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album: Miserere a 8 and Miserere a 12
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album: Paisiello: Barbiere Di Siviglia (Il)
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album: Gregor, Jozsef: Bass Opera Arias
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album: Salieri: Falstaff
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album: Telemann: Brockes Passion
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album: A Bride's Guide To Wedding Music
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album: 100 Must-Have Italian Classics
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Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Ei! Wie schmeckt der Coffee susse
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  date published: 2026-07-02T03:55:08Z
audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Ei! Wie schmeckt der Coffee susse
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Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Madchen, die von harten Sinnen
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  date published: 2026-07-08T08:56:20Z
audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Madchen, die von harten Sinnen
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Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Chorus: Die Katze lasst das Mausen nicht
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audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Chorus: Die Katze lasst das Mausen nicht
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Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Presto - Andante - Allegro - Adagio
type: MusicRecording
duration: PT2M25S
duration ms: 145680
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
isrc code: HKI199278211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:12:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbef5931e31f81b162eb96406e348c30b63c1c945b036ca7f0b9ed3e45fef74b5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278211
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbef5931e31f81b162eb96406e348c30b63c1c945b036ca7f0b9ed3e45fef74b5. 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/HKI199278211.
  date published: 2026-07-08T03:22:41Z
audio: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Presto - Andante - Allegro - Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.388
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.303
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.412
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Recitativo: Nu, Mieke, gib dein Guschel immer her
type: MusicRecording
duration: PT0M52S
duration ms: 52733
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
isrc code: HKI199278213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:50:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x618df1d83d673002c99e037d14cecbf6775965ec3534cba49263dd9dc50538d8
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/HKI199278213
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T08:56:20+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618df1d83d673002c99e037d14cecbf6775965ec3534cba49263dd9dc50538d8. 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/HKI199278213.
  date published: 2026-07-08T08:56:20Z
audio: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Recitativo: Nu, Mieke, gib dein Guschel immer her
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.202
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.527
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.627
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": (Aria): Unser trefflicher lieber Kammerherr
type: MusicRecording
duration: PT1M24S
duration ms: 84720
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
isrc code: HKI199278218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:23:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x127f3125cde7162e3ce821c58638e1be5c6f8c51952f8e612e22037937caef13
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/HKI199278218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127f3125cde7162e3ce821c58638e1be5c6f8c51952f8e612e22037937caef13. 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/HKI199278218.
  date published: 2026-07-08T03:53:27Z
audio: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": (Aria): Unser trefflicher lieber Kammerherr
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.002
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.477
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.167
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.2
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Recitativo: Schweigt stille
type: MusicRecording
duration: PT0M32S
duration ms: 32439
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ef929db734df7ba4183cffa535678ae41b000fc979bc60d1526884ebf1a549. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278201.
  date published: 2026-08-01T00:10:46Z
audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Recitativo: Schweigt stille
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.958
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.853
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.476
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.037
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199278201
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960485
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T00:10:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278201
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Hat man nicht mit seinen Kindern
type: MusicRecording
duration: PT2M53S
duration ms: 173320
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0396ee33b438fc3d82dc41e76a295ebd168e7b5e555f76edb2d048bdecb1dded. Chain 2 (Bitcoin): anchored in block 960384 (2026-07-31T09:54:03Z), 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/HKI199278202.
  date published: 2026-07-31T09:54:03Z
audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Hat man nicht mit seinen Kindern
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.234
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.319
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.487
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.764
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199278202
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960384
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:54:03+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278202
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960384
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960384
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:54:03+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Heute noch, lieber Vater
type: MusicRecording
duration: PT6M46S
duration ms: 406720
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a534d7cf7a19d8905fcf056dd412f4a118dd6e4d65250319181f2cd147d4c5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278208.
  date published: 2026-07-31T18:48:12Z
audio: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Heute noch, lieber Vater
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.564
  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: 0.315
  additional property: Energy
    type: PropertyValue
    value: 0.167
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.514
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.324
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.86
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199278208
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278208
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Aria (Duetto): Mer hahn en neue Oberkeet
type: MusicRecording
duration: PT0M37S
duration ms: 37120
explicit: false
by artist: Johann Sebastian Bach
by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
in album: Bach, J.S.: Cantatas, Bwv 211-212
  type: MusicAlbum
  date published: 1992-06-12
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5e373083d8f0c81957e1570632ba256e2e84f36de6e71b546c670639ac2290. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199278212.
  date published: 2026-07-30T15:42:38Z
audio: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Aria (Duetto): Mer hahn en neue Oberkeet
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Chor: Wir gehn nun, wo der Tudelsack
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duration: PT1M1S
duration ms: 61813
explicit: false
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by artist: Ingrid Kertesi
by artist: Jozsef Mukk
by artist: Istvan Gati
by artist: Budapest Failoni Chamber Orchestra
by artist: Matyas Antal
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genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Chor: Wir gehn nun, wo der Tudelsack
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 1 Chor mit Choral: Kommt, ihr Tochter, helft mir klagen!
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duration: PT7M34S
duration ms: 454226
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
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  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279901
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: St. Matthew Passion, BWV 244: No. 1 Chor mit Choral: Kommt, ihr Tochter, helft mir klagen!
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St. Matthew Passion, BWV 244: No. 30 Arie (Alt) mit Chor: Ach, nun ist mein Jesus hin!
type: MusicRecording
duration: PT3M32S
duration ms: 212693
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199280001
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:53:27Z
audio: St. Matthew Passion, BWV 244: No. 30 Arie (Alt) mit Chor: Ach, nun ist mein Jesus hin!
