Carol Vaness
type: MusicGroup
genre: opera
description: thumb|Carol Vaness, American soprano Carol Theresa Vaness (born July 27, 1952) is an American lirico-spinto soprano and university professor. Early life and education Vaness was born in San Diego and
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      date published: 2026-07-08T03:53:27Z
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  track: Tosca / Act 2: "Meno male!" - "Egli è là"
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  track: Tosca / Act 2: "Nel pozzo del giardino. Va, Spoletta!" - "Eccelenza, quali nuove!" - "Vittoria!"
  track: Tosca / Act 2: "Vissi d'arte, vissi d'amore"
  track: Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
  track: Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
  track: Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
  track: Tosca / Act 3: Prelude - "Io de' sospiri"
  track: Tosca / Act 3: Introduzione all' aria
  track: Tosca / Act 3: "E lucevan le stelle"
  track: Tosca / Act 3: "Franchigia a Floria Tosca"
  track: Tosca / Act 3: "O dolci mani"
  track: Tosca / Act 3: "Amaro sol per te m'era il morire"
  track: Tosca / Act 3: "L'ora!" - "Son pronto"
album: Rossini: Stabat Mater
album: Mozart: Le nozze di Figaro, K. 492 (Highlights)
album: Mozart: Le nozze di Figaro, K. 492
album: Beethoven: Moonlight Sonata and Other Masterpieces
album: The Essential Benjamin Britten
album: Zen voices
album: 100 Best Beethoven
album: Sacred Treasures
album: Choral Music
album: 100 Best Opera Classics
album: Mozart: Cosi fan tutte
album: LPO Plays Mozart
album: Opera Classics
album: Life of Mozart
album: 100 Best Mozart
album: Mozart: The Da Ponte Operas. Le nozze di Figaro, Don Giovanni & Così fan tutte
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Tosca / Act 2: "Vissi d'arte, vissi d'amore"
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  date published: 1993-06-07
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  date published: 2026-07-06T06:56:49Z
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Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Tosca / Act 2: "Nel pozzo del giardino. Va, Spoletta!" - "Eccelenza, quali nuove!" - "Vittoria!"
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Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
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  date published: 1993-06-07
popularity: 4
isrc code: NLA508906212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:15:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0935d79f23d8e94648fd6e46c7c44b74995b45a7d907e9d1cf10e6ca719f7e5
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/NLA508906212
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0935d79f23d8e94648fd6e46c7c44b74995b45a7d907e9d1cf10e6ca719f7e5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906212.
  date published: 2026-07-08T03:20:19Z
audio: Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.018
  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.134
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.28
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
type: MusicRecording
duration: PT4M22S
duration ms: 262040
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giorgio Zancanaro
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:18:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c8e7bd69ec352b39191fe3bb09e3378114dc967476d73f8d47955bc77b33dce
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/NLA508906213
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8e7bd69ec352b39191fe3bb09e3378114dc967476d73f8d47955bc77b33dce. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906213.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.719
  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: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.872
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
type: MusicRecording
duration: PT4M6S
duration ms: 246760
explicit: false
by artist: Giacomo Puccini
by artist: Giorgio Zancanaro
by artist: Piero de Palma
by artist: Westminster Symphonic Choir
by artist: Philadelphia Boys Choir
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 7
isrc code: NLA508906214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:32:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x975e55ced3d443f505540b2b783b053707c927232c58f670610582e51d5dcd7c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T21:37:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975e55ced3d443f505540b2b783b053707c927232c58f670610582e51d5dcd7c. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:37:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906214.
  date published: 2026-07-21T21:37:34Z
audio: Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.974
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.677
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.755
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tosca / Act 3: Prelude - "Io de' sospiri"
type: MusicRecording
duration: PT6M43S
duration ms: 403666
explicit: false
by artist: Giacomo Puccini
by artist: Jeffrey Smith
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:51:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb07b95462cb26a4b8b0a0779a1597968dd4e6a2e7e75c8a9dcb08b8051202b08
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/NLA508906229
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07b95462cb26a4b8b0a0779a1597968dd4e6a2e7e75c8a9dcb08b8051202b08. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906229.
  date published: 2026-07-08T03:53:27Z
audio: Tosca / Act 3: Prelude - "Io de' sospiri"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.383
  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: 0.162
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.658
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.454
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: Introduzione all' aria
type: MusicRecording
duration: PT1M6S
duration ms: 66693
explicit: false
by artist: Giacomo Puccini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:55:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e39154ab40c97f431b57e54ee2142ba752d49abcc891d76e25445917a7f37af
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/NLA508906231
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e39154ab40c97f431b57e54ee2142ba752d49abcc891d76e25445917a7f37af. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906231.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 3: Introduzione all' aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.68
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.828
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.368
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.922
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: "E lucevan le stelle"
type: MusicRecording
duration: PT3M3S
duration ms: 183840
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 9
isrc code: NLA508906232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T11:06:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed570b3e30cfd56219fb4be6ead50a874566dd7be217748b6a14563a47231770
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957065
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:43:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed570b3e30cfd56219fb4be6ead50a874566dd7be217748b6a14563a47231770. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906232.
