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description: Endrik Wottrich (13 October 1964 – 26 April 2017Wagner-Tenor Endrik Wottrich überraschend gestorben) was a German operatic tenor. Life Born in Celle, Wottrich studied singing with Ingeborg Hallstei
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  track: Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
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Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (e) Allegretto, ma non troppo - Presto
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Wagner: Tannhäuser, Act 1: "Naht euch dem Strande!" (Sirenen)
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
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    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.456
  additional property: Key Name
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    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
type: MusicRecording
duration: PT5M19S
duration ms: 319373
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Staatskapelle Berlin
by artist: Waltraud Meier
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 2
genre: classical
genre: opera
isrc code: DEA800113203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-11T12:17:45+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xb102481a2ef2f9c3374aa002924223868c57519a3c9540588d6c6e13a2a3973e
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/DEA800113203
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 0xb102481a2ef2f9c3374aa002924223868c57519a3c9540588d6c6e13a2a3973e. 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/DEA800113203.
  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.737
  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: 0.213
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.199
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tannhäuser, Act 1: "Geliebter! Komm, sieh dort die Grotte" (Venus, Sirenen)
type: MusicRecording
duration: PT5M4S
duration ms: 304626
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Staatskapelle Berlin
by artist: Waltraud Meier
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 1
genre: classical
genre: opera
isrc code: DEA800113206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T19:40:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdeaaee4ebf878434d8eb5740a7c5c4fb6c4f0b4a990f6172810d5813f15e8c78
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/DEA800113206
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 0xdeaaee4ebf878434d8eb5740a7c5c4fb6c4f0b4a990f6172810d5813f15e8c78. 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/DEA800113206.
  date published: 2026-07-08T03:22:41Z
audio: Wagner: Tannhäuser, Act 1: "Geliebter! Komm, sieh dort die Grotte" (Venus, Sirenen)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.984
  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: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.407
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.605
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tannhäuser, Act 1: "Stets soll nur dir mein Leid ertönen" (Tannhäuser)
type: MusicRecording
duration: PT1M43S
duration ms: 103000
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Peter Seiffert
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 1
genre: classical
genre: opera
isrc code: DEA800113207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:56:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd05fe9694708ae8d8fe865c6502c33d694dbb881a63820d6de6a352d0ae70475
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800113207
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 0xd05fe9694708ae8d8fe865c6502c33d694dbb881a63820d6de6a352d0ae70475. 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/DEA800113207.
  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 1: "Stets soll nur dir mein Leid ertönen" (Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.686
  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: 0.353
  additional property: Energy
    type: PropertyValue
    value: 0.347
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.508
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.338
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.172
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tannhäuser, Act 2: Einzug der Gäste
type: MusicRecording
duration: PT2M38S
duration ms: 158866
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 3
genre: classical
genre: opera
isrc code: DEA800113218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:10:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25f0c199a97ad81612ad6f2d470f46accb2b71713b2e5928c10d2f4b3844da3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800113218
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 0x25f0c199a97ad81612ad6f2d470f46accb2b71713b2e5928c10d2f4b3844da3c. 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/DEA800113218.
  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 2: Einzug der Gäste
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.341
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.806
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.192
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Tannhäuser, Act 2: "Freudig begrüssen wir die edlen Halle" (Ritter, Grafen, Edelfrauen, Edelknaben)
type: MusicRecording
duration: PT3M40S
duration ms: 220133
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 2
genre: classical
genre: opera
isrc code: DEA800113219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:50:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa2829e402b16df4cab7b48267e2b9f79c811dc91b16312cdd487843fb8c2d02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800113219
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 0xfa2829e402b16df4cab7b48267e2b9f79c811dc91b16312cdd487843fb8c2d02. 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/DEA800113219.
  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 2: "Freudig begrüssen wir die edlen Halle" (Ritter, Grafen, Edelfrauen, Edelknaben)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.862
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.235
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.255
  additional property: Liveness
    type: PropertyValue
    value: 0.324
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.848
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Die Meistersinger von Nürnberg
type: MusicAlbum
date published: 2000
track: Wagner: Die Meistersinger von Nürnberg, Prelude to Act 1
  type: MusicRecording
  duration: PT9M28S
  duration ms: 568066
  explicit: false
  by artist: Richard Wagner
  by artist: Daniel Barenboim
  by artist: Bayreuth Festival Orchestra
  in album: Wagner: Die Meistersinger von Nürnberg
    type: MusicAlbum
    date published: 2000
  genre: classical
  genre: opera
  isrc code: DEA800013401
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:25:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x92d23cd748451c45daa238de9c8713b60a641efa7993eadeafd3ec97ab7dea86
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800013401
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92d23cd748451c45daa238de9c8713b60a641efa7993eadeafd3ec97ab7dea86. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800013401.
    date published: 2026-07-02T03:55:08Z
  audio: Wagner: Die Meistersinger von Nürnberg, Prelude to Act 1
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.495
    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: 0.191
    additional property: Energy
      type: PropertyValue
      value: 0.284
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.877
    additional property: Liveness
      type: PropertyValue
      value: 0.786
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.194
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.666
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Verweilt! Ein Wort - Ein einzig Wort!" (Walther, Eva, Magdalene)
  type: MusicRecording
  duration: PT5M2S
  duration ms: 302173
  explicit: false
  by artist: Richard Wagner
  by artist: Daniel Barenboim
  by artist: Bayreuth Festival Orchestra
  by artist: Birgitta Svendén
  by artist: Emily Magee
  by artist: Peter Seiffert
  in album: Wagner: Die Meistersinger von Nürnberg
    type: MusicAlbum
    date published: 2000
  genre: classical
  genre: opera
  isrc code: DEA800013403
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800013403
  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
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    date published: 2026-07-08T03:22:41Z
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track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Mein Herr! Der Singer Meister - Schlag" (David, Walther)
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  subject of: OpenTimestamps Proof of Existence
  audio: Wagner: Die Meistersinger von Nürnberg, Act 1: "Mein Herr! Der Singer Meister - Schlag" (David, Walther)
track: Wagner: Die Meistersinger von Nürnberg, Act 1 "Der Meister Tön' und Weisen" (David, Walther, Chorus)
track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Nur dies noch" (David, Walther, Chorus)
track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Zu einer Freiung und Zunftberatung" (Pogner, Beckmesser, Walther, David, Sachs, Chorus)
track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Für wichtigen Antrag bitt ich ums Wort" (Pogner, Kothner)
track: Wagner: Die Meistersinger von Nürnberg, Act 1: "Seid ihr nun fertig?" (Beckmesser, Walther, Pogner, Kothner, Chorus)
track: Wagner: Die Meistersinger von Nürnberg, Act 2: "Gut'n Abend, Meister! Noch so fleißig?" (Eva, Sachs, Magdalene)
track: Wagner: Die Meistersinger von Nürnberg, Act 2: "Tu's nicht! - Doch Horch!" (Eva, Walther, Sachs)
track: Wagner: Die Meistersinger von Nürnberg, Act 2: "Jerum! Jerum! Hallo hallohe!" (Sachs, Beckmesser, Walther, Eva)
track: Wagner: Die Meistersinger von Nürnberg, Act 2: "Ach, Himmel! David! Gott, welche Not!" (Magdalene, Pogner, Walther, Nachtwachter, Chorus)
track: Wagner: Die Meistersinger von Nürnberg, Act 3: "Am Jordan Sankt Johannes stand" (David, Sachs)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16baf074a7ddcc18d65ac35e28edd52787746ecab052fd3ac75e8c7721a0abfc. 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/DEA800013406.
date published: 2026-07-08T03:20:19Z

