Grzegorz Nowak
type: MusicGroup
popularity: 11
followers: 317
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T16:43:25Z
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album: Raff: Benedetto Marcello
  type: MusicAlbum
  date published: 2020-01-03
album: Finest Music Selection: Cello
  type: MusicAlbum
  date published: 2010-11-30
album: Weill: The 7 Deadly Sins
  type: MusicAlbum
  date published: 2019-05-10
album: Czerny: Symphonies Nos. 2 & 6
  type: MusicAlbum
  date published: 2018-02-09
album: Electra Rising - The Music of Malcolm Forsyth
  type: MusicAlbum
  date published: 2000-01-01
album: Polish Symphonic Music of the 19th Century
  type: MusicAlbum
  date published: 2011-05-03
  track: Bajka (The Fairy Tale): Overture
  track: W Tatrach (In the Tatra Mountains), Op. 27: Overture
  track: 2 Chatki (2 Cabins), Op. 1: Overture
  track: Step (The Steppe), Op. 66
album: Polonia
  type: MusicAlbum
  date published: 2019-07-18
album: Moniuszko: Straszny dwór
  type: MusicAlbum
  date published: 2020-03-05
  track: Straszny Dwór, Akt III Scena 2: Ten zegar stary
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      date published: 2020-03-05
    isrc code: PLC701908502
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T08:56:20Z
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0935fd4d3f7143448c72dffd982847bafa2bf67be8f9b8e99393f459ffc9ab4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC701908502.
      date published: 2026-07-08T08:56:20Z
    audio: Straszny Dwór, Akt III Scena 2: Ten zegar stary
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  track: Straszny Dwór, Akt I Scena 4: Cichy domku
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    duration: PT7M27S
    duration ms: 447773
    explicit: false
    by artist: Arnold Rutkowski
    by artist: Marcin Bronikowski
    by artist: Mariusz Godlewski
    by artist: Paweł Cichoński
    in album: Moniuszko: Straszny dwór
      type: MusicAlbum
      date published: 2020-03-05
    isrc code: PLC701908404
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddeb1aa47a340b4e2dea48b11434b5a52f144c118933fe633c334dd025ceca67. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701908404.
      date published: 2026-07-08T03:53:27Z
    audio: Straszny Dwór, Akt I Scena 4: Cichy domku
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  track: Straszny Dwór, Akt I Scena 5: Witam Was, witam Was kochane dzieciska
  track: Straszny Dwór, Akt II Scena 6: Kto z mych dziewek serce której w cnych afektów wplącze nić
album: Phoenix
album: Karłowicz: Symphonic Poems, Opp. 12-14 — Chopin: Allegro de concert, Op. 46
album: Möbius
album: Elgar, Piazzolla, Wolosoff
album: Salve Polonia (Z życia narodu)
album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
album: Angel of Fire
album: Carl Czerny: A Rediscovered Genius (Live)
album: Grzegorz Nowak Conducts Karlowicz
album: Mendelssohn - Beethoven: Violin Concertos
album: Grzegorz Nowak Conducts Mussorgsky
album: Penderecki: Violin Concerto No. 2, 'Metamorphosen' - Szymanowski: Violin Concerto No. 1
album: Beethoven: Piano Concerto No. 3 - 'Moonlight' Sonata
album: Kletzki: Violin Concerto - Szymanowski: Violin Concerto No. 2 - Lutosławski: Partita
album: Grzegorz Nowak Conducts Brahms
album: Shostakovich: Symphony No. 5 - Festive Overture
album: Haydn, Weber & Genzmer: Piano Concertos
album: Beethoven: Piano Concertos Nos. 1 & 2
album: Schumann Concerti
album: Dvorak: Symphonies Nos. 6-9
album: Wieniawski: Violin Concertos Nos. 1 & 2
album: Chopin: Works for Piano and Orchestra Vol. 1 - Piano Concertos Nos. 1 & 2
album: Chopin: Piano Concertos
album: Schumann, R.: Symphonies Nos. 1-4
album: Beethoven, L. Van: Piano Concertos Nos. 4 and 5
album: Grzegorz Nowak Conducts Schumann - The Four Symphonies
album: Tchaïkovski : Piano concerto No. 1 - Chopin : Piano concerto No. 2
album: Grzegorz Nowak conducts Mendelssohn Symphonies 3 & 4
album: Frank Martin: Concerto for Violin and Orchestra - Walter Baer: Concerto for Violin and Orchestra - Jost Meier: Trames I-IV
album: Overtures / Symphony No.2
album: Phoenix - Różycki: Violin Concerto, Op. 70: I. Andante
album: Phoenix - Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
album: Paderewski: Symphony in B Minor „Polonia”