  date published: 2026-07-07T16:43:21Z
audio: Tosca / Act 3: "E lucevan le stelle"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.977
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.167
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.142
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tosca / Act 3: "Franchigia a Floria Tosca"
type: MusicRecording
duration: PT2M54S
duration ms: 174000
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6524fb42e68d790946d68542c4bfb871e25a4e5813f062b43f94ddcdee37dc25
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/NLA508906233
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6524fb42e68d790946d68542c4bfb871e25a4e5813f062b43f94ddcdee37dc25. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906233.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 3: "Franchigia a Floria Tosca"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.223
  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: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.151
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: "O dolci mani"
type: MusicRecording
duration: PT1M28S
duration ms: 88760
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
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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: Tosca / Act 3: "O dolci mani"
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by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
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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: Tosca / Act 3: "Amaro sol per te m'era il morire"
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Tosca / Act 3: "L'ora!" - "Son pronto"
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by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Charles Austin
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Tosca / Act 3: "L'ora!" - "Son pronto"
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Rossini: Stabat Mater
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Mozart: Le nozze di Figaro, K. 492 (Highlights)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
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track: Le nozze di Figaro, K. 492, Act I: Duettino. Cinque… dieci…
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-22T01:29:41Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Le nozze di Figaro, K. 492, Act I: Duettino. Se a caso madama
track: Le nozze di Figaro, K. 492, Act I: Aria. La vendetta, oh, la vendetta
track: Le nozze di Figaro, K. 492, Act I: Duettino. Via, resti servita, madama brillante
track: Le nozze di Figaro, K. 492, Act I: Terzetto. Cosa sento!
track: Le nozze di Figaro, K. 492, Act I: Recitativo. Basilio, in traccia tosto
track: Le nozze di Figaro, K. 492, Act I: Coro. Giovani liete (1)
track: Le nozze di Figaro, K. 492, Act I: Recitativo. Cos'è questa commedia?
track: Le nozze di Figaro, K. 492, Act I: Recitativo. Evviva!
track: Le nozze di Figaro, K. 492, Act I: Aria. Non più andrai
track: Le nozze di Figaro, K. 492, Act II: Cavatina. Porgi, amor
track: Le nozze di Figaro, K. 492, Act II: Recitativo. Quanto duolmi, Susanna
track: Le nozze di Figaro, K. 492, Act II: Arietta. Voi che sapete
track: Le nozze di Figaro, K. 492, Act II: Recitativo. Bravo, che bella voce
track: Le nozze di Figaro, K. 492, Act II: Finale. Esci ormai
track: Le nozze di Figaro, K. 492, Act III: Aria. Vedrò, mentr'io sospiro
track: Le nozze di Figaro, K. 492, Act III: Recitativo. È decisa la lite
track: Le nozze di Figaro, K. 492, Act III: Recitativo. Eccovi, o caro amico
track: Le nozze di Figaro, K. 492, Act III: Recitativo. E Susanna non vien!
track: Le nozze di Figaro, K. 492, Act III: Aria. Dove sono

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

Le nozze di Figaro, K. 492, Act I: Duettino. Se a caso madama
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Le nozze di Figaro, K. 492, Act I: Aria. La vendetta, oh, la vendetta
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act I: Aria. La vendetta, oh, la vendetta
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Le nozze di Figaro, K. 492, Act I: Duettino. Via, resti servita, madama brillante
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by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Nuccia Focile
by artist: Suzanne Murphy
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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
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 I: Duettino. Via, resti servita, madama brillante
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Le nozze di Figaro, K. 492, Act I: Terzetto. Cosa sento!
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by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Nuccia Focile
by artist: Alessandro Corbelli
by artist: Ryland Davies
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genre: classical
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act I: Terzetto. Cosa sento!
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Le nozze di Figaro, K. 492, Act I: Recitativo. Basilio, in traccia tosto
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by artist: Wolfgang Amadeus Mozart
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by artist: Sir Charles Mackerras
by artist: Nuccia Focile
by artist: Susanne Mentzer
by artist: Alessandro Corbelli
by artist: Ryland Davies
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genre: classical
genre: classical-era
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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: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act I: Recitativo. Basilio, in traccia tosto
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Le nozze di Figaro, K. 492, Act I: Coro. Giovani liete (1)
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by artist: Sir Charles Mackerras
by artist: Scottish Chamber Orchestra Chorus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act I: Coro. Giovani liete (1)
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Le nozze di Figaro, K. 492, Act I: Recitativo. Cos'è questa commedia?
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genre: classical
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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: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act I: Recitativo. Cos'è questa commedia?
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Le nozze di Figaro, K. 492, Act I: Recitativo. Evviva!
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duration: PT1M14S
duration ms: 74640
explicit: false
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by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Nuccia Focile
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by artist: Alessandro Corbelli
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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: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act I: Recitativo. Evviva!