Wagner: Die Meistersinger von Nürnberg, Act 1: "Mein Herr! Der Singer Meister - Schlag" (David, Walther)
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Wagner: Die Meistersinger von Nürnberg, Act 1 "Der Meister Tön' und Weisen" (David, Walther, Chorus)
type: MusicRecording
duration: PT5M24S
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by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Endrik Wottrich
by artist: Peter Seiffert
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc60b4b37843a443ece06ad3ddcf8bb4cf32395c772b143755d5e956fbf2d68. 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/DEA800013407.
  date published: 2026-07-08T03:22:41Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 1 "Der Meister Tön' und Weisen" (David, Walther, Chorus)
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Wagner: Die Meistersinger von Nürnberg, Act 1: "Nur dies noch" (David, Walther, Chorus)
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duration: PT4M52S
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by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Bayreuth Festival Orchestra
in album: Wagner: Die Meistersinger von Nürnberg
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d922ee79315a81be2790e0f0b3fcb823233870e709a3b4c85f0f6ba76a2f95. 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/DEA800013408.
  date published: 2026-07-08T03:22:41Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 1: "Nur dies noch" (David, Walther, Chorus)
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Wagner: Die Meistersinger von Nürnberg, Act 1: "Zu einer Freiung und Zunftberatung" (Pogner, Beckmesser, Walther, David, Sachs, Chorus)
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duration: PT2M26S
duration ms: 146066
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Bayreuth Festival Orchestra
in album: Wagner: Die Meistersinger von Nürnberg
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genre: classical
genre: opera
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: 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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e15cf81cd3448926b9603ee28e4d26520b33f29364277e5d2eddcb2e9ba74c6. 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/DEA800013410.
  date published: 2026-07-08T03:22:41Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 1: "Zu einer Freiung und Zunftberatung" (Pogner, Beckmesser, Walther, David, Sachs, Chorus)
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Wagner: Die Meistersinger von Nürnberg, Act 1: "Für wichtigen Antrag bitt ich ums Wort" (Pogner, Kothner)
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duration: PT4M48S
duration ms: 288333
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Bayreuth Festival Orchestra
in album: Wagner: Die Meistersinger von Nürnberg
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genre: classical
genre: opera
isrc code: DEA800013411
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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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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  date published: 2026-07-08T03:20:19Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 1: "Für wichtigen Antrag bitt ich ums Wort" (Pogner, Kothner)
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Wagner: Die Meistersinger von Nürnberg, Act 1: "Seid ihr nun fertig?" (Beckmesser, Walther, Pogner, Kothner, Chorus)
type: MusicRecording
duration: PT2M15S
duration ms: 135733
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Andreas Schmidt
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Hans-Joachim Ketelsen
by artist: Peter Seiffert
by artist: Robert Holl
in album: Wagner: Die Meistersinger von Nürnberg
  type: MusicAlbum
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genre: classical
genre: opera
isrc code: DEA800013417
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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x2af542e9a72ea8637a95a2297a9f3d4a2128034825d3f50dac48d8efe88c429c. 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/DEA800013417.
  date published: 2026-07-08T08:56:20Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 1: "Seid ihr nun fertig?" (Beckmesser, Walther, Pogner, Kothner, Chorus)
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Wagner: Die Meistersinger von Nürnberg, Act 2: "Gut'n Abend, Meister! Noch so fleißig?" (Eva, Sachs, Magdalene)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 2: "Gut'n Abend, Meister! Noch so fleißig?" (Eva, Sachs, Magdalene)
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Wagner: Die Meistersinger von Nürnberg, Act 2: "Tu's nicht! - Doch Horch!" (Eva, Walther, Sachs)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Wagner: Die Meistersinger von Nürnberg, Act 2: "Jerum! Jerum! Hallo hallohe!" (Sachs, Beckmesser, Walther, Eva)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 2: "Jerum! Jerum! Hallo hallohe!" (Sachs, Beckmesser, Walther, Eva)
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Wagner: Die Meistersinger von Nürnberg, Act 2: "Ach, Himmel! David! Gott, welche Not!" (Magdalene, Pogner, Walther, Nachtwachter, Chorus)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 2: "Ach, Himmel! David! Gott, welche Not!" (Magdalene, Pogner, Walther, Nachtwachter, Chorus)
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Wagner: Die Meistersinger von Nürnberg, Act 3: "Am Jordan Sankt Johannes stand" (David, Sachs)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Wagner: Die Meistersinger von Nürnberg, Act 3: "Am Jordan Sankt Johannes stand" (David, Sachs)
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Berg: Wozzeck, Op. 7
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100 Best Opera Classics
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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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  subject of: OpenTimestamps Proof of Existence
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track: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
track: Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
