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type: MusicGroup
genre: chamber music
description: Josef Suk may refer to: Josef Suk (composer) (1874–1935), Czech composer and violinist Josef Suk (violinist) (1929–2011), his grandson, Czech violinist and conductor
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album: Slavic Rhapsody
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    by artist: Leoš Janáček
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    by artist: Bohuslav Martinů
    by artist: Bedřich Smetana
    by artist: Ciconia Consort
    by artist: Dick van Gasteren
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  track: Serenade for Strings in E Major, B.52: III. Scherzo. Vivace
  track: Serenade for Strings in E Major, B.52: IV. Larghetto
  track: Serenade for Strings in E Major, B.52: V. Finale. Allegro Vivace
  track: Suite for String Orchestra, JW6 No. 2: I. Moderato
  track: Suite for String Orchestra, JW6 No. 2: II. Adagio
  track: Suite for String Orchestra, JW6 No. 2: III. Andante con Moto
  track: Suite for String Orchestra, JW6 No. 2: IV. Presto
  track: Suite for String Orchestra, JW6 No. 2: V. Adagio
  track: Suite for String Orchestra, JW6 No. 2: VI. Andante
  track: Meditace na staročeský 'Svatý Václave', Op. 35a
  track: Partita Suite No. 1 for String Orchestra, H.212: I. Poco Allegro
  track: Partita Suite No. 1 for String Orchestra, H.212: II. Moderato
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  track: Partita Suite No. 1 for String Orchestra, H.212: IV. Poco Allegretto
  track: Rybář [The Fisherman], JB1: 7
album: Martinů & Suk: Piano Quartets - Dvořák: Bagatelles, Op. 47
album: Dvořák & Suk: Serenades
album: Suk: Piano Quintet in G Minor, Op. 8 & Životem a snem, Op. 30
album: Joseph Suk Plays Bach
album: Prague Spring Festival Gold Edition:, Vol. 1 (Live)
album: Josef Suk: Piano Works
album: Suk: Asrael Symphony; Pohádka
album: Suk: Piano Music - Spring; Summer Impressions; Moods etc.
album: Suk: A Fairytale, Fantastic Scherzo
album: Suk: Asrael, Op. 27
album: Suk: Orchestral Works
album: Suk: Piano Works
album: スーク：交響曲 第 2番 「アスラエル」
album: Suk: Complete Works for String Quartet
album: Suk: String Quartet No. 2, Meditation on the Old Czech Chorale Saint Wenceslas
album: Suk Ripening, Praga, Epilogue, Fairy Tale
album: Dvorak, A.: Song Transcriptions for Violin/Viola and Piano
album: Suk: Prague & A Summer's Tale
album: Suk: Serenade for String Orchestra & Under the Apple Tree
album: Dvorak: Symphony No. 9 / Violin Sonatina / Humoresque / Fanfare / Burleigh: Deep River
album: Suk: Fairy Tale - Fantastic scherzo
album: Suk: Asrael
album: Suk: The Ripening & Symphony No. 1
album: Suk: Symphony No. 2, Op. 27 - "Asrael"
album: Suk: Piano Trio / Piano Quartet
album: Suk : Symphonie Asrael
album: Suk: Piano Works, Vol. 2 "Summer Impressions"
album: Suk: Symphony Nr. 2 'Asrael' & Legend of the Dead Victors
album: Suk, J.: Asrael
album: Suk: Symphony No. 2, Op. 27 "Asrael"
album: Dvořák: Piano Trios Nos. 1 & 2
album: Suk, J.: Ripening / Tale of Winter's Evening
album: Suk: A Summer's Tale, Op. 29
album: Brahms: Cello Sonatas 1 & 2
album: Suk: Piano Works "Song of Love"
album: Suk: Piano Quintet & Piano Quartet
album: Suk: Six Piano Pieces / De Maman / Moods
album: Suk: Piano Works, Vol. 4
album: Suk: Prague & Pohádka
album: Margaret Fingerhut plays Suk Piano Works
album: Suk: Choruses
album: Schoenberg: Nuit transfigurée - Berg: Violin Concerto
album: A Violin Celebration
album: Summer Nights
album: In the Heat of Classics
track: Romance for Violin and Orchestra in F Major, Op. 50
track: 6 Pieces, Op. 7: 1. Love Song (Arr. Kocián for Violin and Piano)

