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Piano Concerto No. 13 in C Major, K. 415: II. Andante - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: I. Allegro - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: II. Andante - Live
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Piano Concerto No. 15 in B-Flat Major, K. 450: III. Finale. Allegro - Live
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Piano Concerto No. 13 in C Major, K. 415: I. Allegro - Live
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Piano Concerto No. 13 in C Major, K. 415: III. Rondeau. Allegro - Live
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Piano Concerto No. 25 in C, K.503: III. Allegretto - Live
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Piano Concerto No. 20 in D Minor, K. 466 - Cadenzas: Ludwig van Beethoven: I. Allegro - Live
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Piano Concerto No. 20 in D minor, K.466: II. Romance - Live
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Piano Concerto No. 20 in D minor, K.466: III. Rondo (Allegro assai) - Live
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Piano Concerto No. 25 in C, K.503: I. Allegro Maestoso - Live
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by artist: NDR Elbphilharmonie Orchester
by artist: Cord Garben
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genre: classical
genre: classical-era
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  date published: 2026-07-31T12:24:41Z
audio: Piano Concerto No. 25 in C, K.503: I. Allegro Maestoso - Live
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Piano Concerto No. 25 in C, K.503: II. Andante - Live
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duration: PT7M23S
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by artist: Wolfgang Amadeus Mozart
by artist: Arturo Benedetti Michelangeli
by artist: NDR Elbphilharmonie Orchester
by artist: Cord Garben
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genre: classical
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  date published: 2026-07-31T13:04:34Z
audio: Piano Concerto No. 25 in C, K.503: II. Andante - Live
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Rückert Lieder: Ich bin der Welt abhanden gekommen
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duration: PT7M42S
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by artist: Gustav Mahler
by artist: Andreas Schmidt
by artist: Cord Garben
in album: Brahms: 4 Ernste Gesänge, Op. 121 / Wolf: Michelangelo Lieder / Mahler: Rückert Lieder
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genre: classical
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additional property: OTSVerifyInstructions
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audio: Rückert Lieder: Ich bin der Welt abhanden gekommen
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Rückert Lieder: Blicke mir nicht in die Lieder
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duration: PT1M26S
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by artist: Gustav Mahler
by artist: Andreas Schmidt
by artist: Cord Garben
in album: Brahms: 4 Ernste Gesänge, Op. 121 / Wolf: Michelangelo Lieder / Mahler: Rückert Lieder
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popularity: 0
genre: classical
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  date published: 2026-07-31T00:26:26Z
audio: Rückert Lieder: Blicke mir nicht in die Lieder
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Rückert Lieder: Ich atmet' einen linden Duft
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by artist: Andreas Schmidt
by artist: Cord Garben
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popularity: 0
genre: classical
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  date published: 2026-07-31T22:27:44Z
audio: Rückert Lieder: Ich atmet' einen linden Duft
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Rückert Lieder: Um Mitternacht
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duration: PT7M38S
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by artist: Gustav Mahler
by artist: Andreas Schmidt
by artist: Cord Garben
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popularity: 0
genre: classical
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  date published: 2026-07-31T13:04:34Z
audio: Rückert Lieder: Um Mitternacht
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Rückert Lieder: Liebst du um Schönheit
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duration: PT2M27S
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by artist: Andreas Schmidt
by artist: Cord Garben
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popularity: 0
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
audio: Rückert Lieder: Liebst du um Schönheit
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isrc code: DEF058904355
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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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: 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