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Le nozze di Figaro, K. 492, Act I: Aria. Non più andrai
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by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Alastair Miles
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genre: classical
genre: classical-era
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1336eab0d2ca94155682b41d26b852bd6abbbf57f4d87eef2bd8960cf0b85576. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-21T16:57:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10422388.
  date published: 2026-07-21T16:57:23Z
audio: Le nozze di Figaro, K. 492, Act I: Aria. Non più andrai
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Le nozze di Figaro, K. 492, Act II: Cavatina. Porgi, amor
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duration: PT3M38S
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by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Carol Vaness
in album: Mozart: Le nozze di Figaro, K. 492
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genre: classical
genre: classical-era
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10423388
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd762598311d99da216f82d6b2866a20b051830072c2bafa2a4798a2b669f072f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10423388.
  date published: 2026-07-02T11:38:34Z
audio: Le nozze di Figaro, K. 492, Act II: Cavatina. Porgi, amor
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Le nozze di Figaro, K. 492, Act II: Recitativo. Quanto duolmi, Susanna
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duration: PT1M24S
duration ms: 84773
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by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Carol Vaness
by artist: Nuccia Focile
by artist: Susanne Mentzer
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 1995-05-23
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5133f75a281ecfe95dddd2923560c420a52ad275644198c51136cec005c40b68. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10425388.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act II: Recitativo. Quanto duolmi, Susanna
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Le nozze di Figaro, K. 492, Act II: Arietta. Voi che sapete
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duration: PT2M59S
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explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Susanne Mentzer
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
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genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452be577883e5edf1e94534dd784992aeee15099427489931659220f45e5d8f9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10426388.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492, Act II: Arietta. Voi che sapete
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Le nozze di Figaro, K. 492, Act II: Recitativo. Bravo, che bella voce
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duration: PT1M8S
duration ms: 68866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Nuccia Focile
by artist: Carol Vaness
by artist: Susanne Mentzer
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 1995-05-23
genre: classical
genre: classical-era
isrc code: USTE10427388
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x978102c26754dda53e857401159ac57a14b81ff8efa767551a1a41cc9ad46d2a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10427388.
  date published: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act II: Recitativo. Bravo, che bella voce
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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
    type: PropertyValue
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  additional property: Loudness (dB)
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Le nozze di Figaro, K. 492, Act II: Finale. Esci ormai
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duration: PT19M5S
duration ms: 1145973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Nuccia Focile
by artist: Carol Vaness
by artist: Suzanne Murphy
by artist: Susanne Mentzer
by artist: Ryland Davies
by artist: Alfonso Antoniozzi
by artist: Alessandro Corbelli
by artist: Alastair Miles
in album: Mozart: Le nozze di Figaro, K. 492
  type: MusicAlbum
  date published: 1995-05-23
genre: classical
genre: classical-era
isrc code: USTE10436388
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10436388
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc263e18b82d44cb4d8024c6f95da74950004cdf3a9958d94abbd6dfa42c8dcc. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10436388.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act II: Finale. Esci ormai
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  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Instrumentalness
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Le nozze di Figaro, K. 492, Act III: Aria. Vedrò, mentr'io sospiro
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duration: PT3M13S
duration ms: 193493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Scottish Chamber Orchestra
by artist: Sir Charles Mackerras
by artist: Alessandro Corbelli
in album: Mozart: Le nozze di Figaro, K. 492
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  date published: 1995-05-23
genre: classical
genre: classical-era
isrc code: USTE10443388
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10443388
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4629408df9d56c7caa5356adb37a2243c6e902469a0419c3d9cff0d312039884. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10443388.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act III: Aria. Vedrò, mentr'io sospiro
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Le nozze di Figaro, K. 492, Act III: Recitativo. È decisa la lite
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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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Le nozze di Figaro, K. 492, Act III: Recitativo. Eccovi, o caro amico
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Le nozze di Figaro, K. 492, Act III: Recitativo. E Susanna non vien!
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Le nozze di Figaro, K. 492, Act III: Aria. Dove sono
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  date published: 2026-07-08T03:20:19Z
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Beethoven: Moonlight Sonata and Other Masterpieces
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    date published: 2026-07-08T08:56:20Z
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track: Beethoven: Die Ruinen von Athen, Op. 113: IV. Marcia alla Turca
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2eb203e37280c7901630ae17dc08c2806bae536c1c72f89fd5929adb1a41a35. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110900347.
date published: 2026-07-07T14:41:13Z

Delibes: Lakmé, Act 1 Scene 4: No. 2, Duetto, "Dôme épais, le jasmin" (Lakmé, Mallika)
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additional property: Valence (Positivity)
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Barber: Agnus Dei (After Adagio for Strings, Op. 11)
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by artist: Winchester Cathedral Choir
by artist: David Hill
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd711f40959feef6475f349e9f93cd38c80e711c16a1e8aa700c08209474e4fdb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW0600046.