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Serenade for Strings in E Major, B.52: III. Scherzo. Vivace
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Serenade for Strings in E Major, B.52: IV. Larghetto
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaddea5ac1456983ba688bae669819423a91b07fff5547125b64c53f25275f30c. 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/NLY332202832.
  date published: 2026-07-08T03:20:19Z
audio: Serenade for Strings in E Major, B.52: V. Finale. Allegro Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.185
  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: 0.254
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.76
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.154
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.705
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: I. Moderato
type: MusicRecording
duration: PT4M3S
duration ms: 243017
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 8
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202833
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:26:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28aa0a395ac42c8fafcc1f9a07fae2c6333dc3fcd37549d3e3190b391f3eac12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202833
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
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 0x28aa0a395ac42c8fafcc1f9a07fae2c6333dc3fcd37549d3e3190b391f3eac12. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202833.
  date published: 2026-07-30T09:58:01Z
audio: Suite for String Orchestra, JW6 No. 2: I. Moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.059
  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: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.148
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.826
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.817
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: II. Adagio
type: MusicRecording
duration: PT3M56S
duration ms: 236693
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 7
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202834
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T10:09:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x104a2edf5f6fa9521981fba7cbf6ef303d2564a816c430cdd92046cd4d066012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202834
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x104a2edf5f6fa9521981fba7cbf6ef303d2564a816c430cdd92046cd4d066012. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202834.
  date published: 2026-07-30T10:42:33Z
audio: Suite for String Orchestra, JW6 No. 2: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.019
  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: 0.08
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.124
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.286
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: III. Andante con Moto
type: MusicRecording
duration: PT1M1S
duration ms: 61240
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 34
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202835
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:37:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa32f69c8c096c52bac022111f5c8e9827d922b8885a3eed5fe06a10713944aa7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202835
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xa32f69c8c096c52bac022111f5c8e9827d922b8885a3eed5fe06a10713944aa7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLY332202835.
  date published: 2026-07-02T03:55:08Z
audio: Suite for String Orchestra, JW6 No. 2: III. Andante con Moto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.158
  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: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.596
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.372
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: IV. Presto
type: MusicRecording
duration: PT2M53S
duration ms: 173973
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 10
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202836
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:05:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcde201047542ab7272361dbae2da9b69012e68afbbb6d2e6a30bdfa5013cce91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202836
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
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 0xcde201047542ab7272361dbae2da9b69012e68afbbb6d2e6a30bdfa5013cce91. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/NLY332202836.
  date published: 2026-07-07T18:50:38Z
audio: Suite for String Orchestra, JW6 No. 2: IV. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.202
  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: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.818
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.36
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.8
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: V. Adagio
type: MusicRecording
duration: PT3M36S
duration ms: 216746
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 7
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202837
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T19:58:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7d70737c0e2306795313e4e182df5cff7bfc80790605add03dbf228077f00af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202837
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd7d70737c0e2306795313e4e182df5cff7bfc80790605add03dbf228077f00af. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332202837.
  date published: 2026-07-30T20:09:33Z
audio: Suite for String Orchestra, JW6 No. 2: V. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.243
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.098
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.976
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.061
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suite for String Orchestra, JW6 No. 2: VI. Andante
type: MusicRecording
duration: PT3M52S
duration ms: 232317
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
  type: MusicAlbum
  date published: 2023-02-01
popularity: 6
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: NLY332202838
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:55:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf11acff97236f476ff51668be489da292b54228e4a54b74e2e6c6d33178abae
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/NLY332202838
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 0xaf11acff97236f476ff51668be489da292b54228e4a54b74e2e6c6d33178abae. 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/NLY332202838.
  date published: 2026-07-08T03:20:19Z
audio: Suite for String Orchestra, JW6 No. 2: VI. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.969
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.3
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.925
  additional property: Instrumentalness
    type: PropertyValue
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Meditace na staročeský 'Svatý Václave', Op. 35a
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by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
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  date published: 2023-02-01
popularity: 7
genre: classical
genre: late-romantic-era
genre: czech-classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: Meditace na staročeský 'Svatý Václave', Op. 35a
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Partita Suite No. 1 for String Orchestra, H.212: I. Poco Allegro