6 Songs Op. 13: 3. Lied der Jungfrau
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duration: PT1M45S
duration ms: 105760
explicit: false
by artist: Alexander von Zemlinsky
by artist: Anne Sofie von Otter
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 0
genre: dark-cabaret
isrc code: DEF058802723
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802723
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad98d36c806b4614aa2a5bb01cf35aaa9406de0a18e0f9b24617f37429f1c1ed. 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/DEF058802723.
  date published: 2026-07-08T03:53:27Z
audio: 6 Songs Op. 13: 3. Lied der Jungfrau
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6 Songs Op. 13: 4. Als ihr Geliebter schied
type: MusicRecording
duration: PT1M57S
duration ms: 117520
explicit: false
by artist: Alexander von Zemlinsky
by artist: Anne Sofie von Otter
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 0
genre: dark-cabaret
isrc code: DEF058802725
additional property: CopyrightID
additional property: CopyrightStatus
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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/DEF058802725
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28b8c0d82447b0a2383c4d78f3900799a1fdf83a5a140dfd9cef2c4f4c58c0c. 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/DEF058802725.
  date published: 2026-07-08T03:53:27Z
audio: 6 Songs Op. 13: 4. Als ihr Geliebter schied
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Lieder op.2 / Book 1: 6. Um Mitternacht
type: MusicRecording
duration: PT3M38S
duration ms: 218453
explicit: false
by artist: Alexander von Zemlinsky
by artist: Barbara Bonney
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 1
genre: dark-cabaret
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64eac203ff37cd5fb90c6632832cf2b462a84d0de76e3dc07ebbb3dfea76abe. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DEF058830704.
  date published: 2026-07-31T10:20:10Z
audio: Lieder op.2 / Book 1: 6. Um Mitternacht
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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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    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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isrc code: DEF058830704
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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  value: 2026-07-31T10:20:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

6 Songs Op. 13: 1. Die drei Schwestern
type: MusicRecording
duration: PT3M11S
duration ms: 191000
explicit: false
by artist: Alexander von Zemlinsky
by artist: Anne Sofie von Otter
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 1
genre: dark-cabaret
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a09d71e70f3d34305937b1896a2fdfc9c7ef00f0ff5723f4b76d58d520232d9. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEF058802721.
  date published: 2026-07-31T18:48:12Z
audio: 6 Songs Op. 13: 1. Die drei Schwestern
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 112.431
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.256
  additional property: Energy
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    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.615
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
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    value: Major
isrc code: DEF058802721
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802721
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Lieder op.2 / Book 2: 6. Empfängnis
type: MusicRecording
duration: PT2M42S
duration ms: 162293
explicit: false
by artist: Alexander von Zemlinsky
by artist: Barbara Bonney
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 1
genre: dark-cabaret
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada5330ef1d6aaf4676bc085d9cf0809e6445d76581b40340ecf419dcfe71eac. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEF058830711.
  date published: 2026-07-31T12:24:41Z
audio: Lieder op.2 / Book 2: 6. Empfängnis
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.132
  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: DEF058830711
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
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  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058830711
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