track: Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
track: Verdi: Aïda, Act 1: "Se quel guerrier io fossi! ... Celeste Aida" (Radamès)
track: Verdi: La traviata, Act 3: "Teneste la promessa ... Addio del passato" (Violetta)
track: Verdi: Otello, Act 4: "Niun mi tema" (Otello)
track: Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
track: Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
track: Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
track: Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
track: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
track: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
track: Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
track: Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin)
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Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
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by artist: Wolfgang Amadeus Mozart
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by artist: London Classical Players
by artist: Schütz Choir of London
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
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Rossini: Il barbiere di Siviglia, Act 2: Aria. "La calunnia è un venticello" (Basilio)
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by artist: Ruggero Raimondi
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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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Verdi: Don Carlo, Act 2: "Nei giardin del bello saracin ostello" (Eboli, Tebaldo, Coro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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subject of: OpenTimestamps Proof of Existence
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Verdi: Otello, Act 4: "Niun mi tema" (Otello)
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Puccini: Madama Butterfly, Act 2: "Un bel dì vedremo" (Butterfly)
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Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
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Puccini: Turandot, Act 1: "Signore, ascolta" (Liù)
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Leoncavallo: Pagliacci, Act 1: "Recitar! ... Vesti la giubba" (Canio)
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Giordano: Fedora, Act 2: "Amor ti vieta di non amar" (Loris)
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Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Delibes: Lakmé, Act 2: Air des clochettes. "Où va la jeune hindoue" (Lakmé)
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Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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duration: PT4M57S
duration ms: 297906
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by artist: Georges Bizet
by artist: Georges Prêtre
by artist: José van Dam
by artist: Orchestre Philharmonique de Radio France
by artist: Nouvel Orchestre Philharmonique de Radio France
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ea3383e03206b5c91a5a5edd1a8de274ca6c5a846ec0574137e97b3e0ceeb0. 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/FRZ118503335.
  date published: 2026-07-08T03:20:19Z
audio: Bizet: La jolie fille de Perth, WD 15, Act 2: "Quand la flamme de l'amour" (Ralph)
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Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
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duration: PT5M15S
duration ms: 315653
explicit: false
by artist: Camille Saint-Saëns
by artist: Georges Prêtre
by artist: Jon Vickers
by artist: Rita Gorr
by artist: Orchestre du Théâtre National de l'Opéra de Paris
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genre: classical
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a3a837f791d5fa0813793ca4eb3da09947e2962ce4ca510b51f539732a3d72. 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/FRZ110100171.
  date published: 2026-07-08T03:20:19Z
audio: Saint-Saëns: Samson et Dalila, Op. 47, Act 2, Scene 3: Air. "Mon cœur s'ouvre à ta voix" (Dalila, Samson)
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Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)
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duration: PT4M18S
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by artist: Richard Wagner
by artist: Dietrich Fischer-Dieskau
by artist: Orchester Der Staatsoper Berlin
by artist: Franz Konwitschny
by artist: Staatsopernorchester Berlin
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Wagner: Tannhäuser, Act 3: "Wie Todesahnung" - "O du, mein holder Abendstern" (Wolfram)
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Gurlitt, M.: Wozzeck [Opera]
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Wagner: Der Ring des Nibelungen
type: MusicAlbum
date published: 2009-01-11
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  by artist: Ralf Lukas
  by artist: Andrew Shore
  by artist: Hans-Peter Konig
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  by artist: Christa Mayer
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  by artist: Ulrike Helzel
  by artist: Bayreuth Festival Chorus
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Gotterdammerung (Twilight of the Gods): Prologue: Einleitung
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track: Das Rheingold: Scene 1: Vorspiel
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  by artist: Albert Dohmen
  by artist: Ralf Lukas
  by artist: Clemens Bieber
  by artist: Arnold Bezuyen
  by artist: Andrew Shore
  by artist: Gerhard Siegel
  by artist: Kwangchul Youn
  by artist: Hans-Peter Konig
  by artist: Michelle Breedt
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:04:01Z
  audio: Das Rheingold: Scene 1: Vorspiel
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track: Das Rheingold: Scene 1: Garstig glatter glitschiger Glimmer! (Alberich, Woglinde, Wellgunde, Flosshilde)
track: Das Rheingold: Scene 1: Wallala! Lalaleia! Schame dich, Albe! (Woglinde, Wellgunde, Flosshilde, Alberich)
track: Das Rheingold: Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund (Woglinde, Wellgunde, Flosshilde, Alberich)