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duration: PT3M12S
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by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
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  date published: 2023-02-01
popularity: 5
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Partita Suite No. 1 for String Orchestra, H.212: I. Poco Allegro
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Partita Suite No. 1 for String Orchestra, H.212: II. Moderato
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duration: PT2M57S
duration ms: 177640
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
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popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Partita Suite No. 1 for String Orchestra, H.212: II. Moderato
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Partita Suite No. 1 for String Orchestra, H.212: III. Andante Moderato
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duration: PT2M36S
duration ms: 156973
explicit: false
by artist: Antonín Dvořák
by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
in album: Slavic Rhapsody
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popularity: 6
genre: classical
genre: late-romantic-era
genre: czech-classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Partita Suite No. 1 for String Orchestra, H.212: III. Andante Moderato
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Partita Suite No. 1 for String Orchestra, H.212: IV. Poco Allegretto
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duration ms: 210996
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by artist: Leoš Janáček
by artist: Josef Suk
by artist: Bohuslav Martinů
by artist: Bedřich Smetana
by artist: Ciconia Consort
by artist: Dick van Gasteren
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popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:59:18Z
audio: Partita Suite No. 1 for String Orchestra, H.212: IV. Poco Allegretto
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Rybář [The Fisherman], JB1: 7
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by artist: Leoš Janáček
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by artist: Bedřich Smetana
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popularity: 5
genre: classical
genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
audio: Rybář [The Fisherman], JB1: 7
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Martinů & Suk: Piano Quartets - Dvořák: Bagatelles, Op. 47
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903349
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-08-01T00:40:43Z
  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 0x3b6407c316e86180d56aa123719f8c1e8c1409333fdf59617f431043c4f4fa0f. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/GBAYC8903349.
    date published: 2026-08-01T00:40:43Z
  audio: Dvořák: 5 Bagatelles, Op. 47, B. 79: No. 3, Allegretto scherzando
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 127.297
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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      value: 5
    additional property: Danceability
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      value: 0.432
    additional property: Energy
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      value: 0.153
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.914
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.792
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.403
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.916
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Dvořák & Suk: Serenades
type: MusicAlbum
date published: 2023-12-29
track: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: I. Moderato
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277613
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Chamber Orchestra
  by artist: Christopher Warren-Green
  in album: Dvořák & Suk: Serenades
    type: MusicAlbum
    date published: 2023-12-29
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBAYC8900775
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T05:31:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x02d6c062edda04c32e82e17862d19cb6b625e2b59ffa5144431e22c2a46ce46f
  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/GBAYC8900775
  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 0x02d6c062edda04c32e82e17862d19cb6b625e2b59ffa5144431e22c2a46ce46f. 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/GBAYC8900775.
    date published: 2026-07-08T03:20:19Z
  audio: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: I. Moderato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.478
    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: 0.196
    additional property: Energy
      type: PropertyValue
      value: 0.075
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.934
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.83
    additional property: Liveness
      type: PropertyValue
      value: 0.259
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.054
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.812
    additional property: Key Name
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      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse - Trio
  type: MusicRecording
  duration: PT5M10S
  duration ms: 310600
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Chamber Orchestra
  by artist: Christopher Warren-Green
  in album: Dvořák & Suk: Serenades
    type: MusicAlbum
    date published: 2023-12-29
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBAYC8900776
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T23:57:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe2b00f3f588d2d2aa8d34099b74fd67267cd120f0c73a2302a2770be3bc1e2d1
  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/GBAYC8900776
  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 0xe2b00f3f588d2d2aa8d34099b74fd67267cd120f0c73a2302a2770be3bc1e2d1. 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/GBAYC8900776.
    date published: 2026-07-08T03:20:19Z
  audio: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di valse - Trio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.256
    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: 0.18
    additional property: Energy
      type: PropertyValue
      value: 0.068
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.928
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.887
    additional property: Liveness
      type: PropertyValue
      value: 0.224
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.163
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.586
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: III. Scherzo vivace
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284240
  explicit: false
  by artist: Antonín Dvořák
  by artist: London Chamber Orchestra
  by artist: Christopher Warren-Green
  in album: Dvořák & Suk: Serenades
    type: MusicAlbum
    date published: 2023-12-29
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: GBAYC8900777
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  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: Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: III. Scherzo vivace
track: Suk: Serenade for Strings in E-Flat Major, Op. 6: I. Andante con moto - Più mosso
track: Suk: Serenade for Strings in E-Flat Major, Op. 6: II. Allegro ma non troppo e grazioso
track: Suk: Serenade for Strings in E-Flat Major, Op. 6: III. Adagio
track: Suk: Serenade for Strings in E-Flat Major, Op. 6: IV. Allegro giocoso ma non troppo presto