  date published: 2026-07-02T11:38:34Z
audio: Barber: Agnus Dei (After Adagio for Strings, Op. 11)
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Berlioz: Les Nuits d'été, Op. 7, H 81b: II. Le spectre de la rose, H 83b
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by artist: Janet Baker
by artist: City of London Sinfonia
by artist: Richard Hickox
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Berlioz: Les Nuits d'été, Op. 7, H 81b: II. Le spectre de la rose, H 83b
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Vivaldi: Giustino, RV 717, Act 1: "Vedrò con mio diletto" (Anastasio)
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duration: PT5M12S
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by artist: Philippe Jaroussky
by artist: Ensemble Matheus
by artist: Jean-Christophe Spinosi
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T20:41:57Z
audio: Vivaldi: Giustino, RV 717, Act 1: "Vedrò con mio diletto" (Anastasio)
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Les Pêcheurs de perles: A cette voix quel trouble... Je crois entendre encore (Nadir)
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by artist: Munich Radio Orchestra
by artist: Michel Plasson
by artist: Muenchner Rundfunkorchester
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Les Pêcheurs de perles: A cette voix quel trouble... Je crois entendre encore (Nadir)
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Glière: Concerto for Soprano Coloratura, Op. 82: I. Andante
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by artist: Natalie Dessay
by artist: Michael Schønwandt
by artist: Berliner Symphoniker
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Glière: Concerto for Soprano Coloratura, Op. 82: I. Andante
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Purcell: Oedipus, Z. 583: No. 2, Song. "Musick for a While" (Version for Voice and Guitar)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:56:23Z
audio: Purcell: Oedipus, Z. 583: No. 2, Song. "Musick for a While" (Version for Voice and Guitar)
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Fauré: Cantique de Jean Racine, Op. 11
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by artist: Winchester Cathedral Choir
by artist: Stephen Farr
by artist: David Hill
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Fauré: Cantique de Jean Racine, Op. 11
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Brahms: 5 Songs, Op. 104: III. Letztes Glück
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
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Handel: Messiah, HWV 56, Pt. 1, Scene 1: Accompagnato. "Comfort Ye My People"
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subject of: OpenTimestamps Proof of Existence
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Catalani: La Wally, Act 1: Aria. "Ebben? Ne andrò lontana" (La Wally)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
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Ravel: Shéhérazade, M. 41: III. L'indifférent
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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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Messa Da Requiem : Libera Me - Requiem
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audio: Messa Da Requiem : Libera Me - Requiem
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Verdi: La forza del destino, Act 2 Scene 10: Finale, "La Vergine degli Angeli" (Leonora, Chorus)
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Chanson perpétuelle Op. 37
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Chanson perpétuelle Op. 37
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Sir Charles Mackerras
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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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc213776c85411f5e69fc54bf256b0afc5957c90e7e731658366681b266720c6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:28:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8700809.
  date published: 2026-07-22T01:28:34Z
audio: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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Mozart: Ave verum corpus, K. 618
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duration: PT3M32S
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by artist: Wolfgang Amadeus Mozart
by artist: Winchester Cathedral Choir
by artist: David Hill
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genre: classical
genre: classical-era
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Mozart: Ave verum corpus, K. 618
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L'invitation Au Voyage
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duration: PT3M45S
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by artist: Henri Duparc
by artist: Francois Le Roux
by artist: Jeff Cohen
by artist: John Nelson
by artist: Orchestre Philharmonic de Monte-Carlo
by artist: Ronald Patterson
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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: 2026-07-08T03:53:27Z
audio: L'invitation Au Voyage
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Canteloube: Chants d'Auvergne, Book 1: No. 2, Baïlèro
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by artist: Yan Pascal Tortelier
by artist: English Chamber Orchestra
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genre: early-modern-classical
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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: 2026-07-08T03:22:41Z
audio: Canteloube: Chants d'Auvergne, Book 1: No. 2, Baïlèro
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Grieg: Peer Gynt, Op. 23, Act 4: No. 18, Solveig's Song
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duration: PT4M51S
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by artist: Paavo Järvi
by artist: Camilla Tilling
by artist: Estonian National Symphony Orchestra
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genre: classical
genre: late-romantic-era
genre: norwegian-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Grieg: Peer Gynt, Op. 23, Act 4: No. 18, Solveig's Song
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Mahler: Lieder eines fahrenden Gesellen: No. 1, Wenn mein Schatz Hochzeit macht
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by artist: Ann Murray
by artist: Andrew Litton
by artist: Royal Philharmonic Orchestra
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genre: orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mahler: Lieder eines fahrenden Gesellen: No. 1, Wenn mein Schatz Hochzeit macht
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Debussy: Chansons de Bilitis, Musique de scène, CD 102, L. 96: XII. La pluie du matin
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duration ms: 158093
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by artist: Nash Ensemble
by artist: Delphine Seyrig
by artist: Marisa Robles
by artist: Lionel Friend
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genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Debussy: Chansons de Bilitis, Musique de scène, CD 102, L. 96: XII. La pluie du matin
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Stravinsky: Pulcinella: II. Serenata. “Mentre l’erbetta”
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by artist: Igor Stravinsky
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by artist: Martyn Hill
by artist: David Thomas
by artist: City of London Sinfonia
by artist: Richard Hickox
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Strauss, R: 8 Lieder, Op. 49: No. 1, Waldseligkeit (Version with Orchestra)
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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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Orff: Carmina Burana, Pt. 3, Cour d'amours: In trutina
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orff: Carmina Burana, Pt. 3, Cour d'amours: In trutina
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Anonymous: Veni Creator Spiritus
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by artist: Peter Matthews
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Anonymous: Veni Creator Spiritus
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100 Best Beethoven
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date published: 2019-09-20
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Beethoven: Egmont, Op. 84: Overture
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    date published: 2026-07-08T03:53:27Z
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track: Beethoven: Symphony No. 7 in A Major, Op. 92: I. Vivace (Excerpt)
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track: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
track: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
track: Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
track: Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f358c116d3737fd40541bf46a0aff0333fb6c38ce295c6bc85899d30f32c991. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628600585.