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by artist: Richard Wagner
by artist: Albert Dohmen
by artist: Ralf Lukas
by artist: Clemens Bieber
by artist: Arnold Bezuyen
by artist: Andrew Shore
by artist: Gerhard Siegel
by artist: Kwangchul Youn
by artist: Hans-Peter Konig
by artist: Michelle Breedt
by artist: Edith Haller
by artist: Christa Mayer
by artist: Fionnuala McCarthy
by artist: Ulrike Helzel
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by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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by artist: Hans-Peter Konig
by artist: Michelle Breedt
by artist: Edith Haller
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by artist: Fionnuala McCarthy
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Das Rheingold: Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund (Woglinde, Wellgunde, Flosshilde, Alberich)
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  by artist: Wilke te Brummelstroete
  by artist: Annette Kuttenbaum
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  by artist: Bayreuth Festival Orchestra
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  genre: classical
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Die Walkure: Act III Scene 1: Fort denn eile, nach Osten gewandt! (Brunnhilde, Sieglinde)
track: Die Walkure: Act III Scene 2: Steh! Brunnhild'! (Wotan, Die Walkure, Brunnhilde) - Wo ist Brunnhild', wo die Verbrecherin? (Wotan, Die Walkure)
track: Die Walkure: Act II Scene 1: Heiaha! Hojotoho! - Dort kommt deine kuhne Maid (Brunnhilde, Fricka, Wotan)
track: Die Walkure: Act III Scene 2: Du verstossest mich? (Brunnhilde, Woten, Die Walkure)
track: Die Walkure: Act I Scene 2: Die so leidig Los dir beschied (Hunding, Sieglinde, Siegmunde)
track: Die Walkure: Act I Scene 3: Schlafst du, Gast? (Sieglinde, Siegmund)
track: Die Walkure: Act I Scene 3: Wintersturme wichen dem Wonnemond (Siegmund)
track: Die Walkure: Act I Scene 3: Siegmund, den Walsung, siehst du, Weib! (Siegmund, Sieglinde)

