Robert Fuchs
type: MusicGroup
genre: chamber music
popularity: 17
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album: Music for Strings by: Elgar, Arensky, Tchaikovsky, Fuchs
  type: MusicAlbum
  date published: 2022-08-26
album: Fuchs: Violin Sonatas Nos. 4-6
  type: MusicAlbum
  date published: 2024-05-10
album: Robert Fuchs: 12 Etudes, Op. 31
  type: MusicAlbum
  date published: 2024-05-03
album: Pieces for piano Op 32 & 47 Robert Fuchs
  type: MusicAlbum
  date published: 2023-09-06
  track: Smiles After Tears Op 47 No 10
  track: Morning Song Op 32 No 1
  track: Proud Horseman Op 47 No 2
  track: dear Little Sister Op 32 No 14
  track: Cradle Song Op 47 No 7
album: Fuchs: Clarinet Chamber Music
  type: MusicAlbum
  date published: 2021-07-30
album: Fuchs: Violin Sonatas Nos. 1-3
  type: MusicAlbum
  date published: 2020-09-11
album: Robert Fuchs: Works for Violin, Viola & Piano
  type: MusicAlbum
  date published: 2018-05-28
album: Fuchs: The Complete Works for Cello & Piano
  type: MusicAlbum
  date published: 2017-05-19
album: Fuchs: Symphonies Nos. 1 & 2
  type: MusicAlbum
  date published: 2016-04-01
album: Fuchs: Ruhig und ausdrucksvoll
  type: MusicAlbum
  date published: 2015-10-30
album: Fuchs: Piano Trio, Violin Sonata, Viola Phantasiestücke
  type: MusicAlbum
  date published: 2015-06-05
album: Fuchs: Serenades Nos. 3, 4 & 5
  type: MusicAlbum
  date published: 2012-04-03
album: Mondaufgang. Chorlieder für gemischte Stimmen. Pt. songs for mixed voices
  type: MusicAlbum
  date published: 2012
album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
  track: Serenade No. 1 in D Major, Op. 9: I. Andante
  track: Serenade No. 2 in C Major, Op. 14: II. Larghetto
  track: Serenade No. 2 in C Major, Op. 14: III. Allegro risoluto
  track: Serenade No. 1 in D Major, Op. 9: II. Tempo di menuetto
  track: Serenade No. 1 in D Major, Op. 9: III. Allegro scherzando
  track: Serenade No. 1 in D Major, Op. 9: IV. Adagio - Con molto espressione
  track: Serenade No. 1 in D Major, Op. 9: V. Finale: Allegro
  track: Serenade No. 2 in C Major, Op. 14: I. Allegretto
  track: Serenade No. 2 in C Major, Op. 14: IV. Finale: Presto
  track: Andante grazioso
album: Fuchs: Piano Trios Nos. 1 & 2
  type: MusicAlbum
  date published: 2005-01-01
album: Robert Fuchs: Complete Violin Sonatas Vol. 2
  type: MusicAlbum
  date published: 2004-09-09
album: Fuchs: Piano Concerto, Op. 27 & Serenade No. 5, Op. 53
  type: MusicAlbum
  date published: 2004-03-16
album: Robert Fuchs: Klavierquartette
  type: MusicAlbum
  date published: 2003-02-11
album: Fuchs & Kiel: Piano Concertos (Hyperion Romantic Piano Concerto 31)
  type: MusicAlbum
  date published: 2003-02-01
  track: Piano Concerto in B-Flat Minor, Op. 27: II. Andante sotenuto
album: Robert Fuchs: Complete Violin Sonatas Vol. 1
  type: MusicAlbum
  date published: 2002-12-01
album: Fuchs: Complete String Quartets, Vol. 2
  type: MusicAlbum
  date published: 2001-02-01
album: Fuchs: Complete String Quartets, Vol. 1
  type: MusicAlbum
  date published: 2000-10-01
album: Robert Fuchs: Erste Symphonie in C-Dur, op. 37, Zweite Symphonie in Es-Dur, op. 45
  type: MusicAlbum
  date published: 1996-01-01
album: Fuchs, R.: 6 Fantasy Pieces / Viola Sonata in D Minor / Piano Trio in F-Sharp Minor
  type: MusicAlbum
  date published: 1996-01-01
album: Robert Fuchs: Orchesterwerke Vol. I
  type: MusicAlbum
  date published: 1995-01-01
album: Fuchs: Piano Sonata Op. 108 / Jugendklange / 12 Waltzes
  type: MusicAlbum
  date published: 1993-05-10
album: Fuchs: Sonatas for Cello and Piano
  type: MusicAlbum
  date published: 1993-03-15
album: Fuchs: Piano Sonatas Op. 19 and Op. 88
  type: MusicAlbum
  date published: 1992-06-16
album: Romberg, Fuchs & Stanford: Clarinet Quintets
  type: MusicAlbum
  date published: 1992-04-01
album: Rossini: Il barbiere di siviglia: Largo al factotum: "Largo al factotum"
  type: MusicAlbum
  date published: 2022-12-14
album: Fuchs: Serenade No. 1, Op. 9
  type: MusicAlbum
  date published: 2010-06-30

Smiles After Tears Op 47 No 10
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by artist: Pablo F Bello
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genre: early-modern-classical
genre: post-romantic-era
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  date published: 2026-07-08T03:22:41Z
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Morning Song Op 32 No 1
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genre: early-modern-classical
genre: post-romantic-era
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  date published: 2026-07-29T11:07:37Z
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Proud Horseman Op 47 No 2
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genre: early-modern-classical
genre: post-romantic-era
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  date published: 2026-07-31T15:59:18Z
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dear Little Sister Op 32 No 14
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genre: early-modern-classical
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  date published: 2026-07-31T02:19:15Z
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Cradle Song Op 47 No 7
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960266
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:44:50+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2300098
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Serenade No. 1 in D Major, Op. 9: I. Andante
type: MusicRecording
duration: PT2M50S
duration ms: 170040
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
isrc code: HKI191011901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T08:51:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2188d135efe5d87812c033e839b877f41b5560b25b23174ee7cadd25e52a47e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011901
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2188d135efe5d87812c033e839b877f41b5560b25b23174ee7cadd25e52a47e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011901.
