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  track: Dolly, Op. 56: I. Berceuse
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  track: Pavane For A Dead Princess
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album: Tscherepnin & Berg: Meisterwerke der Welt
album: Glasunow & Borodin: Russische Meisterwerke, Vol. 5
album: Glazunov: Russische Meisterwerke, Vol. 3
album: Tchaikovsky: Ballet Suites - The Nutcracker and Sleeping Beauty
album: Rachmaninoff & Leimer: Klavierkonzerte
album: The 100 Most Essential Pieces of Classical Music
album: Violino Clássico
album: Classical 101
album: Classical Music from Peter Weir's Movies
album: 50 Well-Loved Classical Pieces
album: The 50 Most Essential Wagner Masterpieces
album: Wagner Masterpieces
album: The Essential German Opera
album: Wagner Essentials
album: Classical Violin 100
album: Classical Music from the Films of 2019
album: Tchaikovsky: Ballet Suites - The Nutcracker, Sleeping Beauty
album: Beethoven - Masterpiece Collection
album: Beethoven: Concertos for Violin, Piano, Cello, & Romance for Violin and Orchestra
album: Classical Chillout Vol. 3
album: Focus Your Mind with Beethoven: 50 Tracks
album: The Most Relaxing Classical Music In The Cosmos
album: The Beethoven Christmas Collection
album: Best of Operas
album: The Great Musicians, Vol. 3
album: Essential Classical Music
album: Relaxing Classics (Vol. 3)
album: 80 Pieces of Classical Music for Inner Peace and Meditation
album: Beethoven: Piano Concerto No. 5 in E Flat major, Op. 73
album: Schoenberg: Transfigured Night for String Sextet, Op. 4 & String Quartet No. 2, Op. 10:
album: Classical Music from the Films of 2022
album: The 50 Greatest Pieces for Violin
album: Classical Music from Fantasy Films
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album: Wagner 200 Years - The Great Overtures
album: Violín clásico
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album: Beethoven: Symphony No 5 & Schubert: Symphony No 8

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Masquerade Suite: II. Nocturne
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Vocalise, Op. 34
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The Merry Widow: "Lippen schweigen" (Orchestral)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
audio: The Merry Widow: "Lippen schweigen" (Orchestral)
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Suite No. 3 In D Major BWV 1068: Air
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by artist: Camerata Rhenania
by artist: Hanspeter Gmür
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popularity: 7
genre: classical
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genre: early-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T07:53:33Z
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The Four Seasons, Concerto No. 4 In F Minor (L'inverno / Winter) RV. 297 (Op. 8, No. 4): II. Largo
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duration: PT2M28S
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by artist: Janacek Chamber Orchestra
by artist: Zdenek Dejmek
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popularity: 4
genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
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Xerxes: Largo
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by artist: George Frideric Handel
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
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popularity: 3
genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Violin Concerto in D, Op. 77 - II. Adagio
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duration ms: 572293
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by artist: Moscow RTV Symphony Orchestra
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popularity: 3
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Piano Concerto In A Minor, Op. 16: II. Adagio
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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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Serenade No. 13 in G, 'Eine Kleine Nachtmusik' K. 525: II. Romanze (Andante)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
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Tales Of Hoffmann: Barcarolle
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  date published: 2026-07-08T03:20:19Z
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Thais: Meditation
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subject of: OpenTimestamps Proof of Existence
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Prelude To The Afternoon Of A Faun (Prelude A I'apres-Midi D'un Faune)
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subject of: OpenTimestamps Proof of Existence
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Piano Sonata No. 14 In C-Sharp Minor Op 27, No. 2 "Moonlight": I. Adagio Sostenuto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
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Songs Without Words, Op. 62: No. 6 in A Major: Molto allegro vivace "Fruhlinglied" (Spring Melody)
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subject of: OpenTimestamps Proof of Existence
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Preludes, Op. 28 No. 15 In D-Flat Major "Raindrop" - Sostenuto
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subject of: OpenTimestamps Proof of Existence
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Variations On An Original Theme, 'Enigma', Op. 36: VIII. W.N. (Allegretto) - IX. Nimrod (Adagio)
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedba5150a4b8d028be7e77c1f23d30ecca1dc7c97e3dbfa41ee6fa42b37aec85. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813896 — a six-check JSON result.