6 Songs Op. 13: 6. Sie kam zum Schloss gegangen
type: MusicRecording
duration: PT4M1S
duration ms: 241560
explicit: false
by artist: Alexander von Zemlinsky
by artist: Anne Sofie von Otter
by artist: Cord Garben
in album: Zemlinsky: Lieder
  type: MusicAlbum
  date published: 1989-01-01
popularity: 0
genre: dark-cabaret
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d2d11dee7c73c47e0608007cfbc8f73f8f1a12fa04a16990f0ec5f265c5c9a5. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/DEF058802726.
  date published: 2026-07-31T19:53:13Z
audio: 6 Songs Op. 13: 6. Sie kam zum Schloss gegangen
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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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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  additional property: Key Name
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isrc code: DEF058802726
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Walzer Gesänge nach toskanischen Volksliedern v.Ferd.Gregorovius op. 6 (Waltz-songs on Tuscan Folk Lyrics by F.Gregorovius,op.6): 1. Liebe Schwalbe
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by artist: Barbara Bonney
by artist: Cord Garben
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popularity: 0
genre: dark-cabaret
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:07:24Z
audio: Walzer Gesänge nach toskanischen Volksliedern v.Ferd.Gregorovius op. 6 (Waltz-songs on Tuscan Folk Lyrics by F.Gregorovius,op.6): 1. Liebe Schwalbe
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additional property: OTSVerifyInstructions
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Lenz Wanderer, Mörder, Triumphator: No. 2, Lenz Mörder
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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  date published: 2026-07-08T03:22:41Z
audio: Lenz Wanderer, Mörder, Triumphator: No. 2, Lenz Mörder
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Six Songs Without Words, Op. 30, MWV U 103 (Arr. for Chamber Music by Cord Garben): I. Andante espressivo "Contemplation"
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by artist: Cord Garben
by artist: Fumiko Shiraga
by artist: Nathan Quartett
by artist: Bernd Konzett
in album: Mendelssohn: Piano Concertos Op. 25 & Op. 40 - Six Songs Without Words: Chamber Arrangements
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Six Songs Without Words, Op. 30, MWV U 103 (Arr. for Chamber Music by Cord Garben): I. Andante espressivo "Contemplation"
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Six Songs Without Words, Op. 38, MWV U 115 (Arr. for Chamber Music by Cord Garben): II. Allegro non troppo, Bonheur perdu
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Six Songs Without Words, Op. 38, MWV U 115 (Arr. for Chamber Music by Cord Garben): II. Allegro non troppo, Bonheur perdu
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Six Songs Without Words, Op. 38, MWV U 119 (Arr. for Chamber Music by Cord Garben): VI. Duetto
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Six Songs Without Words, Op. 38, MWV U 119 (Arr. for Chamber Music by Cord Garben): VI. Duetto
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Six Songs Without Words, Op. 19, MWV K 56 (Arr. for Chamber Music by Cord Garben): N° 1 Frühlingslied: In dem Walde, süsse Tone
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genre: classical
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  date published: 2026-07-29T23:42:34Z
audio: Six Songs Without Words, Op. 19, MWV K 56 (Arr. for Chamber Music by Cord Garben): N° 1 Frühlingslied: In dem Walde, süsse Tone
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Six Songs Without Words, Op. 62, MWV U 185 (Arr. for Chamber Music by Cord Garben): I. Andante espressivo, Brise de mai
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  date published: 2026-07-31T05:17:02Z
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additional property: OTSVerifyInstructions
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Six Songs Without Words, Op. 67, MWV U 102 (Arr. for Chamber Music by Cord Garben): III. Andante tranquillo, Chant du pèlerin
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genre: classical
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  date published: 2026-07-30T22:27:30Z
audio: Six Songs Without Words, Op. 67, MWV U 102 (Arr. for Chamber Music by Cord Garben): III. Andante tranquillo, Chant du pèlerin
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additional property: OTSVerifyInstructions
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Don Giovanni, K. 527: Overture
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by artist: Wolfgang Amadeus Mozart
by artist: Royal Stockholm Philharmonic Orchestra
by artist: Cord Garben
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T12:47:07Z
audio: Don Giovanni, K. 527: Overture
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Don Giovanni, K. 527: In quali eccessi, o Numi - Mi tradì, quell'alma ingrata
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by artist: Royal Stockholm Philharmonic Orchestra
by artist: Cord Garben
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T12:47:07Z
audio: Don Giovanni, K. 527: In quali eccessi, o Numi - Mi tradì, quell'alma ingrata
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Don Giovanni, K. 527: Crudele? Ah, no, mio bene! - Non mi dir, bell'idol mio
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by artist: NDR Radiophilharmonie
by artist: Cord Garben
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genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T12:47:07Z
audio: Don Giovanni, K. 527: Crudele? Ah, no, mio bene! - Non mi dir, bell'idol mio
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Attila: Overture
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by artist: Royal Stockholm Philharmonic Orchestra
by artist: Cord Garben
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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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  date published: 2026-06-13T12:47:07Z
