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description: Markus Poschner (born 1 February 1971) is a German conductor and pianist. Biography Born in Munich, Poschner studied at the University of Music and Performing Arts Munich with Hermann Michael. His me
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subject of: OpenTimestamps Proof of Existence
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Offenbach: Maître Péronilla
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T09:37:10Z
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  subject of: OpenTimestamps Proof of Existence
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track: Symphony No. 6 in B Minor, Op. 74 "Pathétique": II. Allegro con grazia
track: Symphony No. 5 in E Minor, Op. 64: III. Valse. Allegro moderato
track: Symphony No. 6 in B Minor, Op. 74 "Pathétique": III. Allegro molto vivace
track: Symphony No. 5 in E Minor, Op. 64: IV. Finale. Andante maestoso - Allegro vivace
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OpenTimestamps Proof of Existence
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date published: 2026-07-30T18:23:33Z

Symphony No. 5 in E Minor, Op. 64: II. Andante cantabile con alcuna licenza
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Symphony No. 6 in B Minor, Op. 74 "Pathétique": II. Allegro con grazia
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Symphony No. 6 in B Minor, Op. 74 "Pathétique": III. Allegro molto vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
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Symphony No. 5 in E Minor, Op. 64: IV. Finale. Andante maestoso - Allegro vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:23:41Z
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Symphony No. 6 in B Minor, Op. 74 "Pathétique": IV. Adagio lamentoso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
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R. Strauss: Violin Concerto, Op. 18 & Aus Italien, Op. 16
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Saint-Saëns: Mélodies avec orchestre
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Strauss: Der Bürger als Edelmann Suite, Op. 60b, TrV 228c & Duett-Concertino, TrV 293
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Bruckner: Symphony No. 3 in D Minor, WAB 103 "Wagner" (1877 Version, Ed. L. Nowak)
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Bruckner: Symphony No. 7 in E Major, WAB 107 (Ed. P. Hawkshaw)
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Bruckner: Symphony No. 5 in B-Flat Major, WAB 105 "Phantastische" (1878 Version, L. Nowak Edition)
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Anton Bruckner: Symphony No. 4 in E-Flat Major, WAB 104 (1888 Version)
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Bruckner: Symphony No. 4 in E-Flat Major, WAB 104 (1876 Version)
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Bruckner: Symphony No. 3 in D Minor, WAB 103 "Wagner" (1873 Version, Ed. L. Nowak)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Bruckner: Symphony No. 4 in E-Flat Major, WAB 104 "Romantic" (2nd Version)
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Eötvös: Psychokosmos für Cymbalom und Orchester & Takemitsu: Gitimalya, Konzert für Marimbafon und Orchester
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Paër: Concerto - Paër: Concerto - Langlais: Choral médieval - Schneider: Echo - Widor: Salvum fac populum tuum - Langlais: Théme, Variations et Final - Bach: Cantata, BWV 29
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date published: 2003-09-30

Bruckner: Symphony No. 9 in D Minor, WAB 109 (1894 Version, Ed. L. Nowak)
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date published: 2024-07-05

Bruckner: Symphony in F Minor, WAB 99 "Study" (Ed. L. Nowak)
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date published: 2024-06-28

Bruckner: Symphony No. 1 in C Minor, WAB 101 (1891 Vienna Version, Ed. G. Brosche)
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date published: 2024-05-03

Bruckner: Symphony No. 3 in D Minor, WAB 103 "Wagner" (1889 Version, Ed. L. Nowak)
type: MusicAlbum
date published: 2024-03-01

