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description: Karl Terkal (7 October 1919 - 12 August 1996) was an Austrian operatic tenor, particularly associated with lyric roles of the German repertory, both opera and operetta. Born in Vienna, Terkal was wor
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Die Zauberflöte, K. 620: Pa-Pa-Pa-Papagena!
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Slavonic Dances, Op. 72, B. 147: No. 2, Dumka
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Impromptu (Thomas's piece)
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Don Giovanni, K.527: "Là ci darem la mano"
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Die junge Nonne, D.828
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Oboe Concerto in C Major, K. 314/285d: I. Allegro aperto
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A lenda do caboclo
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Carmen: Chanson bohème
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Welcome to Earth - (Bonus Track)
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Strauss, R.: Der Rosenkavalier
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4befb998f788ce8c85fe62593f88bb6a3726adb1e9189ff73627180682507b53. 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/GBF076940316.
    date published: 2026-07-08T03:22:41Z
  audio: Der Rosenkavalier, Op. 59 / Act 2: Introduction - "Ein ernster Tag"
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  subject of: OpenTimestamps Proof of Existence
  audio: Der Rosenkavalier, Op. 59 / Act 1: "Wie du warst!"
track: Der Rosenkavalier, Op. 59 / Act 2: "In dieser feierlichen Stunde"
track: Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
track: Der Rosenkavalier, Op. 59 / Act 3: "Nein, nein, nein . . . Die schöne Musi!"
track: Der Rosenkavalier, Op. 59 / Act 2: "Ich kenn' Ihn schon recht wohl"
track: Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
track: Der Rosenkavalier, Op. 59 / Act 2: "Eh bien! Nun plauder Sie . . . Wir kommen über Nacht"
track: Der Rosenkavalier, Op. 59 / Act 3: "Zur Stelle! Was wird von mir gewünscht?"
track: Der Rosenkavalier, Op. 59 / Act 3: "Sind desto eher im klaren"
track: Der Rosenkavalier, Op. 59 / Act 1: "Di rigori armato il seno"
track: Der Rosenkavalier, Op. 59 / Act 3: "Bin glücklich über Massen...Muss jetzt partout zu ihr"
track: Der Rosenkavalier, Op. 59 / Act 2: "Herr Schwiegersohn! Wie ist ihm denn?"
track: Der Rosenkavalier, Op. 59 / Act 1: "Mein lieber Hippolyte"
track: Der Rosenkavalier, Op. 59 / Act 2: "Blamage! Mir auseinander meine Eh'"
track: Der Rosenkavalier, Op. 59 / Act 1: "Da geht er hin"
track: Der Rosenkavalier, Op. 59 / Act 1: "Ach! Du bist wieder da!"
track: Der Rosenkavalier, Op. 59, TrV 227 / Act III: "Marie Theres'!" - "Hab mir's gelobt, Ihn lieb zu haben"
track: Der Rosenkavalier, Op. 59 / Act 1: "Die Zeit ist...Mein schöner Schatz...Ich werde jetzt"
track: Der Rosenkavalier, Op. 59 / Act 3: "Ist ein Traum, kann nicht wirklich sein" - "Spür nur dich"

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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 0xd6b11e5b2c918ccae5d6abf378ba9526e1af52499fc64807cd71379c1c0f6c85. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940302.
date published: 2026-07-02T05:09:12Z