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St. Matthew Passion, BWV 244: No. 2 Rezitativ: Da Jesus diese Rede vollendet hatte
type: MusicRecording
duration: PT0M33S
duration ms: 33906
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279902
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:08Z
audio: St. Matthew Passion, BWV 244: No. 2 Rezitativ: Da Jesus diese Rede vollendet hatte
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St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
type: MusicRecording
duration: PT0M47S
duration ms: 47333
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279903
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
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St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
type: MusicRecording
duration: PT2M49S
duration ms: 169400
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279904
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1bcbaa86905c7ccadd43b5c37e0b674ad88debe79d47770ac5cc3c7fe5db1d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279904
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957052
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:50:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bcbaa86905c7ccadd43b5c37e0b674ad88debe79d47770ac5cc3c7fe5db1d3. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/HKI199279904.
  date published: 2026-07-07T14:50:41Z
audio: St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.283
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.47
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.174
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 34 Rezitativ (Tenor): Mein Jesus schweigt zu falschen Lugen stille
type: MusicRecording
duration: PT0M53S
duration ms: 53933
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199280005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:10:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcddfe9d7c747d45e3695625d8a7e230a06545167651a82b6249820cc55a267da
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/HKI199280005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcddfe9d7c747d45e3695625d8a7e230a06545167651a82b6249820cc55a267da. 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/HKI199280005.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 34 Rezitativ (Tenor): Mein Jesus schweigt zu falschen Lugen stille
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.328
  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: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.024
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
type: MusicRecording
duration: PT0M30S
duration ms: 30000
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:30:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x127b082bf56b3b4488d52b18443a8ed1aa40dba532133cfd81041896b0a2df05
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/HKI199279907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127b082bf56b3b4488d52b18443a8ed1aa40dba532133cfd81041896b0a2df05. 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/HKI199279907.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.803
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.486
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.1
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.526
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.781
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 37 Choral: Wer hat dich so geschlagen
type: MusicRecording
duration: PT0M51S
duration ms: 51893
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199280008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:32:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa62fd9d91f439f68dfd91a54c713073f5ad5fcb007ac5f76c5a02179f1a0c286
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/HKI199280008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa62fd9d91f439f68dfd91a54c713073f5ad5fcb007ac5f76c5a02179f1a0c286. 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/HKI199280008.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 37 Choral: Wer hat dich so geschlagen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.172
  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: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.757
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.399
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.124
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 38 Rezitativ und Chor: Petrus aber sass draussen im Palast
type: MusicRecording
duration: PT2M14S
duration ms: 134466
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199280009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:17:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65a9f7fe04327738d10ccbe764a9ec7881f9f8bd157b64ebb6e8f6662820690d
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/HKI199280009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a9f7fe04327738d10ccbe764a9ec7881f9f8bd157b64ebb6e8f6662820690d. 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/HKI199280009.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 38 Rezitativ und Chor: Petrus aber sass draussen im Palast
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.198
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.445
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
type: MusicRecording
duration: PT0M50S
duration ms: 50933
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:53:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9122ad75d246eada2bb1db610755b5875e5e8c461613bc5f2277c2b3a3c71388
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/HKI199279910
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9122ad75d246eada2bb1db610755b5875e5e8c461613bc5f2277c2b3a3c71388. 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/HKI199279910.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.158
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.831
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.682
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
type: MusicRecording
duration: PT0M59S
duration ms: 59666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8fa84f263ad50725f43a482a627dca5f98c12ef8d6a673705165ee3430d3ce6
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/HKI199279915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8fa84f263ad50725f43a482a627dca5f98c12ef8d6a673705165ee3430d3ce6. 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/HKI199279915.
  date published: 2026-07-08T03:53:27Z
audio: St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.869
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.596
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.265
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.643
  additional property: Key Name
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    value: E
  additional property: Mode Name
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    value: Major

St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
type: MusicRecording
duration: PT1M1S
duration ms: 61600
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279916
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:31:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa578d951c890342d843926791efbddb86dd4c7cb25b919a61598e4479d1f2e64
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/HKI199279916
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa578d951c890342d843926791efbddb86dd4c7cb25b919a61598e4479d1f2e64. 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/HKI199279916.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
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    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.369
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 17 Choral: Ich will hier bei dir stehen
type: MusicRecording
duration: PT1M8S
duration ms: 68266
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:52:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59b1160248fa1b2fb18d3970f3fb4361f84c17be4a23ec83eefe4691fbc4d31d
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/HKI199279917
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b1160248fa1b2fb18d3970f3fb4361f84c17be4a23ec83eefe4691fbc4d31d. 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/HKI199279917.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 17 Choral: Ich will hier bei dir stehen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.848
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.816
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.462
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 48 Rezitativ (Sopran): Er hat uns allen wohlgetan
type: MusicRecording
duration: PT1M0S
duration ms: 60666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199280019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:54:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41b9742f9aad7574b6779e69760d9abf1d5995c1909546aa085c0200e59eb49e
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/HKI199280019
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b9742f9aad7574b6779e69760d9abf1d5995c1909546aa085c0200e59eb49e. 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/HKI199280019.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 48 Rezitativ (Sopran): Er hat uns allen wohlgetan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.8
  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.08
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.709
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 21 Rezitativ: Und ging hin ein wenig
type: MusicRecording
duration: PT0M42S
duration ms: 42133
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279921
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:40:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca1cf7dbc50682c8e42ab564bbeb8721fc62f0c477abb5aaa80304727c4e1aa7
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/HKI199279921
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1cf7dbc50682c8e42ab564bbeb8721fc62f0c477abb5aaa80304727c4e1aa7. 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/HKI199279921.
  date published: 2026-07-08T03:53:27Z
audio: St. Matthew Passion, BWV 244: No. 21 Rezitativ: Und ging hin ein wenig
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.099
  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: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.158
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.859
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 24 Rezitativ: Und er kam zu seinen Jungern
type: MusicRecording
duration: PT1M13S
duration ms: 73826
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:11:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf78c4d1629e28cbabb4d76e6bcc21589656a2ce547f75e79e12dd73f8e8e682a
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/HKI199279924
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf78c4d1629e28cbabb4d76e6bcc21589656a2ce547f75e79e12dd73f8e8e682a. 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/HKI199279924.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244: No. 24 Rezitativ: Und er kam zu seinen Jungern
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.057
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.47
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 28 Rezitativ: Und siehe, einer aus denen
type: MusicRecording
duration: PT2M2S
duration ms: 122533
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
isrc code: HKI199279928
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:55:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08a2e8b9f9e8720844dc97d31bbf224f1c01513722e0dc7f7a125ed9affdee1e
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/HKI199279928
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a2e8b9f9e8720844dc97d31bbf224f1c01513722e0dc7f7a125ed9affdee1e. 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/HKI199279928.
