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  date published: 1988-01-01
album: Operettenhighlights
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  track: The Gypsy Princess, Act 2: Tanzwalzer. Erstrahlen die Lichter
  track: The Gypsy Princess, Act 2: Duett. Mädel guck (Das ist die Liebe, die dumme Liebe)
  track: Orphée aux enfers: Overtüre
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    genre: german-romanticism
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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: Orphée aux enfers: Overtüre
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  track: The Gypsy Princess, Act 1: Alle sind wir Sünder
  track: The Gypsy Princess, Act 3: Terzett. Nimm, Zigeuner, deine Geige
  track: The Gypsy Princess, Act 3: Finale. Tausend kleine Engel singen
  track: Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
  track: Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
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  track: Boris Godunow: Act IV - "Ein Diener Gottes - Geschwind, ruft meinen Sohn!"
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      date published: 2026-07-02T03:55:08Z
    audio: Boris Godunow: Act IV - "Ein Diener Gottes - Geschwind, ruft meinen Sohn!"
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album: Discover the Great Opera Works
album: Millöcker: Der Bettelstudent (Highlights)
album: Uwe Zimmermann: Levins Muhle (Opera) [Excerpts] [Kurz]
album: Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
album: Goldene Operette / Der Zigeunerbaron & Der Vetter Aus Dingsda: Großer Querschni
album: Richard Strauss: Salome
album: Jacques Offenbach: Orpheus in der Unterwelt (QS)
album: Kálmán: Die Csárdásfürstin
album: Offenbach: Orpheus in der Unterwelt (Highlights)
album: Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
album: Mussorgsky: Boris Godunov (Highlights - Sung in German)

The Gypsy Princess, Act 2: Tanzwalzer. Erstrahlen die Lichter
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by artist: Emmerich Kálmán
by artist: Dresdner Philharmonie
by artist: Chor der Staatsoper Dresden
by artist: Elka Mitzewa
by artist: Hannerose Katterfeld
by artist: Eberhard Büchner
by artist: Martin Ritzmann
by artist: Karl-Friedrich Hölzke
by artist: Heinz Röger
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  date published: 2014-07-18
genre: fado
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  date published: 2026-07-08T03:22:41Z
audio: The Gypsy Princess, Act 2: Tanzwalzer. Erstrahlen die Lichter
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The Gypsy Princess, Act 2: Duett. Mädel guck (Das ist die Liebe, die dumme Liebe)
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by artist: Emmerich Kálmán
by artist: Dresdner Philharmonie
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by artist: Martin Ritzmann
by artist: Karl-Friedrich Hölzke
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genre: fado
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: The Gypsy Princess, Act 2: Duett. Mädel guck (Das ist die Liebe, die dumme Liebe)
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The Gypsy Princess, Act 1: Alle sind wir Sünder
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by artist: Emmerich Kálmán
by artist: Dresdner Philharmonie
by artist: Chor der Staatsoper Dresden
by artist: Elka Mitzewa
by artist: Hannerose Katterfeld
by artist: Eberhard Büchner
by artist: Martin Ritzmann
by artist: Karl-Friedrich Hölzke
by artist: Heinz Röger
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  date published: 2014-07-18
genre: fado
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  date published: 2026-07-31T13:50:38Z
audio: The Gypsy Princess, Act 1: Alle sind wir Sünder
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The Gypsy Princess, Act 3: Terzett. Nimm, Zigeuner, deine Geige
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by artist: Eberhard Büchner
by artist: Martin Ritzmann
by artist: Karl-Friedrich Hölzke
by artist: Heinz Röger
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genre: fado
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:27:29Z
audio: The Gypsy Princess, Act 3: Terzett. Nimm, Zigeuner, deine Geige
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