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by artist: Sonja Muhleck
by artist: Anna Gabler
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die Walkure: Act II Scene 1: Der alte Sturm, die alte Muh'! (Wotan, Fricka)
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additional property: OTSBitcoinBlock
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  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900092
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 0xbb16d693d1f05164de0ddf583b06b93317263a25422d806dc319f77735d0a5c2. 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/GB6CE0900092.
  date published: 2026-07-08T03:53:27Z
audio: Die Walkure: Act III Scene 1: Fort denn eile, nach Osten gewandt! (Brunnhilde, Sieglinde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.372
  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: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
    value: 0.7
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.326
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Walkure: Act III Scene 2: Steh! Brunnhild'! (Wotan, Die Walkure, Brunnhilde) - Wo ist Brunnhild', wo die Verbrecherin? (Wotan, Die Walkure)
type: MusicRecording
duration: PT4M42S
duration ms: 282160
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 2
genre: classical
genre: opera
isrc code: GB6CE0900093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:48:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x888944d083da3926219b8137fe52cd8eed9084e43a8e9df1033a02421e62967d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900093
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 0x888944d083da3926219b8137fe52cd8eed9084e43a8e9df1033a02421e62967d. 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/GB6CE0900093.
  date published: 2026-07-08T03:53:27Z
audio: Die Walkure: Act III Scene 2: Steh! Brunnhild'! (Wotan, Die Walkure, Brunnhilde) - Wo ist Brunnhild', wo die Verbrecherin? (Wotan, Die Walkure)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.191
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.228
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.443
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.178
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.554
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Walkure: Act II Scene 1: Heiaha! Hojotoho! - Dort kommt deine kuhne Maid (Brunnhilde, Fricka, Wotan)
type: MusicRecording
duration: PT3M21S
duration ms: 201226
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 3
genre: classical
genre: opera
isrc code: GB6CE0900073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:23:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd7953b01a2494d975b2ac6b29c8b82d4af7fb42e850267abaa46cd0b250934d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900073
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd7953b01a2494d975b2ac6b29c8b82d4af7fb42e850267abaa46cd0b250934d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900073.
  date published: 2026-07-08T03:39:04Z
audio: Die Walkure: Act II Scene 1: Heiaha! Hojotoho! - Dort kommt deine kuhne Maid (Brunnhilde, Fricka, Wotan)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.221
  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: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.054
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.423
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Walkure: Act III Scene 2: Du verstossest mich? (Brunnhilde, Woten, Die Walkure)
type: MusicRecording
duration: PT6M30S
duration ms: 390053
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 2
genre: classical
genre: opera
isrc code: GB6CE0900095
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:48:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8d71be60836497fc934df4d07bd16d57d61831d04ba49445a40f2453b08f400
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/GB6CE0900095
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 0xe8d71be60836497fc934df4d07bd16d57d61831d04ba49445a40f2453b08f400. 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/GB6CE0900095.
  date published: 2026-07-08T08:56:20Z
audio: Die Walkure: Act III Scene 2: Du verstossest mich? (Brunnhilde, Woten, Die Walkure)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.767
  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: 0.178
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.199
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.082
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Walkure: Act I Scene 2: Die so leidig Los dir beschied (Hunding, Sieglinde, Siegmunde)
type: MusicRecording
duration: PT3M53S
duration ms: 233413
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 3
genre: classical
genre: opera
isrc code: GB6CE0900056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:50:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bbf4423019d571cd6fdb2460249ac7afce4acb8e50f95b50abff8789f184d76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900056
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 0x7bbf4423019d571cd6fdb2460249ac7afce4acb8e50f95b50abff8789f184d76. 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/GB6CE0900056.
  date published: 2026-07-08T03:53:27Z
audio: Die Walkure: Act I Scene 2: Die so leidig Los dir beschied (Hunding, Sieglinde, Siegmunde)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.536
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.461
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Walkure: Act I Scene 3: Schlafst du, Gast? (Sieglinde, Siegmund)
type: MusicRecording
duration: PT6M39S
duration ms: 399746
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 4
genre: classical
genre: opera
isrc code: GB6CE0900061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:39:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31cfcf01555b2994dc25fd6c6403886da238f5504149b3d506d270b861335aae
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/GB6CE0900061
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 0x31cfcf01555b2994dc25fd6c6403886da238f5504149b3d506d270b861335aae. 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/GB6CE0900061.
  date published: 2026-07-08T03:22:41Z
audio: Die Walkure: Act I Scene 3: Schlafst du, Gast? (Sieglinde, Siegmund)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.288
  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: 0.265
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.119
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Walkure: Act I Scene 3: Wintersturme wichen dem Wonnemond (Siegmund)
type: MusicRecording
duration: PT3M11S
duration ms: 191946
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 4
genre: classical
genre: opera
isrc code: GB6CE0900062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:25:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a9974492e8a678f6664631e31a09f7a6ca1343847b03f03c816e5d893685a73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB6CE0900062
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 0x8a9974492e8a678f6664631e31a09f7a6ca1343847b03f03c816e5d893685a73. 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/GB6CE0900062.
  date published: 2026-07-08T03:53:27Z
audio: Die Walkure: Act I Scene 3: Wintersturme wichen dem Wonnemond (Siegmund)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.143
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.436
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Die Walkure: Act I Scene 3: Siegmund, den Walsung, siehst du, Weib! (Siegmund, Sieglinde)
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duration: PT4M27S
duration ms: 267613
explicit: false
by artist: Richard Wagner
by artist: Endrik Wottrich
by artist: Kwangchul Youn
by artist: Albert Dohmen
by artist: Eva-Maria Westbroek
by artist: Linda Watson
by artist: Michelle Breedt
by artist: Sonja Muhleck
by artist: Anna Gabler
by artist: Martina Dike
by artist: Simone Schroder
by artist: Edith Haller
by artist: Wilke te Brummelstroete
by artist: Annette Kuttenbaum
by artist: Manuela Bress
by artist: Bayreuth Festival Orchestra
by artist: Christian Thielemann
in album: Wagner: Die Walkure
  type: MusicAlbum
  date published: 2010-07-27
popularity: 5
genre: classical
genre: opera
isrc code: GB6CE0900066
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 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/GB6CE0900066
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 0x23b8bda20da474d7e03257dc3bbd1d5b1b98332172f11290dcfb593f78a70148. 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/GB6CE0900066.
  date published: 2026-07-08T03:20:19Z
audio: Die Walkure: Act I Scene 3: Siegmund, den Walsung, siehst du, Weib! (Siegmund, Sieglinde)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.123
  additional property: Liveness
    type: PropertyValue
    value: 0.791
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.847
  additional property: Key Name
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  additional property: Mode Name
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Wagner: Der Ring des Nibelungen - Great Scenes
type: MusicAlbum
date published: 2013-04-23