date published: 2026-07-08T03:53:27Z

Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
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duration: PT3M12S
duration ms: 192440
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by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Cornelius Hauptmann
by artist: London Classical Players
by artist: Schütz Choir of London
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genre: classical
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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: 2026-07-08T03:53:27Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
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Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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by artist: Gioachino Rossini
by artist: James Levine
by artist: Ruggero Raimondi
by artist: London Symphony Orchestra
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genre: classical
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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: 2026-07-08T03:22:41Z
audio: Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
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duration: PT4M59S
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by artist: Giuseppe Verdi
by artist: Carlo Maria Giulini
by artist: Delia Wallis
by artist: Shirley Verrett
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Ambrosian Opera Chorus
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
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Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
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duration: PT4M41S
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by artist: Franco Corelli
by artist: Orchestra Del Teatro Dell'Opera Di Roma
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genre: classical
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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: Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
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Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
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duration: PT5M43S
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by artist: Beverley Sills
by artist: Royal Philharmonic Orchestra
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genre: classical
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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: 2026-07-08T03:53:27Z
audio: Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
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Verdi: Otello, Act 4: "Niun mi tema" (Otello)
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duration: PT5M18S
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by artist: José Cura
by artist: Philharmonia Orchestra
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genre: classical
genre: opera
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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: 2026-07-08T03:22:41Z
audio: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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by artist: Sir John Barbirolli
by artist: Renata Scotto
by artist: Orchestra Del Teatro Dell'Opera Di Roma
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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duration: PT2M53S
duration ms: 173266
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by artist: James Levine
by artist: Plácido Domingo
by artist: Philharmonia Orchestra
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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: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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by artist: Riccardo Muti
by artist: José Carreras
by artist: Philharmonia Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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by artist: Plácido Domingo
by artist: Nello Santi
by artist: Orchestra of the Deutsche Oper Berlin
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genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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by artist: Mady Mesplé
by artist: Orchestre du Theatre National de IOpera-Comique
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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by artist: Georges Prêtre
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by artist: Orchestre Philharmonique de Radio France
by artist: Nouvel Orchestre Philharmonique de Radio France
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
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Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)
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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: Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)
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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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track: Mozart: Così fan tutte, K. 588, Act 1 Scene 15: "Ah che del sole il raggio" (Fiordiligi, Dorabella, Ferrando, Guglielmo, Don Alfonso, Despina)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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track: Mozart: Così fan tutte, K. 588, Act 1 Scene 4: No. 6, Quintetto, "Sento, o Dio, che questo piede" (Guglielmo, Ferrando, Don Alfonso, Fiordiligi, Dorabella)
track: Mozart: Così fan tutte, K. 588, Act 1 Scene 11: No. 13, Sestetto, "Alla bella Despinetta" (Don Alfonso, Ferrando, Guglielmo, Despina, Fiordiligi, Dorabella)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d48b772d5ad395ea0a34bb2234bfe75bee641706445d2d9282bc5ead75b1f40. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602945.
date published: 2026-07-08T03:22:41Z

Mozart: Così fan tutte, K. 588, Act 1 Scene 2: No. 4, Duetto, "Ah guarda, sorella" (Fiordiligi, Dorabella)
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Mozart: Così fan tutte, K. 588, Act 1 Scene 4: No. 6, Quintetto, "Sento, o Dio, che questo piede" (Guglielmo, Ferrando, Don Alfonso, Fiordiligi, Dorabella)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Così fan tutte, K. 588, Act 1 Scene 4: No. 6, Quintetto, "Sento, o Dio, che questo piede" (Guglielmo, Ferrando, Don Alfonso, Fiordiligi, Dorabella)
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Mozart: Così fan tutte, K. 588, Act 1 Scene 11: No. 13, Sestetto, "Alla bella Despinetta" (Don Alfonso, Ferrando, Guglielmo, Despina, Fiordiligi, Dorabella)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:34:59Z
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    date published: 2026-07-02T03:55:08Z
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track: Requiem in D Minor, K. 626: III. Sequenz, No. 6, Lacrymosa

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

Die Zauberflöte (The Magic Flute), K. 620: Overture
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Requiem in D Minor, K. 626: III. Sequenz, No. 6, Lacrymosa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Requiem in D Minor, K. 626: III. Sequenz, No. 6, Lacrymosa
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Opera Classics
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    date published: 2026-07-08T08:56:20Z
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track: Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
track: The Barber of Seville, Act I Scene 1: Largo al factotum
track: Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)

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La Wally, Act I: Ebben? ne andrò lontana
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Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
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The Barber of Seville, Act I Scene 1: Largo al factotum
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Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)
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Life of Mozart
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100 Best Mozart
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track: Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
track: Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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track: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
track: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
track: Mozart: Le nozze di Figaro, K. 492: Sinfonia
track: Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
track: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
track: Mozart: Le nozze di Figaro, K. 492, Act 3: Aria. "Dove sono" (La Contessa)
track: Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
track: Mozart: Le nozze di Figaro, K. 492, Act 4: Aria. "Deh vieni, non tardar" (Susanna)
track: Mozart: Così fan tutte, K. 588, Act 1: Aria. "Smanie implacabili che m'agitate" (Dorabella) [Live]
track: Mozart: Cosi fan tutte, K. 588, Act 1: Recitativo. "L'intatta fede che" - Aria. "Come scoglio immoto resta" (Fiordiligi) [Live]
