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  track: Romeo and Juliet, TH 42
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album: Sviatolsav Richter plays Russian Composers
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Romeo and Juliet, TH 42
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Bruckner: Symphony No. 3 in D Minor, WAB103: III. Scherzo. Ziemlich schnell
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duration: PT7M10S
duration ms: 430866
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by artist: Anton Bruckner
by artist: Royal Concertgebouw Orchestra
by artist: Kurt Sanderling
in album: Bruckner: Symphony No. 3
  type: MusicAlbum
  date published: 2023-08-11
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60ad8f87709fb498a83892f014d9fff1de8685e3e33cb372e725e00430b6bcb. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/NLG761100496.
  date published: 2026-07-30T17:23:26Z
audio: Bruckner: Symphony No. 3 in D Minor, WAB103: III. Scherzo. Ziemlich schnell
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Bruckner: Symphony No. 3 in D Minor, WAB103: IV. Allegro
type: MusicRecording
duration: PT14M55S
duration ms: 895573
explicit: false
by artist: Anton Bruckner
by artist: Royal Concertgebouw Orchestra
by artist: Kurt Sanderling
in album: Bruckner: Symphony No. 3
  type: MusicAlbum
  date published: 2023-08-11
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0f2e78660e56719498f3968c3cdba91cfd7eba4cc82f6a18f95dabf142fe39. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG761100497.
  date published: 2026-07-30T08:30:10Z
audio: Bruckner: Symphony No. 3 in D Minor, WAB103: IV. Allegro
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Symphony No. 5 in D Minor, Op. 47: III. Largo
type: MusicRecording
duration: PT15M34S
duration ms: 934475
explicit: false
by artist: Dmitri Shostakovich
by artist: Berliner Symphoniker
by artist: Kurt Sanderling
in album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
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isrc code: DES380022613
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: Symphony No. 5 in D Minor, Op. 47: III. Largo
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Symphony No. 5 in D Minor, Op. 47: I. Moderato - Allegro non troppo
type: MusicRecording
duration: PT17M37S
duration ms: 1057833
explicit: false
by artist: Dmitri Shostakovich
by artist: Berliner Symphoniker
by artist: Kurt Sanderling
in album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
  type: MusicAlbum
  date published: 2016-05-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac0061c6d87564c3f3908aac4a8c78469ba8890f09094401f4b4d957f753841. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/DES380022611.
  date published: 2026-07-29T15:38:18Z
audio: Symphony No. 5 in D Minor, Op. 47: I. Moderato - Allegro non troppo
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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isrc code: DES380022611
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Symphony No. 5 in D Minor, Op. 47: II. Allegretto
type: MusicRecording
duration: PT5M33S
duration ms: 333772
explicit: false
by artist: Dmitri Shostakovich
by artist: Berliner Symphoniker
by artist: Kurt Sanderling
in album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
  type: MusicAlbum
  date published: 2016-05-13
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b1f9831fe7d92eefc5a77d06a4fc7db10209cca76e5392c44bf8f85599be62. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/DES380022612.
  date published: 2026-07-30T05:43:45Z
audio: Symphony No. 5 in D Minor, Op. 47: II. Allegretto
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  additional property: Acousticness
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
type: MusicRecording
duration: PT11M53S
duration ms: 713263
explicit: false
by artist: Dmitri Shostakovich
by artist: Berliner Symphoniker
by artist: Kurt Sanderling
in album: Shostakovich: Symphony No. 5 in D Minor, Op. 47
  type: MusicAlbum
  date published: 2016-05-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a8b3bf4e4a88b65b45970985b3927eafc9130c775835972ef664ce71b4b473. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DES380022614.
  date published: 2026-07-29T15:22:21Z
audio: Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DES380022614
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
type: MusicRecording
duration: PT11M17S
duration ms: 677013
explicit: false
by artist: Sergei Rachmaninoff
by artist: Sviatoslav Richter
by artist: Kurt Sanderling
by artist: Leningrad Philharmonic Orchestra
in album: Rachmaninoff: Piano Concertos No. 1 & 2
  type: MusicAlbum
  date published: 2010-02-03
genre: classical
genre: classical-piano
isrc code: QM6N21456903
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto No. 2 in C Minor, Op. 18: II. Andante sostenuto
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Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Piano Concerto No. 1 in F-Sharp Minor, Op. 1: I. Vivace
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Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante
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Piano Concerto No. 1 in F-Sharp Minor, Op. 1: III. Allegro vivace
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto (Excerpt)
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Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "Tempest": III. Allegretto (Recorded 1951)
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Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": I. Grave - Allegro di molto e con brio (Recorded 1959)
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Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": III. Rondo. Allegro (Recorded 1959)
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Mahler: Symphony No. 9
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Richter Archives, Vol. 22: Beethoven (Live)
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Shostakovich: Symphony No. 5 in D Minor, Op. 47
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Kurt Sanderling Edition
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Bach, Scriabin & Mussorgsky: Piano Works (Live)
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The Russian Piano Concertos
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Kurt Sanderling - Kapellmeister-Edition, Vol. 2
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Beethoven: Piano Sonatas, Piano Concerto No. 3, 8 Bagatelles & Choral Fantasy
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Piano Masterpieces, Vol. 2: Emil Gilels
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David Oistrakh Plays Sibelius and Szymanowski
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