Bruckner: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
      value: 0.903
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.748
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.047
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.383
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version): III. Scherzo. Schnell - Trio. Langsamer
  type: MusicRecording
  duration: PT8M31S
  duration ms: 511930
  explicit: false
  by artist: Anton Bruckner
  by artist: Bruckner Orchester Linz
  by artist: Markus Poschner
  in album: Bruckner: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version)
    type: MusicAlbum
    date published: 2024-01-05
  genre: classical
  genre: orchestra
  isrc code: DEB262300263
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T18:33:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa45a83234b72dfa75d01a9321d4815443ad38d766e2f8d46aa10f152fdc9054a
  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/DEB262300263
  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 0xa45a83234b72dfa75d01a9321d4815443ad38d766e2f8d46aa10f152fdc9054a. 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/DEB262300263.
    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version): III. Scherzo. Schnell - Trio. Langsamer
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.962
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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      value: 0.79
    additional property: Liveness
      type: PropertyValue
      value: 0.064
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.11
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.368
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version): IV. Finale. Bewegt, feurig
  type: MusicRecording
  duration: PT13M15S
  duration ms: 795381
  explicit: false
  by artist: Anton Bruckner
  by artist: Bruckner Orchester Linz
  by artist: Markus Poschner
  in album: Bruckner: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version)
    type: MusicAlbum
    date published: 2024-01-05
  genre: classical
  genre: orchestra
  isrc code: DEB262300264
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:21:11+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version): IV. Finale. Bewegt, feurig

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1a94cb0a79596a3064ae931755ee4888ee36b6b852f2e6078beb948a4f99b4f9

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960397

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960397

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262300264

OTSTimestamp
type: PropertyValue
value: 2026-07-31T12:24:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a94cb0a79596a3064ae931755ee4888ee36b6b852f2e6078beb948a4f99b4f9. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262300264.
date published: 2026-07-31T12:24:41Z

Symphony No. 1 in C Minor, WAB 101 (1866-1868 Linz version): IV. Finale. Bewegt, feurig
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 144.709
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.283
additional property: Energy
  type: PropertyValue
  value: 0.152
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.921
additional property: Instrumentalness
  type: PropertyValue
  value: 0.872
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.04
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.286
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Bruckner: Symphony No. 2 in C Minor, WAB 102 (1877 Version, Ed. W. Carragan)
type: MusicAlbum
date published: 2023-09-01