Der Rosenkavalier, Op. 59 / Act 1: "Wie du warst!"
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Der Rosenkavalier, Op. 59 / Act 2: "In dieser feierlichen Stunde"
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duration: PT3M23S
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by artist: Richard Strauss
by artist: Helen Donath
by artist: Emmy Loose
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
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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/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940317
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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 0xeb0c59e7a00dbcff2c3f60d46e7dee80453c3ddc28c297a74246b1ebc4d9848e. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBF076940317.
  date published: 2026-07-07T16:07:00Z
audio: Der Rosenkavalier, Op. 59 / Act 2: "In dieser feierlichen Stunde"
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Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
type: MusicRecording
duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Richard Strauss
by artist: Anton Dermota
by artist: Adolf Tomaschek
by artist: Franz Setzer
by artist: Freidrich Strack
by artist: Nikolaus Simkovsky
by artist: Manfred Jungwirth
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940331
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  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/GBF076940331
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:53:27Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Hab'n Euer Gnaden noch weitre Befehle?"
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Der Rosenkavalier, Op. 59 / Act 3: "Nein, nein, nein . . . Die schöne Musi!"
type: MusicRecording
duration: PT6M40S
duration ms: 400933
explicit: false
by artist: Richard Strauss
by artist: Yvonne Minton
by artist: Manfred Jungwirth
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940332
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940332
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: 2026-07-08T03:53:27Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Nein, nein, nein . . . Die schöne Musi!"
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Der Rosenkavalier, Op. 59 / Act 2: "Ich kenn' Ihn schon recht wohl"
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by artist: Helen Donath
by artist: Yvonne Minton
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
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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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  date published: 2026-07-08T03:22:41Z
audio: Der Rosenkavalier, Op. 59 / Act 2: "Ich kenn' Ihn schon recht wohl"
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Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
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by artist: Manfred Jungwirth
by artist: Anne Howells
by artist: Yvonne Minton
by artist: Anton Dermota
by artist: Adolf Tomaschek
by artist: Franz Setzer
by artist: Freidrich Strack
by artist: Nikolaus Simkovsky
by artist: Murray Dickie
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
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genre: classical
genre: opera
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Da und da und da und da"
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Der Rosenkavalier, Op. 59 / Act 2: "Eh bien! Nun plauder Sie . . . Wir kommen über Nacht"
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duration: PT6M17S
duration ms: 377466
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by artist: Richard Strauss
by artist: Manfred Jungwirth
by artist: Helen Donath
by artist: Otto Wiener
by artist: Yvonne Minton
by artist: Emmy Loose
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
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  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Der Rosenkavalier, Op. 59 / Act 2: "Eh bien! Nun plauder Sie . . . Wir kommen über Nacht"
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Der Rosenkavalier, Op. 59 / Act 3: "Zur Stelle! Was wird von mir gewünscht?"
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duration: PT5M4S
duration ms: 304226
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by artist: Richard Strauss
by artist: Otto Wiener
by artist: Manfred Jungwirth
by artist: Herbert Lackner
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
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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
  type: DigitalDocument
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  date published: 2026-07-08T03:53:27Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Zur Stelle! Was wird von mir gewünscht?"
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Der Rosenkavalier, Op. 59 / Act 3: "Sind desto eher im klaren"
type: MusicRecording
duration: PT2M33S
duration ms: 153640
explicit: false
by artist: Richard Strauss
by artist: Manfred Jungwirth
by artist: Herbert Lackner
by artist: Yvonne Minton
by artist: Anton Dermota
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
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additional property: OTSVerificationAPI
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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
audio: Der Rosenkavalier, Op. 59 / Act 3: "Sind desto eher im klaren"
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Der Rosenkavalier, Op. 59 / Act 1: "Di rigori armato il seno"
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duration: PT3M3S
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by artist: Richard Strauss
by artist: Luciano Pavarotti
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
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genre: classical
genre: opera
genre: orchestra
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Der Rosenkavalier, Op. 59 / Act 1: "Di rigori armato il seno"
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Der Rosenkavalier, Op. 59 / Act 3: "Bin glücklich über Massen...Muss jetzt partout zu ihr"
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duration: PT2M42S
duration ms: 162120
explicit: false
by artist: Richard Strauss
by artist: Manfred Jungwirth
by artist: Yvonne Minton
by artist: Herbert Lackner
by artist: Régine Crespin
by artist: Helen Donath
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
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genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940338
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Bin glücklich über Massen...Muss jetzt partout zu ihr"
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Der Rosenkavalier, Op. 59 / Act 2: "Herr Schwiegersohn! Wie ist ihm denn?"
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duration: PT3M9S
duration ms: 189373
explicit: false
by artist: Richard Strauss
by artist: Otto Wiener
by artist: Manfred Jungwirth
by artist: Yvonne Minton
by artist: Helen Donath
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
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  date published: 1969-01-01
genre: classical
genre: opera
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x799c8777067dafadca85e14ff65610434337725b32039b81b7f1c1c516365834. 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/GBF076940325.
  date published: 2026-07-08T08:56:20Z
audio: Der Rosenkavalier, Op. 59 / Act 2: "Herr Schwiegersohn! Wie ist ihm denn?"
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Der Rosenkavalier, Op. 59 / Act 1: "Mein lieber Hippolyte"
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duration: PT3M43S
duration ms: 223306
explicit: false
by artist: Richard Strauss
by artist: Régine Crespin
by artist: Murray Dickie
by artist: Manfred Jungwirth
by artist: Anne Howells
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
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  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11b83448fb71f4dff5576615bd3ecebb64068f8f0dfa7d94ac5145d486f16350
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/GBF076940311
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 0x11b83448fb71f4dff5576615bd3ecebb64068f8f0dfa7d94ac5145d486f16350. 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/GBF076940311.
  date published: 2026-07-08T03:53:27Z
audio: Der Rosenkavalier, Op. 59 / Act 1: "Mein lieber Hippolyte"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.702
  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: 0.373
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.103
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.261
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.226
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.835
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Rosenkavalier, Op. 59 / Act 2: "Blamage! Mir auseinander meine Eh'"
type: MusicRecording
duration: PT2M32S
duration ms: 152186
explicit: false
by artist: Richard Strauss
by artist: Otto Wiener
by artist: Helen Donath
by artist: Yvonne Minton
by artist: Manfred Jungwirth
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:10:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x895bff6995649619208e8f895d86bfa6ba4941cc70e0bb1766cb3f57ca604539
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/GBF076940326
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 0x895bff6995649619208e8f895d86bfa6ba4941cc70e0bb1766cb3f57ca604539. 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/GBF076940326.
  date published: 2026-07-08T08:56:20Z
audio: Der Rosenkavalier, Op. 59 / Act 2: "Blamage! Mir auseinander meine Eh'"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.474
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.383
  additional property: Speechiness
    type: PropertyValue
    value: 0.109
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.425
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.769
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Der Rosenkavalier, Op. 59 / Act 1: "Da geht er hin"
type: MusicRecording
duration: PT5M1S
duration ms: 301440
explicit: false
by artist: Richard Strauss
by artist: Régine Crespin
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:16:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f105f249e1089c0cc2fad9f57bd1878ff1baae7aaf306170c02bb40555e558d
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/GBF076940312
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 0x8f105f249e1089c0cc2fad9f57bd1878ff1baae7aaf306170c02bb40555e558d. 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/GBF076940312.
  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59 / Act 1: "Da geht er hin"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.957
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.52
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.206
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Rosenkavalier, Op. 59 / Act 1: "Ach! Du bist wieder da!"
type: MusicRecording
duration: PT6M5S
duration ms: 365266
explicit: false
by artist: Richard Strauss
by artist: Yvonne Minton
by artist: Régine Crespin
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940313
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:31:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53476cee691edd2e4ce991148284a2484cbfec5f6f25ce12a2467ddc75e0503e
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/GBF076940313
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 0x53476cee691edd2e4ce991148284a2484cbfec5f6f25ce12a2467ddc75e0503e. 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/GBF076940313.
  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59 / Act 1: "Ach! Du bist wieder da!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.352
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.342
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.043
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.884
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Rosenkavalier, Op. 59, TrV 227 / Act III: "Marie Theres'!" - "Hab mir's gelobt, Ihn lieb zu haben"
type: MusicRecording
duration: PT6M4S
duration ms: 364960
explicit: false
by artist: Richard Strauss
by artist: Yvonne Minton
by artist: Régine Crespin
by artist: Helen Donath
by artist: Otto Wiener
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940342
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:12:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02fb696ab92d73d96684372c9f069a4299708560cdb7ce054693edbff1321bbb
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/GBF076940342
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 0x02fb696ab92d73d96684372c9f069a4299708560cdb7ce054693edbff1321bbb. 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/GBF076940342.
  date published: 2026-07-02T03:55:08Z
audio: Der Rosenkavalier, Op. 59, TrV 227 / Act III: "Marie Theres'!" - "Hab mir's gelobt, Ihn lieb zu haben"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.911
  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: 0.154
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.063
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.861
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Rosenkavalier, Op. 59 / Act 1: "Die Zeit ist...Mein schöner Schatz...Ich werde jetzt"
type: MusicRecording
duration: PT10M23S
duration ms: 623666
explicit: false
by artist: Richard Strauss
by artist: Régine Crespin
by artist: Yvonne Minton
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:37:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43433e9db17c137a1b157c019d9083eb6f4fa5fca2bc99d8edc449bd8229cac4
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/GBF076940314
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 0x43433e9db17c137a1b157c019d9083eb6f4fa5fca2bc99d8edc449bd8229cac4. 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/GBF076940314.
  date published: 2026-07-08T03:22:41Z
audio: Der Rosenkavalier, Op. 59 / Act 1: "Die Zeit ist...Mein schöner Schatz...Ich werde jetzt"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.14
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.73
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Rosenkavalier, Op. 59 / Act 3: "Ist ein Traum, kann nicht wirklich sein" - "Spür nur dich"
type: MusicRecording
duration: PT6M40S
duration ms: 400746
explicit: false
by artist: Richard Strauss
by artist: Helen Donath
by artist: Yvonne Minton
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Strauss, R.: Der Rosenkavalier
  type: MusicAlbum
  date published: 1969-01-01
genre: classical
genre: opera
genre: orchestra
isrc code: GBF076940343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:34:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0a08f4922812bb6a7bf2349fc756a5d5128234c273c190bdbe43516679d6afb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940343
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a08f4922812bb6a7bf2349fc756a5d5128234c273c190bdbe43516679d6afb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076940343.
  date published: 2026-07-02T11:38:34Z
audio: Der Rosenkavalier, Op. 59 / Act 3: "Ist ein Traum, kann nicht wirklich sein" - "Spür nur dich"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.184
  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: 0.173
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.079
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
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55 Waltz
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track: Gianni Schicchi: O mio babbino caro
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9a1c14a3aa2b276a06b0a3b8aabeb50867d70ffbd7b087186843a245520391. 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/FRZ118701170.
date published: 2026-07-08T03:22:41Z