  date published: 2026-07-08T03:53:27Z
audio: St. Matthew Passion, BWV 244: No. 28 Rezitativ: Und siehe, einer aus denen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.245
  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: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.151
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.835
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 31 Rezitativ: Die aber Jesum gegriffen hatten
type: MusicRecording
duration: PT0M52S
duration ms: 52466
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66642c27dbbc0c3abd023a32aa1dfc5cc5ac3dc59dc31617b0eb0ddcdba9c504. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280002.
  date published: 2026-07-31T20:22:46Z
audio: St. Matthew Passion, BWV 244: No. 31 Rezitativ: Die aber Jesum gegriffen hatten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.764
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.516
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.364
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280002
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960459
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 32 Choral: Mir hat die Welt truglich gericht'
type: MusicRecording
duration: PT0M50S
duration ms: 50440
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3988619fb00617b66c008c5ee6dd9c9d8d3f461a9af56ccf7b4680a3b526ee. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/HKI199280003.
  date published: 2026-07-31T05:17:02Z
audio: St. Matthew Passion, BWV 244: No. 32 Choral: Mir hat die Welt truglich gericht'
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.304
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.305
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.252
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.938
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280003
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960348
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280003
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 33 Rezitativ: Und wiewohl viel falsche Zeugen
type: MusicRecording
duration: PT1M5S
duration ms: 65666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aca3e032749797d4603b550bf5cd70ada5a1dd179fdc14b1a384b857e9715c6. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280004.
  date published: 2026-07-30T15:42:38Z
audio: St. Matthew Passion, BWV 244: No. 33 Rezitativ: Und wiewohl viel falsche Zeugen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.481
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.432
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.009
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199280004
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280004
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
type: MusicRecording
duration: PT0M40S
duration ms: 40026
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0e438f5305e03c71a60c79f998b8b55ef9ab20d0f07d6a144cefff20dff9f5. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279905.
  date published: 2026-07-30T06:57:05Z
audio: St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.351
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.346
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.593
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.49
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279905
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960218
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T06:57:05+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279905
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960218
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:57:05+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
type: MusicRecording
duration: PT4M14S
duration ms: 254666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4fbcb129f3cfd546b3397d70b2f63f11f9aab41ad3966fe027586f0d695f4a5. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279906.
  date published: 2026-07-29T13:09:35Z
audio: St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.936
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.313
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.85
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279906
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960108
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279906
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960108
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 35 Arie (Tenor): Geduld! Geduld!
type: MusicRecording
duration: PT3M26S
duration ms: 206733
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3563ca411688c83025c2729e3651056aca2e6af52493df0c9d523e4c3b843c1. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280006.
  date published: 2026-07-31T12:24:41Z
audio: St. Matthew Passion, BWV 244: No. 35 Arie (Tenor): Geduld! Geduld!
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 128.091
  additional property: Musical Key
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    value: 9
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  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
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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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    value: -26.246
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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isrc code: HKI199280006
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280006
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 36 Rezitativ und Chor: Und der Hohepriester antwortete und sprach zu ihm
type: MusicRecording
duration: PT2M3S
duration ms: 123466
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35827b9fa1a7edcddc66c323c2254f2d81e5502bf5ab4b772cd731af2c64990c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280007.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 36 Rezitativ und Chor: Und der Hohepriester antwortete und sprach zu ihm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.435
  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: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.445
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.319
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.294
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280007
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280007
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
type: MusicRecording
duration: PT4M47S
duration ms: 287466
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df887404296bb192d251723a1f861f2305115a443e602e4e5821ec91428d150. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279908.
  date published: 2026-07-30T02:30:29Z
audio: St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.128
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.551
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.431
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279908
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960199
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279908
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960199
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960199
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
type: MusicRecording
duration: PT1M48S
duration ms: 108600
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf112593149603b923861f6f71fe1a84abbb6b7b11e7438afe2eb2a5ab33411fe. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279909.
  date published: 2026-07-30T09:57:33Z
audio: St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.249
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.608
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.173
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279909
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279909
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
type: MusicRecording
duration: PT2M44S
duration ms: 164573
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74fba4e34d191868e6cdc5b3f8181e382d20d7cb62bdb1133ddf3eff442f788c. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279911.
  date published: 2026-07-30T10:42:33Z
audio: St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.781
  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: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.34
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.939
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279911
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279911
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 40: Choral Bin ich gleich von dir gewichen
type: MusicRecording
duration: PT1M14S
duration ms: 74293
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf84fd6721dcc40987b43b6ea22f7004f6f66fc83c7414ecf6c34d5df61b71f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280011.
  date published: 2026-07-31T00:26:26Z
audio: St. Matthew Passion, BWV 244: No. 40: Choral Bin ich gleich von dir gewichen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.933
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.571
  additional property: Liveness
    type: PropertyValue
    value: 0.345
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.728
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280011
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280011
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
type: MusicRecording
duration: PT1M14S
duration ms: 74533
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b63feab2a10035e19f9891710ce4364c44e3600a9bb6b263aeaf359b0658fa. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279912.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.203
  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: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.58
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.267
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279912
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279912
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 41 Rezitativ und Chor: Des Morgens aber hielten alle Hohepriester
type: MusicRecording
duration: PT1M48S
duration ms: 108200
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c7bd581cb19a64dc20da9b6bd218050afd531cc8d6a4ae53aece72ef8313b5. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280012.
  date published: 2026-07-30T16:01:17Z
audio: St. Matthew Passion, BWV 244: No. 41 Rezitativ und Chor: Des Morgens aber hielten alle Hohepriester
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.607
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.27
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.826
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199280012
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960276
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T16:01:17+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960276
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
type: MusicRecording
duration: PT3M39S
duration ms: 219093
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46baf8bc6b83abce357eb7c490714ec5afb988aac586eca5d5558be9dc095486. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279913.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.301
  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: 0.36
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.257
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.506
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279913
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279913
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 42 Arie (Bass): Gebt mir meinen Jesum wieder!
type: MusicRecording
duration: PT3M30S
duration ms: 210200
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10a302695ee006a49b9e4f3f0649e3bd7f8b008d36aeb863f8c6afa3cb2942f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280013.