The Gypsy Princess, Act 3: Finale. Tausend kleine Engel singen
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duration: PT1M12S
duration ms: 72426
explicit: false
by artist: Emmerich Kálmán
by artist: Dresdner Philharmonie
by artist: Chor der Staatsoper Dresden
by artist: Elka Mitzewa
by artist: Hannerose Katterfeld
by artist: Eberhard Büchner
by artist: Martin Ritzmann
by artist: Karl-Friedrich Hölzke
by artist: Heinz Röger
in album: Operettenhighlights
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  date published: 2014-07-18
genre: fado
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: The Gypsy Princess, Act 3: Finale. Tausend kleine Engel singen
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
type: MusicRecording
duration: PT2M22S
duration ms: 142893
explicit: false
by artist: Carl Millöcker
by artist: MDR Leipzig Radio Chorus
by artist: Rundfunk-Sinfonieorchester Leipzig
by artist: Günther Herbig
by artist: Ingeborg Wenglor
by artist: Roswitha Trexler
by artist: Friederike Apelt
by artist: Peter Schreier
by artist: Karl-Friedrich Hölzke
by artist: Wolfgang Hellmich
by artist: Siegfried Vogel
in album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Der Bettelstudent, Act 1: Einkäufe machen sollten wir eigentlich
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
type: MusicRecording
duration: PT2M28S
duration ms: 148533
explicit: false
by artist: Carl Millöcker
by artist: MDR Leipzig Radio Chorus
by artist: Rundfunk-Sinfonieorchester Leipzig
by artist: Günther Herbig
by artist: Ingeborg Wenglor
by artist: Roswitha Trexler
by artist: Friederike Apelt
by artist: Peter Schreier
by artist: Karl-Friedrich Hölzke
by artist: Wolfgang Hellmich
by artist: Siegfried Vogel
in album: Operettenhighlights
  type: MusicAlbum
  date published: 2014-07-18
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2953cf886eabefeb27b50e7962e1327611f622ff49f8298c7f860021972531. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/DES380002239.
  date published: 2026-07-31T05:48:30Z
audio: Der Bettelstudent, Act 1: Ich knüpfe manche zarte Bande
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Salome, Op. 54 / Scene 4: "Wahrhaftig, Herr, es wäre besser, ihn in unsre Hände zu geben!"
type: MusicRecording
duration: PT2M50S
duration ms: 170666
explicit: false
by artist: Richard Strauss
by artist: Andreas Conrad
by artist: Karl-Friedrich Hölzke
by artist: Peter Küchler
by artist: Andreas Schmidt
by artist: Gunther Dressler
by artist: Walter Raffeiner
by artist: Kerstin Witt
by artist: Harry Peeters
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35eaab7c390f4e78b0d3d32a4b48c81d13c91d23e4376de958bd231c437f4c25. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/NLA509003718.
  date published: 2026-07-30T21:35:24Z
audio: Salome, Op. 54 / Scene 4: "Wahrhaftig, Herr, es wäre besser, ihn in unsre Hände zu geben!"
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Jung wird man dabei!
type: MusicRecording
duration: PT3M58S
duration ms: 238706
explicit: false
by artist: Jacques Offenbach
by artist: Jutta Vulpius
by artist: Gudrun Fischer
by artist: Ruth Schob-Lipka
by artist: Friederike Apelt
by artist: Hannerose Katterfeld
by artist: Wolfgang Hellmich
by artist: Peter Schreier
by artist: Karl-Friedrich Hölzke
by artist: Hermann Christian Polster
by artist: Werner Enders
by artist: MDR Leipzig Radio Chorus
by artist: Dresdner Philharmonie
by artist: Horst Neumann
by artist: Robert Hanell
in album: Jacques Offenbach: Orpheus in der Unterwelt (QS)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEUM70603599
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x65a96f7b29badd8f42d40f794e9a03a4f87a780bb664179598c9d4a484a6f802
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/DEUM70603599
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a96f7b29badd8f42d40f794e9a03a4f87a780bb664179598c9d4a484a6f802. 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/DEUM70603599.
  date published: 2026-07-08T03:39:04Z
audio: Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Jung wird man dabei!
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.56
  additional property: Loudness (dB)
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Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Eh hopp. Eh hopp. Platz dem Merkur!
type: MusicRecording
duration: PT2M18S
duration ms: 138960
explicit: false
by artist: Jacques Offenbach
by artist: Ruth Schob-Lipka
by artist: Karl-Friedrich Hölzke
by artist: Hermann Christian Polster
by artist: Dresdner Philharmonie
by artist: Robert Hanell
in album: Jacques Offenbach: Orpheus in der Unterwelt (QS)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 0
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74fa38fc1eefdf07d876de4409dab413835cf75b2741426292b1b3c32bd881fd. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM70603593.
  date published: 2026-07-31T23:30:38Z
audio: Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Eh hopp. Eh hopp. Platz dem Merkur!
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Die Csárdásfürstin: Act III: "Tausend kleine Engel singen"
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by artist: Hannerose Katterfeld
by artist: Elka Mitzewa
by artist: Eberhard Büchner
by artist: Karl-Friedrich Hölzke
by artist: Martin Ritzmann
by artist: Dresdner Philharmonie
by artist: Heinz Rögner
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genre: fado
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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  date published: 2026-07-08T03:53:27Z
audio: Die Csárdásfürstin: Act III: "Tausend kleine Engel singen"
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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
type: PropertyValue
value: 0.042

