b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200010410
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a1bf2304df1f299572968727b4f8e47a2e132d341bdd701a0f53f27b5420b4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200010410 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt' eine Vilja, ein Waldmägdelein" (Hanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.632
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.303
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.77
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
type: MusicRecording
duration: PT2M52S
duration ms: 172453
explicit: false
by artist: Giacomo Puccini
by artist: Zubin Mehta
by artist: Orchestra Sinfonica di Roma della RAI
by artist: Plácido Domingo
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 31
isrc code: DEA809221133
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:52:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d5e78be71ddb95465794fd1d9c2cbe2017f93b021b51626f38decde8c95c44d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809221133
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0x6d5e78be71ddb95465794fd1d9c2cbe2017f93b021b51626f38decde8c95c44d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEA809221133 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 92.711
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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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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Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
type: MusicRecording
duration: PT4M43S
duration ms: 283919
explicit: false
by artist: Giuseppe Verdi
by artist: Cristina Gallardo-Domas
by artist: Maurizio Barbacini
by artist: Das Münchner Rundfunkorchester
by artist: Munich Radio Orchestra
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: classical
genre: opera
isrc code: DEA800028200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T06:40:37+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800028200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42507884e0885422141eaa13ca2751346a35d02234b11f8b60323a48608cd349. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800028200 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Verdi: Otello, Act 4: "Ave Maria" (Desdemona)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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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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Wagner: Tristan und Isolde, Act 3: Liebestod. "Mild und leise wie er lächelt" (Isolde)
type: MusicRecording
duration: PT6M57S
duration ms: 417613
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Waltraud Meier
by artist: Berliner Philharmoniker
in album: 40 Most Beautiful Arias
  type: MusicAlbum
  date published: 2008-11-06
popularity: 26
genre: classical
genre: opera
isrc code: DEA809428636
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:35:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5ab991256c3afae64546ff79dc5097982c5e870adc7ba6a81a8670fac978573
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809428636
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ab991256c3afae64546ff79dc5097982c5e870adc7ba6a81a8670fac978573. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809428636 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Wagner: Tristan und Isolde, Act 3: Liebestod. "Mild und leise wie er lächelt" (Isolde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.889
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.163
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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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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L'enchanteur
type: MusicAlbum
date published: 2016-04-22
track: Donizetti: L'elisir d'amore, Act 2: "Una furtiva lagrima" (Nemorino)
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293160
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Marcello Viotti
  by artist: Roberto Alagna
  by artist: English Chamber Orchestra
  in album: L'enchanteur
    type: MusicAlbum
    date published: 2016-04-22
  genre: opera
  isrc code: FRZ209201002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x7557404dde0367811aa8563e44f7d54c6a31220b47ef7f96d4288924ec7d068a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960404
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960404
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209201002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T13:06:57Z
  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 0x7557404dde0367811aa8563e44f7d54c6a31220b47ef7f96d4288924ec7d068a. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/FRZ209201002 — a six-check JSON result.
    date published: 2026-07-31T13:06:57Z
  audio: Donizetti: L'elisir d'amore, Act 2: "Una furtiva lagrima" (Nemorino)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 163.431
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.148
    additional property: Energy
      type: PropertyValue
      value: 0.031
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.633
    additional property: Key Name
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      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Verdi: La traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Violetta, Coro)
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177120
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Roberto Alagna
  by artist: Angela Gheorghiu
  by artist: Berliner Philharmoniker
  by artist: Claudio Abbado
  by artist: London Voices
  in album: L'enchanteur
    type: MusicAlbum
    date published: 2016-04-22
  genre: classical
  genre: opera
  isrc code: GBAYC9800774
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10237287b8dd2ea8ce1639f52a1ee41610145676d9fda83a0742d82824dc89ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9800774
  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 0x10237287b8dd2ea8ce1639f52a1ee41610145676d9fda83a0742d82824dc89ef. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9800774 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Verdi: La traviata, Act 1: "Libiamo ne' lieti calici" (Alfredo, Violetta, Coro)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.132
    additional property: Musical Key
      type: PropertyValue
      value: 10
    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: 0.427
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.11
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
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      value: 0.295
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.325
    additional property: Key Name
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      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bernstein: West Side Story, Act 1: "Tonight"
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229306
  explicit: false
  by artist: Leonard Bernstein
  by artist: Richard Armstrong
  by artist: Angela Gheorghiu
  by artist: Roberto Alagna
  by artist: Orchestra of the Royal Opera House, Covent Garden
  in album: L'enchanteur
    type: MusicAlbum
    date published: 2016-04-22
  genre: classical
  genre: orchestra
  isrc code: GBAYC9500619
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bernstein: West Side Story, Act 1: "Tonight"

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T06:40:59+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6e5735adcf8023dfd44e58024b1a3513f9b069d0b180f0995608a2eeb2b00931

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960362

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960362

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500619

OTSTimestamp
type: PropertyValue
value: 2026-07-31T06:58:00Z

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 0x6e5735adcf8023dfd44e58024b1a3513f9b069d0b180f0995608a2eeb2b00931. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/GBAYC9500619 — a six-check JSON result.
date published: 2026-07-31T06:58:00Z

Bernstein: West Side Story, Act 1: "Tonight"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.583
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: 0.229
additional property: Energy
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  value: 0.173
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.958
additional property: Instrumentalness
  type: PropertyValue
  value: 0.006
additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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  value: -19.524
additional property: Key Name
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  value: Bb
additional property: Mode Name
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Donizetti: Lucie de Lammermoor
type: MusicAlbum
date published: 2002-01-01

Ravel, Poulenc, Ibert & Martin: Songs with Orchestra
type: MusicAlbum
date published: 1992-01-01

Ravel/Ibert/Martin/Poulenc - Songs
type: MusicAlbum
date published: 1992

John Adams: The Death Of Klinghoffer
type: MusicAlbum
date published: 1992
track: Adams: The Death of Klinghoffer, Prologue: Chorus of Exiled Palestinians
  type: MusicRecording
  duration: PT8M40S
  duration ms: 520000
  explicit: false
  by artist: John Adams
  by artist: Kent Nagano
  by artist: The Opera De Lyon
  by artist: London Opera Chorus
  in album: John Adams: The Death Of Klinghoffer
    type: MusicAlbum
    date published: 1992
  isrc code: USNO10200339
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T20:41:57+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x2e795f6e063752930bc69b4ea40c4e9771f612d96a6bb87e1575b4e4fbf24493
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200339
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0x2e795f6e063752930bc69b4ea40c4e9771f612d96a6bb87e1575b4e4fbf24493. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USNO10200339 — a six-check JSON result.
    date published: 2026-06-13T15:41:10Z
  audio: Adams: The Death of Klinghoffer, Prologue: Chorus of Exiled Palestinians
    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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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.939
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.607
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.048
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.053
    additional property: Key Name
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      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Adams: The Death of Klinghoffer, Prologue: Chorus of Exiled Jews
  type: MusicRecording
  duration: PT8M38S
  duration ms: 518173
  explicit: false
  by artist: John Adams
  by artist: Kent Nagano
  by artist: The Opera De Lyon
  by artist: London Opera Chorus
  in album: John Adams: The Death Of Klinghoffer
    type: MusicAlbum
    date published: 1992
  isrc code: USNO10200340
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T00:13:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7e83bbf6604a4e6645af0ede26303025ce4dbdfc6d0de8c016629f911edb1077
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960175
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960175
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200340
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T00:16:15Z
  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 0x7e83bbf6604a4e6645af0ede26303025ce4dbdfc6d0de8c016629f911edb1077. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/USNO10200340 — a six-check JSON result.
    date published: 2026-07-30T00:16:15Z
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    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
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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track: Adams: The Death of Klinghoffer, Act I: "It was just after 1:15"
  type: MusicRecording
  duration: PT8M9S
  duration ms: 489093
  explicit: false
  by artist: John Adams
  by artist: Kent Nagano
  by artist: The Opera De Lyon
  by artist: London Opera Chorus
  in album: John Adams: The Death Of Klinghoffer
    type: MusicAlbum
    date published: 1992
  isrc code: USNO10200341
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T03:58:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd2bef953d97ac1c190b1c9aeda6f9c0e58cfc01d180b99616ae2fd783eda1fcf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Adams: The Death of Klinghoffer, Act I: "It was just after 1:15"
track: Adams: The Death of Klinghoffer, Act I: "My Grandson Didi, who was two"
track: Adams: The Death of Klinghoffer, Act I: "Give these orders"
track: Adams: The Death of Klinghoffer, Act I: "So I said to my grandson"
track: Adams: The Death of Klinghoffer, Act I: "We are sorry for you"
track: Adams: The Death of Klinghoffer, Act II: Desert Chorus
track: Adams: The Death of Klinghoffer, Act I: Ocean Chorus
track: Adams: The Death of Klinghoffer, Act I: Night Chorus