track: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Madamina, il catalogo è questo" (Leporello)
track: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
track: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
track: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Finch'han dal vino" (Don Giovanni)
track: Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)
track: Mozart: Der Schauspieldirektor, K. 486: Overture
track: Mozart: Idomeneo, K. 366, Act 3: "Zeffiretti lusinghieri" (Ilia)
track: Mozart: Die Zauberflöte, K. 620, Act 1: "Der Vogelfänger bin ich ja" (Papageno)
track: Mozart: Die Zauberflöte, K. 620, Act 1: "Dies Bildnis ist bezaubernd schön" (Tamino)
track: Mozart: Die Zauberflöte, K. 620, Act 1: "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
track: Mozart: Die Zauberflöte, K. 620, Act 1: "Schnelle Füsse, ras cher Mut" (Pamina, Papageno, Monostatos)
track: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chor)
track: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)

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Mozart: Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Mozart: Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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Mozart: Divertimento No. 17 in D Major, K. 334/320b: III. Menuetto - Trio
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Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
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Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Andante
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Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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duration: PT9M45S
duration ms: 585186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jean-François Paillard
by artist: Jean-Pierre Rampal
by artist: Lily Laskine
by artist: Orchestre de chambre Jean-François Paillard
in album: 100 Best Mozart
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  date published: 2019-04-05
popularity: 19
genre: classical
genre: classical-era
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200301000
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf2dfcc8f68878e73b4142cc78fb0357d102d52921c16acf9669c7654b3398f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200301000.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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Mozart: Le nozze di Figaro, K. 492: Sinfonia
type: MusicRecording
duration: PT3M58S
duration ms: 238266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Riccardo Muti
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 3
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600623.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Le nozze di Figaro, K. 492: Sinfonia
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Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
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duration: PT3M40S
duration ms: 220186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Thomas Allen
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 9
genre: classical
genre: classical-era
isrc code: GBAYC8600852
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf516beeb6caf8ddf7f2858446f2c83ae017a83bbccde26d166a4c947b080d8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600852.
  date published: 2026-07-06T07:53:57Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: "Non più andrai, farfallone amoroso" (Figaro)
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Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
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duration: PT3M47S
duration ms: 227506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Margaret Price
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1697a4f9cb69bed24162b18ea83214fd63ddc21f74414ea232594664c69f0e5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600645.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: Cavatina. "Porgi, amor" (La Contessa)
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Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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duration: PT2M56S
duration ms: 176306
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Ann Murray
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8600648
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce16bcc856135eba52e02e103531c13f4ceaffbe1053c7965edf4a0a3e88bb5f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600648.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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Mozart: Le nozze di Figaro, K. 492, Act 3: Aria. "Dove sono" (La Contessa)
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duration: PT4M20S
duration ms: 260040
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Margaret Price
by artist: Wiener Philharmoniker
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popularity: 2
genre: classical
genre: classical-era
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additional property: CopyrightID
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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: 2026-07-08T03:53:27Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 3: Aria. "Dove sono" (La Contessa)
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Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
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by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Kathleen Battle
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by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8600677
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-01-28T18:22:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58b3ecaaadcd2785ad5eb3f932fc423296f22a7f6ad5c59fc43e79e8ef71ba31
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/GBAYC8600677
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b3ecaaadcd2785ad5eb3f932fc423296f22a7f6ad5c59fc43e79e8ef71ba31. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600677.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 3: Duettino. "Sull'aria" (La Contessa, Susanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.153
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.228
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.475
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Le nozze di Figaro, K. 492, Act 4: Aria. "Deh vieni, non tardar" (Susanna)
type: MusicRecording
duration: PT3M26S
duration ms: 206920
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Kathleen Battle
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8600695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T04:15:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x438251fe5a6bff42bfdfe1fcf1b889dd027c02292d17628d096f8e5042aeb985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600695
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438251fe5a6bff42bfdfe1fcf1b889dd027c02292d17628d096f8e5042aeb985. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600695.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 4: Aria. "Deh vieni, non tardar" (Susanna)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.143
  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: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.128
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Così fan tutte, K. 588, Act 1: Aria. "Smanie implacabili che m'agitate" (Dorabella) [Live]
type: MusicRecording
duration: PT2M5S
duration ms: 125946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Agnes Baltsa
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8200611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:08:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a540b1aece82f2f44812b87ad842adfe3a852bd05d4d31894ccb40bbc485289
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/GBAYC8200611
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a540b1aece82f2f44812b87ad842adfe3a852bd05d4d31894ccb40bbc485289. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200611.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Così fan tutte, K. 588, Act 1: Aria. "Smanie implacabili che m'agitate" (Dorabella) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.928
  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: 0.369
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.158
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.172
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Cosi fan tutte, K. 588, Act 1: Recitativo. "L'intatta fede che" - Aria. "Come scoglio immoto resta" (Fiordiligi) [Live]
type: MusicRecording
duration: PT5M17S
duration ms: 317440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Margaret Marshall
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8200617
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:15:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd17cd9eeb47dd2faca68813265a7695e3ccb1155ce53af6770999f1013589450
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/GBAYC8200617