audio: Attila: Overture
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Attila: Liberamente or piangi
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb54bcc4adff6ea8804c6890208a4e2c56260ca54f6b6fa7144cab53cb371909. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408050.
  date published: 2026-06-13T12:47:07Z
audio: Attila: Liberamente or piangi
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 76.425
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.29
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.926
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Attila: Oh! Nel fuggente nuvolo
type: MusicRecording
duration: PT5M27S
duration ms: 327893
explicit: false
by artist: Giuseppe Verdi
by artist: Lena Nordin
by artist: Royal Stockholm Philharmonic Orchestra
by artist: Cord Garben
in album: Arias & Overtures
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: opera
isrc code: SEBAC9408060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T23:12:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d31079d934cdec94dafe468ac65074111ac85ec8eac5de9c5497e726263033d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9408060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d31079d934cdec94dafe468ac65074111ac85ec8eac5de9c5497e726263033d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408060.
  date published: 2026-06-13T12:47:07Z
audio: Attila: Oh! Nel fuggente nuvolo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.041
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.252
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.04
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.098
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Traviata: Overture
type: MusicRecording
duration: PT3M48S
duration ms: 228933
explicit: false
by artist: Giuseppe Verdi
by artist: NDR Radiophilharmonie
by artist: Cord Garben
in album: Arias & Overtures
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: opera
isrc code: SEBAC9408070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:13:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a206d4abf00b1a2852017967586a8117523b9acd1c76f06dfecd2a14ab717b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9408070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a206d4abf00b1a2852017967586a8117523b9acd1c76f06dfecd2a14ab717b4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408070.
  date published: 2026-06-13T12:47:07Z
audio: La Traviata: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.988
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.144
  additional property: Liveness
    type: PropertyValue
    value: 0.364
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.431
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Traviata: È strano! È strano!
type: MusicRecording
duration: PT8M20S
duration ms: 500173
explicit: false
by artist: Giuseppe Verdi
by artist: Lena Nordin
by artist: Royal Stockholm Philharmonic Orchestra
by artist: Cord Garben
in album: Arias & Overtures
  type: MusicAlbum
  date published: 2000-01-01
genre: classical
genre: opera
isrc code: SEBAC9408080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T17:42:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4fbdc20874d7016b863d573f95661109a7c25e7f75a633bab08e60cc2abecd82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9408080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbdc20874d7016b863d573f95661109a7c25e7f75a633bab08e60cc2abecd82. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408080.
  date published: 2026-06-13T12:47:07Z
audio: La Traviata: È strano! È strano!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.485
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.388
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.84
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Faust: Overture
type: MusicRecording
duration: PT6M15S
duration ms: 375666
explicit: false
by artist: Charles Gounod
by artist: NDR Radiophilharmonie
by artist: Cord Garben
in album: Arias & Overtures
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9408090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:13:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d4412247fa1e4ac405fb771e1ab126f360cfeeebf96d860689edf34dfb3312c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9408090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d4412247fa1e4ac405fb771e1ab126f360cfeeebf96d860689edf34dfb3312c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408090.
  date published: 2026-06-13T12:47:07Z
audio: Faust: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.321
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.077
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.795
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.156
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Faust: Ah! Je ris de me voir si belle
type: MusicRecording
duration: PT11M46S
duration ms: 706493
explicit: false
by artist: Charles Gounod
by artist: Lena Nordin
by artist: NDR Radiophilharmonie
by artist: Cord Garben
in album: Arias & Overtures
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9408100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T20:13:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5de9ff81a96fb0e29a84ea01a89fa266fda97ae81a9821296117a18211f589e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9408100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de9ff81a96fb0e29a84ea01a89fa266fda97ae81a9821296117a18211f589e2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEBAC9408100.
  date published: 2026-06-13T12:47:07Z
audio: Faust: Ah! Je ris de me voir si belle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.019
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.286
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.056
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.759
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xfe8af6f34a37f7186091106ae2c6894f16d2a914a3c2ecd059a3a7101d2cd12f