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T00:52:54+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x5cb2ea951eb7c51c2426f641893c88e519cc8b2013e0929fe67974ed0c3a4e94

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900777

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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 0x5cb2ea951eb7c51c2426f641893c88e519cc8b2013e0929fe67974ed0c3a4e94. 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/GBAYC8900777.
date published: 2026-07-08T03:22:41Z

Dvořák: Serenade for Strings in E Major, Op. 22, B. 52: III. Scherzo vivace
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 163.238
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: 0.172
additional property: Energy
  type: PropertyValue
  value: 0.153
additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.905
additional property: Instrumentalness
  type: PropertyValue
  value: 0.93
additional property: Liveness
  type: PropertyValue
  value: 0.046
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.12
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.553
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Suk: Serenade for Strings in E-Flat Major, Op. 6: I. Andante con moto - Più mosso
type: MusicRecording
duration: PT4M47S
duration ms: 287413
explicit: false
by artist: Josef Suk
by artist: London Chamber Orchestra
by artist: Christopher Warren-Green
in album: Dvořák & Suk: Serenades
  type: MusicAlbum
  date published: 2023-12-29
genre: chamber-music
isrc code: GBAYC8900781
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T03:37:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x380efda3facec753672b87f360748e2e25ac5178d6f1f5c1e3959a4a2ea10cd3
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/GBAYC8900781
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 0x380efda3facec753672b87f360748e2e25ac5178d6f1f5c1e3959a4a2ea10cd3. 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/GBAYC8900781.
  date published: 2026-07-08T03:20:19Z
audio: Suk: Serenade for Strings in E-Flat Major, Op. 6: I. Andante con moto - Più mosso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.242
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.213
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.81
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.876
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Suk: Serenade for Strings in E-Flat Major, Op. 6: II. Allegro ma non troppo e grazioso
type: MusicRecording
duration: PT5M6S
duration ms: 306773
explicit: false
by artist: Josef Suk
by artist: London Chamber Orchestra
by artist: Christopher Warren-Green
in album: Dvořák & Suk: Serenades
  type: MusicAlbum
  date published: 2023-12-29
genre: chamber-music
isrc code: GBAYC8900782
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x272c23fb80d007668142bf54b675d1ac2f975a41f093aedd31f8b0b91df53354
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900782
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
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 0x272c23fb80d007668142bf54b675d1ac2f975a41f093aedd31f8b0b91df53354. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/GBAYC8900782.
  date published: 2026-07-31T16:07:24Z
audio: Suk: Serenade for Strings in E-Flat Major, Op. 6: II. Allegro ma non troppo e grazioso
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.716
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.774
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.091
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.285
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Suk: Serenade for Strings in E-Flat Major, Op. 6: III. Adagio
type: MusicRecording
duration: PT9M46S
duration ms: 586866
explicit: false
by artist: Josef Suk
by artist: London Chamber Orchestra
by artist: Christopher Warren-Green
in album: Dvořák & Suk: Serenades
  type: MusicAlbum
  date published: 2023-12-29
genre: chamber-music
isrc code: GBAYC8900783
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x584f53db0075b94d4208a144a1e3fea41453099b43aea5eb84892d983d0dafce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900783
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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
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Suk: Piano Quintet in G Minor, Op. 8 & Životem a snem, Op. 30
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Joseph Suk Plays Bach
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Prague Spring Festival Gold Edition:, Vol. 1 (Live)
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Josef Suk: Piano Works
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Suk: Asrael Symphony; Pohádka
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track: Asrael Symphony in C Minor, Op. 27: 4. Adagio
track: Pohádka, Op. 16: 1. About the Constant Love of Raduz and Mahulena and their Trials
track: Pohádka, Op. 16: 2. Playing at Swans and Peacocks
track: Pohádka, Op. 16: 3. Funeral Music
track: Pohádka, Op. 16: 4. Runa’s Curse and how it was broken by True Love