Lakmé, Act I: Flower Duet
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.276
additional property: Energy
  type: PropertyValue
  value: 0.101
additional property: Speechiness
  type: PropertyValue
  value: 0.045
additional property: Acousticness
  type: PropertyValue
  value: 0.971
additional property: Instrumentalness
  type: PropertyValue
  value: 0.757
additional property: Liveness
  type: PropertyValue
  value: 0.223
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.045
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.516
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
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Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT2M35S
duration ms: 155160
explicit: false
by artist: Giacomo Puccini
by artist: Philharmonia Orchestra
by artist: Tullio Serafin
by artist: Maria Callas
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
isrc code: GBAYC8700331
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-06-07T05:46:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6722d932a71038cf783340bdb72858bc6effb597fb9dcdfec21cf149d43cdb70
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/GBAYC8700331
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 0x6722d932a71038cf783340bdb72858bc6effb597fb9dcdfec21cf149d43cdb70. 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/GBAYC8700331.
  date published: 2026-07-08T03:22:41Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.222
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.071
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.073
  additional property: Key Name
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    value: Ab
  additional property: Mode Name
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Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
type: MusicRecording
duration: PT5M19S
duration ms: 319000
explicit: false
by artist: Giuseppe Verdi
by artist: Ambrosian Opera Chorus
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: opera
isrc code: GBAYC8602273
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc99889af9516cc85c8b724f5cc3ed127f9cb4a4d9e2b5cc2ac243eda300b874c
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/GBAYC8602273
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 0xc99889af9516cc85c8b724f5cc3ed127f9cb4a4d9e2b5cc2ac243eda300b874c. 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/GBAYC8602273.
  date published: 2026-07-08T03:22:41Z
audio: Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.818
  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: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.655
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.864
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Orfeo ed Euridice, Wq. 30, Act III Scene 1: Che farò senza Euridice? (Orfeo)
type: MusicRecording
duration: PT5M28S
duration ms: 328000
explicit: false
by artist: Christoph Willibald Gluck
by artist: Agnes Baltsa
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: opera
isrc code: GBAYC9704900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:35:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c7b58043dc7babf151d744990bcdc07e31ee4bc6499cd1d47fb18075e2d2d1f
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/GBAYC9704900
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 0x5c7b58043dc7babf151d744990bcdc07e31ee4bc6499cd1d47fb18075e2d2d1f. 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/GBAYC9704900.
  date published: 2026-07-08T03:20:19Z
audio: Orfeo ed Euridice, Wq. 30, Act III Scene 1: Che farò senza Euridice? (Orfeo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.563
  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: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.786
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Elisir d'amore, Act II: Una furtiva lagrima
type: MusicRecording
duration: PT4M55S
duration ms: 295320
explicit: false
by artist: Gaetano Donizetti
by artist: Francesco Molinari-Pradelli
by artist: Nicolai Gedda
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
genre: opera
isrc code: GBAYC8802634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:46:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e316e7949347ba4a83b0e7c9edac9d067013816c006d2dd64a632a66125e4e3
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/GBAYC8802634
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 0x6e316e7949347ba4a83b0e7c9edac9d067013816c006d2dd64a632a66125e4e3. 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/GBAYC8802634.
  date published: 2026-07-08T03:20:19Z
audio: L'Elisir d'amore, Act II: Una furtiva lagrima
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.936
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.234
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
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    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Serse, HWV. 40, Act I Scene I: Ombra mai fu (Serse)
type: MusicRecording
duration: PT3M25S
duration ms: 205373
explicit: false
by artist: George Frideric Handel
by artist: Anne Sofie von Otter
by artist: Les Arts Florissants
by artist: William Christie
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC0303154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:12:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdeeb6707c6c1e96203b3460c0c70157acb2521a224db0440e37f53680e9a5606
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0303154
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeeb6707c6c1e96203b3460c0c70157acb2521a224db0440e37f53680e9a5606. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0303154.
  date published: 2026-07-07T14:50:41Z
audio: Serse, HWV. 40, Act I Scene I: Ombra mai fu (Serse)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.027
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Don Giovanni, K. 527, Act II: Deh, vieni alla finestra
type: MusicRecording
duration: PT2M8S
duration ms: 128560
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Harding
by artist: Mahler Chamber Orchestra
by artist: Peter Mattei
by artist: Solistes De l'Académie Européenne De Musique D'Aix-en-Provence
in album: Opera
  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: classical-era
isrc code: GBAYC9903067
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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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903067
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d3c2411868b476c1da9a44b3cb847f951dae61f47ce4fc5480fe011f0aade6. 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/GBAYC9903067.
  date published: 2026-07-08T03:22:41Z
audio: Don Giovanni, K. 527, Act II: Deh, vieni alla finestra
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: 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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The 50 Absolute Essentials of Classical Music
type: MusicAlbum
date published: 2014-05-09

