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type: MusicGroup
popularity: 33
followers: 38
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x465ea30b7909612349a2c6c4a0a55098c4a9b78e9e3452720b2e91e54ae0efab
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fcf36bd-7b43-49b9-b0e1-ca2b2a7bcc31.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fcf36bd-7b43-49b9-b0e1-ca2b2a7bcc31.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9fcf36bd-7b43-49b9-b0e1-ca2b2a7bcc31
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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 0x465ea30b7909612349a2c6c4a0a55098c4a9b78e9e3452720b2e91e54ae0efab. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9fcf36bd-7b43-49b9-b0e1-ca2b2a7bcc31.json and https://artists.proofprofile.net/proofs/artist/9fcf36bd-7b43-49b9-b0e1-ca2b2a7bcc31.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
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track: Kanarienvögel
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83893
  explicit: false
  by artist: Robert Schumann
  by artist: Will Quadflieg
  by artist: Wilhelm Kempff
  by artist: Klaus-Peter Kaehler
  by artist: Helga Bahrens
  by artist: Volker Bogdan
  by artist: Christian Stark
  by artist: René Genesis
  by artist: Hans Sievers
  by artist: Harald Pages
  by artist: Heidi Schaffrath
  by artist: Joachim Richert
  by artist: Renate Pichler
  by artist: Ursula Vogel
  by artist: Matthias Grimm
  in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
    type: MusicAlbum
    date published: 2018-10-12
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: DEF058331270
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd7266e87b56ba0e714dfaaf75b2bdd3bda009548c82fd68e9dbc9de5dd46f712
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  additional property: OTSBitcoinBlock
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    value: 960383
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960383
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331270
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T09:50:37Z
  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 0xd7266e87b56ba0e714dfaaf75b2bdd3bda009548c82fd68e9dbc9de5dd46f712. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331270 — a six-check JSON result.
    date published: 2026-07-31T09:50:37Z
  audio: Kanarienvögel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.671
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.182
    additional property: Key Name
      type: PropertyValue
      value: B
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track: Neue Zeitschrift für Musik
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144906
  explicit: false
  by artist: Robert Schumann
  by artist: Will Quadflieg
  by artist: Wilhelm Kempff
  by artist: Klaus-Peter Kaehler
  by artist: Helga Bahrens
  by artist: Volker Bogdan
  by artist: Christian Stark
  by artist: René Genesis
  by artist: Hans Sievers
  by artist: Harald Pages
  by artist: Heidi Schaffrath
  by artist: Joachim Richert
  by artist: Renate Pichler
  by artist: Ursula Vogel
  by artist: Matthias Grimm
  in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
    type: MusicAlbum
    date published: 2018-10-12
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: DEF058331271
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T09:04:31+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6f0f3b8aae5260a83c368b124782b52dbb8e10f8a01ee73935fe04cbb86e62aa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 960379
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960379
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331271
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T09:25:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x6f0f3b8aae5260a83c368b124782b52dbb8e10f8a01ee73935fe04cbb86e62aa. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331271 — a six-check JSON result.
    date published: 2026-07-31T09:25:34Z
  audio: Neue Zeitschrift für Musik
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
    additional property: Mode (Major/Minor)
    additional property: Time Signature
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
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track: Florestan und Eusebius
track: Die Romantik
track: Das Scherzo
track: Der junge Dichter
track: Zwischen Büchern und Klavier
track: Der gestrenge Lehrer
track: Geschichtenerzählen mit Clara
track: Der Virtuose
track: Schmetterlinge
track: Träumerei & Liebe mit Hindernissen
track: Kampf um die Liebe
track: Das Kunstlied
track: Der einsame Komponist
track: Das Klavierkonzert
track: Berühmte Besucher
track: Ein großer Bruder
track: Kein schönes Ende