Bruckner: Symphony No. 8 in C Minor, WAB 108 (1887 Version)
type: MusicAlbum
date published: 2023-02-03
track: Symphony No. 8 in C Minor, WAB 108 (1887 Version): I. Allegro moderato
  type: MusicRecording
  duration: PT15M49S
  duration ms: 949178
  explicit: false
  by artist: Anton Bruckner
  by artist: Bruckner Orchester Linz
  by artist: Markus Poschner
  in album: Bruckner: Symphony No. 8 in C Minor, WAB 108 (1887 Version)
    type: MusicAlbum
    date published: 2023-02-03
  genre: classical
  genre: orchestra
  isrc code: DEB262200661
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:03:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe3a4e96729d236369037cacf917a74c49892052e6322691d9c6f7b02e77948b
  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/DEB262200661
  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 0xfe3a4e96729d236369037cacf917a74c49892052e6322691d9c6f7b02e77948b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262200661.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 8 in C Minor, WAB 108 (1887 Version): I. Allegro moderato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.707
    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: 0.105
    additional property: Energy
      type: PropertyValue
      value: 0.083
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.936
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.892
    additional property: Liveness
      type: PropertyValue
      value: 0.059
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.035
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.755
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bruckner: Symphony in D Minor, WAB 100 "Die Nullte"
type: MusicAlbum
date published: 2022-02-04
track: Symphony in D Minor, WAB 100 "Die Nullte": I. Allegro
  type: MusicRecording
  duration: PT13M57S
  duration ms: 837046
  explicit: false
  by artist: Anton Bruckner
  by artist: Bruckner Orchester Linz
  by artist: Markus Poschner
  in album: Bruckner: Symphony in D Minor, WAB 100 "Die Nullte"
    type: MusicAlbum
    date published: 2022-02-04
  genre: classical
  genre: orchestra
  isrc code: DEB262100701
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T20:34:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd9b165f91c999c9f74519c0a7f5997937f6ab83c1dba0be657c7f5ab6f25a6e1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960468
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262100701
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T21:25:57Z
  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 0xd9b165f91c999c9f74519c0a7f5997937f6ab83c1dba0be657c7f5ab6f25a6e1. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DEB262100701.
    date published: 2026-07-31T21:25:57Z
  audio: Symphony in D Minor, WAB 100 "Die Nullte": I. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.655
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.188
    additional property: Energy
      type: PropertyValue
      value: 0.051
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.955
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.846
    additional property: Liveness
      type: PropertyValue
      value: 0.222
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.208
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Bruckner: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version)
type: MusicAlbum
date published: 2021-11-05
track: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version): III. Adagio. Feierlich langsam, doch nicht schleppend
  type: MusicRecording
  duration: PT24M37S
  duration ms: 1477917
  explicit: false
  by artist: Anton Bruckner
  by artist: Markus Poschner
  by artist: Bruckner Orchester Linz
  in album: Bruckner: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version)
    type: MusicAlbum
    date published: 2021-11-05
  genre: classical
  genre: orchestra
  isrc code: DEB262100232
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T07:20:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa66f415e0585498557c6e4055aa593fecc2f758b4b91dea9fc02febe96d27f4c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960368
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960368
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262100232
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:26:41Z
  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 0xa66f415e0585498557c6e4055aa593fecc2f758b4b91dea9fc02febe96d27f4c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/DEB262100232.
    date published: 2026-07-31T08:26:41Z
  audio: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version): III. Adagio. Feierlich langsam, doch nicht schleppend
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.819
    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: 0.069
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.911
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.915
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.778
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version): IV. Finale. Feierlich, nicht schnell
  type: MusicRecording
  duration: PT22M35S
  duration ms: 1355450
  explicit: false
  by artist: Anton Bruckner
  by artist: Markus Poschner
  by artist: Bruckner Orchester Linz
  in album: Bruckner: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version)
    type: MusicAlbum
    date published: 2021-11-05
  genre: classical
  genre: orchestra
  isrc code: DEB262100233
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:58:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf174db2dae8ea30fa0595f35d00cd739f16906b34d0e9b9a5f94831527a5a979
  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/DEB262100233
  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 0xf174db2dae8ea30fa0595f35d00cd739f16906b34d0e9b9a5f94831527a5a979. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB262100233.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 8 in C Minor, WAB 108 "Apocalyptic" (1890 Version): IV. Finale. Feierlich, nicht schnell
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.421
    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: 0.117
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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      value: 0.945
    additional property: Instrumentalness
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      value: 0.898
    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.099
    additional property: Key Name
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    additional property: Mode Name
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Bruckner: Symphony No. 6 in A Major, WAB 106
type: MusicAlbum
date published: 2021-09-03

Play Fazil Say
type: MusicAlbum
date published: 2019-07-05

William Walton, Max Bruch, Arvo Pärt
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date published: 2017-08-11
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date published: 2026-07-08T03:20:19Z

Fratres for Viola, Strings and Drums
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Mahler: Symphonie No. 7
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Mahler: Symphonie No. 1 "Titan"
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Brahms: Sinfonien Nr. 3 & 4
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Impressions
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Safad
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Karuli Musika - Music from Georgia
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Feidman Plays Mozart & More
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Langlais: Third Concerto - Helmschrott: Concerto 'Lemento' - Poulenc: Organ Concert in G Minor
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Hindemith: The Four Temperaments for Piano and String Orchestra: Var. 4. Cholerisch. Vivace
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    date published: 2026-07-31T23:30:38Z
  audio: The Four Temperaments for Piano and Strings: Var. 4. Cholerisch. Vivace – Appassionato – Maestoso
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Symphony No. 6 in B Minor, Op. 74 "Pathétique" - I. Adagio - Allegro non troppo
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date published: 2023-12-22