Loudness (dB)
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Discover the Great Opera Works
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date published: 2016-01-15

Millöcker: Der Bettelstudent (Highlights)
type: MusicAlbum
date published: 1968-01-01

Uwe Zimmermann: Levins Muhle (Opera) [Excerpts] [Kurz]
type: MusicAlbum
date published: 1977

Strauss, Lehár, Suppé, Kálmán & Millöcker: Operetta Melodies
type: MusicAlbum
date published: 2008-06-27

Goldene Operette / Der Zigeunerbaron & Der Vetter Aus Dingsda: Großer Querschni
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Richard Strauss: Salome
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  by artist: Staatskapelle Dresden
  by artist: Seiji Ozawa
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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    additional property: Danceability
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track: Salome, Op. 54 / Scene 2: "Du wirst das für mich tun"
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  by artist: Seiji Ozawa
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    date published: 1994-08-05
  genre: classical
  genre: opera
  genre: orchestra
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Salome, Op. 54 / Scene 4: "Es ist kein Laut zu vernehmen"
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  by artist: Richard Strauss
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  by artist: Staatskapelle Dresden
  by artist: Seiji Ozawa
  in album: Richard Strauss: Salome
    type: MusicAlbum
    date published: 1994-08-05
  genre: classical
  genre: opera
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  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: Salome, Op. 54 / Scene 4: "Es ist kein Laut zu vernehmen"
track: Salome, Op. 54 / Scene 4: "Ah! Du wolltest mich nicht deinen Mund"
track: Salome, Op. 54 / Scene 3: "Wer ist dies Weib, das mich ansieht?"
track: Salome, Op. 54 / Scene 3: "Wird dir nicht bange, Tochter der Herodias?"
track: Salome, Op. 54 / Scene 3: "Lass mich deinen Mund küssen, Jochanaan!"
track: Salome, Op. 54 / Scene 3: "Du bist verflucht"
track: Salome, Op. 54 / Scene 4: "Salome, komm, trink Wein mit mir"
track: Salome, Op. 54 / Scene 4: "Siehe, die Zeit ist gekommen"
track: Salome, Op. 54 / Scene 4: "Siehe, der Tag ist nahe"
track: Salome, Op. 54 / Scene 4: "Wahrhaftig, Herr, es wäre besser, ihn in unsre Hände zu geben!"