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd17cd9eeb47dd2faca68813265a7695e3ccb1155ce53af6770999f1013589450. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200617.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Cosi fan tutte, K. 588, Act 1: Recitativo. "L'intatta fede che" - Aria. "Come scoglio immoto resta" (Fiordiligi) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.276
  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: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.724
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Madamina, il catalogo è questo" (Leporello)
type: MusicRecording
duration: PT5M48S
duration ms: 348133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Samuel Ramey
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC9004372
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:00:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6c6b01b9bc618ab153f7dd6d472c5e123048f5185c8606e006f61faab26bb9d
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/GBAYC9004372
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c6b01b9bc618ab153f7dd6d472c5e123048f5185c8606e006f61faab26bb9d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004372.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Madamina, il catalogo è questo" (Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.206
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.087
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.597
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT3M20S
duration ms: 200613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Susanne Mentzer
by artist: William Shimell
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC9004379
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:56:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb7eda3b3427fc673009cac040b131a7a110579b76f4da66767f733efe2ae5d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb7eda3b3427fc673009cac040b131a7a110579b76f4da66767f733efe2ae5d9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004379.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.542
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.001
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
type: MusicRecording
duration: PT5M0S
duration ms: 300866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Frank Lopardo
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC9004388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b7f73865804364dca56925acf1deb4e93ea17aa2f72eda81e13fdb3c9e726bf
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/GBAYC9004388
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b7f73865804364dca56925acf1deb4e93ea17aa2f72eda81e13fdb3c9e726bf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004388.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Dalla sua pace" (Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.188
  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: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.241
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.531
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Finch'han dal vino" (Don Giovanni)
type: MusicRecording
duration: PT1M16S
duration ms: 76960
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: William Shimell
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC9004390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:09:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63ee2d46f8115aaf1444a5cc3f42dbf17ceeed740fb7397d1f6fd045b186c2fe
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/GBAYC9004390
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63ee2d46f8115aaf1444a5cc3f42dbf17ceeed740fb7397d1f6fd045b186c2fe. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004390.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Finch'han dal vino" (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.088
  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: 0.578
  additional property: Energy
    type: PropertyValue
    value: 0.639
  additional property: Speechiness
    type: PropertyValue
    value: 0.108
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.322
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.468
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)
type: MusicRecording
duration: PT1M46S
duration ms: 106946
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Carol Vaness
by artist: Cheryl Studer
by artist: Frank Lopardo
by artist: Natale de Carolis
by artist: Samuel Ramey
by artist: Susanne Mentzer
by artist: Wiener Philharmoniker
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC9004442
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:32:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x392ec66ec970f7d731ddf7a1d9f90b866d54acca3b463eea0353402aa2349ad4
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/GBAYC9004442
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392ec66ec970f7d731ddf7a1d9f90b866d54acca3b463eea0353402aa2349ad4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9004442.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Don Giovanni, K. 527, Act 2: Epilogo. "Questo è il fin di chi fa mal!" (Donna Elvira, Donna Anna, Zerlina, Don Ottavio, Masetto, Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.707
  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: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.241
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.071
  additional property: Liveness
    type: PropertyValue
    value: 0.237
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.086
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Der Schauspieldirektor, K. 486: Overture
type: MusicRecording
duration: PT3M43S
duration ms: 223026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8100233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:53:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64bf4a05dfd62666b21d268909541f1bc618bc629f965612390e05019afef347
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/GBAYC8100233
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64bf4a05dfd62666b21d268909541f1bc618bc629f965612390e05019afef347. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100233.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Der Schauspieldirektor, K. 486: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.354
  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: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.875
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.369
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.037
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Idomeneo, K. 366, Act 3: "Zeffiretti lusinghieri" (Ilia)
type: MusicRecording
duration: PT4M51S
duration ms: 291000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Charles Mackerras
by artist: Lisa Milne
by artist: Scottish Chamber Orchestra
by artist: Dunedin Consort
by artist: Ian Page
by artist: Ursula Smith
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC0102997
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:14:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf79c3681deb9e8ef77fc2dae26f873cf06d6c154b4f691d7e5b28b82c4dcaf57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102997
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79c3681deb9e8ef77fc2dae26f873cf06d6c154b4f691d7e5b28b82c4dcaf57. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0102997.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Idomeneo, K. 366, Act 3: "Zeffiretti lusinghieri" (Ilia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.789
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.873
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1: "Der Vogelfänger bin ich ja" (Papageno)
type: MusicRecording
duration: PT2M51S
duration ms: 171586
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Wolfgang Brendel
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8100084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:07:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe8029731bc22a5b597b46303e7197c921d84c0968fc11dc723ae94e13ed4675
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/GBAYC8100084
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8029731bc22a5b597b46303e7197c921d84c0968fc11dc723ae94e13ed4675. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100084.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1: "Der Vogelfänger bin ich ja" (Papageno)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.674
  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: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.477
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.913
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1: "Dies Bildnis ist bezaubernd schön" (Tamino)
type: MusicRecording
duration: PT4M3S
duration ms: 243266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Siegfried Jerusalem
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8100283
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:10:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a85ddc0697c53bb90f7997400419dab7f9a83199d362a593f0b9c4c8a3502fa
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/GBAYC8100283
