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genre: classical piano
description: thumb|Portrait by Alfred Reisenauer (1 November 18633 October 1907) was a German pianist, composer, and music educator. Biography Reisenauer was born in Königsberg. He was a pupil of Louis Köhler a
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album: The Welte Mignon Mystery, Vol. 22
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album: The Art of Alfred Reisenauer. Piano Music from the Golden Age
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album: "125 Miniatures". Hidden Treasures of Classical Piano
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  track: Ewig, Op. 58
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  track: Deutscher Tanz in F Major Hob.IX 10
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  track: Ramillete De Flores, Op. 147: III. Tema 'Third Symphony'
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  track: Xàfec de Llum I Tenebres: I. Como Lluvia Fina
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  track: Enigma Variations, Op. 36 (Arr. 4 Hands Piano by Whitmore & Manley): Variation 10 (Dorabella) - Duo-Art 0363 Br
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album: "102 Classical Piano Essentials" : Blossom
track: Für Elise, WoO 59 - Welte-Mignon 327
track: Rondos, Op. 51: No. 1 in C Major - Welte-Mignon 330

Carnaval, Op. 9: Arlequin - Welte-Mignon 321
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Carnaval, Op. 9: Valse Allemande - Welte-Mignon 322
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Carnaval, Op. 9: Reconnaisance - Welte-Mignon 322
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Für Elise, WoO 59 - Welte-Mignon 327
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audio: Für Elise, WoO 59 - Welte-Mignon 327
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Rondos, Op. 51: No. 1 in C Major - Welte-Mignon 330
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Ramillete De Flores, Op. 147: III. Tema 'Third Symphony'
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ramillete De Flores, Op. 147: III. Tema 'Third Symphony'
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Minuet in F Major KV 1d
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Minuet in F Major KV 1d
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Etude No. 6
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  date published: 2026-07-08T03:53:27Z
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Xàfec de Llum I Tenebres: I. Como Lluvia Fina
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Xàfec de Llum I Tenebres: VII. Vayamos
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Butterfly Waltz - Duo-Art 0246 Br
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Gavotte, Op. 49, No. 3 - Duo-Art 6377
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Der Schneemann: Entr'acte Waltz (Arr. Solo Piano by Korngold) - Duo-Art 080 Br
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Waltz, Op. 39, No. 12 - Welte-Mignon 590
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Waltz, Op. 39, No. 15 A-Flat Major - Duo-Art 5642.
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Carnaval, Op. 9: Papillons; Lettres Dansantes - Welte-Mignon 321
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Annees De Pelerinage. 1st Year. No. 7 (Eglogue; Ecologue) - Duo-Art 74010
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Preludes, Book II: No. 6 General Lavine (Eccentric) - Duo-Art 0345 Br
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Enigma Variations, Op. 36 (Arr. 4 Hands Piano by Whitmore & Manley): Variation 10 (Dorabella) - Duo-Art 0363 Br
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Humoreske, Op. 20: IV. Innig
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track: Tableaux for Solo Piano, Book I: Vers Le Vent D'ouest, Op. 36
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1QW2501264

OTSTimestamp
type: PropertyValue
value: 2026-07-15T22:10:48Z

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 0x1e8d8fcc33654d6dc041e0dae31fd53d00e0ff13bdbd92a5b123317d138f15fd. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:10:48Z), 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/DE1QW2501264.
date published: 2026-07-15T22:10:48Z

Polonaise in G Minor Wn 2
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 90.612
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: 0.483
additional property: Energy
  type: PropertyValue
  value: 0.042
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.988
additional property: Instrumentalness
  type: PropertyValue
  value: 0.927
additional property: Liveness
  type: PropertyValue
  value: 0.092
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.327
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.249
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Tableaux for Solo Piano, Book I: Vers Le Vent D'ouest, Op. 36
type: MusicRecording
duration: PT7M45S
duration ms: 465996
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DEPI82307785
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T18:53:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfbe51e646822c3fa0355ef68408642f0bad8e330aa02f2b2050eb0672f3cccf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958196
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958196
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82307785
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T20:38:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbe51e646822c3fa0355ef68408642f0bad8e330aa02f2b2050eb0672f3cccf. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/DEPI82307785.
  date published: 2026-07-15T20:38:50Z
audio: Tableaux for Solo Piano, Book I: Vers Le Vent D'ouest, Op. 36
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.724
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.156
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.179
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.028
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.477
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Six Studies in English Folk Song (Arr. Flute & Piano by Katrina Penman): Vi. Allegro Vivace
type: MusicRecording
duration: PT0M51S
duration ms: 51564
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DEPI82450015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:22:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6753cf7ad8bcc9ddad403433c162307a20b35de417de53155827c7ed9f39541d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82450015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6753cf7ad8bcc9ddad403433c162307a20b35de417de53155827c7ed9f39541d. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/DEPI82450015.
  date published: 2026-07-04T10:04:33Z
audio: Six Studies in English Folk Song (Arr. Flute & Piano by Katrina Penman): Vi. Allegro Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.827
  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: 0.531
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.59
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.641
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.127
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nocturne
type: MusicRecording
duration: PT1M31S
duration ms: 91543
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DEPI82513055
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T15:09:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9992fbca79a52d0660cc52504382f4c66d228f7993c92849495e5819f488ae6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958430
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82513055
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:33:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9992fbca79a52d0660cc52504382f4c66d228f7993c92849495e5819f488ae6d. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/DEPI82513055.
  date published: 2026-07-17T15:33:28Z
audio: Nocturne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.954
  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: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.899
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.171
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.75
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