  date published: 2026-06-13T13:32:09Z
audio: Serenade No. 1 in D Major, Op. 9: I. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.396
  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: 0.192
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.842
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.127
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.59
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Serenade No. 2 in C Major, Op. 14: II. Larghetto
type: MusicRecording
duration: PT5M58S
duration ms: 358480
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
isrc code: HKI191011907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:21:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5592f889ce4da10e8781f2e7a9fa0e7b61e013c3b003b79de89e587dc5352af3
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/HKI191011907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5592f889ce4da10e8781f2e7a9fa0e7b61e013c3b003b79de89e587dc5352af3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011907.
  date published: 2026-07-08T03:22:41Z
audio: Serenade No. 2 in C Major, Op. 14: II. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.632
  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: 0.107
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.763
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.486
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.51
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Serenade No. 2 in C Major, Op. 14: III. Allegro risoluto
type: MusicRecording
duration: PT3M6S
duration ms: 186880
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb669257d00a60bc24d3cb441f736f2359956c6ec7004f5769909823597f8af28. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:49:01Z), 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/HKI191011908.
  date published: 2026-07-22T17:49:01Z
audio: Serenade No. 2 in C Major, Op. 14: III. Allegro risoluto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.113
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  additional property: Liveness
    type: PropertyValue
    value: 0.051
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.408
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.641
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI191011908
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T15:38:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011908
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T15:38:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Serenade No. 1 in D Major, Op. 9: II. Tempo di menuetto
type: MusicRecording
duration: PT3M54S
duration ms: 234693
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe44ae50661fc4ffd07cd7c237c87d86eeb49afc863bbfdf4390f77f8e2469f6. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/HKI191011902.
  date published: 2026-07-31T00:26:26Z
audio: Serenade No. 1 in D Major, Op. 9: II. Tempo di menuetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.826
  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: 0.265
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.882
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI191011902
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960327
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011902
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Serenade No. 1 in D Major, Op. 9: III. Allegro scherzando
type: MusicRecording
duration: PT4M37S
duration ms: 277920
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc24fc4285eeee4d2812657438cde6acde66040eacd4893121bd9c0d1099d6f1e. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/HKI191011903.
  date published: 2026-07-30T01:51:26Z
audio: Serenade No. 1 in D Major, Op. 9: III. Allegro scherzando
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.246
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.803
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.233
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.896
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI191011903
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960191
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T01:51:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011903
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960191
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960191
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:51:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Serenade No. 1 in D Major, Op. 9: IV. Adagio - Con molto espressione
type: MusicRecording
duration: PT3M12S
duration ms: 192546
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd130cefdbefc1984d8d6ebbbac4f65940444c24442c07d0423b2786c433ff48c. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/HKI191011904.
  date published: 2026-07-31T05:17:02Z
audio: Serenade No. 1 in D Major, Op. 9: IV. Adagio - Con molto espressione
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.805
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.874
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.825
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.033
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.396
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI191011904
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960348
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191011904
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Serenade No. 1 in D Major, Op. 9: V. Finale: Allegro
type: MusicRecording
duration: PT5M7S
duration ms: 307240
explicit: false
by artist: Robert Fuchs
by artist: Cologne Chamber Orchestra
by artist: Christian Ludwig
in album: Fuchs: Serenades Nos. 1 & 2
  type: MusicAlbum
  date published: 2011-03-01
genre: early-modern-classical
genre: post-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b53c131d29decd5f8e734824a2969cacb35f3999f223346658daabb7012fad. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/HKI191011905.
  date published: 2026-07-31T05:17:02Z
audio: Serenade No. 1 in D Major, Op. 9: V. Finale: Allegro
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Serenade No. 2 in C Major, Op. 14: I. Allegretto
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Serenade No. 2 in C Major, Op. 14: IV. Finale: Presto
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Andante grazioso
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audio: Andante grazioso
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Piano Concerto in B-Flat Minor, Op. 27: II. Andante sotenuto
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