Masterpieces of Operetta: Ziehrer, Suppé, Strauss, Stolz, Lehár & Dostal (Remastered 2018)
type: MusicAlbum
date published: 2018-12-14

Singer Portrait: Karl Terkal
type: MusicAlbum
date published: 2015-03-13

Kálmán: Gräfin Mariza
type: MusicAlbum
date published: 2015-01-29
track: Gräfin Mariza, Act I: Ouvertüre
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  duration: PT3M25S
  duration ms: 205093
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  by artist: Emmerich Kálmán
  by artist: Hamburger Rundfunkorchester
  by artist: Wilhelm Stephan
  in album: Kálmán: Gräfin Mariza
    type: MusicAlbum
    date published: 2015-01-29
  genre: fado
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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 0x985b3659373ccb9fcb4dd0c06c94c6aeabc4d4d68657c1234d9ee9140ddd353a. 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/DEHB51303738.
    date published: 2026-07-08T03:22:41Z
  audio: Gräfin Mariza, Act I: Ouvertüre
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track: Gräfin Mariza, Act I: "Wir singen dir, wir bringen dir ein Liedchen dar" (Kinderchor, Tassilo)
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  by artist: Emmerich Kálmán
  by artist: Hamburger Rundfunkorchester
  by artist: Wilhelm Stephan
  by artist: KinderChor des NDR Hamburg
  by artist: Karl Terkal
  in album: Kálmán: Gräfin Mariza
    type: MusicAlbum
    date published: 2015-01-29
  genre: fado
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303740
  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 0x52873ad7b018c8ceaa37416308cf5cd3cee20d85bceccfb333fdd34aaa118252. 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/DEHB51303740.
    date published: 2026-07-08T08:56:20Z
  audio: Gräfin Mariza, Act I: "Wir singen dir, wir bringen dir ein Liedchen dar" (Kinderchor, Tassilo)
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track: Gräfin Mariza, Act I: Dialog 2 (Tassilo)
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  by artist: Emmerich Kálmán
  by artist: Karl Terkal
  in album: Kálmán: Gräfin Mariza
    type: MusicAlbum
    date published: 2015-01-29
  genre: fado
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Gräfin Mariza, Act I: Dialog 2 (Tassilo)
track: Gräfin Mariza, Act I: "Wenn es Abend wird" - "Grüß mir die süßen die reizenden Frauen" (Tassilo)
track: Gräfin Mariza, Act I: "Höre ich Zigeunerweisen" - "Wo wohnt die Liebe" (Mariza, Chor)
track: Gräfin Mariza, Act I: Dialog 5 (Tassilo, Lisa)
track: Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)
track: Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)
track: Gräfin Mariza, Act I: "Auch ich war einst ein feiner Csárdáskavalier" - "Komm, Zigan" (Tassilo)
track: Gräfin Mariza, Act I: "Bitte sehr, das ist doch gar nix, nein!" (Populescu, Zsupan, Mariza, Manja, Chor)
track: Gräfin Mariza, Act I: "Komm Zigány" (Tassilo)

OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303741

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0xeb954f43f781130882afce0ec6ddf0ed9838ffacbe007a7662c7b07f6362f9b6. 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/DEHB51303741.
date published: 2026-07-08T03:20:19Z

Gräfin Mariza, Act I: Dialog 2 (Tassilo)
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: 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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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Gräfin Mariza, Act I: "Wenn es Abend wird" - "Grüß mir die süßen die reizenden Frauen" (Tassilo)
type: MusicRecording
duration: PT4M25S
duration ms: 265240
explicit: false
by artist: Emmerich Kálmán
by artist: Hamburger Rundfunkorchester
by artist: Wilhelm Stephan
by artist: Karl Terkal
in album: Kálmán: Gräfin Mariza
  type: MusicAlbum
  date published: 2015-01-29
genre: fado
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303742
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec510bdd27052fb7fe841fbe90bf88de355edc1086a0c450a783e5f216546b8b. 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/DEHB51303742.
  date published: 2026-07-08T03:20:19Z
audio: Gräfin Mariza, Act I: "Wenn es Abend wird" - "Grüß mir die süßen die reizenden Frauen" (Tassilo)
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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: Speechiness
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  additional property: Acousticness
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Gräfin Mariza, Act I: "Höre ich Zigeunerweisen" - "Wo wohnt die Liebe" (Mariza, Chor)
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duration: PT3M35S
duration ms: 215560
explicit: false
by artist: Emmerich Kálmán
by artist: Hamburger Rundfunkorchester
by artist: Wilhelm Stephan
by artist: Sena Jurinaz
by artist: Chor Des NDR Hamburg
in album: Kálmán: Gräfin Mariza
  type: MusicAlbum
  date published: 2015-01-29
genre: fado
isrc code: DEHB51303746
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEHB51303746
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefba74da4629048b68390b3c4d9b955ddf83308af8ba1d2f2dd8f5ee58d6ca8a. 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/DEHB51303746.
  date published: 2026-07-08T03:53:27Z
audio: Gräfin Mariza, Act I: "Höre ich Zigeunerweisen" - "Wo wohnt die Liebe" (Mariza, Chor)
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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: Speechiness
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Gräfin Mariza, Act I: Dialog 5 (Tassilo, Lisa)
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duration: PT3M46S
duration ms: 226866
explicit: false
by artist: Emmerich Kálmán
by artist: Karl Terkal
by artist: Anneliese Rothenberger
in album: Kálmán: Gräfin Mariza
  type: MusicAlbum
  date published: 2015-01-29
genre: fado
isrc code: DEHB51303747
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x5c652252a51dc8e319f187a29e680eee55d39ccbf631762b5e80d5112623cfc5. 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/DEHB51303747.
  date published: 2026-07-08T03:22:41Z
audio: Gräfin Mariza, Act I: Dialog 5 (Tassilo, Lisa)
  type: AudioObject
  additional property: Tempo (BPM)
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Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)
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duration: PT3M49S
duration ms: 229466
explicit: false
by artist: Emmerich Kálmán
by artist: Hamburger Rundfunkorchester
by artist: Wilhelm Stephan
by artist: Karl Terkal
by artist: Anneliese Rothenberger
in album: Kálmán: Gräfin Mariza
  type: MusicAlbum
  date published: 2015-01-29
genre: fado
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1562291e611a618683d555284a8da46bfab40386da109db93cf0e6ae23f926e0. 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/DEHB51303748.
  date published: 2026-07-08T03:39:04Z
audio: Gräfin Mariza, Act I: "O schöne Kinderzeit" - "Schwesterlein, Schwesterlein" (Tassilo, Lisa)
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Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)
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  date published: 2026-07-08T03:53:27Z
audio: Gräfin Mariza, Act I: "Ich bitte, nicht lachen" - "Komm mit nach Varasdin" (Zsupan, Mariza)
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Gräfin Mariza, Act I: "Auch ich war einst ein feiner Csárdáskavalier" - "Komm, Zigan" (Tassilo)
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  date published: 2026-07-08T03:53:27Z
audio: Gräfin Mariza, Act I: "Auch ich war einst ein feiner Csárdáskavalier" - "Komm, Zigan" (Tassilo)
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Gräfin Mariza, Act I: "Bitte sehr, das ist doch gar nix, nein!" (Populescu, Zsupan, Mariza, Manja, Chor)
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  date published: 2026-07-08T03:53:27Z
audio: Gräfin Mariza, Act I: "Bitte sehr, das ist doch gar nix, nein!" (Populescu, Zsupan, Mariza, Manja, Chor)
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Gräfin Mariza, Act I: "Komm Zigány" (Tassilo)
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audio: Gräfin Mariza, Act I: "Komm Zigány" (Tassilo)
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Strauss: Die Fledermaus
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Puccini: Turandot (Sung in German) [Recorded Live 1956]
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Operettenzauber (Mono Version)
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Wiener Prater Leben
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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 0xd73e5750731dac233e0e704a2846dbefb5371fbce26e8116f062867036916c36. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF706000056.
date published: 2026-07-02T03:30:09Z

