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  track: Orfeo ed Euridice, Wq. 30 (Excerpts): Chiamo il mio ben così
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  track: Le cinesi, Wq. 18 (Excerpts): Voli il piede in lieti giri
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album: Jugend (Lieder und Kammermusik)
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album: Loewe: Lieder & Balladen (Complete Edition, Vol. 17)
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album: Bernard Haitink: Portrait (Live)
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album: Mozart: Complete Edition Vol.12: Arias, Lieder etc
album: Mozart: Arias, Vocal Ensembles & Canons - Vol.3 (Complete Mozart Edition)
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album: Mozart: Arias, Vocal Ensembles & Canons - Vol.2 (Complete Mozart Edition)
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album: Strauss, R.: Ariadne auf Naxos
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album: Pfitzner: Lieder (Complete Edition, Vol. 5)
album: Pfitzner: Lieder (Complete Edition, Vol. 1)
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album: Pfitzner: Lieder (Complete Edition, Vol. 3)
album: Discovery of a Romanticist, Vol. 1
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Strauss, R: Die Frau ohne Schatten, Op. 65, Act I, Scene 1: "Wie soll ich denn nicht weinen?" (Voice of a Falcon, Empress, Nurse)
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  date published: 2026-07-31T12:24:41Z
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Strauss, R: Die Frau ohne Schatten, Op. 65, Act I, Scene 2: "Doch ich armes Weib, ich hab' keinen Spiegel!" (Barak' Wife, Nurse, Maids, Chorus, Empress' Voice, Apparition of a Youth)
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  date published: 2026-07-31T19:53:13Z
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Ariadne auf Naxos: "Ach! - Wo war ich?" - "Ein Schönes war"
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.849
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ariadne auf Naxos: "Ein schönes Wunder!"
type: MusicRecording
duration: PT3M53S
duration ms: 233373
explicit: false
by artist: Richard Strauss
by artist: Marianne Rorholm
by artist: Eva Lind
by artist: Julie Kaufmann
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: Strauss, R.: Ariadne auf Naxos
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbcca626e3d62dbd1f0d37066c16b47414277debcb4402905861110afe1f32e6. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402916.
  date published: 2026-07-29T21:51:49Z
audio: Ariadne auf Naxos: "Ein schönes Wunder!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.868
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.061
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.201
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508402916
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960150
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402916
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ariadne auf Naxos: "Circe, kannst du mich hören?"
type: MusicRecording
duration: PT6M9S
duration ms: 369800
explicit: false
by artist: Richard Strauss
by artist: Marianne Rorholm
by artist: Paul Frey
by artist: Jessye Norman
by artist: Eva Lind
by artist: Julie Kaufmann
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: Strauss, R.: Ariadne auf Naxos
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172d0d7b59e9b6bc84870f470f5f74a3574dce8f96c529f0942cf5e4e5a021d7. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402917.
  date published: 2026-07-30T22:27:30Z
audio: Ariadne auf Naxos: "Circe, kannst du mich hören?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.135
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.766
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508402917
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960321
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402917
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ariadne auf Naxos: "Gibt es kein Hinüber?"
type: MusicRecording
duration: PT7M35S
duration ms: 455666
explicit: false
by artist: Richard Strauss
by artist: Marianne Rorholm
by artist: Jessye Norman
by artist: Paul Frey
by artist: Eva Lind
by artist: Julie Kaufmann
by artist: Edita Gruberova
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: Strauss, R.: Ariadne auf Naxos
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89abc6c43c68865f276c33e9ae19258aa8373f712cb8c3f9b29c6437cc2233e2. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402919.
  date published: 2026-07-30T04:47:22Z
audio: Ariadne auf Naxos: "Gibt es kein Hinüber?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.873
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.14
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.129
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508402919
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960207
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T04:47:22+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402919
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ariadne auf Naxos: "Schläft sie?"
type: MusicRecording
duration: PT3M55S
duration ms: 235973
explicit: false
by artist: Richard Strauss
by artist: Marianne Rorholm
by artist: Eva Lind
by artist: Julie Kaufmann
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: Strauss, R.: Ariadne auf Naxos
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81a5de4ad7d26e8cb9728416cf5df0a55a4332ea36ef21cddc793f462061a0d9. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402909.
  date published: 2026-07-29T13:21:01Z
audio: Ariadne auf Naxos: "Schläft sie?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.165
  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: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.382
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.426
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508402909
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960111
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402909
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960111
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ariadne auf Naxos: "Lieben, Hassen, Hoffen, Zagen"
type: MusicRecording
duration: PT2M3S
duration ms: 123800
explicit: false
by artist: Richard Strauss
by artist: Julie Kaufmann
by artist: Olaf Bär
by artist: Edita Gruberova
by artist: Gewandhausorchester
by artist: Kurt Masur
in album: Strauss, R.: Ariadne auf Naxos
  type: MusicAlbum
  date published: 1988-01-01
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8299f0f7dcf2124428c5a0250061d254a69a949f756374dd5926633f7b012fa7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402911.
  date published: 2026-07-29T19:35:34Z
audio: Ariadne auf Naxos: "Lieben, Hassen, Hoffen, Zagen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.764
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.617
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.119
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.936
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLA508402911
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508402911
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Acousticness
type: PropertyValue
value: 0.99

