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description: thumb|Rosen in 1973 on a tour of Southern Africa Charles Welles Rosen (May 5, 1927December 9, 2012) was an American pianist and music critic. He is remembered for his career as a concert pianist, for
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album: Charles Rosen Plays Webern
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album: Anton Webern: Complete Works: Op. 1 - Op. 31
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  track: Entflieht auf leichten Kähnen, Op. 2
  track: Fünf Lieder aus "Der Siebente Ring", Op. 3: II. Im Windesweben
  track: Fünf Lieder aus "Der Siebente Ring", Op. 3: III. An Baches Ranft
  track: Fünf Lieder aus "Der Siebente Ring", Op. 3: IV. Im Morgentaun
  track: Fünf Lieder aus "Der Siebente Ring", Op. 3: V. Kahl reckt der Baum
  track: Fünf Lieder zu Gedichten von Stefan George, Op. 4: IV. So ich traurig bin
  track: Fünf Sätze für Streichquartett, Op. 5: I. Heftig bewegt
  track: Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam
  track: Fünf Sätze für Streichquartett, Op. 5: V. In zarter Bewegung
  track: 6 Pieces for Large Orchestra, Op. 6: II. Bewegt
  track: 6 Pieces for Large Orchestra, Op. 6: V. Sehr langsam
  track: 4 Pieces for Violin & Piano, Op. 7: I. Sehr langsam
  track: 4 Pieces for Violin & Piano, Op. 7: II. Rasch
  track: 6 Bagatellen für Streichquartett, Op. 9: I. Mäßige
  track: 6 Bagatellen für Streichquartett, Op. 9: VI. Fließend
  track: 5 Pieces for Orchestra, Op. 10: I. Sehr ruhig und zart
  track: 5 Pieces for Orchestra, Op. 10: II. Lebhaft und zart bewegt
  track: 5 Pieces for Orchestra, Op. 10: III. Sehr langsam und äußerst zart
  track: Vier Lieder für Gesang und Klavier, Op. 12: III. Schien mir's, als ich sah die Sonne
  track: Fünf Lieder aus "Der Siebente Ring", Op. 3: I. Dies ist ein Lied für dich allein
  track: Fünf Lieder zu Gedichten von Stefan George, Op. 4: II. Noch zwingt mich Treue
  track: Fünf Lieder zu Gedichten von Stefan George, Op. 4: III. Ja Heil und Dank dir
  track: Fünf Lieder zu Gedichten von Stefan George, Op. 4: V. Ihr tratet zu dem Herde
  track: 4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam
  track: 4 Pieces for Violin & Piano, Op. 7: IV. Bewegt
  track: 3 Pieces for Cello and Piano, Op. 11: I. Mäßige Achtel
  track: 3 Pieces for Cello and Piano, Op. 11: III. Äußerst ruhig
  track: Vier Lieder für Gesang und Klavier, Op. 12: I. Der Tag ist vergangen
album: Chopin - Liszt - Piano Concertos
album: Chopin: 4 Scherzi
album: Chopin: Works for Solo Piano
album: Mozart : Piano Music
album: Music of Elliott Carter, Vol. 3: Complete Music for Piano
album: Beethoven: Piano Concertos No.2 & 4
album: Beethoven: Diabelli Variations
album: Beethoven: The Great Middle Period Sonatas
album: Charles Rosen Plays Chopin – Sonatas
album: Charles Rosen Plays Chopin – 24 Mazurkas
album: The Revolutionary Masterpieces, Vol. III
album: The Revolutionary Masterpieces, Vol. II
album: The Revolutionary Masterpieces, Vol. I
album: The Heifetz Piatigorsky Concerts
album: Boulez: Piano Sonatas Nos. 1 & 3
album: Beethoven: Piano Sonatas Nos. 30, 31 & 32
album: Beethoven: Piano Sonatas Nos. 27, 29 & 28
album: Haydn: 3 Piano Sonatas
album: Bach: The Last Keyboard Works
album: Bach: Goldberg Variations
album: Bach: Die Kunst der Fuge, BWV 1080
album: Carter: Variations for Orchestra & Double Concerto for Harpsichord and Piano
album: Piano Music of Debussy
album: Virtuoso!
album: The Siena Pianoforte
album: Chopin: Piano Concerto No. 2, Op. 21 - Liszt: Piano Concerto No. 1, S. 124
album: Beethoven: Piano Sonata Nos. 31 & 29
album: Charles Rosen Plays Liszt & Bartók
album: Schumann: Davidsbündlertänze, Op. 6 & Carnaval, Op. 9
album: Schubert: Piano Sonata No. 20 in A Major, D. 959 - Mozart: Rondo No. 3 in A Minor, K. 511
album: Debussy: 12 Études, L. 136
album: Carter: Double Concerto for Harpsichord & Piano - Kirchner: Concerto for Violin, Cello, 10 Winds & Percussion
album: Charles Rosen Plays Stravinsky & Schoenberg
album: Charles Rosen Plays Modern Piano Music
album: Stravinsky: Columbia Modern Classics - Octet for Wind Instruments, Symphony in Three Movements, Symphonies of Wind Instruments,
album: Ravel: Gaspard de la nuit & Le tombeau de Couperin
album: Chopin Recital
album: Brahms: Variations sur un thème de Paganini, Op. 35 & 16 Valses, Op. 39 (Mono Version)