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Asrael Symphony in C Minor, Op. 27: 3. Vivace
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Pohádka, Op. 16: 1. About the Constant Love of Raduz and Mahulena and their Trials
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Pohádka, Op. 16: 2. Playing at Swans and Peacocks
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  date published: 2026-07-08T03:20:19Z
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Pohádka, Op. 16: 3. Funeral Music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:58:21Z
audio: Pohádka, Op. 16: 3. Funeral Music
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Pohádka, Op. 16: 4. Runa’s Curse and how it was broken by True Love
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Pohádka, Op. 16: 4. Runa’s Curse and how it was broken by True Love
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Suk: Piano Music - Spring; Summer Impressions; Moods etc.
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track: Spring, Op. 22a: V. Longing. Allegro non troppo
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Suk: A Fairytale, Fantastic Scherzo
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track: Fantastic Scherzo, Op. 25
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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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Suk: Asrael, Op. 27
type: MusicAlbum
date published: 2017-05-05

Suk: Orchestral Works
type: MusicAlbum
date published: 2016-07-15

Suk: Piano Works
type: MusicAlbum
date published: 2016-06-01

スーク：交響曲 第 2番 「アスラエル」
type: MusicAlbum
date published: 2015-11-04

Suk: Complete Works for String Quartet
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: String Quartet in D Minor: II. Barcarolle (1923 version)
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Suk Ripening, Praga, Epilogue, Fairy Tale
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track: Serenade in E-Flat Major, Op. 6: IV. Allegro giocoso, ma non troppo presto
track: Under the Apple Tree, Op. 20: I. Introduction

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Serenade in E-Flat Major, Op. 6: III. Adagio
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Serenade in E-Flat Major, Op. 6: IV. Allegro giocoso, ma non troppo presto
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Under the Apple Tree, Op. 20: I. Introduction
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Dvorak: Symphony No. 9 / Violin Sonatina / Humoresque / Fanfare / Burleigh: Deep River
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Suk: Fairy Tale - Fantastic scherzo
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track: Pohadka (Fairy Tale), Op. 16: I. O vernem milovani Raduze a Mahuleny a jejich strastech
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  duration: PT10M57S
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  explicit: false
  by artist: Josef Suk
  by artist: Buffalo Philharmonic Orchestra
  by artist: Joann Falletta
  in album: Suk: Fairy Tale - Fantastic scherzo
    type: MusicAlbum
    date published: 2011-03-01
  genre: chamber-music
  isrc code: HKI191026102
  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
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026102
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T09:54:03Z
  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 0x3cb8e36958fc4aaea99ac1f93efd6b08eed3f410a1a89bec9f2c3270cf8e563c. Chain 2 (Bitcoin): anchored in block 960384 (2026-07-31T09:54:03Z), 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/HKI191026102.
    date published: 2026-07-31T09:54:03Z
  audio: Pohadka (Fairy Tale), Op. 16: I. O vernem milovani Raduze a Mahuleny a jejich strastech
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Energy
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    additional property: Speechiness
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track: Pohadka (Fairy Tale), Op. 16: II. Intermezzo: Hra na labute a pavy
  type: MusicRecording
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  explicit: false
  by artist: Josef Suk
  by artist: Buffalo Philharmonic Orchestra
  by artist: Joann Falletta
  in album: Suk: Fairy Tale - Fantastic scherzo
    type: MusicAlbum
    date published: 2011-03-01
  genre: chamber-music
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  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: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Pohadka (Fairy Tale), Op. 16: II. Intermezzo: Hra na labute a pavy
track: Pohadka (Fairy Tale), Op. 16: III. Intermezzo: Smutecni hudba
track: Pohadka (Fairy Tale), Op. 16: IV. Runy kletba a jak byla laskou zrusena
track: Fantasticke scherzo, Op. 25