Bajka (The Fairy Tale): Overture
type: MusicRecording
duration: PT12M40S
duration ms: 760706
explicit: false
by artist: Stanisław Moniuszko
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
in album: Polish Symphonic Music of the 19th Century
  type: MusicAlbum
  date published: 2011-05-03
isrc code: PLB359601903
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  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
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6af284371280c718d5283c4a8949659ab488ed08cca1a8cc7999129c1577d63c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLB359601903.
  date published: 2026-07-08T03:53:27Z
audio: Bajka (The Fairy Tale): Overture
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  additional property: Tempo (BPM)
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  additional property: Key Name
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  additional property: Mode Name
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W Tatrach (In the Tatra Mountains), Op. 27: Overture
type: MusicRecording
duration: PT13M26S
duration ms: 806360
explicit: false
by artist: Władysław Żeleński
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
in album: Polish Symphonic Music of the 19th Century
  type: MusicAlbum
  date published: 2011-05-03
genre: polish-classical
isrc code: PLB359601904
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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: 2026-07-08T08:56:20Z
audio: W Tatrach (In the Tatra Mountains), Op. 27: Overture
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2 Chatki (2 Cabins), Op. 1: Overture
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duration: PT8M42S
duration ms: 522559
explicit: false
by artist: Karol Kazimierz Kurpinski
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
in album: Polish Symphonic Music of the 19th Century
  type: MusicAlbum
  date published: 2011-05-03
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: 2 Chatki (2 Cabins), Op. 1: Overture
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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

Step (The Steppe), Op. 66
type: MusicRecording
duration: PT19M34S
duration ms: 1174573
explicit: false
by artist: Zygmunt Noskowski
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
in album: Polish Symphonic Music of the 19th Century
  type: MusicAlbum
  date published: 2011-05-03
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ac3f72b546b66f43e331f386ae42110632897f4cbd61798c0c4db3c52966e6. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/PLB359601905.
  date published: 2026-07-29T23:20:38Z
audio: Step (The Steppe), Op. 66
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.684
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.887
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.043
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.747
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLB359601905
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: 960163
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T23:20:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB359601905
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38+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

Koncert skrzypcowy in A Major, Op. 8: II.Romanza. Andante
type: MusicRecording
duration: PT8M16S
duration ms: 496133
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
isrc code: PLC701806702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:45:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4328c635854e769bc81f47c2bfdffdd4d407047037f6251e6aee3f23f2a07665
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/PLC701806702
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 0x4328c635854e769bc81f47c2bfdffdd4d407047037f6251e6aee3f23f2a07665. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLC701806702.
  date published: 2026-07-08T08:56:20Z
audio: Koncert skrzypcowy in A Major, Op. 8: II.Romanza. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.101
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.517
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.195
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Koncert skrzypcowy in A Major, Op. 8: III.Finale. Vivace assai
type: MusicRecording
duration: PT7M12S
duration ms: 432120
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
isrc code: PLC701806703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:52:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x92b3862698c8ee4e052f9b06216f23017d27c83fe82c8ca7991d18a1dffe7933
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/PLC701806703
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 0x92b3862698c8ee4e052f9b06216f23017d27c83fe82c8ca7991d18a1dffe7933. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLC701806703.
  date published: 2026-07-08T03:53:27Z
audio: Koncert skrzypcowy in A Major, Op. 8: III.Finale. Vivace assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.382
  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: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.25
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.889
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.672
  additional property: Liveness
    type: PropertyValue
    value: 0.712
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.899
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symfonia in E Minor, Odrodzenie, Op. 7: IV.Allegro maestoso
type: MusicRecording
duration: PT9M55S
duration ms: 595386
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
isrc code: PLC701806707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:41:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8fc122c0dc837d3b0da1063b82cf58b9901533dd51411add650556153e51732
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/PLC701806707
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
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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0xb8fc122c0dc837d3b0da1063b82cf58b9901533dd51411add650556153e51732. 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/PLC701806707.
  date published: 2026-07-08T03:22:41Z
audio: Symfonia in E Minor, Odrodzenie, Op. 7: IV.Allegro maestoso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.639
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.219
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.836
  additional property: Liveness
    type: PropertyValue
    value: 0.678
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.788
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Koncert skrzypcowy in A Major, Op. 8: I.Allegro moderato
type: MusicRecording
duration: PT12M34S
duration ms: 754880
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f62db22df1f83e6873325aee867049fdd4db1b0e178c449b6884897546460f8. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701806701.
  date published: 2026-07-30T03:35:13Z
audio: Koncert skrzypcowy in A Major, Op. 8: I.Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.915
  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: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.423
  additional property: Liveness
    type: PropertyValue
    value: 0.297
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.012
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLC701806701
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: 960203
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T03:35:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC701806701
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13+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