Goldschmidt: Der Gewaltige Hahnrei
type: MusicAlbum
date published: 1994-01-01

An Introduction to Entartete Musik
type: MusicAlbum
date published: 2010-04-01

Schreker: Die Gezeichneten
type: MusicAlbum
date published: 1995-03-07
track: Die Gezeichneten: Prelude to Act I
  type: MusicRecording
  duration: PT10M2S
  duration ms: 602226
  explicit: false
  by artist: Franz Schreker
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Lothar Zagrosek
  in album: Schreker: Die Gezeichneten
    type: MusicAlbum
    date published: 1995-03-07
  popularity: 3
  isrc code: GBF079440801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:22:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x70d29e1f8a152f0a2ee83b403340d00dc6a7826e3c2a5863a41ab20a62c7f1a1
  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/GBF079440801
  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 0x70d29e1f8a152f0a2ee83b403340d00dc6a7826e3c2a5863a41ab20a62c7f1a1. 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/GBF079440801.
    date published: 2026-07-08T03:20:19Z
  audio: Die Gezeichneten: Prelude to Act I
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.304
    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: 0.172
    additional property: Energy
      type: PropertyValue
      value: 0.051
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.94
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.745
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.561
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
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Gurlitt: Wozzeck
type: MusicAlbum
date published: 2013-07-20

Braunfels: Die Vögel
type: MusicAlbum
date published: 1996-08-05
track: Die Vögel / Act 2: Halt, halt!
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199826
  explicit: false
  by artist: Walter Braunfels
  by artist: Wolfgang Holzmair
  by artist: Michael Kraus
  by artist: Iris Vermillion
  by artist: Matthias Goerne
  by artist: Endrik Wottrich
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Lothar Zagrosek
  in album: Braunfels: Die Vögel
    type: MusicAlbum
    date published: 1996-08-05
  popularity: 1
  genre: chamber-music
  isrc code: GBF079443522
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:32:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8978fd608d12ad835e9b3559e90943ddfb69bc543b94a622b79f4632ee72b757
  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/GBF079443522
  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 0x8978fd608d12ad835e9b3559e90943ddfb69bc543b94a622b79f4632ee72b757. 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/GBF079443522.
    date published: 2026-07-08T03:22:41Z
  audio: Die Vögel / Act 2: Halt, halt!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.812
    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: 0.271
    additional property: Energy
      type: PropertyValue
      value: 0.153
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.05
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Vögel / Act 1: Zu großen Taten, wie noch seit Weltbestehn
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278173
  explicit: false
  by artist: Walter Braunfels
  by artist: Michael Kraus
  by artist: Wolfgang Holzmair
  by artist: Endrik Wottrich
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Lothar Zagrosek
  in album: Braunfels: Die Vögel
    type: MusicAlbum
    date published: 1996-08-05
  popularity: 1
  genre: chamber-music
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:49:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x976595081244a882a6e73f3b18d819963d2683c2ae29e3406d77e8ab55c15ce8
  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/GBF079443506
  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 0x976595081244a882a6e73f3b18d819963d2683c2ae29e3406d77e8ab55c15ce8. 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/GBF079443506.
    date published: 2026-07-08T03:22:41Z
  audio: Die Vögel / Act 1: Zu großen Taten, wie noch seit Weltbestehn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.518
    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: 0.337
    additional property: Energy
      type: PropertyValue
      value: 0.275
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.204
    additional property: Liveness
      type: PropertyValue
      value: 0.582
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.224
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.428
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Vögel / Act 2: Hei! Hei! Hi! Ah! Wir kommen!
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282893
  explicit: false
  by artist: Walter Braunfels
  by artist: Wolfgang Holzmair
  by artist: Michael Kraus
  by artist: Johann-Werner Prein
  by artist: Rundfunkchor Berlin
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Lothar Zagrosek
  in album: Braunfels: Die Vögel
    type: MusicAlbum
    date published: 1996-08-05
  popularity: 1
  genre: chamber-music
  isrc code: GBF079443526
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Die Vögel / Act 2: Hei! Hei! Hi! Ah! Wir kommen!
track: Die Vögel / Act 1: Haltet ein, verruchtes Vogelzeug
track: Die Vögel / Act 2: Ah! Ah!...Groß ist Zeus! Mächtig ist er!
track: Die Vögel / Act 1: Wie tut ihr Vöglein mir leid
track: Die Vögel / Act 1: Dich zu ehren, wohl erbötig
track: Die Vögel / Act 2: Ah! Ah! Narzissus, zitterst du im Licht?
track: Die Vögel / Act 2: Wer ruft? Wer ruft?