Instrumentalness
type: PropertyValue
value: 0.019

Liveness
type: PropertyValue
value: 0.233

Valence (Positivity)
type: PropertyValue
value: 0.073

Loudness (dB)
type: PropertyValue
value: -22.045

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Orfeo ed Euridice, Wq. 30 (Excerpts): Vieni appange il tuo consorte
type: MusicRecording
duration: PT3M53S
duration ms: 233200
explicit: false
by artist: Christoph Willibald Gluck
by artist: Cappella Coloniensis
by artist: Ferdinand Leitner
by artist: Elisabeth Söderström
by artist: Dietrich Fischer-Dieskau
in album: Gluck: Opera Gala
  type: MusicAlbum
  date published: 2020-12-04
popularity: 2
genre: classical
genre: opera
isrc code: DEB956439132
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:48:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57bc8bcb0f9dfe4460047b37ba7b0b43157e68fc44a35af2ca411026bf977ed2
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/DEB956439132
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 0x57bc8bcb0f9dfe4460047b37ba7b0b43157e68fc44a35af2ca411026bf977ed2. 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/DEB956439132.
  date published: 2026-07-08T03:22:41Z
audio: Orfeo ed Euridice, Wq. 30 (Excerpts): Vieni appange il tuo consorte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.702
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.283
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.774
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Alceste, Wq. 44 (Excerpts): A mes amis
type: MusicRecording
duration: PT2M41S
duration ms: 161600
explicit: false
by artist: Christoph Willibald Gluck
by artist: Bavarian Radio Symphony Orchestra
by artist: Serge Baudo
by artist: Nicolai Gedda
by artist: Jessye Norman
in album: Gluck: Opera Gala
  type: MusicAlbum
  date published: 2020-12-04
popularity: 3
genre: classical
genre: opera
isrc code: DEB958202721
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:46:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x482055020280374c348d75c42696dc2be318a3f98a65510c482f78542149f883
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/DEB958202721
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
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Iphigénie en Tauride, Wq. 46 (Excerpts): O Diane, sois-nous propice
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Iphigénie en Tauride, Wq. 46 (Excerpts): Les Dieux longtemps en courroux
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Le cinesi, Wq. 18 (Excerpts): Voli il piede in lieti giri
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Schoenberg, Stauss & Debussy: Ausgewählte Lieder
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Brahms: Lieder und Duette
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All That's Left
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Loewe: Lieder & Balladen (Complete Edition, Vol. 17)
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Handel: Xerxes
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Strauss, R.: Ariadne auf Naxos
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track: Ariadne auf Naxos: "Die Dame gibt mit trüben Sinn" - "Wie sie sich schwingen"
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track: Ariadne auf Naxos / Prologue: "Meine Partner, meine erprobten Freunde!"
track: Ariadne auf Naxos / Prologue: "Sein wir wieder gut" - "Musik ist eine heilige Kunst"
track: Ariadne auf Naxos: Overture
track: Ariadne auf Naxos: "Ach! - Wo war ich?" - "Ein Schönes war"
track: Ariadne auf Naxos, Op. 60 / Opera: "Es gibt ein Reich"
track: Ariadne auf Naxos: "Ein schönes Wunder!"
track: Ariadne auf Naxos: "Circe, kannst du mich hören?"
track: Ariadne auf Naxos: "Gibt es kein Hinüber?"
track: Ariadne auf Naxos: "Schläft sie?"
track: Ariadne auf Naxos: "Lieben, Hassen, Hoffen, Zagen"

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Ariadne auf Naxos: "Hübsch gepredigt! Aber tauben Ohren!" - "Eine Stör- rische zu trösten"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T17:01:39Z
audio: Ariadne auf Naxos / Prologue: "Meine Partner, meine erprobten Freunde!"
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Ariadne auf Naxos / Prologue: "Sein wir wieder gut" - "Musik ist eine heilige Kunst"
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by artist: Gewandhausorchester
by artist: Kurt Masur
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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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Ariadne auf Naxos: Overture
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:04:01Z
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Ariadne auf Naxos, Op. 60 / Opera: "Es gibt ein Reich"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ariadne auf Naxos, Op. 60 / Opera: "Es gibt ein Reich"
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Opera Rarities
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date published: 2021-02-05

Pfitzner: Lieder (Complete Edition, Vol. 5)
type: MusicAlbum
date published: 2000-01-01

Pfitzner: Lieder (Complete Edition, Vol. 1)
type: MusicAlbum
date published: 1999-04-01

Lied: Strahl 2
type: MusicAlbum
date published: 2015-09-18

Lieder und Kammermusik
type: MusicAlbum
date published: 2014-10-14

Pfitzner: Lieder (Complete Edition, Vol. 3)
type: MusicAlbum
date published: 2000-01-01

Discovery of a Romanticist, Vol. 1
type: MusicAlbum
date published: 2016-08-05

Pfitzner: Lieder (Complete Edition, Vol. 4)
type: MusicAlbum
date published: 2000-01-01