  date published: 2026-07-31T00:26:26Z
audio: St. Matthew Passion, BWV 244: No. 42 Arie (Bass): Gebt mir meinen Jesum wieder!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.978
  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: 0.537
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.199
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.503
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.027
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280013
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280013
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
type: MusicRecording
duration: PT0M56S
duration ms: 56573
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e9b2eada91eefd0c235dc62be16b7d892c069bfd2d970ac6393ef1cce3e0d4. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279914.
  date published: 2026-07-30T08:30:10Z
audio: St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.998
  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: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.314
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.152
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279914
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960229
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279914
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 43 Rezitativ: Sie hielten aber einen Rat
type: MusicRecording
duration: PT1M51S
duration ms: 111666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02ff4a577bddd2565b39c6c385e89925a51bb19ee496bd2778fe0738284eda0. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/HKI199280014.
  date published: 2026-07-31T09:25:34Z
audio: St. Matthew Passion, BWV 244: No. 43 Rezitativ: Sie hielten aber einen Rat
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.523
  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: 0.501
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.001
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280014
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960379
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280014
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960379
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 44: Choral Befiehl du deine Wege
type: MusicRecording
duration: PT1M12S
duration ms: 72533
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c1dd535214abd15d1ddf483f6da70ee21f6b330d2efe1322e12d0e9874cd3a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280015.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 44: Choral Befiehl du deine Wege
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.154
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.206
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.516
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.21
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280015
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280015
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 45 Rezitativ und Chor: Auf das Fest aber hatte der Landpfleger Gewohnheit
type: MusicRecording
duration: PT2M21S
duration ms: 141973
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5896fe5433cbcd65f792a5e4d92b283a021fa9c2f5ef10f7413773b9d28b9996. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280016.
  date published: 2026-07-31T23:30:38Z
audio: St. Matthew Passion, BWV 244: No. 45 Rezitativ und Chor: Auf das Fest aber hatte der Landpfleger Gewohnheit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.125
  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: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.601
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.355
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.996
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199280016
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960478
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280016
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 46 Choral: Wie wunderbarlich ist doch diese Strafe!
type: MusicRecording
duration: PT0M47S
duration ms: 47133
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ef1d3aaa4e41a68126234d3457b36a2fa707015f3aff93be65b5dd479b440f. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280017.
  date published: 2026-07-30T14:53:07Z
audio: St. Matthew Passion, BWV 244: No. 46 Choral: Wie wunderbarlich ist doch diese Strafe!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.118
  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: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.199
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.825
  additional property: Liveness
    type: PropertyValue
    value: 0.317
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.383
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.246
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199280017
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960268
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280017
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
type: MusicRecording
duration: PT1M32S
duration ms: 92493
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac05c6e4b807ee40603a6f9794f758f345e2d64dfa64852085256d127d15b65f. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279918.
  date published: 2026-07-30T14:53:07Z
audio: St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.239
  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: 0.39
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.772
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279918
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960268
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279918
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 19 Rezitativ (Tenor) mit Choral: O Schmerz!
type: MusicRecording
duration: PT1M35S
duration ms: 95306
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb720180fe376abb90833436d3203b87206970a2aadd7e0a4baf2f3a2ab9fcf39. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/HKI199279919.
  date published: 2026-07-30T19:11:09Z
audio: St. Matthew Passion, BWV 244: No. 19 Rezitativ (Tenor) mit Choral: O Schmerz!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.888
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.079
  additional property: Liveness
    type: PropertyValue
    value: 0.642
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.931
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279919
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960296
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T19:11:09+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279919
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960296
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960296
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:11:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 20 Arie (Tenor) mit Chor: Ich will bei meinem Jesu wachen
type: MusicRecording
duration: PT5M25S
duration ms: 325960
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaf5a36f8d400ddc499a2d3a81573c115dfc15845e81bee3b2be71ade06ccbab. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279920.
  date published: 2026-07-30T09:37:10Z
audio: St. Matthew Passion, BWV 244: No. 20 Arie (Tenor) mit Chor: Ich will bei meinem Jesu wachen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.04
  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: 0.192
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.498
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.635
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279920
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960236
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279920
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 49 Arie (Sopran): Aus Liebe will mein Heiland sterben!
type: MusicRecording
duration: PT4M49S
duration ms: 289333
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7cbdbaa43c047b549b6c7539b5d9529aaefd2bb400d0794b1fb4ef77ae24ce. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280020.
  date published: 2026-07-30T22:27:30Z
audio: St. Matthew Passion, BWV 244: No. 49 Arie (Sopran): Aus Liebe will mein Heiland sterben!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.917
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.128
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.52
  additional property: Liveness
    type: PropertyValue
    value: 0.054
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.613
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199280020
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960321
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280020
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 50: Rezitativ und Chor: Sie schrieen aber noch mehr und sprachen
type: MusicRecording
duration: PT1M52S
duration ms: 112360
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9185d9fa2ea328f382c12b56f7598121c830a118b531c9f8b49f8a345033c822. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280021.
  date published: 2026-07-31T16:33:26Z
audio: St. Matthew Passion, BWV 244: No. 50: Rezitativ und Chor: Sie schrieen aber noch mehr und sprachen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.121
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.322
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.314
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.429
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.851
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199280021
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960435
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T16:33:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280021
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960435
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960435
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 22 Rezitativ (Bass): Der Heiland fallt vor seinem Vater nieder
type: MusicRecording
duration: PT0M47S
duration ms: 47533
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48ecdc4c2729b37377ca78d5896b6b15978e0246f1d786791fa196c7287324d. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279922.
  date published: 2026-07-30T10:42:33Z
audio: St. Matthew Passion, BWV 244: No. 22 Rezitativ (Bass): Der Heiland fallt vor seinem Vater nieder
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.023
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.44
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.664
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279922
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279922
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 23 Arie (Bass): Gerne will ich mich bequemen
type: MusicRecording
duration: PT4M27S
duration ms: 267906
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7356182c8903d4418c753676994163d0e7c08154a61670b92342077335aff398. Chain 2 (Bitcoin): anchored in block 960177 (2026-07-30T00:21:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279923.
  date published: 2026-07-30T00:21:01Z
audio: St. Matthew Passion, BWV 244: No. 23 Arie (Bass): Gerne will ich mich bequemen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.699
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.15
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.113
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279923
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960177
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T00:21:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279923
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960177
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960177
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:21:01+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 25 Choral: Was mein Gott will
type: MusicRecording
duration: PT1M27S
duration ms: 87400
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0587cc94b5adec5f4b7609a002c494f85a614b4f8ef20b3b6c1ccb08156c969. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279925.