OTSHash
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OTSBitcoinBlock
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value: 960187

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960187

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026103

OTSTimestamp
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value: 2026-07-30T01:34:28Z

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 0xb8afc1f3c8fa85f92905f21657fabc706b9799a90c2471dda9bb1439015a97d8. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026103.
date published: 2026-07-30T01:34:28Z

Pohadka (Fairy Tale), Op. 16: II. Intermezzo: Hra na labute a pavy
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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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)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Pohadka (Fairy Tale), Op. 16: III. Intermezzo: Smutecni hudba
type: MusicRecording
duration: PT7M22S
duration ms: 442413
explicit: false
by artist: Josef Suk
by artist: Buffalo Philharmonic Orchestra
by artist: Joann Falletta
in album: Suk: Fairy Tale - Fantastic scherzo
  type: MusicAlbum
  date published: 2011-03-01
genre: chamber-music
isrc code: HKI191026104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026104
additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4850c9de9450ea7fd6bdf555300ef748cf29b95d2448fbf7ed0e1fd3422df0b5. 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/HKI191026104.
  date published: 2026-07-31T04:14:58Z
audio: Pohadka (Fairy Tale), Op. 16: III. Intermezzo: Smutecni hudba
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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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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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Pohadka (Fairy Tale), Op. 16: IV. Runy kletba a jak byla laskou zrusena
type: MusicRecording
duration: PT8M34S
duration ms: 514613
explicit: false
by artist: Josef Suk
by artist: Buffalo Philharmonic Orchestra
by artist: Joann Falletta
in album: Suk: Fairy Tale - Fantastic scherzo
  type: MusicAlbum
  date published: 2011-03-01
genre: chamber-music
isrc code: HKI191026105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24Z
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 0xe9b3837f93dac7862ad393fbc212f3fe1be6179c3d5a4aec7a0020d013ce17c0. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/HKI191026105.
  date published: 2026-07-30T21:35:24Z
audio: Pohadka (Fairy Tale), Op. 16: IV. Runy kletba a jak byla laskou zrusena
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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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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  additional property: Key Name
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  additional property: Mode Name
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Fantasticke scherzo, Op. 25
type: MusicRecording
duration: PT14M59S
duration ms: 899733
explicit: false
by artist: Josef Suk
by artist: Buffalo Philharmonic Orchestra
by artist: Joann Falletta
in album: Suk: Fairy Tale - Fantastic scherzo
  type: MusicAlbum
  date published: 2011-03-01
genre: chamber-music
isrc code: HKI191026106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-06-25T23:44:42+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd52e7d26b291624a598a12cfb89581bbff76fe90ec79b5b5f215af82eb162a3a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191026106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xd52e7d26b291624a598a12cfb89581bbff76fe90ec79b5b5f215af82eb162a3a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI191026106.
  date published: 2026-07-02T03:55:08Z
audio: Fantasticke scherzo, Op. 25
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  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
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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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  additional property: Mode Name
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Suk: Asrael
type: MusicAlbum
date published: 2011-01-28
track: Asrael, Symphony for Large Orchestra in C Minor, Op. 27: I. Andante sostenuto
  type: MusicRecording
  duration: PT14M56S
  duration ms: 896453
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  by artist: Josef Suk
  by artist: Czech Philharmonic
  by artist: Sir Charles Mackerras
  in album: Suk: Asrael
    type: MusicAlbum
    date published: 2011-01-28
  genre: chamber-music
  isrc code: CZA161003572
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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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
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161003572
  additional property: OTSTimestamp
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1f0922f86ae53c33cbf78d856e51720008454f1c124dbd19d62c6b984e5be1. 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/CZA161003572.
    date published: 2026-07-08T03:20:19Z
  audio: Asrael, Symphony for Large Orchestra in C Minor, Op. 27: I. Andante sostenuto
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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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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track: Asrael, Symphony for Large Orchestra in C Minor, Op. 27: II. Andante
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  by artist: Czech Philharmonic
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    type: MusicAlbum
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  genre: chamber-music
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  additional property: OTSVerificationAPI
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track: Asrael, Symphony for Large Orchestra in C Minor, Op. 27: IV. Adagio
track: Asrael, Symphony for Large Orchestra in C Minor, Op. 27: V. Adagio e maestoso - Allegro appassionato