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960344

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960344

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200341

OTSTimestamp
type: PropertyValue
value: 2026-07-31T04:14:58Z

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 0xd2bef953d97ac1c190b1c9aeda6f9c0e58cfc01d180b99616ae2fd783eda1fcf. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USNO10200341 — a six-check JSON result.
date published: 2026-07-31T04:14:58Z

Adams: The Death of Klinghoffer, Act I: "It was just after 1:15"
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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  value: 0.863
additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.154
additional property: Loudness (dB)
  type: PropertyValue
  value: -32.368
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Adams: The Death of Klinghoffer, Act I: "My Grandson Didi, who was two"
type: MusicRecording
duration: PT5M10S
duration ms: 310533
explicit: false
by artist: John Adams
by artist: Kent Nagano
by artist: The Opera De Lyon
by artist: London Opera Chorus
in album: John Adams: The Death Of Klinghoffer
  type: MusicAlbum
  date published: 1992
isrc code: USNO10200342
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:07:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb48b702d75de30122a2f43b2769118944b2a772d25ea38f9f5a758d7da69f955
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/USNO10200342
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 0xb48b702d75de30122a2f43b2769118944b2a772d25ea38f9f5a758d7da69f955. 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/USNO10200342 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Adams: The Death of Klinghoffer, Act I: "My Grandson Didi, who was two"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.263
  additional property: Energy
    type: PropertyValue
    value: 0.254
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.035
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.588
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Adams: The Death of Klinghoffer, Act I: "Give these orders"
type: MusicRecording
duration: PT2M1S
duration ms: 121266
explicit: false
by artist: John Adams
by artist: Kent Nagano
by artist: The Opera De Lyon
by artist: London Opera Chorus
in album: John Adams: The Death Of Klinghoffer
  type: MusicAlbum
  date published: 1992
isrc code: USNO10200343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:29:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1626932d093d3239e90be8140e27b4dfd22efc4c6fd8f9da510b6e65ee4a100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200343
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 0xf1626932d093d3239e90be8140e27b4dfd22efc4c6fd8f9da510b6e65ee4a100. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USNO10200343 — a six-check JSON result.
  date published: 2026-07-08T03:39:04Z
audio: Adams: The Death of Klinghoffer, Act I: "Give these orders"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.377
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.396
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Adams: The Death of Klinghoffer, Act I: "So I said to my grandson"
type: MusicRecording
duration: PT1M18S
duration ms: 78040
explicit: false
by artist: John Adams
by artist: Kent Nagano
by artist: The Opera De Lyon
by artist: London Opera Chorus
in album: John Adams: The Death Of Klinghoffer
  type: MusicAlbum
  date published: 1992
isrc code: USNO10200344
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:37:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x215cec32ba82446e396fc9eed3d82a1dca54145ce99f98c26bf26b1563a8b81f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200344
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0x215cec32ba82446e396fc9eed3d82a1dca54145ce99f98c26bf26b1563a8b81f. 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/USNO10200344 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Adams: The Death of Klinghoffer, Act I: "So I said to my grandson"
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Adams: The Death of Klinghoffer, Act I: "We are sorry for you"
type: MusicRecording
duration: PT1M22S
duration ms: 82000
explicit: false
by artist: John Adams
by artist: Kent Nagano
by artist: The Opera De Lyon
by artist: London Opera Chorus
in album: John Adams: The Death Of Klinghoffer
  type: MusicAlbum
  date published: 1992
isrc code: USNO10200345
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:47:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd76126efdf02ca7f97c89ca23afb1751b074f4912509f5fe6ef8fb272a4cfd4a
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO10200345
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 0xd76126efdf02ca7f97c89ca23afb1751b074f4912509f5fe6ef8fb272a4cfd4a. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USNO10200345 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Adams: The Death of Klinghoffer, Act I: "We are sorry for you"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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Adams: The Death of Klinghoffer, Act II: Desert Chorus
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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Adams: The Death of Klinghoffer, Act I: Night Chorus
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subject of: OpenTimestamps Proof of Existence
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Classical Heartbreakers
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track: Piano Concerto No. 1 in B Flat minor, Op.23 - I. Allegro non troppo e molto maestoso (opening)
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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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track: Adagio in G Minor (excerpt)
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track: The Heart Asks Pleasure First/The Promise (Edit)
track: Rhapsody on a Theme of Paganini, Op.43: Variation XVIII (Andante cantabile, a tempo vivace)
track: Time to Say Goodbye
track: Gianni Schicchi (1987 Digital Remaster): O mio babbino caro
track: 'Goldberg' Variations, BWV 988 (Aria with divers variations): Aria
track: Les Contes d'Hoffmann, '(The) Tales of Hoffmann' (1989 Digital Remaster): Belle nuit, ô nuit d'amour (Barcarolle)
track: Vier letzte Lieder (Four Last Songs) AV150 (Op. posth): III. Beim Schlafengehen (Hesse)
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track: Variations on an Original Theme, Op.36 'Enigma' (1986 Digital Remaster): IX. Nimrod
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track: Tosca (1997 Digital Remaster), Act II: Vissi d'arte
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track: La Wally (1997 Digital Remaster): Ebben?...Ne andrò lontana
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track: In Paradisum (Requiem Op. 48; 1893 version, ed. John Rutter)
track: Nabucco: Va pensiero (Chorus of the Hebrew Slaves - Act III)
track: My Heart Will Go On (Love Theme from the movie Titanic)
track: Rhapsody in Blue - excerpt

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date published: 2026-07-02T03:55:08Z

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  value: 0.929
additional property: Liveness
  type: PropertyValue
  value: 0.373
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.037
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.474
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