  date published: 2026-07-30T14:36:16Z
audio: St. Matthew Passion, BWV 244: No. 25 Choral: Was mein Gott will
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.574
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.815
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.143
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.062
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI199279925
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960264
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279925
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 26 Rezitativ: Und er kam un fand sie aber schlafend
type: MusicRecording
duration: PT2M12S
duration ms: 132800
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1c7ad386e66af5bae62d94d6fd0662f2cfc9c66fa71c55691a52c77fc51bc5c. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279926.
  date published: 2026-07-30T09:57:33Z
audio: St. Matthew Passion, BWV 244: No. 26 Rezitativ: Und er kam un fand sie aber schlafend
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.86
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.901
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279926
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279926
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 27 Arie mit Chor: So ist mein Jesus nun gefangen!
type: MusicRecording
duration: PT3M50S
duration ms: 230906
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe37d82e613a0186f6ebe3ba0259a03df8a7801cc14acc97169f974cb49521c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279927.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 27 Arie mit Chor: So ist mein Jesus nun gefangen!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.338
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.156
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.006
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI199279927
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279927
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

St. Matthew Passion, BWV 244: No. 29 Choral: O Mensch, bewein dein Sunde gross
type: MusicRecording
duration: PT6M4S
duration ms: 364133
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
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Herz und Mund und Tat und Leben, BWV 147: Chorale. Jesus bleibet meine Freude
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by artist: Budapest Failoni Chamber Orchestra
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  date published: 2026-07-08T03:20:19Z
audio: Herz und Mund und Tat und Leben, BWV 147: Chorale. Jesus bleibet meine Freude
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Le nozze di Figaro, K. 492, Act IV: No. 29, Finale: e-g. Gente, gente, all'armi... Questo giorno di tormenti
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by artist: Cheryl Studer
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by artist: Istvan Gati
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  date published: 2026-06-13T17:25:41Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 29, Finale: e-g. Gente, gente, all'armi... Questo giorno di tormenti
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Symphony No. 29 in A Major, K. 201: I. Allegro moderato - Live
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 29 in A Major, K. 201: I. Allegro moderato - Live
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Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito - Live
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  date published: 2026-07-08T08:56:20Z
audio: Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito - Live
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Symphony No. 33 in B-Flat Major, K. 319: I. Allegro assai - Live
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  date published: 2026-07-08T08:56:20Z
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Symphony No. 33 in B-Flat Major, K. 319: II. Andante moderato - Live
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Bach, J.S.: Cantatas, Bwv 80 and 147
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date published: 2026-07-08T03:22:41Z

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Overture (Suite) No. 3 In D major, BWV 1068: Air On A G String, BWV 1068
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Sonata A 5: Sonata A 5 In D Major: I. Andante
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Sheep May Safely Graze, BWV 208
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Te Deum, H. 146 (Arr. For Organ): Te Deum, H. 146: Prelude (Arr. For Organ)
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Trumpet Tune
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String Quintet In E major, Op. 11, No. 5, G. 275 : String Quintet In E Major, G. 275: III. Minuetto
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Organ Symphony No. 5 in F minor, Op. 42, No. 1: Organ Symphony No. 5: Toccata
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by artist: Charles-Marie Widor
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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: 2026-07-02T03:55:08Z
audio: Organ Symphony No. 5 in F minor, Op. 42, No. 1: Organ Symphony No. 5: Toccata
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Suite Bergamasque : Suite bergamasque: III. Clair De Lune
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by artist: Claude Debussy
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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3 Gymnopedies (Arr. For Flute And Harp): Gymnopedie No. 1 (Arr. For Flute And Harp)
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by artist: Judy Loman
by artist: Erik Satie
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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2 Arabesques (Arr. For Flute And Harp): Arabesque No. 1 (Arr. For Flute And Harp)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: 2 Arabesques (Arr. For Flute And Harp): Arabesque No. 1 (Arr. For Flute And Harp)
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Ave Maria
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by artist: Charles Gounod
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ave Maria
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Carmen (Arr. For Flute And Harp): Carmen: Entr'acte To Act III (Arr. For Flute And Harp)
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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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Naxos Green
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track: Appalachian Spring: Simple Gifts
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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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Bach, J.S.: Cantatas, Bwv 211-212
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date published: 1992-06-12
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Ei! Wie schmeckt der Coffee susse
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Madchen, die von harten Sinnen
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Chorus: Die Katze lasst das Mausen nicht
track: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Presto - Andante - Allegro - Adagio
track: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Recitativo: Nu, Mieke, gib dein Guschel immer her
track: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": (Aria): Unser trefflicher lieber Kammerherr
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Recitativo: Schweigt stille
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Hat man nicht mit seinen Kindern
track: Schweigt stille, plaudert nicht, BWV 211, "Coffee Cantata": Aria: Heute noch, lieber Vater
track: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Aria (Duetto): Mer hahn en neue Oberkeet
track: Mer hahn en neue Oberkeet, BWV 212, "Peasant Cantata": Chor: Wir gehn nun, wo der Tudelsack

Bach, J.S.: Favourite Cantatas
type: MusicAlbum
date published: 1997-06-19

Verdi: Macbeth
type: MusicAlbum
date published: 2014-07-15

Bach, J.S.: St. Matthew Passion
type: MusicAlbum
date published: 1993-12-14
track: St. Matthew Passion, BWV 244: No. 1 Chor mit Choral: Kommt, ihr Tochter, helft mir klagen!
track: St. Matthew Passion, BWV 244: No. 30 Arie (Alt) mit Chor: Ach, nun ist mein Jesus hin!