Kaiserwalzer
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 172.11
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.239
additional property: Energy
  type: PropertyValue
  value: 0.199
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.911
additional property: Instrumentalness
  type: PropertyValue
  value: 0.664
additional property: Liveness
  type: PropertyValue
  value: 0.101
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.287
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.186
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Operetten: Gala
type: MusicAlbum
date published: 2015-11-06
track: Die Csardasfurstin (The Gypsy Princess), Act II: Duet: Tanzen mochte ich
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160866
  explicit: false
  by artist: Emmerich Kálmán
  by artist: Ruth-Margret Putz
  by artist: Heinz Hoppe
  by artist: Berlin Municipal Opera Orchestra
  by artist: Hansgeorg Otto
  in album: Operetten: Gala
    type: MusicAlbum
    date published: 2015-11-06
  popularity: 25
  genre: fado
  isrc code: DEAD61402501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T18:56:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5baf890912e3e068ac71483de1e52b516f11d66ca36e743d9107dcd72a273d64
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD61402501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5baf890912e3e068ac71483de1e52b516f11d66ca36e743d9107dcd72a273d64. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD61402501.
    date published: 2026-06-13T13:32:09Z
  audio: Die Csardasfurstin (The Gypsy Princess), Act II: Duet: Tanzen mochte ich
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.728
    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: 0.246
    additional property: Energy
      type: PropertyValue
      value: 0.231
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.878
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.393
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.176
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Der Vetter aus Dingsda, Act I: Ich bin nur ein armer Wandergesell
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190186
  explicit: false
  by artist: Eduard Künneke
  by artist: Peter Anders
  by artist: Franz Marszalek Orchestra
  by artist: Franz Marszalek
  in album: Operetten: Gala
    type: MusicAlbum
    date published: 2015-11-06
  popularity: 3
  isrc code: DEAD61402503
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:22:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x97a8aaed1da2bc463c94cb114e2899a62e788da05eda950e43487024ae85dcde
  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/DEAD61402503
  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 0x97a8aaed1da2bc463c94cb114e2899a62e788da05eda950e43487024ae85dcde. 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/DEAD61402503.
    date published: 2026-07-08T03:20:19Z
  audio: Der Vetter aus Dingsda, Act I: Ich bin nur ein armer Wandergesell
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.3
    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: 0.236
    additional property: Energy
      type: PropertyValue
      value: 0.211
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.24
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.201
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.372
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Marietta: Warte, warte nur ein Weilchen
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177946
  explicit: false
  by artist: Rudolf Scherfling
  by artist: Wilfried Kruger Orchestra
  by artist: Ina-Elisabeth Brosow
  by artist: Wilfried Krüger
  in album: Operetten: Gala
    type: MusicAlbum
    date published: 2015-11-06
  popularity: 4
  isrc code: DEAD61402504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:47:03+00:00
  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: Marietta: Warte, warte nur ein Weilchen
track: Die Csardasfurstin (The Gypsy Princess), Act II: Machen wir's den Schwalben nach

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xeb5dcdad3e9f7e6bff6839dde9e60268a21743103257c0356af336d2270c6709

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/DEAD61402504

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 0xeb5dcdad3e9f7e6bff6839dde9e60268a21743103257c0356af336d2270c6709. 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/DEAD61402504.
date published: 2026-07-08T03:53:27Z

Marietta: Warte, warte nur ein Weilchen
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.658
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: 0.216
additional property: Energy
  type: PropertyValue
  value: 0.288
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.774
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.107
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.58
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.347
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Die Csardasfurstin (The Gypsy Princess), Act II: Machen wir's den Schwalben nach
type: MusicRecording
duration: PT4M31S
duration ms: 271386
explicit: false
by artist: Emmerich Kálmán
by artist: Margot Guillaume
by artist: Rupert Glawitsch
by artist: Northwest German Radio Symphony Orchestra
by artist: Harry Herrmann
in album: Operetten: Gala
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
genre: fado
isrc code: DEAD61402505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:09:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedc24961964a5ec56a682ae1b55686614ca8afd43f9728350e2bb78dd08e2a58
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/DEAD61402505
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 0xedc24961964a5ec56a682ae1b55686614ca8afd43f9728350e2bb78dd08e2a58. 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/DEAD61402505.
  date published: 2026-07-08T03:22:41Z
audio: Die Csardasfurstin (The Gypsy Princess), Act II: Machen wir's den Schwalben nach
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.724
  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: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.44
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte - The Sony Opera House
type: MusicAlbum
date published: 1981
track: Die Zauberflöte, K. 620: Der Vogelfänger Bin Ich Ja (Song)
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166960
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Christian Boesch
  by artist: James Levine
  by artist: Wiener Philharmoniker
  in album: Mozart: Die Zauberflöte - The Sony Opera House
    type: MusicAlbum
    date published: 1981
  genre: classical
  genre: classical-era
  isrc code: USBC18000184
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:58:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6f7e290b00e8354808dc1eb22cfba184c26887685aeffbc310765e40e78c8e2c
  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/USBC18000184
  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 0x6f7e290b00e8354808dc1eb22cfba184c26887685aeffbc310765e40e78c8e2c. 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/USBC18000184.
    date published: 2026-07-08T03:22:41Z
  audio: Die Zauberflöte, K. 620: Der Vogelfänger Bin Ich Ja (Song)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.664
    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: 0.539
    additional property: Energy
      type: PropertyValue
      value: 0.09
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.279
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.421
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.214
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Zauberflöte, K. 620: March of the Priests
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165333
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: James Levine
  by artist: Wiener Philharmoniker
  by artist: Zdzislawa Donat
  in album: Mozart: Die Zauberflöte - The Sony Opera House
    type: MusicAlbum
    date published: 1981
  genre: classical
  genre: classical-era
  isrc code: USBC18000198
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:23:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5e860d2caec10fc3315f274aef1ca249328952c75000c80576d8687b3d736ce
  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/USBC18000198
  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 0xc5e860d2caec10fc3315f274aef1ca249328952c75000c80576d8687b3d736ce. 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/USBC18000198.
    date published: 2026-07-08T03:20:19Z
  audio: Die Zauberflöte, K. 620: March of the Priests
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.029
    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: 0.104
    additional property: Energy
      type: PropertyValue
      value: 0.028
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.921
    additional property: Liveness
      type: PropertyValue
      value: 0.202
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.173
    additional property: Loudness (dB)
      type: PropertyValue
      value: -33.963
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Zauberflöte, K. 620: Der Hölle Rache
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171866
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: James Levine
  by artist: Zdislawa Donat
  by artist: Wiener Philharmoniker
  by artist: Christian Boesch
  in album: Mozart: Die Zauberflöte - The Sony Opera House
    type: MusicAlbum
    date published: 1981
  genre: classical
  genre: classical-era
  isrc code: USBC18000207
  additional property: CopyrightID
  additional property: CopyrightStatus
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  subject of: OpenTimestamps Proof of Existence
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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
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date published: 2026-07-02T03:30:09Z