The Heart Asks Pleasure First/The Promise (Edit)
type: MusicRecording
duration: PT3M15S
duration ms: 195040
explicit: false
by artist: Michael Nyman
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBDVE9300041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:04:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6b7d23513f02cf32574d7f5423ecfc1beaa94b8f53340aa7731ebf65ad05cd6
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/GBDVE9300041
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 0xb6b7d23513f02cf32574d7f5423ecfc1beaa94b8f53340aa7731ebf65ad05cd6. 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/GBDVE9300041 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: The Heart Asks Pleasure First/The Promise (Edit)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.771
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.254
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.213
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.438
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rhapsody on a Theme of Paganini, Op.43: Variation XVIII (Andante cantabile, a tempo vivace)
type: MusicRecording
duration: PT3M2S
duration ms: 182026
explicit: false
by artist: Cecile Ousset
by artist: Sir Simon Rattle
by artist: City Of Birmingham Symphony Orchestra
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYD8400086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:11:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5aa8c61151d8559577056fdf54919d0856f762ccd0cc0a8caaa171f2623a72e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8400086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x5aa8c61151d8559577056fdf54919d0856f762ccd0cc0a8caaa171f2623a72e1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYD8400086 — a six-check JSON result.
  date published: 2026-07-02T05:09:12Z
audio: Rhapsody on a Theme of Paganini, Op.43: Variation XVIII (Andante cantabile, a tempo vivace)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.713
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.876
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.021
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Time to Say Goodbye
type: MusicRecording
duration: PT4M0S
duration ms: 240666
explicit: false
by artist: Orchestra
by artist: David Abel
by artist: Francesco Sartori
by artist: Lucio Quarantotto
by artist: Various Artists
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: musicals
isrc code: GBAYD9800299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T18:33:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xead73045e1a9c085c973a56fefe56cc75f74c3f35e0eaccb33eacac161ec70c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD9800299
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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 0xead73045e1a9c085c973a56fefe56cc75f74c3f35e0eaccb33eacac161ec70c1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAYD9800299 — a six-check JSON result.
  date published: 2026-06-13T12:53:06Z
audio: Time to Say Goodbye
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.143
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.089
  additional property: Energy
    type: PropertyValue
    value: 0.198
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.324
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gianni Schicchi (1987 Digital Remaster): O mio babbino caro
type: MusicRecording
duration: PT2M48S
duration ms: 168400
explicit: false
by artist: Sir Charles Mackerras
by artist: London Symphony Orchestra
by artist: Montserrat Caballé
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: opera
isrc code: GBAYC8700809
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:54:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc213776c85411f5e69fc54bf256b0afc5957c90e7e731658366681b266720c6
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/GBAYC8700809
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 0xdc213776c85411f5e69fc54bf256b0afc5957c90e7e731658366681b266720c6. 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/GBAYC8700809 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Gianni Schicchi (1987 Digital Remaster): O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.138
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.146
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.095
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.004
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

'Goldberg' Variations, BWV 988 (Aria with divers variations): Aria
type: MusicRecording
duration: PT3M5S
duration ms: 185826
explicit: false
by artist: Maria Tipo
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: classical-piano
isrc code: FRZ118603476
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T17:34:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8bb36162facd830fa7bd970d937dd503eed53a082c9f91c38816e918a8fc1e5
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/FRZ118603476
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 0xd8bb36162facd830fa7bd970d937dd503eed53a082c9f91c38816e918a8fc1e5. 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/FRZ118603476 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: 'Goldberg' Variations, BWV 988 (Aria with divers variations): Aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.885
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.846
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Contes d'Hoffmann, '(The) Tales of Hoffmann' (1989 Digital Remaster): Belle nuit, ô nuit d'amour (Barcarolle)
type: MusicRecording
duration: PT3M52S
duration ms: 232640
explicit: false
by artist: Jeannine Collard
by artist: André Cluytens
by artist: Elisabeth Schwarzkopf
by artist: Orchestre De La Société Des Concerts Du Conservatoire
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8901140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T04:25:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8dd51ca9800c547dd62b2461667d3b09964dd9a63b3f302bef0f4bccc61467b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22Z
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 0xa8dd51ca9800c547dd62b2461667d3b09964dd9a63b3f302bef0f4bccc61467b. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/GBAYC8901140 — a six-check JSON result.
  date published: 2026-07-30T04:47:22Z
audio: Les Contes d'Hoffmann, '(The) Tales of Hoffmann' (1989 Digital Remaster): Belle nuit, ô nuit d'amour (Barcarolle)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.995
  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: 0.119
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.878
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vier letzte Lieder (Four Last Songs) AV150 (Op. posth): III. Beim Schlafengehen (Hesse)
type: MusicRecording
duration: PT6M26S
duration ms: 386000
explicit: false
by artist: Lucia Popp
by artist: Klaus Tennstedt
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8200138
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:17:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2b7fd4db2fe7dbfa7348ac0f6654400bbae8eccee30360e5ac7f9e5e8272f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960125
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960125
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T15:38:18Z
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 0xb2b7fd4db2fe7dbfa7348ac0f6654400bbae8eccee30360e5ac7f9e5e8272f88. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/GBAYC8200138 — a six-check JSON result.
  date published: 2026-07-29T15:38:18Z
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Piano Concerto No.2 in C Minor, Op.18: II. Adagio sostenuto (excerpt)
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duration: PT4M32S
duration ms: 272800
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by artist: Cecile Ousset
by artist: City Of Birmingham Symphony Orchestra
by artist: Sir Simon Rattle
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
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Schindler's List - Theme
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duration: PT5M5S
duration ms: 305960
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by artist: New World Philharmonic Orchestra
by artist: Tasmin Little
by artist: Ian Sutherland
by artist: John Williams
in album: Classical Heartbreakers
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  date published: 2005-11-28
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additional property: OTSVerificationAPI
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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: 2026-06-13T15:41:10Z
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Variations on an Original Theme, Op.36 'Enigma' (1986 Digital Remaster): IX. Nimrod
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by artist: London Symphony Orchestra
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Variations on an Original Theme, Op.36 'Enigma' (1986 Digital Remaster): IX. Nimrod
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Suite bergamasque: Clair de lune
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duration: PT4M58S
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Suite bergamasque: Clair de lune
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Tosca (1997 Digital Remaster), Act II: Vissi d'arte
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duration ms: 184826
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by artist: Orchestre De La Société Des Concerts Du Conservatoire
by artist: Georges Prêtre
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Symphony No. 5 in C Sharp Minor: IV. Adagietto (conclusion)
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duration: PT3M10S
duration ms: 190493
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by artist: New Philharmonia Orchestra
by artist: Sir John Barbirolli
by artist: Gustav Mahler
by artist: Various Artists
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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
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  date published: 2026-07-02T03:30:09Z
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Cavatina
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by artist: Manuel Barrueco
by artist: Steve Morse
in album: Classical Heartbreakers
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f742e55ea2154efabe0411ec47d73ffc861256ee3ca8986e198ac95ce562429. 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/USAR20101069 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Cavatina
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: E
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    type: PropertyValue
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La Wally (1997 Digital Remaster): Ebben?...Ne andrò lontana
type: MusicRecording
duration: PT4M54S
duration ms: 294973
explicit: false
by artist: Tullio Serafin
by artist: Maria Callas
by artist: Philharmonia Orchestra
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: opera
isrc code: GBAYC9701163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x179ab6c3ccbd9b4a29bc4b157122282a2d212b91df5feb5da0ef95b41c62fdc0
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/GBAYC9701163
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 0x179ab6c3ccbd9b4a29bc4b157122282a2d212b91df5feb5da0ef95b41c62fdc0. 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/GBAYC9701163 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: La Wally (1997 Digital Remaster): Ebben?...Ne andrò lontana
  type: AudioObject
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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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: Key Name
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String Quintet in C, D.956 (1992 Digital Remaster): II. Adagio (opening)
type: MusicRecording
duration: PT4M40S
duration ms: 280333
explicit: false
by artist: Laslo Varga
by artist: Hungarian String Quartet
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: FRZ117206295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:01:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2e0023714aabd87299c3244d932033f5e2b6e4932d16a484ecc492626064233
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/FRZ117206295
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 0xd2e0023714aabd87299c3244d932033f5e2b6e4932d16a484ecc492626064233. 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/FRZ117206295 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: String Quintet in C, D.956 (1992 Digital Remaster): II. Adagio (opening)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.07
  additional property: Loudness (dB)
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    value: -31.681
  additional property: Key Name
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  additional property: Mode Name
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Piano Sonata No. 14 in C Sharp Minor, Op.27 No. 2 'Moonlight': I. Adagio sostenuto (excerpt)
type: MusicRecording
duration: PT3M59S
duration ms: 239000
explicit: false
by artist: Moura Lympany
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC9001591
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:38:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f87f76d502dedd4d7b8f901faf5430a95fd9569f587b7ffd313714aaefb9943
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/GBAYC9001591
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 0x8f87f76d502dedd4d7b8f901faf5430a95fd9569f587b7ffd313714aaefb9943. 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/GBAYC9001591 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Piano Sonata No. 14 in C Sharp Minor, Op.27 No. 2 'Moonlight': I. Adagio sostenuto (excerpt)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.322
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Orphée et Eurydice, ACT 3, Scène 1 (Eurydice et Orphée): Air: J'ai perdu mon Eurydice (Orphée)
type: MusicRecording
duration: PT3M32S
duration ms: 212440
explicit: false
by artist: Anne Sofie von Otter
by artist: John Eliot Gardiner
by artist: Orchestre De L'Opéra National De Lyon
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: opera
genre: classical-performance
genre: classical-mezzo-soprano
isrc code: FRZ118901300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcbc62b0a8eb4d6e1f579468e30c53af47951f328ee1f1ce15ef519edf3a94078
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118901300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0xcbc62b0a8eb4d6e1f579468e30c53af47951f328ee1f1ce15ef519edf3a94078. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FRZ118901300 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Orphée et Eurydice, ACT 3, Scène 1 (Eurydice et Orphée): Air: J'ai perdu mon Eurydice (Orphée)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Violin Concerto No.1 Mvt II:Adagio (opening)
type: MusicRecording
duration: PT4M25S
duration ms: 265533
explicit: false
by artist: Walter Susskind
by artist: Philharmonia Orchestra
by artist: Yehudi Menuhin
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
isrc code: GBAYC9704212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x88b52664745d3fdd1c985911a586d97c9ab83dd45e7cc21f99a965d20bbf6ece
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b52664745d3fdd1c985911a586d97c9ab83dd45e7cc21f99a965d20bbf6ece. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9704212 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Violin Concerto No.1 Mvt II:Adagio (opening)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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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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Etude in E Major, Op.10 No. 3
type: MusicRecording
duration: PT4M15S
duration ms: 255426
explicit: false
by artist: John Ogdon
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC9003508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9003508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0x5ecd50c43561397a4a6b81b1d17f66692743cae9789dd674027887443f514177. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAYC9003508 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Etude in E Major, Op.10 No. 3
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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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)
    type: PropertyValue
    value: -25.585
  additional property: Key Name
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  additional property: Mode Name
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Tosca (1997 Digital Remaster), Act III: E lucevan le stelle
type: MusicRecording
duration: PT3M5S
duration ms: 185600
explicit: false
by artist: Orchestre De La Société Des Concerts Du Conservatoire
by artist: Georges Prêtre
by artist: Carlo Bergonzi
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: opera
isrc code: GBAYC9701419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-24T10:00:35+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9701419
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0xd23cd11d314c8021484e3eb118cc8aff4dd2b8986391ec159d86b72166deacb9. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBAYC9701419 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Tosca (1997 Digital Remaster), Act III: E lucevan le stelle
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  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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La Traviata: Attendo, attendo...Addio del passato (Act 3)
type: MusicRecording
duration: PT3M51S
duration ms: 231000
explicit: false
by artist: Myung-Whun Chung
by artist: Kiri Te Kanawa
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: opera
isrc code: GBAYC8903760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a8ac3ca940d9c0f7a67ad44b284812940e537c6f9e37a2def549293ebe0e390
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/GBAYC8903760
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 0x4a8ac3ca940d9c0f7a67ad44b284812940e537c6f9e37a2def549293ebe0e390. 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/GBAYC8903760 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La Traviata: Attendo, attendo...Addio del passato (Act 3)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Nocturnes: C sharp minor Op. posthumous
type: MusicRecording
duration: PT4M24S
duration ms: 264893
explicit: false
by artist: Maria Tipo
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: classical-piano
isrc code: FRZ119401800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-23T11:06:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14252ec983f263a5b5656d8f9aee939745186fe4b0dcfc05b17f9d8c605e718e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957032
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957032
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401800
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T11:43:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14252ec983f263a5b5656d8f9aee939745186fe4b0dcfc05b17f9d8c605e718e. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401800 — a six-check JSON result.
  date published: 2026-07-07T11:43:09Z
audio: Nocturnes: C sharp minor Op. posthumous
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Double Violin Concerto in D minor BWV 1043: Second movement: Largo ma non tanto (opening)
type: MusicRecording
duration: PT2M36S
duration ms: 156573
explicit: false
by artist: Christian Ferras
by artist: Bath Festival Orchestra
by artist: Yehudi Menuhin
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8900787
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:31:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ffaaa057118b38915b6f3f6c650addf407dd0adf47e9cf58cd2d8636d53dded
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/GBAYC8900787
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 0x7ffaaa057118b38915b6f3f6c650addf407dd0adf47e9cf58cd2d8636d53dded. 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/GBAYC8900787 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Double Violin Concerto in D minor BWV 1043: Second movement: Largo ma non tanto (opening)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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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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Adagio for Strings, Op.11
type: MusicRecording
duration: PT6M24S
duration ms: 384506
explicit: false
by artist: Eugene Ormandy
by artist: Philadelphia Orchestra
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8500291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:16:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x275207273664437828096a387800d3d1b3fd619edb0b6bb2f7e4aa724368d8c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275207273664437828096a387800d3d1b3fd619edb0b6bb2f7e4aa724368d8c6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500291 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Adagio for Strings, Op.11
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 108.217
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.103
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
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    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.584
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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    value: Minor