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date published: 2026-07-08T03:20:19Z

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Asrael, Symphony for Large Orchestra in C Minor, Op. 27: V. Adagio e maestoso - Allegro appassionato
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subject of: OpenTimestamps Proof of Existence
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Suk: The Ripening & Symphony No. 1
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Suk: Symphony No. 2, Op. 27 - "Asrael"
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Suk: Piano Trio / Piano Quartet
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Suk : Symphonie Asrael
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Suk: Piano Works, Vol. 2 "Summer Impressions"
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Suk: Symphony Nr. 2 'Asrael' & Legend of the Dead Victors
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Suk, J.: Asrael
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Dvořák: Piano Trios Nos. 1 & 2
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Suk, J.: Ripening / Tale of Winter's Evening
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Suk: A Summer's Tale, Op. 29
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track: Rondo in G Minor, Op. 94, B. 171
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track: Cello Sonata No. 2 in F Major, Op. 99: III. Allegro passionato
track: Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto

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Silent Woods, Op. 68 No. 5, B.173
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Rondo in G Minor, Op. 94, B. 171
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Ballade in D Minor, Op. 3 No. 1
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Serenade in A Major, Op. 3 No. 2
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Cello Sonata No. 2 in F Major, Op. 99: I. Allegro vivace
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  date published: 2026-07-08T03:20:19Z
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Cello Sonata No. 2 in F Major, Op. 99: II. Adagio affettuoso
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Cello Sonata No. 2 in F Major, Op. 99: III. Allegro passionato
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Cello Sonata No. 2 in F Major, Op. 99: IV. Allegro molto
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Suk: Piano Works "Song of Love"
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  audio: Piano Quartet in A Minor, Op. 1: III. Allegro con fuoco
track: 4 Pieces for Violin and Piano, Op. 17: II. Appassionato. Vivace
track: Piano Quintet in G Minor, Op. 8: III. Scherzo. Presto
track: Piano Quintet in G Minor, Op. 8: IV. Allegro fuoco

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Piano Quartet in A Minor, Op. 1: III. Allegro con fuoco
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4 Pieces for Violin and Piano, Op. 17: II. Appassionato. Vivace
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  date published: 2026-07-31T12:24:41Z
audio: 4 Pieces for Violin and Piano, Op. 17: II. Appassionato. Vivace
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Piano Quintet in G Minor, Op. 8: III. Scherzo. Presto
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Piano Quintet in G Minor, Op. 8: IV. Allegro fuoco
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additional property: OTSVerifyInstructions
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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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Suk: Six Piano Pieces / De Maman / Moods
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date published: 2002-01-28

Suk: Piano Works, Vol. 4
type: MusicAlbum
date published: 2001

Suk: Prague & Pohádka
type: MusicAlbum
date published: 1999-05-11

Suk: Prague & A Summer's Tale
type: MusicAlbum
date published: 2012-09-01

Margaret Fingerhut plays Suk Piano Works
type: MusicAlbum
date published: 1992-02-01

Suk: The Ripening & Symphony No. 1
type: MusicAlbum
date published: 2010-09-01

Suk: Choruses
type: MusicAlbum
date published: 2014-01-23

Schoenberg: Nuit transfigurée - Berg: Violin Concerto
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date published: 2015-08-06

A Violin Celebration
type: MusicAlbum
date published: 2026-01-27

Summer Nights
type: MusicAlbum
date published: 2026-07-31

In the Heat of Classics
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date published: 2026-07-03

Romance for Violin and Orchestra in F Major, Op. 50
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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6 Pieces, Op. 7: 1. Love Song (Arr. Kocián for Violin and Piano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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