track: St. Matthew Passion, BWV 244: No. 2 Rezitativ: Da Jesus diese Rede vollendet hatte
track: St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
track: St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
track: St. Matthew Passion, BWV 244: No. 34 Rezitativ (Tenor): Mein Jesus schweigt zu falschen Lugen stille
track: St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
track: St. Matthew Passion, BWV 244: No. 37 Choral: Wer hat dich so geschlagen
track: St. Matthew Passion, BWV 244: No. 38 Rezitativ und Chor: Petrus aber sass draussen im Palast
track: St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
track: St. Matthew Passion, BWV 244: No. 39 Arie (Alt): Erbarme dich, mein Gott
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  by artist: Istvan Gati
  by artist: Peter Koves
  by artist: Agnes Mester
  by artist: Jozsef Mukk
  by artist: Judit Nemeth
  by artist: Janos Remenyi
  by artist: Ibolya Verebics
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track: St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
track: St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
track: St. Matthew Passion, BWV 244: No. 17 Choral: Ich will hier bei dir stehen
track: St. Matthew Passion, BWV 244: No. 48 Rezitativ (Sopran): Er hat uns allen wohlgetan
track: St. Matthew Passion, BWV 244: No. 21 Rezitativ: Und ging hin ein wenig
track: St. Matthew Passion, BWV 244: No. 24 Rezitativ: Und er kam zu seinen Jungern
track: St. Matthew Passion, BWV 244: No. 28 Rezitativ: Und siehe, einer aus denen
track: St. Matthew Passion, BWV 244: No. 31 Rezitativ: Die aber Jesum gegriffen hatten
track: St. Matthew Passion, BWV 244: No. 32 Choral: Mir hat die Welt truglich gericht'
track: St. Matthew Passion, BWV 244: No. 33 Rezitativ: Und wiewohl viel falsche Zeugen
track: St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
track: St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
track: St. Matthew Passion, BWV 244: No. 35 Arie (Tenor): Geduld! Geduld!
track: St. Matthew Passion, BWV 244: No. 36 Rezitativ und Chor: Und der Hohepriester antwortete und sprach zu ihm
track: St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
track: St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
track: St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
track: St. Matthew Passion, BWV 244: No. 40: Choral Bin ich gleich von dir gewichen
track: St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
track: St. Matthew Passion, BWV 244: No. 41 Rezitativ und Chor: Des Morgens aber hielten alle Hohepriester
track: St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
track: St. Matthew Passion, BWV 244: No. 42 Arie (Bass): Gebt mir meinen Jesum wieder!
track: St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
track: St. Matthew Passion, BWV 244: No. 43 Rezitativ: Sie hielten aber einen Rat
track: St. Matthew Passion, BWV 244: No. 44: Choral Befiehl du deine Wege
track: St. Matthew Passion, BWV 244: No. 45 Rezitativ und Chor: Auf das Fest aber hatte der Landpfleger Gewohnheit
track: St. Matthew Passion, BWV 244: No. 46 Choral: Wie wunderbarlich ist doch diese Strafe!
track: St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
track: St. Matthew Passion, BWV 244: No. 19 Rezitativ (Tenor) mit Choral: O Schmerz!
track: St. Matthew Passion, BWV 244: No. 20 Arie (Tenor) mit Chor: Ich will bei meinem Jesu wachen
track: St. Matthew Passion, BWV 244: No. 49 Arie (Sopran): Aus Liebe will mein Heiland sterben!
track: St. Matthew Passion, BWV 244: No. 50: Rezitativ und Chor: Sie schrieen aber noch mehr und sprachen
track: St. Matthew Passion, BWV 244: No. 22 Rezitativ (Bass): Der Heiland fallt vor seinem Vater nieder
track: St. Matthew Passion, BWV 244: No. 23 Arie (Bass): Gerne will ich mich bequemen
track: St. Matthew Passion, BWV 244: No. 25 Choral: Was mein Gott will
track: St. Matthew Passion, BWV 244: No. 26 Rezitativ: Und er kam un fand sie aber schlafend
track: St. Matthew Passion, BWV 244: No. 27 Arie mit Chor: So ist mein Jesus nun gefangen!
track: St. Matthew Passion, BWV 244: No. 29 Choral: O Mensch, bewein dein Sunde gross

Änglar
type: MusicAlbum
date published: 1999-01-01

Discover Choral Music
type: MusicAlbum
date published: 2007-08-01

100 Must-Have Italian Classics
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track: Adagio in G Minor
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track: The Four Seasons - Concerto No. 4 in F Minor, Op. 8, RV 297 "Winter": II. Largo
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The Four Seasons - Concerto No. 4 in F Minor, Op. 8, RV 297 "Winter": II. Largo
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100 Must-Have Italian Opera Highlights
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20 Most Famous Opera Pieces of All Times
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Carmen Suite No. 2: II. Habanera
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Classical Music Dinner Playlist
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Liszt: Don Sanche, S476/R13
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Classical Music Morning Playlist
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Restaurant Classical Music Playlist
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:47:07Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T12:53:06Z
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track: Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
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  subject of: OpenTimestamps Proof of Existence
  audio: Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
track: Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
track: Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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track: Le nozze di Figaro, K. 492, Act I: No. 10, Non più andrai
track: Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
track: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
track: Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
track: Le nozze di Figaro, K. 492, Act II: No. 14, Trio. Susanna or via sortite
track: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
track: Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
track: Le nozze di Figaro, K. 492, Act III: Recit. Hai già vinta la causa! - No. 18, Vedro mentr'io sospiro
track: Le nozze di Figaro, K. 492, Act III: No. 20, E Susanna non vien! - Dove sono i bei momenti
track: Le nozze di Figaro, K. 492, Act III: Recit. E decisa la lite
track: Le nozze di Figaro, K. 492, Act III: No. 19, Sextet. Riconosci in questo amplesso
track: Le nozze di Figaro, K. 492, Act III: Recit. Cosa mi narri! - No. 21, Sull'aria... Che soave zeffiretto "Letter Duet"
track: Le nozze di Figaro, K. 492, Act IV: No. 24, L'ho perduta, me meschina
track: Le nozze di Figaro, K. 492, Act IV: No. 27, Aprite un po' quegl' occhi
track: Le nozze di Figaro, K. 492, Act IV: No. 28b, Deh vieni, non tardar
track: Le nozze di Figaro, K. 492, Act IV: No. 29, Finale: e-g. Gente, gente, all'armi... Questo giorno di tormenti

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-06-13T12:53:06Z

Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
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Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
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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: 2026-06-13T17:25:41Z
audio: Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
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Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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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: 2026-06-13T15:41:10Z
audio: Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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Le nozze di Figaro, K. 492, Act I: No. 8, Chorus. Giovani liete, fiori spargete
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Le nozze di Figaro, K. 492, Act I: No. 10, Non più andrai
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: Le nozze di Figaro, K. 492, Act I: No. 10, Non più andrai
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Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
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by artist: Wolfgang Amadeus Mozart
by artist: Cheryl Studer
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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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: 2026-06-13T15:41:10Z
audio: Le nozze di Figaro, K. 492, Act II: No. 11, Porgi amor
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Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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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
  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: 2026-06-13T12:53:06Z
audio: Le nozze di Figaro, K. 492, Act II: No. 12, Voi che sapete
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Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