The Queen Symphony: III: Adagio (Who Wants to Live Forever? - Save Me)
type: MusicRecording
duration: PT5M58S
duration ms: 358760
explicit: false
by artist: London Voices
by artist: Wandsworth School Boys Choir
by artist: Nicola Loud
by artist: Francois Rive
by artist: John Lenehan
by artist: Tolga Kashif
by artist: Royal Philharmonic Orchestra
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC0203087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T22:47:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9edb4532c7df474cd7c64c63fef97d6d02637388835e47e04599a3a086b94de4
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0203087
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 0x9edb4532c7df474cd7c64c63fef97d6d02637388835e47e04599a3a086b94de4. 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/GBAYC0203087 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: The Queen Symphony: III: Adagio (Who Wants to Live Forever? - Save Me)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.387
  additional property: Musical Key
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  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: 0.092
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.418
  additional property: Key Name
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  additional property: Mode Name
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Cello Concerto in E minor Op. 85 - I. Adagio-Moderato (opening)
type: MusicRecording
duration: PT3M48S
duration ms: 228800
explicit: false
by artist: Norman Del Mar
by artist: London Philharmonic Orchestra
by artist: Robert Cohen
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYD7800125
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:54:36+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xbea392f0847b8b54d3d6385173c96febb36007a56504860969a1e040b1242b79
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD7800125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea392f0847b8b54d3d6385173c96febb36007a56504860969a1e040b1242b79. 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/GBAYD7800125 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Cello Concerto in E minor Op. 85 - I. Adagio-Moderato (opening)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Piano Concerto No.1 in E minor Op.11 (1988 Digital Remaster): II Romance (excerpt)
type: MusicRecording
duration: PT4M8S
duration ms: 248573
explicit: false
by artist: Polish National Radio Symphony Orchestra
by artist: Jerzy Maksymiuk
by artist: Garrick Ohlsson
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8803512
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additional property: CopyrightStatus
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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
  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 0x4217f477d998886157502cfaf5d43f03d74caaf5d4512d916e1da2399460b647. 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/GBAYC8803512 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Piano Concerto No.1 in E minor Op.11 (1988 Digital Remaster): II Romance (excerpt)
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Piano Concerto No. 2 in F: Second movement: Andante
type: MusicRecording
duration: PT6M10S
duration ms: 370000
explicit: false
by artist: English Chamber Orchestra
by artist: Dmitri Alexeev
by artist: Jerzy Maksymiuk
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYD8300162
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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  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8300162
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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 0xbcae11dcd88c312278bb7ba5544a52761f9dfe09ef99825a18dab79ecff1f4e9. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBAYD8300162 — a six-check JSON result.
  date published: 2026-07-07T16:07:00Z
audio: Piano Concerto No. 2 in F: Second movement: Andante
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In Paradisum (Requiem Op. 48; 1893 version, ed. John Rutter)
type: MusicRecording
duration: PT3M28S
duration ms: 208200
explicit: false
by artist: José-Luis Garcia
by artist: English Chamber Orchestra
by artist: Choir of King's College, Cambridge
by artist: Stephen Cleobury
by artist: Peter Barley
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: salsa-venezolana
isrc code: GBAYD8800085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8800085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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 0xc1f0beca9431e95785faaba686f7ec913d51df2d0b126271cde804986b1f731c. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBAYD8800085 — a six-check JSON result.
  date published: 2026-07-07T14:04:01Z
audio: In Paradisum (Requiem Op. 48; 1893 version, ed. John Rutter)
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Nabucco: Va pensiero (Chorus of the Hebrew Slaves - Act III)
type: MusicRecording
duration: PT5M25S
duration ms: 325560
explicit: false
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Bernard Haitink
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC8900865
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900865
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 0xb0e54e4f9269c1067577d1cbe3f65d76ebc748473946830acec0edd951cf8926. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBAYC8900865 — a six-check JSON result.
  date published: 2026-07-13T07:53:33Z
audio: Nabucco: Va pensiero (Chorus of the Hebrew Slaves - Act III)
  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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    type: PropertyValue
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  additional property: Key Name
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My Heart Will Go On (Love Theme from the movie Titanic)
type: MusicRecording
duration: PT4M22S
duration ms: 262466
explicit: false
by artist: David Abel
by artist: Orchestra
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
isrc code: GBAYC9801147
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801147
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d70fbc01e6a237a8c96a3472be4e3751946935d2beb47bb8e9d9ace30ef5cf. 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/GBAYC9801147 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: My Heart Will Go On (Love Theme from the movie Titanic)
  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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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Rhapsody in Blue - excerpt
type: MusicRecording
duration: PT5M35S
duration ms: 335360
explicit: false
by artist: London Symphony Orchestra
by artist: André Previn
in album: Classical Heartbreakers
  type: MusicAlbum
  date published: 2005-11-28
genre: classical
genre: opera
genre: orchestra
genre: british-orchestra
genre: orchestral
genre: ballet
isrc code: GBAYC9803606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T14:35:53+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803606
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 0x5604adae8ef017dc0de5360f5a797bcce104ab2ff16c6cb6db4489f1d036e579. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803606 — a six-check JSON result.
  date published: 2026-07-22T15:38:35Z
audio: Rhapsody in Blue - excerpt
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.117
  additional property: Key Name
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  additional property: Mode Name
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Festival Offenbach
type: MusicAlbum
date published: 2019-04-26
track: Offenbach: La Vie parisienne: Gaîté parisienne - Can-Can No. 4 (From Orphée aux enfers)
  type: MusicRecording
  duration: PT1M7S
  duration ms: 67520
  explicit: false
  by artist: Jacques Offenbach
  by artist: Manuel Rosenthal
  by artist: Orchestre National de l'Opéra de Monte-Carlo
  in album: Festival Offenbach
    type: MusicAlbum
    date published: 2019-04-26
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-07-08T03:20:19Z
  audio: Offenbach: La Vie parisienne: Gaîté parisienne - Can-Can No. 4 (From Orphée aux enfers)
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Offenbach: La Grande-Duchesse de Gérolstein, Act 1: Overture
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224120
  explicit: false
  by artist: Jacques Offenbach
  by artist: Felicity Lott
  by artist: Sandrine Piau
  by artist: Yann Beuron
  by artist: Choeur des Musiciens du Louvre
  by artist: Les Musiciens du Louvre
  by artist: Grenoble
  by artist: Marc Minkowski
  by artist: Les Musiciens du Louvre.Grenoble
  in album: Festival Offenbach
    type: MusicAlbum
    date published: 2019-04-26
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
  isrc code: GBAYC0402545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T01:51:17+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6f4000607817e14ea07c58196b63a89afba457be3c9658590cc3bff9afe40dfa
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0402545
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4000607817e14ea07c58196b63a89afba457be3c9658590cc3bff9afe40dfa. 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/GBAYC0402545 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Offenbach: La Grande-Duchesse de Gérolstein, Act 1: Overture
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Loudness (dB)
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track: Offenbach: Les Brigands: Ouverture
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198360
  explicit: false
  by artist: Jacques Offenbach
  by artist: John Eliot Gardiner
  by artist: Orchestre de l'Opéra de Lyon
  in album: Festival Offenbach
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
  isrc code: FRZ118802739
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Offenbach: Les Brigands: Ouverture
track: Offenbach: La Vie parisienne, Act 1: "Je suis brésilien et j'ai de l'or" (Le Brésilien)