Fünf Lieder aus "Der Siebente Ring", Op. 3: II. Im Windesweben
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Fünf Lieder aus "Der Siebente Ring", Op. 3: III. An Baches Ranft
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Fünf Lieder aus "Der Siebente Ring", Op. 3: IV. Im Morgentaun
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c029109af80f3424b172ae7f6782d911c0e38ddbcb3b3bdb5525ff61ddd586. 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/USSM10212006.
  date published: 2026-07-08T03:22:41Z
audio: Fünf Lieder aus "Der Siebente Ring", Op. 3: IV. Im Morgentaun
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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
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.333
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.643
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Fünf Lieder aus "Der Siebente Ring", Op. 3: V. Kahl reckt der Baum
type: MusicRecording
duration: PT1M36S
duration ms: 96200
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10212007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:19:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x702ca9623a97475b24a1fdc467cb309d7cb4698abdc6c86b284f6d1bd6cf3587
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/USSM10212007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702ca9623a97475b24a1fdc467cb309d7cb4698abdc6c86b284f6d1bd6cf3587. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212007.
  date published: 2026-07-08T03:53:27Z
audio: Fünf Lieder aus "Der Siebente Ring", Op. 3: V. Kahl reckt der Baum
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
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    value: 0.039
  additional property: Loudness (dB)
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    value: -27.983
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Fünf Lieder zu Gedichten von Stefan George, Op. 4: IV. So ich traurig bin
type: MusicRecording
duration: PT0M37S
duration ms: 37066
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10212011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:41:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf746c0fbde1dfab55d4b3397b85c853e918f26c5f0cec976e4ac14d73a0ab20f
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/USSM10212011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf746c0fbde1dfab55d4b3397b85c853e918f26c5f0cec976e4ac14d73a0ab20f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212011.
  date published: 2026-07-08T08:56:20Z
audio: Fünf Lieder zu Gedichten von Stefan George, Op. 4: IV. So ich traurig bin
  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
    value: 0.487
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.118
  additional property: Loudness (dB)
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    value: -31.811
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
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4 Pieces for Violin & Piano, Op. 7: I. Sehr langsam
type: MusicRecording
duration: PT1M5S
duration ms: 65466
explicit: false
by artist: Anton Webern
by artist: Isaac Stern
by artist: Charles Rosen
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM17100535
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:51:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54e5b7d2862b2a5254ab52423009004869b84eb264d33ab3befd564925a06567
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/USSM17100535
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e5b7d2862b2a5254ab52423009004869b84eb264d33ab3befd564925a06567. 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/USSM17100535.
  date published: 2026-07-08T03:22:41Z
audio: 4 Pieces for Violin & Piano, Op. 7: I. Sehr langsam
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 1
  additional property: Mode (Major/Minor)
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    value: 1
  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
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
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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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    value: -39.009
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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4 Pieces for Violin & Piano, Op. 7: II. Rasch
type: MusicRecording
duration: PT1M28S
duration ms: 88360
explicit: false
by artist: Anton Webern
by artist: Isaac Stern
by artist: Charles Rosen
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM17100536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:45:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29695b17bf442b99bad6ca2888859589baff8fa19f9689de8aef2e445375ee41
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/USSM17100536
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29695b17bf442b99bad6ca2888859589baff8fa19f9689de8aef2e445375ee41. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17100536.
  date published: 2026-07-08T08:56:20Z
audio: 4 Pieces for Violin & Piano, Op. 7: II. Rasch
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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    value: 0.397
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.062
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Vier Lieder für Gesang und Klavier, Op. 12: III. Schien mir's, als ich sah die Sonne
type: MusicRecording
duration: PT1M33S
duration ms: 93226
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10212037
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:04:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c6b480e23f34f66232280a66104312d4fe3ab365f5944cbf5be23f89fe5e1e6
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/USSM10212037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6b480e23f34f66232280a66104312d4fe3ab365f5944cbf5be23f89fe5e1e6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212037.
  date published: 2026-07-08T08:56:20Z
audio: Vier Lieder für Gesang und Klavier, Op. 12: III. Schien mir's, als ich sah die Sonne
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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: Mode Name
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Fünf Lieder aus "Der Siebente Ring", Op. 3: I. Dies ist ein Lied für dich allein
type: MusicRecording
duration: PT1M8S
duration ms: 68093
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb93b8988e9914399c97db828dd2b76fd78d32fb4bb2f1ff7298554acc376d64. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USSM10212003.
  date published: 2026-07-31T02:51:48Z
audio: Fünf Lieder aus "Der Siebente Ring", Op. 3: I. Dies ist ein Lied für dich allein
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  additional property: Tempo (BPM)
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    value: 114.68
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
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    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.586
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM10212003
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212003
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Fünf Lieder zu Gedichten von Stefan George, Op. 4: II. Noch zwingt mich Treue
type: MusicRecording
duration: PT1M34S
duration ms: 94800
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5469511752b4d364aa7d7bd678a6ad04d25c1614419e69c18f02808ddebf6263. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/USSM10212009.
  date published: 2026-07-31T20:42:35Z
audio: Fünf Lieder zu Gedichten von Stefan George, Op. 4: II. Noch zwingt mich Treue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -25.396
  additional property: Key Name
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    value: Ab
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    value: Major
isrc code: USSM10212009
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinBlock
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  value: 960463
additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:42:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Fünf Lieder zu Gedichten von Stefan George, Op. 4: III. Ja Heil und Dank dir
type: MusicRecording
duration: PT1M55S
duration ms: 115600
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4c61a7330f211b097dc43fc5d6d44b53a1c4f51c93f0d8e5bf5912470d0e17. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212010.
  date published: 2026-07-31T16:33:26Z
audio: Fünf Lieder zu Gedichten von Stefan George, Op. 4: III. Ja Heil und Dank dir
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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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    value: 5
  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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    value: 0.993
  additional property: Instrumentalness
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  additional property: Liveness
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    value: C#
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isrc code: USSM10212010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:33:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Fünf Lieder zu Gedichten von Stefan George, Op. 4: V. Ihr tratet zu dem Herde
type: MusicRecording
duration: PT1M14S
duration ms: 74400
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3988278856544c4678d8ffbb82bbd1be47fcd321ef5a4cdd7734819c514a2c5. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USSM10212012.
  date published: 2026-07-31T15:20:15Z
audio: Fünf Lieder zu Gedichten von Stefan George, Op. 4: V. Ihr tratet zu dem Herde
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 107.484
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.172
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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    value: Minor
isrc code: USSM10212012
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam
type: MusicRecording
duration: PT1M19S
duration ms: 79173
explicit: false
by artist: Anton Webern
by artist: Isaac Stern
by artist: Charles Rosen
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bf4aaad90f174a8425ad103131238209611da1c0665a6c22042272b3eeb04ed. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USSM17100537.
  date published: 2026-07-31T13:04:34Z
audio: 4 Pieces for Violin & Piano, Op. 7: III. Sehr langsam
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 100.675
  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: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.881
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
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    value: -45.323
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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    value: Major
isrc code: USSM17100537
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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  value: 960403
additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