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  additional property: OTSVerifyInstructions
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    date published: 2026-07-08T03:22:41Z
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track: Die Zauberflöte, K. 620: Pa-Pa-Pa-Papagena!
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:16:32Z
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Die Lustige Witwe
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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: 2026-07-08T03:39:04Z
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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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Der Bettelstudent
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Twenty Gems of Viennese Operetta
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Beethoven: Fidelio (Les indispensables de Diapason)
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Ziehrer: Das Grosse Operettenfestival
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I capolavori dell'opera
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50 Opera Classics for Beginners
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Zauberwelt Operette
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Suppé: Leichte Kavallerie
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Ghiaurov: Opernszenen (1969-1998)
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Salome
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Operetten Schätze, Vol. 9
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Operetten Schätze, Vol. 1
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track: Don Juan, Op. 20

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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044826025a7a5bd40d89db83116910763cb3f8a6a083b57d9fa553066453b180. 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/DEF058100294.
date published: 2026-07-08T03:20:19Z

Eine Alpensinfonie, Op. 64: IV. Eintritt in den Wald
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 99.622
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: 0.067
additional property: Energy
  type: PropertyValue
  value: 0.177
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.927
additional property: Instrumentalness
  type: PropertyValue
  value: 0.838
additional property: Liveness
  type: PropertyValue
  value: 0.366
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.07
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.889
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Eine Alpensinfonie, Op. 64: VIII. Auf blumige Wiesen
type: MusicRecording
duration: PT0M56S
duration ms: 56000
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058101286
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:28:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf29e090fa7b0161fa215dfb2cba1808def9165e63d3ab5a1ecb69cc8f63ba51a
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/DEF058101286
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 0xf29e090fa7b0161fa215dfb2cba1808def9165e63d3ab5a1ecb69cc8f63ba51a. 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/DEF058101286.
  date published: 2026-07-08T03:22:41Z
audio: Eine Alpensinfonie, Op. 64: VIII. Auf blumige Wiesen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.615
  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: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.859
  additional property: Liveness
    type: PropertyValue
    value: 0.588
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.145
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.421
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Eine Alpensinfonie, Op. 64: IX. Auf der Alm
type: MusicRecording
duration: PT2M6S
duration ms: 126266
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058101287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:21:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc1f3c8972c01626656935867ef4fe5daae98ecf501aee495a676ae33c5ac250
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/DEF058101287
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 0xdc1f3c8972c01626656935867ef4fe5daae98ecf501aee495a676ae33c5ac250. 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/DEF058101287.
  date published: 2026-07-08T08:56:20Z
audio: Eine Alpensinfonie, Op. 64: IX. Auf der Alm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.356
  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: 0.096
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.79
  additional property: Liveness
    type: PropertyValue
    value: 0.736
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.894
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Eine Alpensinfonie, Op. 64: X. Durch Dickicht und Gestrüpp auf Irrwegen
type: MusicRecording
duration: PT1M33S
duration ms: 93973
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058101288
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:20:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97ea0b75f2babef79f677f40d8b8cec58b03fbb88935c76f17ddc201ae82d3e2
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/DEF058101288
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 0x97ea0b75f2babef79f677f40d8b8cec58b03fbb88935c76f17ddc201ae82d3e2. 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/DEF058101288.
  date published: 2026-07-08T03:53:27Z
audio: Eine Alpensinfonie, Op. 64: X. Durch Dickicht und Gestrüpp auf Irrwegen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.725
  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: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.368
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.218
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Eine Alpensinfonie, Op. 64: XI. Auf dem Gletscher
type: MusicRecording
duration: PT1M17S
duration ms: 77400
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058101289
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:34:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2fceded0530898bc61770ecaef45b48c46d0128148cea83218bc623914b2aeb
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/DEF058101289
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 0xc2fceded0530898bc61770ecaef45b48c46d0128148cea83218bc623914b2aeb. 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/DEF058101289.
  date published: 2026-07-08T03:22:41Z
audio: Eine Alpensinfonie, Op. 64: XI. Auf dem Gletscher
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.579
  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: 0.231
  additional property: Energy
    type: PropertyValue
    value: 0.539
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.814
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.308
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.118
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.146
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Eine Alpensinfonie, Op. 64: XVI. Die Sonne verdüstert sich allmählich
type: MusicRecording
duration: PT0M49S
duration ms: 49066
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058101295
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:30:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdda3f94862b1bc5f6a736c545b075f9522bdcd770f27b2f205c2389144593e42
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/DEF058101295
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 0xdda3f94862b1bc5f6a736c545b075f9522bdcd770f27b2f205c2389144593e42. 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/DEF058101295.
  date published: 2026-07-08T03:22:41Z
audio: Eine Alpensinfonie, Op. 64: XVI. Die Sonne verdüstert sich allmählich
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.44
  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: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.959
  additional property: Liveness
    type: PropertyValue
    value: 0.335
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.585
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Eine Alpensinfonie, Op. 64: XVIII. Stille vor dem Sturm
type: MusicRecording
duration: PT3M2S
duration ms: 182226
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058100299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T23:04:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8858fe7386adb0e9fceff3886d049e2a0d4b99356d5c3ca0631550e176f5533c
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/DEF058100299
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 0x8858fe7386adb0e9fceff3886d049e2a0d4b99356d5c3ca0631550e176f5533c. 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/DEF058100299.
  date published: 2026-07-08T03:53:27Z
audio: Eine Alpensinfonie, Op. 64: XVIII. Stille vor dem Sturm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.567
  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: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.612
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.635
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.191
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Eine Alpensinfonie, Op. 64: XIX. Gewitter und Sturm, Abstieg
type: MusicRecording
duration: PT3M57S
duration ms: 237800
explicit: false
by artist: Richard Strauss
by artist: David Bell
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Richard Strauss
  type: MusicAlbum
  date published: 2024-05-10
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: DEF058100292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:33:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d4836258bdf0fec8fbb29db8b806e41f58f4c5526c019e0c9c085e088788788
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
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subject of: OpenTimestamps Proof of Existence
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Don Juan, Op. 20
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subject of: OpenTimestamps Proof of Existence
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audio: Don Juan, Op. 20
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Strauss, R.: Die Frau ohne Schatten
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R. Strauss: Der Rosenkavalier
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:50:38Z
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track: Der Rosenkavalier, Op. 59, Act II: Introduction
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    date published: 2026-07-08T08:56:20Z
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track: Der Rosenkavalier, Op. 59, Act III: Introduction and Pantomime
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  audio: Der Rosenkavalier, Op. 59, Act III: Introduction and Pantomime
track: Der Rosenkavalier, Op. 59, Act I: Wie du warst!
track: Der Rosenkavalier, Op. 59, Act III: Hab'n euer Gnaden noch weitre Befehle?
track: Der Rosenkavalier, Op. 59, Act I: Der Feldmarschall sitzt im krowatischen Wald
track: Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
track: Der Rosenkavalier, Op. 59, Act I: I komm' glei
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track: Der Rosenkavalier, Op. 59, Act II: Mit Ihren Augen voll Tränen
track: Der Rosenkavalier, Op. 59, Act I: Ach! Du bist wieder da!
track: Der Rosenkavalier, Op. 59, Act III: Marie Theres'! ... Hab mir's gelobt, Ihn lieb zu haben (Trio)
track: Der Rosenkavalier, Op. 59, Act I: Die Zeit, die ist ein sonderbar Ding – Mein schöner Schatz – ich werde jetzt
track: Der Rosenkavalier, Op. 59, Act III: Ist ein Traum, kann nicht wirklich sein / Spür nur dich (Love Duet)