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by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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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: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act II: No. 13, Venite inginocchiatevi
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Le nozze di Figaro, K. 492, Act II: No. 14, Trio. Susanna or via sortite
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by artist: Wolfgang Amadeus Mozart
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by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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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: 2026-06-13T17:25:41Z
audio: Le nozze di Figaro, K. 492, Act II: No. 14, Trio. Susanna or via sortite
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Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
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duration: PT3M37S
duration ms: 217000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Anna Caterina Antonacci
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by artist: Lucio Gallo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
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Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
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duration: PT2M33S
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by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Claudio Abbado
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genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
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Le nozze di Figaro, K. 492, Act III: Recit. Hai già vinta la causa! - No. 18, Vedro mentr'io sospiro
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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/DEF059430584
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124e2e5a3ba884d34f298997649bfacc5a07e3fd70b2a729df624ff0bb197625. 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/DEF059430584.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act III: Recit. Hai già vinta la causa! - No. 18, Vedro mentr'io sospiro
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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Le nozze di Figaro, K. 492, Act III: No. 20, E Susanna non vien! - Dove sono i bei momenti
type: MusicRecording
duration: PT5M32S
duration ms: 332906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Cheryl Studer
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430582
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T16:31:30+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa0176f8809963a8e6abf42b52a3a685e05633c4783ec2a732214d4e2aff978d6
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/DEF059430582
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0176f8809963a8e6abf42b52a3a685e05633c4783ec2a732214d4e2aff978d6. 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/DEF059430582.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act III: No. 20, E Susanna non vien! - Dove sono i bei momenti
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Le nozze di Figaro, K. 492, Act III: Recit. E decisa la lite
type: MusicRecording
duration: PT1M52S
duration ms: 112893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Peter Jelosits
by artist: Anna Caterina Antonacci
by artist: Lucio Gallo
by artist: Ildebrando D'Arcangelo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430553
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T00:50:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd156f6ddda3380900919e1a24f3616eec1ebcd229190db871507ef3c2529d81e
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/DEF059430553
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd156f6ddda3380900919e1a24f3616eec1ebcd229190db871507ef3c2529d81e. 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/DEF059430553.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act III: Recit. E decisa la lite
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Le nozze di Figaro, K. 492, Act III: No. 19, Sextet. Riconosci in questo amplesso
type: MusicRecording
duration: PT4M59S
duration ms: 299973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Peter Jelosits
by artist: Anna Caterina Antonacci
by artist: Lucio Gallo
by artist: Ildebrando D'Arcangelo
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:31:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x880d5b3924b413afac4ae821f3d7a5274858dc8423b90c78d6f78014558e2954
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430554
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x880d5b3924b413afac4ae821f3d7a5274858dc8423b90c78d6f78014558e2954. 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/DEF059430554.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act III: No. 19, Sextet. Riconosci in questo amplesso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.552
  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: 0.36
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.42
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.953
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Le nozze di Figaro, K. 492, Act III: Recit. Cosa mi narri! - No. 21, Sull'aria... Che soave zeffiretto "Letter Duet"
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430583
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T16:08:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x024a83bb8f24191329e9d2b1c4e959cc0ef1f58a68e19ff823991cd09a91813f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430583
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x024a83bb8f24191329e9d2b1c4e959cc0ef1f58a68e19ff823991cd09a91813f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430583.
  date published: 2026-06-13T17:25:41Z
audio: Le nozze di Figaro, K. 492, Act III: Recit. Cosa mi narri! - No. 21, Sull'aria... Che soave zeffiretto "Letter Duet"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.741
  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: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.393
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.36
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act IV: No. 24, L'ho perduta, me meschina
type: MusicRecording
duration: PT1M41S
duration ms: 101000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Andrea Rost
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:48:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf21189d673ff3d0a85ed12295e067ce06f6348572e4f012ddf603e03e54e4b38
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430565
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf21189d673ff3d0a85ed12295e067ce06f6348572e4f012ddf603e03e54e4b38. 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/DEF059430565.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 24, L'ho perduta, me meschina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.374
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.894
  additional property: Key Name
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  additional property: Mode Name
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Le nozze di Figaro, K. 492, Act IV: No. 27, Aprite un po' quegl' occhi
type: MusicRecording
duration: PT2M45S
duration ms: 165000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucio Gallo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le Nozze di Figaro (Highlights)
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430572
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e3c9aafd7219139ac22332da354e7975b680065501e43c1b5a2567db0a88588
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430572
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e3c9aafd7219139ac22332da354e7975b680065501e43c1b5a2567db0a88588. 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/DEF059430572.
  date published: 2026-06-13T13:32:09Z
audio: Le nozze di Figaro, K. 492, Act IV: No. 27, Aprite un po' quegl' occhi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.205
  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: 0.526
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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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
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  subject of: OpenTimestamps Proof of Existence
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track: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: a. Esci omai garzon malnato
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track: Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
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track: Le nozze di Figaro, K. 492, Act I: Recit. Ed aspettaste il giorno fissato
track: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: g. Vostre dunque saran queste carte
track: Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
track: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
track: Le nozze di Figaro, K. 492, Act I: No. 5, Duet. Via resti servita
track: Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
track: Le nozze di Figaro, K. 492, Act III: Recit. E perché fosti meco
track: Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
track: Le nozze di Figaro, K. 492, Act I: Recit. Ah, son perduto!