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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509003727

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 0x348245a8c1905c93680b18fb5ddaa1c6984707d17381a9a3ec8c6d98ac07de57. 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/NLA509003727.
date published: 2026-07-08T03:53:27Z

Salome, Op. 54 / Scene 4: "Es ist kein Laut zu vernehmen"
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Salome, Op. 54 / Scene 4: "Ah! Du wolltest mich nicht deinen Mund"
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genre: classical
genre: opera
genre: orchestra
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Salome, Op. 54 / Scene 4: "Ah! Du wolltest mich nicht deinen Mund"
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Salome, Op. 54 / Scene 3: "Wer ist dies Weib, das mich ansieht?"
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  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509003709
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 0x93fe11585638f60b5d2dc565ae687cad6b69535bcb54f11f57cabb2cb0a6ce8e. 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/NLA509003709.
  date published: 2026-07-08T03:53:27Z
audio: Salome, Op. 54 / Scene 3: "Wer ist dies Weib, das mich ansieht?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.505
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.467
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.143
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.454
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Salome, Op. 54 / Scene 3: "Wird dir nicht bange, Tochter der Herodias?"
type: MusicRecording
duration: PT2M37S
duration ms: 157360
explicit: false
by artist: Richard Strauss
by artist: James Morris
by artist: Jessye Norman
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003712
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:31:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82c3e7e692175a4dfc91ab7eb82df6767c75ea8241418261aac335ef2fb5a1d8
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/NLA509003712
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 0x82c3e7e692175a4dfc91ab7eb82df6767c75ea8241418261aac335ef2fb5a1d8. 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/NLA509003712.
  date published: 2026-07-08T08:56:20Z
audio: Salome, Op. 54 / Scene 3: "Wird dir nicht bange, Tochter der Herodias?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.5
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.245
  additional property: Energy
    type: PropertyValue
    value: 0.373
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.585
  additional property: Liveness
    type: PropertyValue
    value: 0.29
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.085
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.949
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Salome, Op. 54 / Scene 3: "Lass mich deinen Mund küssen, Jochanaan!"
type: MusicRecording
duration: PT1M4S
duration ms: 64066
explicit: false
by artist: Richard Strauss
by artist: Jessye Norman
by artist: James Morris
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003713
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:32:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c76d50d7d88bc6d93e3d3784d5dc35d2a7367d9e78433880b7d0cef380ef237
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/NLA509003713
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 0x6c76d50d7d88bc6d93e3d3784d5dc35d2a7367d9e78433880b7d0cef380ef237. 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/NLA509003713.
  date published: 2026-07-08T03:20:19Z
audio: Salome, Op. 54 / Scene 3: "Lass mich deinen Mund küssen, Jochanaan!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.328
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
    type: PropertyValue
    value: 0.488
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.105
  additional property: Liveness
    type: PropertyValue
    value: 0.628
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.693
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Salome, Op. 54 / Scene 3: "Du bist verflucht"
type: MusicRecording
duration: PT4M26S
duration ms: 266666
explicit: false
by artist: Richard Strauss
by artist: James Morris
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:36:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4696298fb1a369dc99db0d5e8270fd2755cf6cc69362b902320293a7b32de3c
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/NLA509003714
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 0xe4696298fb1a369dc99db0d5e8270fd2755cf6cc69362b902320293a7b32de3c. 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/NLA509003714.
  date published: 2026-07-08T03:20:19Z
audio: Salome, Op. 54 / Scene 3: "Du bist verflucht"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.603
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.089
  additional property: Energy
    type: PropertyValue
    value: 0.312
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.737
  additional property: Liveness
    type: PropertyValue
    value: 0.225
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.496
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Salome, Op. 54 / Scene 4: "Salome, komm, trink Wein mit mir"
type: MusicRecording
duration: PT2M47S
duration ms: 167560
explicit: false
by artist: Richard Strauss
by artist: Walter Raffeiner
by artist: Jessye Norman
by artist: Kerstin Witt
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003716
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:58:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3400aa4cf5ed40c239e5e7192439ec5019952cc060c5b0d47a3e5fdc5c4b381
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/NLA509003716
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 0xc3400aa4cf5ed40c239e5e7192439ec5019952cc060c5b0d47a3e5fdc5c4b381. 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/NLA509003716.
  date published: 2026-07-08T03:53:27Z
audio: Salome, Op. 54 / Scene 4: "Salome, komm, trink Wein mit mir"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.407
  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: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.599
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.113
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Salome, Op. 54 / Scene 4: "Siehe, die Zeit ist gekommen"
type: MusicRecording
duration: PT0M51S
duration ms: 51600
explicit: false
by artist: Richard Strauss
by artist: James Morris
by artist: Kerstin Witt
by artist: Walter Raffeiner
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003717
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:23:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2066abe449f30de8e4d11e1fd3e5afcd73c25ac7814df0577522b27cb0de6d38
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/NLA509003717
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 0x2066abe449f30de8e4d11e1fd3e5afcd73c25ac7814df0577522b27cb0de6d38. 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/NLA509003717.
  date published: 2026-07-08T03:53:27Z
audio: Salome, Op. 54 / Scene 4: "Siehe, die Zeit ist gekommen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.128
  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: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.62
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.256
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Salome, Op. 54 / Scene 4: "Siehe, der Tag ist nahe"
type: MusicRecording
duration: PT2M59S
duration ms: 179733
explicit: false
by artist: Richard Strauss
by artist: James Morris
by artist: Walter Raffeiner
by artist: Andreas Conrad
by artist: Harry Peeters
by artist: Frank Schiller
by artist: Kerstin Witt
by artist: Staatskapelle Dresden
by artist: Seiji Ozawa
in album: Richard Strauss: Salome
  type: MusicAlbum
  date published: 1994-08-05
genre: classical
genre: opera
genre: orchestra
isrc code: NLA509003719
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:30:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa3baca4faec97a69c202b2934658720b15f9329baf35b17237ab44756046949
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/NLA509003719
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 0xaa3baca4faec97a69c202b2934658720b15f9329baf35b17237ab44756046949. 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/NLA509003719.
  date published: 2026-07-08T03:53:27Z
audio: Salome, Op. 54 / Scene 4: "Siehe, der Tag ist nahe"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.445
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.205
  additional property: Liveness
    type: PropertyValue
    value: 0.916
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.9
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Jacques Offenbach: Orpheus in der Unterwelt (QS)
type: MusicAlbum
date published: 1970-01-01
track: Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": So ist das? So? - Ja, mein Coco!
  type: MusicRecording
  duration: PT6M31S
  duration ms: 391760
  explicit: false
  by artist: Jacques Offenbach
  by artist: Jutta Vulpius
  by artist: Peter Schreier
  by artist: Dresdner Philharmonie
  by artist: Robert Hanell
  in album: Jacques Offenbach: Orpheus in der Unterwelt (QS)
    type: MusicAlbum
    date published: 1970-01-01
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  genre: french-romanticism
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Jung wird man dabei!
track: Orpheus in the Underworld (Orphée aux enfers) - arr. W. Neef as "Orpheus in der Unterwelt": Eh hopp. Eh hopp. Platz dem Merkur!

