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subject of: OpenTimestamps Proof of Existence
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    by artist: Peter-Jurgen Schmidt
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    by artist: Rundfunkchor Berlin
    by artist: Berlin Radio Symphony Orchestra
    by artist: Heinz Rögner
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      date published: 2013-03-28
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-22T20:24:25Z
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      date published: 2026-06-13T13:32:09Z
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  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Introduction - Gott! welch Dunkel hier! - In des Lebens Frühlingstagen
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Verwegener Alter
  track: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Leb wohl, du warmes Sonnenlicht
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album: Glanert: Requiem für Hieronymus Bosch (Live)
album: Venezianische Mehrchorigkeit
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album: Mozart Edition Volume 15
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Introduction - Gott! welch Dunkel hier! - In des Lebens Frühlingstagen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Introduction - Gott! welch Dunkel hier! - In des Lebens Frühlingstagen
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 1, Duet. Jetzt, Schätzchen, jetzt sind wir allein
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Melodrama. Wie kalt ist es in diesem unterirdischen Gewölbe... Duet. Nur hurtig fort, nur frisch gegraben
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
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duration: PT0M33S
duration ms: 33160
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by artist: Ludwig van Beethoven
by artist: Christof Fischesser
by artist: Jonas Kaufmann
by artist: Nina Stemme
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 5
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Dialogue. Ihr habt wieder geruht
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
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duration: PT3M41S
duration ms: 221266
explicit: false
by artist: Ludwig van Beethoven
by artist: Rachel Harnisch
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 13
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045704
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c5c1924f51f962ab03d1f0159878dad5ff04e64e3848706cfc14ba172417296. 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/GBBBA1045704.
  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 2, Aria. O wär ich schon mit dir vereint
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
type: MusicRecording
duration: PT6M31S
duration ms: 391173
explicit: false
by artist: Ludwig van Beethoven
by artist: Jonas Kaufmann
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045726
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/GBBBA1045726
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf1959f5a496784f5b6b03ee3bce991487d8dbad80dc996c588c07fbbf01bfc7. 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/GBBBA1045726.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Euch werde Lohn in bessern Welten
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
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duration: PT0M54S
duration ms: 54493
explicit: false
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by artist: Nina Stemme
by artist: Christof Fischesser
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045705
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Ich täusche die Menschen
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
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duration: PT4M31S
duration ms: 271400
explicit: false
by artist: Ludwig van Beethoven
by artist: Rachel Harnisch
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Christoph Strehl
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 15
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045706
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 3, Quartet. Mir ist so wunderbar
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
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duration ms: 302573
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by artist: Jonas Kaufmann
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by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x245d601c9867dcaabb1adcd01f98bda98cb1340f9d2a911b6a2a719f7fcaceb6. 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/GBBBA1045728.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Quartet. Er sterbe!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
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by artist: Nina Stemme
by artist: Jonas Kaufmann
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 9
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Duet. O namenlose Freude!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
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by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
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popularity: 10
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 4, Aria. Hat man nicht auch Gold beineben
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
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by artist: Christof Fischesser
by artist: Falk Struckmann
by artist: Jonas Kaufmann
by artist: Nina Stemme
by artist: Rachel Harnisch
by artist: Christoph Strehl
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
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  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act II: Finale. Heil sei dem Tag… Des besten Königs Wink und Wille... Wer ein holdes Weib errungen
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
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by artist: Lucerne Festival Orchestra
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by artist: Claudio Abbado
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popularity: 10
genre: classical
genre: classical-piano
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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: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 5, Trio. Gut Söhnchen, gut
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
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popularity: 9
genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 6, March – Dialogue. Drei Schildwachen auf den Wall
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Etwas neues vorgefallen?
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
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  date published: 2011-06-13
popularity: 9
genre: classical
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045713