Symfonia in E Minor, Odrodzenie, Op. 7: I.Andante. Allegro
type: MusicRecording
duration: PT17M20S
duration ms: 1040480
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd77bff0d1ba68c9154da61dd066f17aef2681029048e0bebca8c5a09fa859c. 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/PLC701806704.
  date published: 2026-07-31T00:26:26Z
audio: Symfonia in E Minor, Odrodzenie, Op. 7: I.Andante. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.306
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.478
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: PLC701806704
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/PLC701806704
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

Symfonia in E Minor, Odrodzenie, Op. 7: II.Andante non troppo
type: MusicRecording
duration: PT10M31S
duration ms: 631346
explicit: false
by artist: Mieczysław Karłowicz
by artist: Alena Baeva
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Karłowicz: Symfonia "Odrodzenie", Violin Concerto
  type: MusicAlbum
  date published: 2019-02-26
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde38c45a77615b7c6af4355f22c4125d6af910929bcb2b7f82a5fbab14d1fb2. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/PLC701806705.
  date published: 2026-07-31T04:14:58Z
audio: Symfonia in E Minor, Odrodzenie, Op. 7: II.Andante non troppo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.378
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.089
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.939
  additional property: Liveness
    type: PropertyValue
    value: 0.353
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.778
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLC701806705
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Pictures at an Exhibition (arr. S. Gortchakov): IV. Bydlo
type: MusicRecording
duration: PT2M46S
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explicit: false
by artist: Modest Mussorgsky
by artist: Sergei Gortchakov
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Grzegorz Nowak Conducts Mussorgsky
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genre: late-romantic-era
genre: early-modern-classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Pictures at an Exhibition (arr. S. Gortchakov): IV. Bydlo
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Night on Bald Mountain: St. John's Night on Bald Mountain, "A Night on the Bare Mountain" (arr. N. Rimsky-Korsakov for orchestra)
type: MusicRecording
duration: PT10M50S
duration ms: 650226
explicit: false
by artist: Modest Mussorgsky
by artist: Nikolai Rimsky-Korsakov
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Grzegorz Nowak Conducts Mussorgsky
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genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
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  date published: 2026-07-31T18:48:12Z
audio: Night on Bald Mountain: St. John's Night on Bald Mountain, "A Night on the Bare Mountain" (arr. N. Rimsky-Korsakov for orchestra)
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additional property: OTSVerifyInstructions
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Khovanshchina (arr. N. Rimsky-Korsakov): Act IV: Dance of the Persian Slaves
type: MusicRecording
duration: PT6M18S
duration ms: 378600
explicit: false
by artist: Modest Mussorgsky
by artist: Nikolai Rimsky-Korsakov
by artist: Royal Philharmonic Orchestra
by artist: Grzegorz Nowak
in album: Grzegorz Nowak Conducts Mussorgsky
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genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
audio: Khovanshchina (arr. N. Rimsky-Korsakov): Act IV: Dance of the Persian Slaves
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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