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a85ddc0697c53bb90f7997400419dab7f9a83199d362a593f0b9c4c8a3502fa. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100283.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1: "Dies Bildnis ist bezaubernd schön" (Tamino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.013
  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: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.721
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1: "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
type: MusicRecording
duration: PT3M14S
duration ms: 194000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Lucia Popp
by artist: Wolfgang Brendel
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8100291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T04:04:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb463be164c9330133302c28e5762d128ea01d435ad1bb26927c801b6746b3ee6
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/GBAYC8100291
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb463be164c9330133302c28e5762d128ea01d435ad1bb26927c801b6746b3ee6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100291.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1: "Bei Männern, welche Liebe fühlen" (Pamina, Papageno)
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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: 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
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.151
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.529
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1: "Schnelle Füsse, ras cher Mut" (Pamina, Papageno, Monostatos)
type: MusicRecording
duration: PT3M15S
duration ms: 195613
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Heinz Zednik
by artist: Lucia Popp
by artist: Wolfgang Brendel
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8100339
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:43:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x026f2ad24eb9924fba7f02e217c8ad8a36304c20299b2d5f50fab1fe3821e61d
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/GBAYC8100339
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026f2ad24eb9924fba7f02e217c8ad8a36304c20299b2d5f50fab1fe3821e61d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100339.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1: "Schnelle Füsse, ras cher Mut" (Pamina, Papageno, Monostatos)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.496
  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
    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
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chor)
type: MusicRecording
duration: PT2M54S
duration ms: 174520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Roland Bracht
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 1
genre: classical
genre: classical-era
isrc code: GBAYC8100305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:18:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b0f27fb6f49bb06bda259e13690bef018e5ba3e4091b7bf147377c7bb020327
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/GBAYC8100305
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b0f27fb6f49bb06bda259e13690bef018e5ba3e4091b7bf147377c7bb020327. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100305.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.486
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.19
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
type: MusicRecording
duration: PT2M51S
duration ms: 171346
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Edita Gruberova
by artist: Bavarian Radio Symphony Orchestra
in album: 100 Best Mozart
  type: MusicAlbum
  date published: 2019-04-05
popularity: 2
genre: classical
genre: classical-era
isrc code: GBAYC8100313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:56:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd9a9d07c43c9a816fba793b0176a11931b67f991e5620711c21a65bf3b7f079
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100313
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9a9d07c43c9a816fba793b0176a11931b67f991e5620711c21a65bf3b7f079. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100313.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.597
  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: 0.533
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  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: -19.128
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mozart: The Da Ponte Operas. Le nozze di Figaro, Don Giovanni & Così fan tutte
type: MusicAlbum
date published: 2013-08-02
track: Mozart: Le nozze di Figaro, K. 492: Sinfonia
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238266
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Wiener Philharmoniker
  by artist: Riccardo Muti
  in album: Mozart: The Da Ponte Operas. Le nozze di Figaro, Don Giovanni & Così fan tutte
    type: MusicAlbum
    date published: 2013-08-02
  genre: classical
  genre: classical-era
  isrc code: GBAYC8600623
  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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    value: https://explorer.copyrightchains.com/tx/0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019
  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/GBAYC8600623
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f6211a04ac159dad896d3d025c7074175805b275dc59c8d2b0a4c562dca019. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600623.
    date published: 2026-07-08T08:56:20Z
  audio: Mozart: Le nozze di Figaro, K. 492: Sinfonia
    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: 0.315
    additional property: Energy
      type: PropertyValue
      value: 0.182
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.819
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.348
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.904
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non so più cosa son, cosa faccio" (Cherubino)
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190026
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Riccardo Muti
  by artist: Ann Murray
  by artist: Wiener Philharmoniker
  in album: Mozart: The Da Ponte Operas. Le nozze di Figaro, Don Giovanni & Così fan tutte
    type: MusicAlbum
    date published: 2013-08-02
  genre: classical
  genre: classical-era
  isrc code: GBAYC8600635
  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/GBAYC8600635
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990aa1744cc8bb941df89a975d00ed930549b261ec144a41ee05df87f6ef21cb. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600635.
    date published: 2026-07-02T03:30:09Z
  audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non so più cosa son, cosa faccio" (Cherubino)
    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
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    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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The Very Best of Beethoven
type: MusicAlbum
date published: 2019-08-23
track: Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
  type: MusicRecording
  duration: PT6M32S
  duration ms: 392439
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  by artist: Ludwig van Beethoven
  by artist: London Classical Players
  by artist: Sir Roger Norrington
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    type: MusicAlbum
    date published: 2019-08-23
  popularity: 27
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  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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    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/GBAYC8804146
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256fe43e45cbe64ca733f5c23a573a77e2d90e9668f8607d06686f3b63acb9e0. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8804146.
    date published: 2026-06-13T13:32:09Z
  audio: Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: 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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track: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto "O Freunde, nicht diese Töne!" (Excerpt)
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track: Beethoven: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio (Excerpt)
track: Beethoven: Die Ruinen von Athen, Op. 113: IV. Marcia alla Turca
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Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto "O Freunde, nicht diese Töne!" (Excerpt)
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  date published: 2026-06-13T13:32:09Z
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto (Excerpt)
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  date published: 2026-06-13T17:25:41Z
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Beethoven: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio (Excerpt)
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Beethoven: Die Ruinen von Athen, Op. 113: IV. Marcia alla Turca
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Beethoven: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro (Excerpt)
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