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f7d80fe89d05b0c0515cb48504651fa7e11a56a384c2dedd1f19933b0d1985. 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/GBBBA1045713.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 7, Aria & Chorus. Ha! Welch ein Augenblick!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
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duration: PT5M13S
duration ms: 313533
explicit: false
by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 8
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045715
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045715
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 8, Duet. Jetzt, Alter, jetzt hat es Eile!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
type: MusicRecording
duration: PT7M22S
duration ms: 442760
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 10
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045716
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045716
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc796c0a32527ab03ac7fa50e602545125e19c1b4af93cae8892d5ed4457bcba6. 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/GBBBA1045716.
  date published: 2026-07-02T03:30:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 9, Recit. Abscheulicher! – Aria. Komm, Hoffnung, lass den letzten Stern
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
type: MusicRecording
duration: PT6M56S
duration ms: 416173
explicit: false
by artist: Ludwig van Beethoven
by artist: Juan Sebastian Acosta
by artist: Levente Pall
by artist: Arnold Schoenberg Chor
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 20
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045718
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-06-09T16:47:06+00:00
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/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045718
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950e74b7e29cf45401fb400b5a4d102b43caff3e1aad1ad6fbaf712b3375d87e. 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/GBBBA1045718.
  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: No. 10, O welche Lust, in freier Luft "Prisoners' Chorus"
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  additional property: Danceability
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
type: MusicRecording
duration: PT5M19S
duration ms: 319906
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 7
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045719
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/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1045719
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d4856044dbac635b29f3a1c6555fc5783806ecf5dc0970be06c546b88fcf764. 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/GBBBA1045719.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Nun sprecht, wie ging's?
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
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duration: PT0M41S
duration ms: 41626
explicit: false
by artist: Ludwig van Beethoven
by artist: Nina Stemme
by artist: Rachel Harnisch
by artist: Christoph Strehl
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 6
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045720
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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  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fe94c1519ca2e56044f8ad79e519c5479a538b0d35900fef3bc793d29e9910e. 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/GBBBA1045720.
  date published: 2026-07-02T03:55:08Z
audio: Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Recit. Ach! Vater, Vater, eilt!
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Fidelio, Op. 72 (Ed. Lühning & Didion), Act I: Dialogue. Verwegener Alter
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duration: PT1M49S
duration ms: 109626
explicit: false
by artist: Ludwig van Beethoven
by artist: Falk Struckmann
by artist: Christof Fischesser
by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
in album: Beethoven: Fidelio
  type: MusicAlbum
  date published: 2011-06-13
popularity: 6
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: GBBBA1045721
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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by artist: Lucerne Festival Orchestra
by artist: Mahler Chamber Orchestra
by artist: Claudio Abbado
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Abbado A-Z: Beethoven
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Mendelssohn: Complete Psalm Cantatas
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Choral Classics: Mendelssohn (Sacred Choral Works)
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Bruckner: Mass No. 1 in D Minor
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Mass In D Minor
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Masses
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Glanert: Requiem für Hieronymus Bosch (Live)
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Venezianische Mehrchorigkeit
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Mozart: Liturgical Works
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: The Seven Last Words of Christ on the Cross, Hob. XX:2 (Oratorio Version): Il Terremoto (Das Erdbeben)

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date published: 2026-07-22T20:41:04Z

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subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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  by artist: Wolfgang Amadeus Mozart
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
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  audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Gloria
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Sanctus
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Benedictus

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Wolfgang Amadeus Mozart
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Mozart Edition Volume 15
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Missa Brevis In C Major Kv 259, Orgelsolo Messe: Benedictus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Haydn: Die sieben letzten Worte unseres Erlösers am Kreuze, Hob. XX:2
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Mozart: The Great Masses
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Mozart: Serenade No. 10, "Gran partita", Requiem (Fragment), Ave verum corpus [Live]
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Choral Works
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Mendelssohn, The Master Works Part: 26
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Choral Works (Complete) Part: 1
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Great Mass
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