Kálmán: Die Csárdásfürstin
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date published: 1974-01-01
track: Die Csárdásfürstin: Act I: "Aus ist's mit der Liebe - Ganz ohne Weiber geht die Chose nicht"
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  by artist: Chor der Staatsoper Dresden
  by artist: Dresdner Philharmonie
  by artist: Heinz Rögner
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    date published: 1974-01-01
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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
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track: Die Csárdásfürstin: Act II: "Erstrahlen die Lichter im hellen Glanz"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Die Csárdásfürstin: Act II: "Mädel, guck, Männer gibt's ja genug - Das ist die Liebe, die dumme Liebe"
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  audio: Die Csárdásfürstin: Act II: "Mädel, guck, Männer gibt's ja genug - Das ist die Liebe, die dumme Liebe"
track: Die Csárdásfürstin: Act III: "Tausend kleine Engel singen"

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71711583f5a18baf0e8f6d1e3e6159bc3559bc84fde16b474fb35793afc7f83. 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/DES380012751.
date published: 2026-07-08T03:22:41Z

Die Csárdásfürstin: Act II: "Mädel, guck, Männer gibt's ja genug - Das ist die Liebe, die dumme Liebe"
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Offenbach: Orpheus in der Unterwelt (Highlights)
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date published: 1969-03-11

Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
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date published: 2018-03-02

Mussorgsky: Boris Godunov (Highlights - Sung in German)
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date published: 1971-01-01