Orchestre de l'Opéra de Lyon
type: MusicGroup

Festival Offenbach
type: MusicAlbum
date published: 2019-04-26

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-06-25T22:10:59+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8b317d0b915e6e9790e4bd9993c743e031f639800a1fca222371feae53be7d4a

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ118802739

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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 0x8b317d0b915e6e9790e4bd9993c743e031f639800a1fca222371feae53be7d4a. 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/FRZ118802739 — a six-check JSON result.
date published: 2026-07-02T03:55:08Z

Offenbach: Les Brigands: Ouverture
type: AudioObject
additional property: Tempo (BPM)
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  value: 126.149
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: 0.544
additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
  value: 0.834
additional property: Instrumentalness
  type: PropertyValue
  value: 0.298
additional property: Liveness
  type: PropertyValue
  value: 0.075
additional property: Valence (Positivity)
  type: PropertyValue
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additional property: Loudness (dB)
  type: PropertyValue
  value: -21.216
additional property: Key Name
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  value: E
additional property: Mode Name
  type: PropertyValue
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Offenbach: La Vie parisienne, Act 1: "Je suis brésilien et j'ai de l'or" (Le Brésilien)
type: MusicRecording
duration: PT1M56S
duration ms: 116973
explicit: false
by artist: Jacques Offenbach
by artist: Michel Plasson
by artist: Jean Christophe Benoit
by artist: Orchestre Du Capitole De Toulouse
in album: Festival Offenbach
  type: MusicAlbum
  date published: 2019-04-26
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: FRZ117605401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:00:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe053d3cf9c229092bac5a3443e889a8c2cb2bf9baeece584ad7a1ab2e9750baa
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ117605401
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe053d3cf9c229092bac5a3443e889a8c2cb2bf9baeece584ad7a1ab2e9750baa. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/FRZ117605401 — a six-check JSON result.
  date published: 2026-07-30T18:23:33Z
audio: Offenbach: La Vie parisienne, Act 1: "Je suis brésilien et j'ai de l'or" (Le Brésilien)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Berlioz: The Complete Works
type: MusicAlbum
date published: 2019-02-01
track: Berlioz: Les Francs-Juges, Op. 3, H 23d
  type: MusicRecording
  duration: PT11M34S
  duration ms: 694653
  explicit: false
  by artist: Hector Berlioz
  by artist: London Classical Players
  by artist: Sir Roger Norrington
  in album: Berlioz: The Complete Works
    type: MusicAlbum
    date published: 2019-02-01
  popularity: 2
  genre: classical
  genre: orchestra
  isrc code: GBAYC8805771
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T13:31:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed60c12c83a503bedadbaa31beca3e74a0e860d17748e3a7735edda22c58bf3d
  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/GBAYC8805771
  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 0xed60c12c83a503bedadbaa31beca3e74a0e860d17748e3a7735edda22c58bf3d. 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/GBAYC8805771 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Berlioz: Les Francs-Juges, Op. 3, H 23d
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 147.109
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.084
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.769
    additional property: Key Name
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    additional property: Mode Name
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      value: Major
track: Berlioz: Overture "Waverley", Op. 1, H. 26
  type: MusicRecording
  duration: PT10M18S
  duration ms: 618800
  explicit: false
  by artist: Hector Berlioz
  by artist: Sir Adrian Boult
  by artist: London Philharmonic Orchestra
  in album: Berlioz: The Complete Works
    type: MusicAlbum
    date published: 2019-02-01
  popularity: 1
  genre: classical
  genre: orchestra
  isrc code: GBAYC1801482
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:11:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe8af6f34a37f7186091106ae2c6894f16d2a914a3c2ecd059a3a7101d2cd12f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1801482
  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 0xfe8af6f34a37f7186091106ae2c6894f16d2a914a3c2ecd059a3a7101d2cd12f. 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/GBAYC1801482 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Berlioz: Overture "Waverley", Op. 1, H. 26
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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: Valence (Positivity)
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    additional property: Loudness (dB)
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Les plus grands airs d'opéra
type: MusicAlbum
date published: 2024-03-02
track: Lakmé, Act I: Dôme épais le jasmin à la rose s'assemble (Lakmé, Mallika)
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287760
  explicit: false
  by artist: Léo Delibes
  by artist: Michel Plasson
  by artist: Delphine Haidan
  by artist: Orchestre National Du Capitole De Toulouse
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    type: MusicAlbum
    date published: 2024-03-02
  genre: classical
  isrc code: FRZ119702750
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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/FRZ119702750
  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 0xed02b02399d7c874931e0ac52e0ace87a800f0047314dd25d7b770245a9c5260. 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/FRZ119702750 — a six-check JSON result.
    date published: 2026-07-06T06:56:49Z
  audio: Lakmé, Act I: Dôme épais le jasmin à la rose s'assemble (Lakmé, Mallika)
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    additional property: Tempo (BPM)
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      value: 142.16
    additional property: Musical Key
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    date published: 2026-07-08T03:20:19Z
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track: Il Giustino, RV 717, Act I: Vedrò con mio diletto (Anastasio)
track: L'Elisir d'amore, Act II: Una furtiva lagrima (Nemorino)
track: Rinaldo, HWV 7a, Act II: Lascia ch'io pianga (Almirena)
track: Don Giovanni, K. 527, Act II: Non mir dir (Donna Anna)
track: Tosca, Act III: E lucevan le stelle (Cavaradossi)
track: Il Xerse, Act I: Ombra mai fu (Xerse)
track: Il Barbiere di Siviglia, Act I: Largo al factotum
track: Carmen, WD 31, Act I: L'amour est un oiseau rebelle (Habanera) [Carmen]
track: Il trovatore, Act III: "Di quella pira l'orrendo foco" (Manrico, Ruiz, Chorus)
track: Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
track: Orphée et Eurydice, Wq. 41, Act III Scène 1: Air: "J'ai perdu mon Eurydice" (Orphée)
track: Tosca, Act II: Vissi d'arte (Tosca)
track: Le Nozze di Figaro, K. 492, Act II: "Voi, che sapete" (Cherubino)
track: Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
track: Gianni Schicchi: O mio babbino caro
track: Faust, CG 4, Act III: Les grands seigneurs ... Ah ! je ris de me voir si belle (Marguerite)
track: Turandot, SC 91, Act III: Nessun dorma (Arr. Jérôme Ducros)
track: Lakmé, Act I: Viens, Mallika (Lakmé, Mallika)
track: Norma, Act I: Casta Diva
track: Tannhäuser, WWV 70, Act II: Dich, teure Halle, grüss' ich wieder
track: Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre dans le rêve (Juliette)
track: Amadigi di Gaula, HWV 11, Act II: Pena tiranna
track: La Bohème, SC 67, Act I: Sì. Mi chiamano Mimì (Mimì, Rodolfo)
track: La Périchole: Act I: Vous a-t-on dit souvent [Piquillo, La Périchole]
track: Les Troyens, H. 133, Act V: Adieu, fière cité (Didon)
track: Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
track: Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre à ta voix (Dalila, Samson)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Turandot, SC 91, Act III: Nessun dorma! (Calaf, Chorus)
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Il Giustino, RV 717, Act I: Vedrò con mio diletto (Anastasio)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:09:33Z
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Rinaldo, HWV 7a, Act II: Lascia ch'io pianga (Almirena)
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subject of: OpenTimestamps Proof of Existence
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Don Giovanni, K. 527, Act II: Non mir dir (Donna Anna)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac20879786de8ba4abf54df93057cd2f0da3358d8f4ec7c426be547494cc643. 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/GBAYC1400538 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Don Giovanni, K. 527, Act II: Non mir dir (Donna Anna)
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Tosca, Act III: E lucevan le stelle (Cavaradossi)
type: MusicRecording
duration: PT2M47S
duration ms: 167000
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Giuseppe Di Stefano
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
isrc code: GBAYC1450109
additional property: CopyrightID
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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/GBAYC1450109
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x804aeb8b3d935c3f5793c20c3e1e07aef9bee04cac2cb0fb833a11d9b06bbded. 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/GBAYC1450109 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tosca, Act III: E lucevan le stelle (Cavaradossi)
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Il Xerse, Act I: Ombra mai fu (Xerse)
type: MusicRecording
duration: PT3M19S
duration ms: 199120
explicit: false
by artist: Francesco Cavalli
by artist: Philippe Jaroussky
by artist: Artaserse
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: choral
isrc code: GBAYC1801546
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1801546
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 0xab4d9643d0f1d242c2300cab25247cdd4fc05ed074f46aead2a850ffe3c5b2fc. 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/GBAYC1801546 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Il Xerse, Act I: Ombra mai fu (Xerse)
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  additional property: Danceability
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Il Barbiere di Siviglia, Act I: Largo al factotum
type: MusicRecording
duration: PT4M39S
duration ms: 279053
explicit: false
by artist: Gioachino Rossini
by artist: Sir Roger Norrington
by artist: Thomas Hampson
by artist: Saint Luke's Chamber Ensemble
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: opera
isrc code: GBAYC9202948
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
  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 0x26712d9352fbfc3500a54e75b86c12824546b2fdfbe8a9ddb3d0990e3a29ca86. 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/GBAYC9202948 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia, Act I: Largo al factotum
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Carmen, WD 31, Act I: L'amour est un oiseau rebelle (Habanera) [Carmen]
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duration: PT4M4S
duration ms: 244906
explicit: false
by artist: Georges Bizet
by artist: Georges Prêtre
by artist: Maria Callas
by artist: Orchestre national de la radiodiffusion française
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: opera
isrc code: GBAYC1400548
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
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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 0x9b4b2bc6bfac8f18ed6c8a09668d3450e787d59fba8319d5902131578229d69a. 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/GBAYC1400548 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Carmen, WD 31, Act I: L'amour est un oiseau rebelle (Habanera) [Carmen]