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-07T14:45:53+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x57f7fe6885a877309c1d40f17e90f50683abb0d74521c668a0ddd6edfdaebf55

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079443526

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f7fe6885a877309c1d40f17e90f50683abb0d74521c668a0ddd6edfdaebf55. 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/GBF079443526.
date published: 2026-07-08T03:53:27Z

Die Vögel / Act 2: Hei! Hei! Hi! Ah! Wir kommen!
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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  value: 0.564
additional property: Valence (Positivity)
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  value: 0.064
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.372
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Die Vögel / Act 1: Haltet ein, verruchtes Vogelzeug
type: MusicRecording
duration: PT3M14S
duration ms: 194840
explicit: false
by artist: Walter Braunfels
by artist: Wolfgang Holzmair
by artist: Johann-Werner Prein
by artist: Hellen Kwon
by artist: Marita Posselt
by artist: Iris Vermillion
by artist: Rundfunkchor Berlin
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Lothar Zagrosek
in album: Braunfels: Die Vögel
  type: MusicAlbum
  date published: 1996-08-05
popularity: 2
genre: chamber-music
isrc code: GBF079443510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:17:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46b821799680224f2e0a767159ee3b4c8531f0439f6236356304ed5cdaf0de35
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/GBF079443510
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
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audio: Die Vögel / Act 1: Haltet ein, verruchtes Vogelzeug
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Die Vögel / Act 2: Ah! Ah!...Groß ist Zeus! Mächtig ist er!
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by artist: Hellen Kwon
by artist: Marita Posselt
by artist: Iris Vermillion
by artist: Endrik Wottrich
by artist: Wolfgang Holzmair
by artist: Rundfunkchor Berlin
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Lothar Zagrosek
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popularity: 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Vögel / Act 2: Ah! Ah!...Groß ist Zeus! Mächtig ist er!
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Die Vögel / Act 1: Wie tut ihr Vöglein mir leid
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by artist: Michael Kraus
by artist: Hellen Kwon
by artist: Rundfunkchor Berlin
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Lothar Zagrosek
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Vögel / Act 1: Wie tut ihr Vöglein mir leid
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Die Vögel / Act 1: Dich zu ehren, wohl erbötig
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by artist: Walter Braunfels
by artist: Marita Posselt
by artist: Iris Vermillion
by artist: Hellen Kwon
by artist: Endrik Wottrich
by artist: Wolfgang Holzmair
by artist: Michael Kraus
by artist: Rundfunkchor Berlin
by artist: Deutsches Symphonie-Orchester Berlin
by artist: Lothar Zagrosek
in album: Braunfels: Die Vögel
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popularity: 2
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Vögel / Act 1: Dich zu ehren, wohl erbötig
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Die Vögel / Act 2: Ah! Ah! Narzissus, zitterst du im Licht?
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Die Vögel / Act 2: Ah! Ah! Narzissus, zitterst du im Licht?
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Die Vögel / Act 2: Wer ruft? Wer ruft?
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by artist: Endrik Wottrich
by artist: Deutsches Symphonie-Orchester Berlin
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Die Vögel / Act 2: Wer ruft? Wer ruft?
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Beethoven: Symphony No.9 - "Choral"
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date published: 2007-01-01

Beethoven: Triple Concerto & Choral Fantasy
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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track: Beethoven: Triple Concerto in C Major, Op. 56: II. Largo
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    date published: 2026-07-02T03:30:09Z
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  subject of: OpenTimestamps Proof of Existence
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track: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": I. Adagio
track: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (a) Finale. Allegro
track: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (c) Adagio, ma non troppo
track: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (d) MarcIa, assai vivace - Allegro
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Beethoven: Triple Concerto in C Major, Op. 56: III. Rondo alla polacca
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Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": I. Adagio
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by artist: Daniel Barenboim
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": I. Adagio
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Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (a) Finale. Allegro
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by artist: Daniel Barenboim
by artist: Berliner Philharmoniker
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popularity: 7
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (a) Finale. Allegro
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Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (c) Adagio, ma non troppo
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by artist: Daniel Barenboim
by artist: Berliner Philharmoniker
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popularity: 6
genre: classical
genre: classical-piano
genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T20:42:55Z
audio: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (c) Adagio, ma non troppo
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Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (d) MarcIa, assai vivace - Allegro
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popularity: 6
genre: classical
genre: classical-piano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (e) Allegretto, ma non troppo - Presto

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OpenTimestamps Proof of Existence
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date published: 2026-07-07T13:52:39Z

Beethoven: Fantasia in C Minor, Op. 80 "Choral Fantasy": II. (c) Adagio, ma non troppo
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Schumann: Szenen aus Goethes "Faust"
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  by artist: Jan-Hendrik Rootering
  by artist: Endrik Wottrich
  by artist: Bryn Terfel
  by artist: Barbara Bonney
  by artist: Susan Graham
  by artist: Swedish Radio Choir
  by artist: Harry Peeters
  by artist: Brigitte Poschner-Klebel
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung I: "Waldung, sie schwankt heran"
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  by artist: Brigitte Poschner-Klebel
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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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track: Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung III: "Welch ein Morgenwolken schwebet"
track: Szenen aus Goethes Faust, Part Two: Nr. 4, Ariel, Sonnenaufgang: "Des Lebens Pulse schlagen frisch lebendig"
track: Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung VI: "Dir, der Unberührbaren"
track: Szenen aus Goethes Faust, Part Two: Nr. 5, Mitternacht: "Ich heisse der Mangel"