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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/GBAYC1801482

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 0xfe8af6f34a37f7186091106ae2c6894f16d2a914a3c2ecd059a3a7101d2cd12f. 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/GBAYC1801482.
date published: 2026-07-08T03:20:19Z

Berlioz: Overture "Waverley", Op. 1, H. 26
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 136.854
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: 0.315
additional property: Energy
  type: PropertyValue
  value: 0.123
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.963
additional property: Instrumentalness
  type: PropertyValue
  value: 0.887
additional property: Liveness
  type: PropertyValue
  value: 0.309
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.119
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.891
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Hausegger: Lieder
type: MusicAlbum
date published: 2018-10-05
track: Lenz Wanderer, Mörder, Triumphator: No. 2, Lenz Mörder

Loewe: Lieder and Balladen, Vol. 16
type: MusicAlbum
date published: 2000-01-01

C. Loewe: Lieder & Balladen, Vol. 20
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date published: 2006-03-21

Wagner: Tristan und Isolde, WWV 90 (Arr. H. Behn for 2 Pianos)
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Rimsky-Korsakov: Romances
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Schubert: Winterreise, Op. 89, D. 911
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Schubert: Lieder für Bass
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Wagner: Parsifal
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Pejačević: Lieder
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Dietrich Fischer-Dieskau sings Beethoven, Mahler and Schumann Duos with Julia Varady
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Mendelssohn: Piano Concertos Op. 25 & Op. 40 - Six Songs Without Words: Chamber Arrangements
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C. Loewe: Lieder & Balladen, Vol. 21
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Mendelssohn: Lieder Ohne Worte (Songs Without Words)
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Brahms: Tragic Overture, Op. 81 / Piano Concerto in D Minor, Op. 15, Arranged for Piano 4 Hands
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C. Loewe: Lieder & Balladen Vol. 19
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Bach: Flute & Orchestral Works
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Pettersson: Complete Songs
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Mahler-Werfel: Complete Songs - Zemlinsky: Songs, Op. 7
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Loewe: Piano Sonatas
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Loewe: Lieder & Balladen, Vol. 13
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Loewe: Lieder & Balladen, Vol. 10
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Loewe: Lieder & Balladen (Complete Edition), Vol. 18
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Hindemith: Orchestral Songs & Lieder
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Arias & Overtures
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C. Loewe: Lieder & Balladen, Vol. 11
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Mahler: Lieder Eines Fahrenden Gesellen / Kindertotenlieder / Ruckert-Lieder
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Vindobona Collection Vol.3
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Mahler: His Life In Music
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Art & Music: Van Gogh - Music of His Time
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audio: Piano Concerto No. 1 in E Flat Major, S. 124: III. Allegro marziale animato
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Piano Concerto No. 2 in A Major, S. 125: I. Adagio sostenuto assai - Allegro agitato assai
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by artist: Krystian Zimerman
by artist: Boston Symphony Orchestra
by artist: Seiji Ozawa
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genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Piano Concerto No. 2 in A Major, S. 125: I. Adagio sostenuto assai - Allegro agitato assai
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Piano Concerto No. 2 in A Major, S. 125: II. Allegro moderato - Allegro deciso
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by artist: Krystian Zimerman
by artist: Boston Symphony Orchestra
by artist: Seiji Ozawa
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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: Piano Concerto No. 2 in A Major, S. 125: II. Allegro moderato - Allegro deciso
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Hungarian Rhapsody No. 5 in E Minor, S. 244 Heroïde-Elégiaque
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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: 2026-07-08T03:53:27Z
audio: Hungarian Rhapsody No. 5 in E Minor, S. 244 Heroïde-Elégiaque
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Hungarian Rhapsody No. 6 in D Flat, S. 244
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by artist: Roberto Szidon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Hungarian Rhapsody No. 6 in D Flat, S. 244
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Hungarian Rhapsody No. 7 in D Minor, S. 244
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genre: classical
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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: 2026-07-08T03:53:27Z
audio: Hungarian Rhapsody No. 7 in D Minor, S. 244
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Totentanz, S. 525
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by artist: Boston Symphony Orchestra
by artist: Seiji Ozawa
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genre: classical
genre: late-romantic-era
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additional property: CopyrightID
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Totentanz, S. 525
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Hungarian Rhapsody No. 8 in F Sharp Minor, S. 244
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by artist: Roberto Szidon
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genre: classical
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Hungarian Rhapsody No. 10 in E, S. 244 "Preludio"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Hungarian Rhapsody No. 10 in E, S. 244 "Preludio"
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Paris 1900: The Old and the New: Debussy, Ravel, Saint-Saëns, Satie
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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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track: Sonatine, M. 40: I. Modéré
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Sonatine, M. 40: III. Animé
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  subject of: OpenTimestamps Proof of Existence
  audio: Sonatine, M. 40: III. Animé
track: Embarquement pour Cythère
track: J'ai deux amants

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

Sonatine, M. 40: III. Animé
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Embarquement pour Cythère
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Embarquement pour Cythère
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J'ai deux amants
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subject of: OpenTimestamps Proof of Existence
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Echoes: Bach's Breath & Chopin
type: MusicAlbum
date published: 2023-08-23

Brahms: Tragic Overture, Op. 81 / Piano Concerto in D Minor, Op. 15, Arranged for Piano 4 Hands
type: MusicAlbum
date published: 2007-01-01

Mahler: Lieder Eines Fahrenden Gesellen / Kindertotenlieder / Ruckert-Lieder
type: MusicAlbum
date published: 1999-05-27

Portrait, Vol. 3
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date published: 1993

Portrait, Vol. 1
type: MusicAlbum
date published: 1992

Songs and Mélodies at the Turn of the Century Vol. 4
type: MusicAlbum
date published: 1991

Poesie, Vol. 3
type: MusicAlbum
date published: 1991