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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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Il trovatore, Act III: "Di quella pira l'orrendo foco" (Manrico, Ruiz, Chorus)
type: MusicRecording
duration: PT3M14S
duration ms: 194893
explicit: false
by artist: Giuseppe Verdi
by artist: Herbert von Karajan
by artist: Giuseppe Di Stefano
by artist: Renato Ercolani
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Coro Del Teatro Alla Scala Di Milano
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: opera
isrc code: GBAYC1400771
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
  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 0xd50f01ce4a3557e4a03a3a4bf5174f267cb6e6cac93d80090259cf01cfc906d5. 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/GBAYC1400771 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Il trovatore, Act III: "Di quella pira l'orrendo foco" (Manrico, Ruiz, Chorus)
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  additional property: Tempo (BPM)
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  additional property: Danceability
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Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
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duration: PT4M20S
duration ms: 260733
explicit: false
by artist: George Frideric Handel
by artist: Philippe Jaroussky
by artist: Ensemble Artaserse
in album: Les plus grands airs d'opéra
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  date published: 2024-03-02
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: CopyrightID
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841a05dc138cf54f45ca3af401f5ead05355122591b425eab65d95e552676ed7. 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/GBAYC1701999 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, re d'Egitto, HWV 25, Act III: Stille amare (Tolomeo)
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  additional property: Mode (Major/Minor)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.44
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Orphée et Eurydice, Wq. 41, Act III Scène 1: Air: "J'ai perdu mon Eurydice" (Orphée)
type: MusicRecording
duration: PT3M29S
duration ms: 209813
explicit: false
by artist: Christoph Willibald Gluck
by artist: John Eliot Gardiner
by artist: Anne Sofie von Otter
by artist: Orchestre De L'Opéra National De Lyon
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: opera
isrc code: FRZ118901300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcbc62b0a8eb4d6e1f579468e30c53af47951f328ee1f1ce15ef519edf3a94078
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/FRZ118901300
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 0xcbc62b0a8eb4d6e1f579468e30c53af47951f328ee1f1ce15ef519edf3a94078. 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/FRZ118901300 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Orphée et Eurydice, Wq. 41, Act III Scène 1: Air: "J'ai perdu mon Eurydice" (Orphée)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.529
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.264
  additional property: Energy
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  additional property: Speechiness
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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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  additional property: Key Name
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Tosca, Act II: Vissi d'arte (Tosca)
type: MusicRecording
duration: PT3M18S
duration ms: 198693
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Maria Callas
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
isrc code: GBAYC1402627
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:37:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96a2b1d01aea554055a9c28eefb824235352cf4a70068d3e1158dc49d526168e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1402627
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x96a2b1d01aea554055a9c28eefb824235352cf4a70068d3e1158dc49d526168e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1402627 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Tosca, Act II: Vissi d'arte (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 107.742
  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: 0.192
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.379
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Le Nozze di Figaro, K. 492, Act II: "Voi, che sapete" (Cherubino)
type: MusicRecording
duration: PT2M50S
duration ms: 170093
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Leonard Slatkin
by artist: Lucia Popp
by artist: Münchner Rundfunkorchester
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEA340703565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9c110cd1c5a3643c22296ae39ec2e85f3d38fc2a07a20c9f8c68da2d2d28f10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/DEA340703565
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 0xa9c110cd1c5a3643c22296ae39ec2e85f3d38fc2a07a20c9f8c68da2d2d28f10. 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/DEA340703565 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Le Nozze di Figaro, K. 492, Act II: "Voi, che sapete" (Cherubino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.828
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.385
  additional property: Energy
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    value: 0.156
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.977
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
type: MusicRecording
duration: PT2M50S
duration ms: 170453
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Wolfgang Brendel
by artist: Bavarian Radio Symphony Orchestra
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: GBAYC8100280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T17:59:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25a923fa23012e86bf4314f14b62cd5b94e4bea52526e1130ea95d3a3d7b9334
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/GBAYC8100280
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 0x25a923fa23012e86bf4314f14b62cd5b94e4bea52526e1130ea95d3a3d7b9334. 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/GBAYC8100280 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act I: Der Vogelfänger bin ich ja (Papageno)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.319
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.448
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT2M45S
duration ms: 165373
explicit: false
by artist: Giacomo Puccini
by artist: Sir Charles Mackerras
by artist: Montserrat Caballé
by artist: London Symphony Orchestra
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
isrc code: GBAYC9502536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:12:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc383b9639a4ce3462198799260eabb5649eb7fc58238390d4b6cebc91851fc6d
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/GBAYC9502536
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 0xc383b9639a4ce3462198799260eabb5649eb7fc58238390d4b6cebc91851fc6d. 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/GBAYC9502536 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.634
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.762
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Faust, CG 4, Act III: Les grands seigneurs ... Ah ! je ris de me voir si belle (Marguerite)
type: MusicRecording
duration: PT6M24S
duration ms: 384813
explicit: false
by artist: Charles Gounod
by artist: Michael Schønwandt
by artist: Elsa Dreisig
by artist: Orchestre national de Montpellier Occitanie
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
genre: opera
isrc code: GBAYC1800961
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:02:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfacc71e46ca22f32c3182559c785c0fdcb41aab386c4ed349b5913cc4bd829ae
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/GBAYC1800961
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 0xfacc71e46ca22f32c3182559c785c0fdcb41aab386c4ed349b5913cc4bd829ae. 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/GBAYC1800961 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Faust, CG 4, Act III: Les grands seigneurs ... Ah ! je ris de me voir si belle (Marguerite)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.067
  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: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.146
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.518
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Turandot, SC 91, Act III: Nessun dorma (Arr. Jérôme Ducros)
type: MusicRecording
duration: PT2M52S
duration ms: 172173
explicit: false
by artist: Giacomo Puccini
by artist: Johanna Malangré
by artist: Gautier Capuçon
by artist: Orchestre national de Bretagne
in album: Les plus grands airs d'opéra
  type: MusicAlbum
  date published: 2024-03-02
isrc code: GBAYC2200159
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T04:02:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe458a4294bd82518d4c3a9d89dac247178ded92efbcdd793c8b07044d5145ee3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200159
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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Lakmé, Act I: Viens, Mallika (Lakmé, Mallika)
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  date published: 2026-07-08T03:20:19Z
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Norma, Act I: Casta Diva
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  date published: 2026-07-31T21:25:57Z
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Tannhäuser, WWV 70, Act II: Dich, teure Halle, grüss' ich wieder
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  date published: 2026-07-31T09:25:34Z
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Roméo et Juliette, CG 9, Act I: Ah! Je veux vivre dans le rêve (Juliette)
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  date published: 2026-07-08T03:20:19Z
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Amadigi di Gaula, HWV 11, Act II: Pena tiranna
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  date published: 2026-07-08T03:20:19Z
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La Bohème, SC 67, Act I: Sì. Mi chiamano Mimì (Mimì, Rodolfo)
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subject of: OpenTimestamps Proof of Existence
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La Périchole: Act I: Vous a-t-on dit souvent [Piquillo, La Périchole]
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La Périchole: Act I: Vous a-t-on dit souvent [Piquillo, La Périchole]
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Les Troyens, H. 133, Act V: Adieu, fière cité (Didon)
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by artist: John Nelson
by artist: Joyce DiDonato
by artist: Orchestre Philharmonique De Strasbourg
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
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by artist: Wolfgang Amadeus Mozart
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by artist: Elisabeth Schwarzkopf
by artist: Philharmonia Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Le Nozze di Figaro, K. 492, Act II: Voi che sapete (Cherubino)
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Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre à ta voix (Dalila, Samson)
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by artist: Olga Borodina
by artist: London Symphony Orchestra
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genre: classical
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: Samson et Dalila, Op. 47, Act II: Mon coeur s'ouvre à ta voix (Dalila, Samson)
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Zeit für große Opern
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date published: 2012-01-01
track: Puccini : Turandot : Act 3 "Nessun dorma" [Calaf]
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T23:23:05Z
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Baroque Song
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date published: 2017-04-14