A La Campagne. Op. 40: No. 1, Waves and Billows - Welte-Mignon 1200
type: MusicRecording
duration: PT1M47S
duration ms: 107423
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DEPI82307362
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T09:17:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x803d054161f8d992ff38e52bcb0efa268644f75a33cae36b3a677a478d52f116
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958390
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958390
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82307362
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T09:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803d054161f8d992ff38e52bcb0efa268644f75a33cae36b3a677a478d52f116. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/DEPI82307362.
  date published: 2026-07-17T09:35:49Z
audio: A La Campagne. Op. 40: No. 1, Waves and Billows - Welte-Mignon 1200
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.805
  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: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.958
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.792
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lullaby
type: MusicRecording
duration: PT1M49S
duration ms: 109903
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DE1QW2500180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T16:00:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81c3b49dfcd4f3a088fc48be50b957e13a36b444d982f7a2308abedd6b652022
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1QW2500180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c3b49dfcd4f3a088fc48be50b957e13a36b444d982f7a2308abedd6b652022. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/DE1QW2500180.
  date published: 2026-07-17T19:12:23Z
audio: Lullaby
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.534
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.521
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.824
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.662
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.699
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Élégie, Op. 126 No. 7
type: MusicRecording
duration: PT1M53S
duration ms: 113719
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DEPI82598199
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T17:14:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1110716a3ec6b4b06f6c25ce53afeec1bd893f3a838e58aa7f8477b5252bdff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82598199
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:49:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1110716a3ec6b4b06f6c25ce53afeec1bd893f3a838e58aa7f8477b5252bdff. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/DEPI82598199.
  date published: 2026-07-17T19:49:21Z
audio: Élégie, Op. 126 No. 7
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.918
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.843
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Nutcracker Suite, Op. 71a (Arr. 4 Hands Piano): March
type: MusicRecording
duration: PT2M1S
duration ms: 121107
explicit: false
by artist: Alfred Reisenauer
in album: "102 Classical Piano Essentials" : Blossom
  type: MusicAlbum
  date published: 2025-08-05
genre: classical piano
isrc code: DE1QW2500186
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:48:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcca89104fddf34d3c80783f287fda097161978180207e922092d38ccc093da10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1QW2500186
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Bilder Aus Osten (4 Hands): IV. Nicht Schnell
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Gymnopédie No. 2
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The Seasons. Op. 37A: No. 11, Troika (November) - Duo-Art S-31438
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Ständchen, D.889: Hark! Hark! the Lark! (Transcription by Franz Liszt) - Welte-Mignon 1261
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Au Matin, Op. 83 - Duo-Art 56847
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Chant Polonaise No. 5, S.480, Transcription of Chopin's My Joys (Polish Songs) Op. 74, No .12 - Welte-Mignon 1035
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Carnaval, Op. 9: Part 3 (Movements 20 & 21) - Welte-Mignon 323
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Nocturne in D-Flat Major, Op. 27, No. 2 - Welte-Mignon 1194
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Deutscher Tanz in F Major Hob.IX 10
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March in G Major BWV Anh. 124 - C. Ph. E. Bach from J.S. Bach S Notebook for Anna Magdalena Bach
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Woodland Sketches. Op. 51. No .7 - From Uncle Remus - Duo-Art 5818
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Invention in C Major BWV 772
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Air De Ballet. Op. 37, No. 4 from "Callirhoe" Ballet - Duo-Art 71978
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6 Songs, Op. 48: No. 6, a Dream (Arr. For Solo Piano by Armbruster) - Duo-Art 104276
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Chanson (Melodie) - Duo-Art 66406
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Funf Charakterstucke, Op. 32: No. 3, Rustle of Spring (Fruhlingsrauschen) - Welte-Mignon 375
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Humoresken, Op. 20.: No. 5, Humoreske in G Minor - Welte-Mignon 1017
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Preludes, Op. 28: No. 4 in E Minor
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Nutcracker Suite, Op. 17a (Arr. Solo Piano by Giorni): Dance of the Reed Flutes (Danse Des Mirlitons) - Duo-Art 6132
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Inca Nocturne No. 5 - Duo-Art 6191
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Caprice. Op. 3, No. 2 in E Major (Arr. Solo Piano by Schumann) - Welte-Mignon 2591
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Cantata BWV 147 (Piano Transcription by Hans-Günter Heumann): Jesu, Joy of Man Desiring
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Ständchen, D.889: Hark! Hark! the Lark! (Transcription by Liszt) - Duo-Art 6052
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Capriccio, Op. 76, No. 2 in B Minor - Duo-Art 6596
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Serenata Napolitana - Duo-Art 65188
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Virtuoso Studies, Op. 46: No. 12, Polonaise - Welte-Mignon 2998
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Nutcracker Suite (Pt. 1) - Welte-Mignon 2995
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La Fileuse, Op. 157: No. 2 (The Spinner) Etude - Welte-Mignon 1223
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