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Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung III: "Welch ein Morgenwolken schwebet"
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by artist: Claudio Abbado
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by artist: Bryn Terfel
by artist: Tölzer Knabenchor
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by artist: Barbara Bonney
by artist: Karita Mattila
by artist: Jan-Hendrik Rootering
by artist: Iris Vermillion
by artist: Brigitte Poschner-Klebel
by artist: Endrik Wottrich
by artist: Hans Peter Blochwitz
by artist: Susan Graham
by artist: Harry Peeters
by artist: Tölz Boys' Choir
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Szenen aus Goethes Faust, Part Two: Nr. 4, Ariel, Sonnenaufgang: "Des Lebens Pulse schlagen frisch lebendig"
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by artist: Endrik Wottrich
by artist: Barbara Bonney
by artist: Susan Graham
by artist: Iris Vermillion
by artist: Brigitte Poschner-Klebel
by artist: Harry Peeters
by artist: Tölz Boys' Choir
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Szenen aus Goethes Faust, Part Two: Nr. 4, Ariel, Sonnenaufgang: "Des Lebens Pulse schlagen frisch lebendig"
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Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung VI: "Dir, der Unberührbaren"
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duration: PT8M24S
duration ms: 504733
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by artist: Robert Schumann
by artist: Claudio Abbado
by artist: Berliner Philharmoniker
by artist: Bryn Terfel
by artist: Barbara Bonney
by artist: Iris Vermillion
by artist: Brigitte Poschner
by artist: Susan Graham
by artist: Harry Peeters
by artist: Tölzer Knabenchor
by artist: Swedish Radio Choir
by artist: Brigitte Poschner-Klebel
by artist: Jan-Hendrik Rootering
by artist: Endrik Wottrich
by artist: Karita Mattila
by artist: Hans Peter Blochwitz
by artist: Tölz Boys' Choir
in album: Schumann: Szenen aus Goethes "Faust"
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  date published: 1995-02-28
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Szenen aus Goethes Faust, Part Three: Nr. 7, Fausts Verklärung VI: "Dir, der Unberührbaren"
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Szenen aus Goethes Faust, Part Two: Nr. 5, Mitternacht: "Ich heisse der Mangel"
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duration: PT2M12S
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by artist: Robert Schumann
by artist: Claudio Abbado
by artist: Berliner Philharmoniker
by artist: Barbara Bonney
by artist: Iris Vermillion
by artist: Brigitte Poschner
by artist: Susan Graham
by artist: Bryn Terfel
by artist: Karita Mattila
by artist: Brigitte Poschner-Klebel
by artist: Jan-Hendrik Rootering
by artist: Endrik Wottrich
by artist: Harry Peeters
by artist: Hans Peter Blochwitz
by artist: Tölz Boys' Choir
by artist: Swedish Radio Choir
in album: Schumann: Szenen aus Goethes "Faust"
  type: MusicAlbum
  date published: 1995-02-28
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10312184
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: 2026-07-08T03:20:19Z
audio: Szenen aus Goethes Faust, Part Two: Nr. 5, Mitternacht: "Ich heisse der Mangel"
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Kálmán: Die Herzogin von Chicago
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date published: 1999-01-01
track: Die Herzogin von Chicago / Vorspiel: 4c: Alle Zigeuner her zu mir..Hör' ich deine Geige...
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  by artist: Emmerich Kálmán
  by artist: Endrik Wottrich
  by artist: Rundfunkchor Berlin
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Richard Bonynge
  by artist: Ute Fabricius
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    type: MusicAlbum
    date published: 1999-01-01
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  genre: fado
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079840909
  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 0xe002567bb8f308929e40199f952df903c3a9d3126ef769e39bc561247f1a6f07. 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/GBF079840909.
    date published: 2026-07-08T03:20:19Z
  audio: Die Herzogin von Chicago / Vorspiel: 4c: Alle Zigeuner her zu mir..Hör' ich deine Geige...
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track: Die Herzogin von Chicago / Act 1: 9: Wenn ich eine kleine Frau hätt'
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  by artist: Emmerich Kálmán
  by artist: Brett Polegato
  by artist: Monica Groop
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Richard Bonynge
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  genre: fado
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
  audio: Die Herzogin von Chicago / Act 1: 9: Wenn ich eine kleine Frau hätt'
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Claudio Abbado - The RCA and Sony Album Collection
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date published: 1976

Berliner Philharmoniker - Beethoven
type: MusicAlbum
date published: 2022-07-01

The Very Best of Daniel Barenboim
type: MusicAlbum
date published: 2012-06-29
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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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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Edition Vol. 3
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