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

Der Rosenkavalier, Op. 59, Act III: Introduction and Pantomime
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Der Rosenkavalier, Op. 59, Act I: Wie du warst!
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Der Rosenkavalier, Op. 59, Act III: Hab'n euer Gnaden noch weitre Befehle?
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Der Rosenkavalier, Op. 59, Act I: Der Feldmarschall sitzt im krowatischen Wald
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by artist: Anna Tomowa-Sintow
by artist: Agnes Baltsa
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by artist: Kurt Moll
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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
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Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
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duration: PT9M29S
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by artist: Richard Strauss
by artist: Anna Tomowa-Sintow
by artist: Agnes Baltsa
by artist: Adolf Tomaschek
by artist: Johann Reinprecht
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by artist: Wolfgang Scheider
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by artist: Gerhard Panzenbock
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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: Der Rosenkavalier, Op. 59, Act I: Selbstverständlich empfängt mich Ihro Gnaden
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Der Rosenkavalier, Op. 59, Act I: I komm' glei
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by artist: Brigitte Poschner
by artist: Agnes Baltsa
by artist: Waltraud Winsauer
by artist: Margaretha Hintermeier
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by artist: Horst Nitsche
by artist: Wiener Philharmoniker
by artist: Herbert von Karajan
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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: Der Rosenkavalier, Op. 59, Act I: I komm' glei
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Der Rosenkavalier, Op. 59, Act II: Hab' nichts dawider
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duration: PT4M19S
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by artist: Richard Strauss
by artist: Janet Perry
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by artist: Wiener Philharmoniker
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Der Rosenkavalier, Op. 59, Act II: Hab' nichts dawider
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Der Rosenkavalier, Op. 59, Act II: Mit Ihren Augen voll Tränen
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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: Der Rosenkavalier, Op. 59, Act II: Mit Ihren Augen voll Tränen
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Der Rosenkavalier, Op. 59, Act I: Ach! Du bist wieder da!
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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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Der Rosenkavalier, Op. 59, Act III: Marie Theres'! ... Hab mir's gelobt, Ihn lieb zu haben (Trio)
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Der Rosenkavalier, Op. 59, Act I: Die Zeit, die ist ein sonderbar Ding – Mein schöner Schatz – ich werde jetzt
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Der Rosenkavalier, Op. 59, Act III: Ist ein Traum, kann nicht wirklich sein / Spür nur dich (Love Duet)
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Wagner: Die Meistersinger von Nürnberg, WWV 96 (Live)
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