Musical Key
type: PropertyValue
value: 8

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.69

Energy
type: PropertyValue
value: 0.157

Speechiness
type: PropertyValue
value: 0.804

Acousticness
type: PropertyValue
value: 0.897

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.139

Valence (Positivity)
type: PropertyValue
value: 0.391

Loudness (dB)
type: PropertyValue
value: -26.494

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Florestan und Eusebius
type: MusicRecording
duration: PT1M58S
duration ms: 118746
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Wilhelm Kempff
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331272
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:02:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc924ed58af505786ce218b051bc78d31ca663effd3fb0d61a6a0e39f3ed84697
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331272
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 0xc924ed58af505786ce218b051bc78d31ca663effd3fb0d61a6a0e39f3ed84697. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331272 — a six-check JSON result.
  date published: 2026-07-08T03:39:04Z
audio: Florestan und Eusebius
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.219
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.648
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.254
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.688
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Romantik
type: MusicRecording
duration: PT1M39S
duration ms: 99440
explicit: false
by artist: Franz Schubert
by artist: Will Quadflieg
by artist: Dietrich Fischer-Dieskau
by artist: Gerald Moore
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331273
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:15:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d7bfde3233756f6ab50bddc8394d8e2d4be998e0dda60911cef3c75bddab2a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960463
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:42:35Z
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 0x2d7bfde3233756f6ab50bddc8394d8e2d4be998e0dda60911cef3c75bddab2a4. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331273 — a six-check JSON result.
  date published: 2026-07-31T20:42:35Z
audio: Die Romantik
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.638
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.12
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Das Scherzo
type: MusicRecording
duration: PT0M55S
duration ms: 55773
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Wilhelm Kempff
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331274
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:45:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d88e3f5127a1170bca78cd25439eb62778469cd39d91ce89309271a9b3ce742
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/DEF058331274
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x4d88e3f5127a1170bca78cd25439eb62778469cd39d91ce89309271a9b3ce742. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331274 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Scherzo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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    type: PropertyValue
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Der junge Dichter
type: MusicRecording
duration: PT2M43S
duration ms: 163706
explicit: false
by artist: Ludwig van Beethoven
by artist: Will Quadflieg
by artist: Wilhelm Kempff
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331275
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:59:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c6e6e8a35c1376a1a9f3a2a1172a5ebc99f9b22c3d06dabd4d22d0cc9e66bde
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331275
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x0c6e6e8a35c1376a1a9f3a2a1172a5ebc99f9b22c3d06dabd4d22d0cc9e66bde. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331275 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Der junge Dichter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.82
  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: 0.706
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.901
  additional property: Acousticness
    type: PropertyValue
    value: 0.804
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.235
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.425
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Zwischen Büchern und Klavier
type: MusicRecording
duration: PT1M28S
duration ms: 88373
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Homero Francesch
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331276
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:23:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a9053f5d9973adf1d481ef3f64a7c542d81d972e4a7f3b01d9a2295700ec295
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331276
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0x8a9053f5d9973adf1d481ef3f64a7c542d81d972e4a7f3b01d9a2295700ec295. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331276 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Zwischen Büchern und Klavier
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.451
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.888
  additional property: Acousticness
    type: PropertyValue
    value: 0.856
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.226
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.726
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der gestrenge Lehrer
type: MusicRecording
duration: PT1M56S
duration ms: 116986
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Homero Francesch
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331277
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:58:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfcfeba528302ec89e11ca07870a15806e5b7fa0ca627a37f61a141f2953e0569
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331277
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xfcfeba528302ec89e11ca07870a15806e5b7fa0ca627a37f61a141f2953e0569. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331277 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Der gestrenge Lehrer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.287
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.622
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.564
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.333
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.296
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.158
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Geschichtenerzählen mit Clara
type: MusicRecording
duration: PT2M30S
duration ms: 150213
explicit: false
by artist: Clara Schumann
by artist: Will Quadflieg
by artist: Conrad Hansen
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEF058331278
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:20:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51e74f7ba4d20673640fd28489b2b983eb5bbfc2b5c9468a3f74f671eec9478b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331278
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x51e74f7ba4d20673640fd28489b2b983eb5bbfc2b5c9468a3f74f671eec9478b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331278 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Geschichtenerzählen mit Clara
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.346
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.693
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.952
  additional property: Acousticness
    type: PropertyValue
    value: 0.569
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.344
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.679
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der Virtuose
type: MusicRecording
duration: PT1M50S
duration ms: 110946
explicit: false
by artist: Franz Liszt
by artist: Will Quadflieg
by artist: Roberto Szidon
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: late-romantic-era
isrc code: DEF058331279
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:10:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5af0fc411aba4d57323739bfc71177e6c07235cb93fb8bfc6869f36346b6c69
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331279
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 0xe5af0fc411aba4d57323739bfc71177e6c07235cb93fb8bfc6869f36346b6c69. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331279 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Der Virtuose
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.609
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.587
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.925
  additional property: Acousticness
    type: PropertyValue
    value: 0.831
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.298
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.682
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.773
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Schmetterlinge
type: MusicRecording
duration: PT1M40S
duration ms: 100080
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Wilhelm Kempff