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

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Le nozze di Figaro, K. 492, Act II: No. 16, Finale: a. Esci omai garzon malnato
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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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additional property: OTSVerifyInstructions
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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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  value: https://explorer.copyrightchains.com/tx/0xaeee3903b975d027a23736294190c9a88ff3574d99ac1f42e9cdc3271e2448fe
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/DEF059430541
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 0xaeee3903b975d027a23736294190c9a88ff3574d99ac1f42e9cdc3271e2448fe. 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/DEF059430541.
  date published: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: e. Conoscete, signor Figaro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.627
  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: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.099
  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: 0.604
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.505
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.126
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
type: MusicRecording
duration: PT2M19S
duration ms: 139066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucio Gallo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:52:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68df9ec90b13e3ae687b7a3a1a477b7291fc5e19f60c5343ef8761942b7774ae
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/DEF059430509
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 0x68df9ec90b13e3ae687b7a3a1a477b7291fc5e19f60c5343ef8761942b7774ae. 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/DEF059430509.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492, Act I: No. 3, Se vuol ballare, signor Contino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.909
  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: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.089
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.318
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.587
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act II: No. 16, Finale: f. Ah signor, signor - Cos’è stato?
type: MusicRecording
duration: PT2M53S
duration ms: 173466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430542
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:08:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa684623fe4d16d6c2625baaea6e3cb23d05438e93dcd3ebb228c230244c6dea2
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/DEF059430542
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 0xa684623fe4d16d6c2625baaea6e3cb23d05438e93dcd3ebb228c230244c6dea2. 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/DEF059430542.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: f. Ah signor, signor - Cos’è stato?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.548
  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: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.248
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.563
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.472
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.547
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act I: Recit. Ed aspettaste il giorno fissato
type: MusicRecording
duration: PT0M53S
duration ms: 53493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ildebrando D'Arcangelo
by artist: Anna Caterina Antonacci
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:58:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a078a3db11b8fb172fdbf827ea009fbb375b1094827ffdc36ceb8f02d4584ca
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/DEF059430510
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 0x7a078a3db11b8fb172fdbf827ea009fbb375b1094827ffdc36ceb8f02d4584ca. 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/DEF059430510.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492, Act I: Recit. Ed aspettaste il giorno fissato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.35
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.624
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.456
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.487
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.166
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act II: No. 16, Finale: g. Vostre dunque saran queste carte
type: MusicRecording
duration: PT2M28S
duration ms: 148266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430543
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:12:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x730a12fc7d899eeb7d6a0cc552594f3843f2b58a0e5776e15f52943cb2a3a22e
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/DEF059430543
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 0x730a12fc7d899eeb7d6a0cc552594f3843f2b58a0e5776e15f52943cb2a3a22e. 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/DEF059430543.
  date published: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: g. Vostre dunque saran queste carte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.027
  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: 0.519
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.386
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.355
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
type: MusicRecording
duration: PT3M6S
duration ms: 186133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ildebrando D'Arcangelo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:05:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x334c297bcfa9f9dace99502e885a55f6c45eaa7523382c0be627006e78d92453
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/DEF059430511
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 0x334c297bcfa9f9dace99502e885a55f6c45eaa7523382c0be627006e78d92453. 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/DEF059430511.
  date published: 2026-07-08T08:56:20Z
audio: Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.054
  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: 0.338
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.518
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
type: MusicRecording
duration: PT3M36S
duration ms: 216400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Cheryl Studer
by artist: Sylvia McNair
by artist: Anna Caterina Antonacci
by artist: Carlo Allemano
by artist: Ildebrando D'Arcangelo
by artist: Lucio Gallo
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430544
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:51:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcdf8ae924489d42fd3bfc812fbbe4ec726c43081ed76fab5ddc9ccf004a2cd9a
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/DEF059430544
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 0xcdf8ae924489d42fd3bfc812fbbe4ec726c43081ed76fab5ddc9ccf004a2cd9a. 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/DEF059430544.
  date published: 2026-07-08T03:20:19Z
audio: Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.844
  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: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.348
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.128
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Le nozze di Figaro, K. 492, Act I: No. 5, Duet. Via resti servita
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duration: PT2M8S
duration ms: 128426
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by artist: Wolfgang Amadeus Mozart
by artist: Anna Caterina Antonacci
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
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  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430513
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430513
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 0xdf77e9e5e88492b2514d0a8c6b160adc6636de5865bceb24da7fbd6fbd400d60. 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/DEF059430513.
  date published: 2026-07-08T03:22:41Z
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Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
type: MusicRecording
duration: PT2M27S
duration ms: 147493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bo Skovhus
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
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  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430546
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430546
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 0xbb1f1ff9e254c94efc47502b2e25b0153040ea8cff95ccd6f6667df975975eb2. 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/DEF059430546.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act III: No. 17, Duet. Crudel! perchè finora
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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Le nozze di Figaro, K. 492, Act III: Recit. E perché fosti meco
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duration: PT0M44S
duration ms: 44773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Lucio Gallo
by artist: Sylvia McNair
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430547
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:10:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66b8bbf8b103167c28fdc0cfca5d782547e6cd71521a99b0bff8332c6ead8295
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430547
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 0x66b8bbf8b103167c28fdc0cfca5d782547e6cd71521a99b0bff8332c6ead8295. 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/DEF059430547.
  date published: 2026-07-08T03:22:41Z
audio: Le nozze di Figaro, K. 492, Act III: Recit. E perché fosti meco
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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duration: PT2M42S
duration ms: 162400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Cecilia Bartoli
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:54:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1eb19bfa61ac9bbdc3788312199b2dfd361f1b8febb1828d07c1a27cae0c80d4
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEF059430515
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 0x1eb19bfa61ac9bbdc3788312199b2dfd361f1b8febb1828d07c1a27cae0c80d4. 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/DEF059430515.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act I: No. 6, Non so più cosa son, cosa faccio
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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Le nozze di Figaro, K. 492, Act I: Recit. Ah, son perduto!
type: MusicRecording
duration: PT3M14S
duration ms: 194333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Cecilia Bartoli
by artist: Sylvia McNair
by artist: Bo Skovhus
by artist: Wiener Philharmoniker
by artist: Claudio Abbado
in album: Mozart: Le nozze di Figaro
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-era
isrc code: DEF059430516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059430516
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 0x3dd098deb99d389116b72cdb1cc12bb5e2362eaba24e3330ce6d17944e973b5c. 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/DEF059430516.
  date published: 2026-07-08T03:53:27Z
audio: Le nozze di Figaro, K. 492, Act I: Recit. Ah, son perduto!
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    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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