Suite symphonique de « Claude »/VI. Bacchanale de la mort
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date published: 2017-04-21

Baroque Song pour orchestre/I. Vivacissimo
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De l'opéra à la chanson
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  by artist: Berliner Symphoniker
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    date published: 2014-11-17
  popularity: 1
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Delibes: Lakmé, Act III: "Tu m'as donné le plus doux rêve" (Lakmé, Gerald, Nilakantha)
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  subject of: OpenTimestamps Proof of Existence
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track: Verdi: La Traviata, Act 1: "È strano! È strano!...Ah, fors' è lui... Follie follie... Sempre libera" (Violetta) - extract
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  audio: Verdi: La Traviata, Act 1: "È strano! È strano!...Ah, fors' è lui... Follie follie... Sempre libera" (Violetta) - extract
track: Verdi: Rigoletto, Act I: "Gualtier Maldé" - "Caro nome" (Gilda, Borsa, Ceprano, Coro, Marullo)
track: Bellini: La Sonnambula, Act II: "Ah! no credea mirarti" (Amina/Teresa/Rodolfo/Elvino/Alessio/Coro)
track: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
track: Les Indes galantes : Les Sauvages - Danse du Calumet de la Paix et duo Forêts paisibles
track: Handel: Dixit Dominus, HWV 232: VII. De torrente in via bibet
track: Debussy: Nuit d'étoiles, CD 2, L. 4
track: Jobim / Arr Kadishson: Les Eaux de Mars
track: Arlen: Somewhere Over the Rainbow (from "The Wizard of Oz")
track: Legrand: Les moulins de mon coeur (from the movie The Thomas Crown Affair)