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T21:22:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65892c8b4decb45123aafbc1934a18978b2b92ec710dfe384f456b8a66e3b89f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331280
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
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 0x65892c8b4decb45123aafbc1934a18978b2b92ec710dfe384f456b8a66e3b89f. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331280 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Schmetterlinge
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.368
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.578
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.888
  additional property: Acousticness
    type: PropertyValue
    value: 0.872
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.306
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.866
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Träumerei & Liebe mit Hindernissen
type: MusicRecording
duration: PT2M29S
duration ms: 149213
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Homero Francesch
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331281
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:16:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcca51b257b18a1eabca38c95aa03300a24e8061ae775803a4cf687b24fc365c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331281
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29Z
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 0xcca51b257b18a1eabca38c95aa03300a24e8061ae775803a4cf687b24fc365c2. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331281 — a six-check JSON result.
  date published: 2026-07-31T15:27:29Z
audio: Träumerei & Liebe mit Hindernissen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.961
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.621
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.653
  additional property: Acousticness
    type: PropertyValue
    value: 0.847
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.345
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.908
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kampf um die Liebe
type: MusicRecording
duration: PT3M4S
duration ms: 184400
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Fritz Wunderlich
by artist: Hubert Giesen
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:19:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfe8618f20810acf2d419a9bc7f93708ce210f6215e39086fdd8edaf9f698a64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331282
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xdfe8618f20810acf2d419a9bc7f93708ce210f6215e39086fdd8edaf9f698a64. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331282 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Kampf um die Liebe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.147
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.59
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.815
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.351
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.205
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Das Kunstlied
type: MusicRecording
duration: PT3M40S
duration ms: 220733
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Dietrich Fischer-Dieskau
by artist: Fritz Wunderlich
by artist: Christoph Eschenbach
by artist: Hubert Giesen
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331283
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:45:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e9229a4d2019a08105055f1a3618bf3ef5823e08f61622b4ef806a906624384
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331283
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x8e9229a4d2019a08105055f1a3618bf3ef5823e08f61622b4ef806a906624384. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331283 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Das Kunstlied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.797
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.496
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.49
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.376
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.304
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Der einsame Komponist
type: MusicRecording
duration: PT3M41S
duration ms: 221666
explicit: false
by artist: Felix Mendelssohn
by artist: Will Quadflieg
by artist: Nathan Milstein
by artist: Claudio Abbado
by artist: Wiener Philharmoniker
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: DEF058331285
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:49:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71da417906fd405c278117aaf983c19d22d3973e158b413ce361227a47fbcd40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331285
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x71da417906fd405c278117aaf983c19d22d3973e158b413ce361227a47fbcd40. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331285 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Der einsame Komponist
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.626
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.568
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.636
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.34
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Das Klavierkonzert
type: MusicRecording
duration: PT4M11S
duration ms: 251013
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Martha Argerich
by artist: National Symphony Orchestra Washington
by artist: Mstislav Rostropovich
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331286
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:03:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea60b5a30546ae69d3ac6ed0379f08bc127f6c9a559be5a5f2a8c275659e1528
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331286
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xea60b5a30546ae69d3ac6ed0379f08bc127f6c9a559be5a5f2a8c275659e1528. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331286 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Das Klavierkonzert
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.805
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.357
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.248
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.905
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Berühmte Besucher
type: MusicRecording
duration: PT3M31S
duration ms: 211893
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Christoph Eschenbach
by artist: Drolc-Quartett
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:17:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c727447725a44a2bc166dc850ef4911be110138f50fa584bf2ee2e105e9f5b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331287
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29Z
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 0x5c727447725a44a2bc166dc850ef4911be110138f50fa584bf2ee2e105e9f5b2. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331287 — a six-check JSON result.
  date published: 2026-07-31T15:27:29Z
audio: Berühmte Besucher
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.316
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.646
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.871
  additional property: Acousticness
    type: PropertyValue
    value: 0.886
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.373
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.265
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ein großer Bruder
type: MusicRecording
duration: PT3M18S
duration ms: 198026
explicit: false
by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Homero Francesch
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
  type: MusicAlbum
  date published: 2018-10-12
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331288
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:28:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a27ccb15a54b9afe6be0af63fc142ecf8f9d0423dff298090bd396b985d6627
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: OTSVerificationAPI
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audio: Ein großer Bruder
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Kein schönes Ende
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by artist: Robert Schumann
by artist: Will Quadflieg
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Klaus-Peter Kaehler
by artist: Helga Bahrens
by artist: Volker Bogdan
by artist: Christian Stark
by artist: René Genesis
by artist: Hans Sievers
by artist: Harald Pages
by artist: Heidi Schaffrath
by artist: Joachim Richert
by artist: Renate Pichler
by artist: Ursula Vogel
by artist: Matthias Grimm
in album: Wir Entdecken Komponisten: Robert Schumann – Träumerei am Klavier
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genre: classical
genre: classical-piano
genre: chamber-music
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audio: Kein schönes Ende
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