4 Pieces for Violin & Piano, Op. 7: IV. Bewegt
type: MusicRecording
duration: PT1M1S
duration ms: 61266
explicit: false
by artist: Anton Webern
by artist: Isaac Stern
by artist: Charles Rosen
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21639a4e399cf19e171a82fbd2ee8913ac1e557ca85a936d953174303e36f9d4. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/USSM17100538.
  date published: 2026-07-31T15:27:29Z
audio: 4 Pieces for Violin & Piano, Op. 7: IV. Bewegt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.492
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.592
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.347
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.919
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: USSM17100538
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960422
additional property: BitcoinTime
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  value: 2026-07-31T15:27:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
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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/960422
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

3 Pieces for Cello and Piano, Op. 11: I. Mäßige Achtel
type: MusicRecording
duration: PT0M58S
duration ms: 58026
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Gregor Piatigorsky
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x782aab594c1e611d46fc4b0936e5bff5fa4a3dfb36b8d9647d6ea8951014a342. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USSM10212032.
  date published: 2026-07-31T15:20:15Z
audio: 3 Pieces for Cello and Piano, Op. 11: I. Mäßige Achtel
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 107.441
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.002
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.035
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.153
  additional property: Loudness (dB)
    type: PropertyValue
    value: -42.432
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM10212032
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212032
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