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date published: 2026-07-08T03:20:19Z

Verdi: La Traviata, Act 1: "È strano! È strano!...Ah, fors' è lui... Follie follie... Sempre libera" (Violetta) - extract
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Verdi: Rigoletto, Act I: "Gualtier Maldé" - "Caro nome" (Gilda, Borsa, Ceprano, Coro, Marullo)
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  date published: 2026-07-31T08:26:41Z
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Bellini: La Sonnambula, Act II: "Ah! no credea mirarti" (Amina/Teresa/Rodolfo/Elvino/Alessio/Coro)
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  date published: 2026-07-31T08:26:41Z
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Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
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  date published: 2026-07-08T03:22:41Z
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Les Indes galantes : Les Sauvages - Danse du Calumet de la Paix et duo Forêts paisibles
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Handel: Dixit Dominus, HWV 232: VII. De torrente in via bibet
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0024308eb86554a272107f12257b721482b7a295eaf9d84565760ea0847315c1. 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/GBAYC0704298 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Handel: Dixit Dominus, HWV 232: VII. De torrente in via bibet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.731
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.188
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.173
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Debussy: Nuit d'étoiles, CD 2, L. 4
type: MusicRecording
duration: PT3M2S
duration ms: 182433
explicit: false
by artist: Claude Debussy
by artist: Natalie Dessay
by artist: Philippe Cassard
in album: De l'opéra à la chanson
  type: MusicAlbum
  date published: 2014-11-17
popularity: 1
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: GBAYC1105217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:23:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37e6717a0eee24d329c358dcb257c8e76960c422ab3ceb6d12fdc7f7a85cdc8f
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/GBAYC1105217
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 0x37e6717a0eee24d329c358dcb257c8e76960c422ab3ceb6d12fdc7f7a85cdc8f. 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/GBAYC1105217 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Debussy: Nuit d'étoiles, CD 2, L. 4
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.968
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.213
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.012
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Jobim / Arr Kadishson: Les Eaux de Mars
type: MusicRecording
duration: PT3M29S
duration ms: 209400
explicit: false
by artist: Antônio Carlos Jobim
by artist: Liat Cohen
by artist: Agnès Jaoui
by artist: Helena Noguerra
by artist: Natalie Dessay
in album: De l'opéra à la chanson
  type: MusicAlbum
  date published: 2014-11-17
popularity: 1
isrc code: GBAYC1400001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:36:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c4e3bdf7f1100b7b9cf98d2699f6f39228be0f575e084ae8986afc1e6066ddd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
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 0x3c4e3bdf7f1100b7b9cf98d2699f6f39228be0f575e084ae8986afc1e6066ddd. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBAYC1400001 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Jobim / Arr Kadishson: Les Eaux de Mars
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.577
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.283
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.293
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.437
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Arlen: Somewhere Over the Rainbow (from "The Wizard of Oz")
type: MusicRecording
duration: PT6M46S
duration ms: 406868
explicit: false
by artist: Harold Arlen
by artist: Quatuor Ébène
in album: De l'opéra à la chanson
  type: MusicAlbum
  date published: 2014-11-17
popularity: 1
isrc code: GBAYC1001220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:51:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f16a294e766c6d79be065237fb3550be0c3f23f911119f0b9a3efe8bbca1767
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/GBAYC1001220
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 0x5f16a294e766c6d79be065237fb3550be0c3f23f911119f0b9a3efe8bbca1767. 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/GBAYC1001220 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Arlen: Somewhere Over the Rainbow (from "The Wizard of Oz")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.866
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.157
  additional property: Energy
    type: PropertyValue
    value: 0.178
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.736
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Legrand: Les moulins de mon coeur (from the movie The Thomas Crown Affair)
type: MusicRecording
duration: PT3M6S
duration ms: 186211
explicit: false
by artist: Michel Legrand
by artist: Natalie Dessay
by artist: Eddy Marnay
by artist: François Laizeau
by artist: Pierre Boussaguet
in album: De l'opéra à la chanson
  type: MusicAlbum
  date published: 2014-11-17
popularity: 2
isrc code: GBAYC1302306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:12:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30eb9ba3c735bdcd67ce80a9d5f202d86875d01c933eed028e77f851b72dd745
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/GBAYC1302306
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 0x30eb9ba3c735bdcd67ce80a9d5f202d86875d01c933eed028e77f851b72dd745. 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/GBAYC1302306 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Legrand: Les moulins de mon coeur (from the movie The Thomas Crown Affair)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.598
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.52
  additional property: Energy
    type: PropertyValue
    value: 0.295
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.37
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.573
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

ReJOYCE!
type: MusicAlbum
date published: 2013-08-26
track: Handel: Serse, HWV 40, Act 1, Scene 1: Accompagnato. "Frondi tenere" - Arioso. "Ombra mai fù" (Serse)
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224653
  explicit: false
  by artist: George Frideric Handel
  by artist: Joyce DiDonato
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: ReJOYCE!
    type: MusicAlbum
    date published: 2013-08-26
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC1301902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:09:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5a90f2843394c64ce5eec39a2157a00360189d726414dee234ea457c66c14a32
  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/GBAYC1301902
  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 0x5a90f2843394c64ce5eec39a2157a00360189d726414dee234ea457c66c14a32. 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/GBAYC1301902 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Handel: Serse, HWV 40, Act 1, Scene 1: Accompagnato. "Frondi tenere" - Arioso. "Ombra mai fù" (Serse)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.537
    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: 0.261
    additional property: Energy
      type: PropertyValue
      value: 0.095
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.949
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.806
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Handel: Serse, HWV 40, Act 3, Scene 11: Aria. "Crude furie degl'orridi abissi" (Serse)
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222560
  explicit: false
  by artist: George Frideric Handel
  by artist: Joyce DiDonato
  by artist: Les Talens Lyriques
  by artist: Christophe Rousset
  in album: ReJOYCE!
    type: MusicAlbum
    date published: 2013-08-26
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC0801982
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe67e2b64c400fb5a35ae948bd2954d09174832080802e2736cb56fe04d88696
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960368
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960368
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0801982
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:26:41Z
  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 0xfe67e2b64c400fb5a35ae948bd2954d09174832080802e2736cb56fe04d88696. 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/GBAYC0801982 — a six-check JSON result.
    date published: 2026-07-31T08:26:41Z
  audio: Handel: Serse, HWV 40, Act 3, Scene 11: Aria. "Crude furie degl'orridi abissi" (Serse)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.382
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.563
    additional property: Energy
      type: PropertyValue
      value: 0.192
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.951
    additional property: Instrumentalness
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  by artist: Joyce DiDonato
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
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    date published: 2013-08-26
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
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  genre: german-baroque
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track: Handel: Ariodante, HWV 33, Act 2: Aria. "Scherza infida!" (Ariodante)
track: Giacomelli: Merope: "Sposa, son disprezzata" (Merope)

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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

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date published: 2026-07-08T03:20:19Z

Handel: Rodelinda, HWV 19, Act 2, Scene 7: Duetto. "Io t'abraccio" (Rodelinda, Bertarido)
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Handel: Ariodante, HWV 33, Act 2: Aria. "Scherza infida!" (Ariodante)
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duration: PT9M57S
duration ms: 597266
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by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Joyce DiDonato
in album: ReJOYCE!
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T20:22:46Z
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Giacomelli: Merope: "Sposa, son disprezzata" (Merope)
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duration: PT8M47S
duration ms: 527866
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by artist: Geminiano Giacomelli
by artist: Joyce DiDonato
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: ReJOYCE!
  type: MusicAlbum
  date published: 2013-08-26
isrc code: GBAYC1203286