Violin Concerto No. 2 in D Minor, Op. 22: I. Allegro moderato
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duration: PT12M6S
duration ms: 726506
explicit: false
by artist: Henryk Wieniawski
by artist: Bartolomiej Niziol
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Violin Concerto No. 2 in D Minor, Op. 22: I. Allegro moderato
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Violin Concerto No. 1 in F-Sharp Minor, Op. 14: I. Allegro moderato
type: MusicRecording
duration: PT14M55S
duration ms: 895293
explicit: false
by artist: Henryk Wieniawski
by artist: Piotr Plawner
by artist: Sinfonia Varsovia
by artist: Grzegorz Nowak
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
audio: Violin Concerto No. 1 in F-Sharp Minor, Op. 14: I. Allegro moderato
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additional property: OTSVerifyInstructions
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Violin Concerto No. 1 in F-Sharp Minor, Op. 14: II. Preghiera: Larghetto
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  date published: 2026-07-31T19:53:13Z
audio: Violin Concerto No. 1 in F-Sharp Minor, Op. 14: II. Preghiera: Larghetto
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Violin Concerto No. 1 in F-Sharp Minor, Op. 14: III. Rondo: Allegro giocoso
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Violin Concerto No. 2 in D Minor, Op. 22: II. Romance: Andante
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Violin Concerto No. 2 in D Minor, Op. 22: III. Allegro con fuoco - Allegro moderato
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Ignacy Feliks Dobrzyński: Symphony No.2 In C Minor, Op. 15: IV: Finale alla Cracovienna. Vivace assai - Presto - Prestissimo
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Straszny Dwór, Akt I Scena 5: Witam Was, witam Was kochane dzieciska
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Straszny Dwór, Akt II Scena 6: Kto z mych dziewek serce której w cnych afektów wplącze nić
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Phoenix
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Karłowicz: Symphonic Poems, Opp. 12-14 — Chopin: Allegro de concert, Op. 46
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Möbius
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Elgar, Piazzolla, Wolosoff
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Salve Polonia (Z życia narodu)
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Karłowicz: Symfonia "Odrodzenie", Violin Concerto
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Angel of Fire
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Carl Czerny: A Rediscovered Genius (Live)
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Grzegorz Nowak Conducts Karlowicz
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Mendelssohn - Beethoven: Violin Concertos
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Grzegorz Nowak Conducts Mussorgsky
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Penderecki: Violin Concerto No. 2, 'Metamorphosen' - Szymanowski: Violin Concerto No. 1
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Beethoven: Piano Concerto No. 3 - 'Moonlight' Sonata
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Kletzki: Violin Concerto - Szymanowski: Violin Concerto No. 2 - Lutosławski: Partita
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Grzegorz Nowak Conducts Brahms
type: MusicAlbum
date published: 2013-03-05

Shostakovich: Symphony No. 5 - Festive Overture
type: MusicAlbum
date published: 2012-09-04

Haydn, Weber & Genzmer: Piano Concertos
type: MusicAlbum
date published: 2012-09-04

Beethoven: Piano Concertos Nos. 1 & 2
type: MusicAlbum
date published: 2011-11-01

Schumann Concerti
type: MusicAlbum
date published: 2011-09-08

Dvorak: Symphonies Nos. 6-9
type: MusicAlbum
date published: 2011-09-06

Wieniawski: Violin Concertos Nos. 1 & 2
type: MusicAlbum
date published: 2011-05-03
track: Violin Concerto No. 2 in D Minor, Op. 22: I. Allegro moderato
track: Violin Concerto No. 1 in F-Sharp Minor, Op. 14: I. Allegro moderato
track: Violin Concerto No. 1 in F-Sharp Minor, Op. 14: II. Preghiera: Larghetto
track: Violin Concerto No. 1 in F-Sharp Minor, Op. 14: III. Rondo: Allegro giocoso
track: Violin Concerto No. 2 in D Minor, Op. 22: II. Romance: Andante
track: Violin Concerto No. 2 in D Minor, Op. 22: III. Allegro con fuoco - Allegro moderato

Chopin: Works for Piano and Orchestra Vol. 1 - Piano Concertos Nos. 1 & 2
type: MusicAlbum
date published: 2011-05-03

Chopin: Piano Concertos
type: MusicAlbum
date published: 2011-05-03

Schumann, R.: Symphonies Nos. 1-4
type: MusicAlbum
date published: 2010-07-27

Beethoven, L. Van: Piano Concertos Nos. 4 and 5
type: MusicAlbum
date published: 2010-07-27

Grzegorz Nowak Conducts Schumann - The Four Symphonies
type: MusicAlbum
date published: 2009-06-15

Tchaïkovski : Piano concerto No. 1 - Chopin : Piano concerto No. 2
type: MusicAlbum
date published: 2008-01-08

Grzegorz Nowak conducts Mendelssohn Symphonies 3 & 4
type: MusicAlbum
date published: 2007-06-15

Frank Martin: Concerto for Violin and Orchestra - Walter Baer: Concerto for Violin and Orchestra - Jost Meier: Trames I-IV
type: MusicAlbum
date published: 1991

Overtures / Symphony No.2
type: MusicAlbum
date published: 2021-03-11
track: Ignacy Feliks Dobrzyński: Symphony No.2 In C Minor, Op. 15: IV: Finale alla Cracovienna. Vivace assai - Presto - Prestissimo

Phoenix - Różycki: Violin Concerto, Op. 70: I. Andante
type: MusicAlbum
date published: 2021-02-05

Phoenix - Tchaikovsky: Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
type: MusicAlbum
date published: 2021-01-08

Paderewski: Symphony in B Minor „Polonia”
type: MusicAlbum
date published: 2020-07-28