3 Pieces for Cello and Piano, Op. 11: III. Äußerst ruhig
type: MusicRecording
duration: PT0M50S
duration ms: 50666
explicit: false
by artist: Anton Webern
by artist: Charles Rosen
by artist: Gregor Piatigorsky
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddf6a801a2539326cf77d30a09abd0949cbde69fec7a18d3fcbe835e2002b52a. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212034.
  date published: 2026-07-31T08:26:41Z
audio: 3 Pieces for Cello and Piano, Op. 11: III. Äußerst ruhig
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Vier Lieder für Gesang und Klavier, Op. 12: I. Der Tag ist vergangen
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duration: PT1M11S
duration ms: 71293
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by artist: Anton Webern
by artist: Charles Rosen
by artist: Heather Harper
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
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  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6101103cf987735b830fc29b32a97f27661968dbfbc83a14794d9d9a68892d9d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212035.
  date published: 2026-07-31T19:53:13Z
audio: Vier Lieder für Gesang und Klavier, Op. 12: I. Der Tag ist vergangen
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ballade No. 1 in G Minor, Op. 23
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duration: PT9M11S
duration ms: 551133
explicit: false
by artist: Frédéric Chopin
by artist: Charles Rosen
in album: Chopin: Works for Solo Piano
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  date published: 2011-04-01
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: USB8U1020768
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Ballade No. 1 in G Minor, Op. 23
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3 Old Viennese Dances: Liebesleid
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duration: PT4M17S
duration ms: 257399
explicit: false
by artist: Fritz Kreisler
by artist: Charles Rosen
in album: Virtuoso!
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  date published: 1966
genre: classical
genre: post-romantic-era
genre: violin
isrc code: USSM16500894
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 3 Old Viennese Dances: Liebesleid
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Speechiness
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value: 0.039

Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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value: -22.37

Key Name
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value: Bb

Mode Name
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Entflieht auf leichten Kähnen, Op. 2
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duration: PT2M32S
duration ms: 152800
explicit: false
by artist: Anton Webern
by artist: Pierre Boulez
by artist: John Alldis Choir
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10212002
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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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd71805ff1893395209318265028ac299734b4165e71614d19aeade3aa143c1d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10212002.
  date published: 2026-07-08T03:53:27Z
audio: Entflieht auf leichten Kähnen, Op. 2
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  additional property: Acousticness
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  additional property: Instrumentalness
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Fünf Sätze für Streichquartett, Op. 5: I. Heftig bewegt
type: MusicRecording
duration: PT2M39S
duration ms: 159866
explicit: false
by artist: Anton Webern
by artist: Juilliard String Quartet
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10101626
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
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101626
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb193a20e6f02f6edc26d3d249543bae089c2bb884f980119adfc561efc75395d. 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/USSM10101626.
  date published: 2026-07-08T03:22:41Z
audio: Fünf Sätze für Streichquartett, Op. 5: I. Heftig bewegt
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  additional property: Acousticness
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Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam
type: MusicRecording
duration: PT2M47S
duration ms: 167493
explicit: false
by artist: Anton Webern
by artist: Juilliard String Quartet
in album: Anton Webern: Complete Works: Op. 1 - Op. 31
  type: MusicAlbum
  date published: 1978
genre: classical
genre: early-modern-classical
genre: avant-garde
genre: austro-german-modernism
genre: serialism
isrc code: USSM10101627
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323f9e36d85a857e429b82569dc8840c002008c838957582ead09d3f06f3e5dc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10101627.
  date published: 2026-07-08T03:53:27Z
audio: Fünf Sätze für Streichquartett, Op. 5: II. Sehr langsam
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Fünf Sätze für Streichquartett, Op. 5: V. In zarter Bewegung
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by artist: Juilliard String Quartet
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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6 Pieces for Large Orchestra, Op. 6: II. Bewegt
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by artist: Pierre Boulez
by artist: London Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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6 Pieces for Large Orchestra, Op. 6: V. Sehr langsam
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subject of: OpenTimestamps Proof of Existence
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6 Bagatellen für Streichquartett, Op. 9: I. Mäßige
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 6 Bagatellen für Streichquartett, Op. 9: I. Mäßige
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6 Bagatellen für Streichquartett, Op. 9: VI. Fließend
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: 6 Bagatellen für Streichquartett, Op. 9: VI. Fließend
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5 Pieces for Orchestra, Op. 10: I. Sehr ruhig und zart
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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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5 Pieces for Orchestra, Op. 10: II. Lebhaft und zart bewegt
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subject of: OpenTimestamps Proof of Existence
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