  date published: 2026-07-30T04:47:22Z
audio: Variations On An Original Theme, 'Enigma', Op. 36: VIII. W.N. (Allegretto) - IX. Nimrod (Adagio)
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Dance Of The Blessed Spirits
type: MusicRecording
duration: PT10M12S
duration ms: 612560
explicit: false
by artist: Christoph Willibald Gluck
by artist: Munich Chamber Orchestra
by artist: Hanspeter Gmür
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 8
genre: classical
genre: opera
isrc code: USSJ10813859
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/USSJ10813859
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1d632f8b04d96bce4c2108a0adc6f3372417483a1286c8579c5d42c43927bf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813859 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Dance Of The Blessed Spirits
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Minuet In G, WoO 10 No. 2
type: MusicRecording
duration: PT2M18S
duration ms: 138506
explicit: false
by artist: Ludwig van Beethoven
by artist: Dieter Goldmann
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSJ10813871
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2097a2ae0762d15f02fb476a9dbbc3d836747debd5898dac433fa1ced69a540. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813871 — a six-check JSON result.
  date published: 2026-07-30T16:01:17Z
audio: Minuet In G, WoO 10 No. 2
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Piano Concerto No. 21 In C K. 467: II. Andante
type: MusicRecording
duration: PT5M37S
duration ms: 337066
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mozart Festival Orchestra
by artist: Alberto Lizzio
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USSJ10813888
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
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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
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d456ca9b82a79a687ffeafddaf38306f5f0ae38284ae4fe3d4bdd66ac26187. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813888 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Piano Concerto No. 21 In C K. 467: II. Andante
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Sleepers, Wake! (Wachet Auf, Ruft Uns Die Stimme )
type: MusicRecording
duration: PT4M38S
duration ms: 278106
explicit: false
by artist: Johann Sebastian Bach
by artist: Klemens Schnorr
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSJ10813897
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afffaca8ddf498c8f842306215c47d705e192b12e884487618cf09bab5a4a36. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813897 — a six-check JSON result.
  date published: 2026-07-29T21:51:49Z
audio: Sleepers, Wake! (Wachet Auf, Ruft Uns Die Stimme )
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Water Music Suite No. 1 In F Major, HV 348: V. Air
type: MusicRecording
duration: PT3M3S
duration ms: 183866
explicit: false
by artist: George Frideric Handel
by artist: Slovac Chamber Orchestra
by artist: Bohdan Warchal
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: USSJ10813860
additional property: CopyrightID
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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/956856
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6955d026a3e720bca69aaed20f6d14fa66a669582dc2bf3ad88aca68f0e93cb4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813860 — a six-check JSON result.
  date published: 2026-07-06T01:25:57Z
audio: Water Music Suite No. 1 In F Major, HV 348: V. Air
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  additional property: Acousticness
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Menuetto
type: MusicRecording
duration: PT3M50S
duration ms: 230133
explicit: false
by artist: Luigi Boccherini
by artist: Bratislava Chamber Orchestra
by artist: Vlastimil Horak
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 7
genre: classical
isrc code: USSJ10813872
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xb92df1bba7f68e9a93aacaa6f3bf2a168030f80cdcd6f6fdc651773a9485da36. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813872 — a six-check JSON result.
  date published: 2026-07-02T05:09:12Z
audio: Menuetto
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Well Tempered Klavier, Book I, No. 22 BWV 867
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duration: PT4M29S
duration ms: 269866
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by artist: Johann Sebastian Bach
by artist: Christiane Jaccottet
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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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: 2026-07-08T03:20:19Z
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Ave Maria
type: MusicRecording
duration: PT5M54S
duration ms: 354400
explicit: false
by artist: Johann Sebastian Bach
by artist: Charles Gounod
by artist: Caffé Concerto
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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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 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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  date published: 2026-07-08T03:20:19Z
audio: Ave Maria
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Concierto De Aranjuez: II. Adagio
type: MusicRecording
duration: PT12M34S
duration ms: 754026
explicit: false
by artist: Joaquín Rodrigo
by artist: Slovac Chamber Orchestra
by artist: Bohdan Warchal
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
isrc code: USSJ10813861
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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 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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  date published: 2026-07-29T21:51:49Z
audio: Concierto De Aranjuez: II. Adagio
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Dolly, Op. 56: I. Berceuse
type: MusicRecording
duration: PT2M50S
duration ms: 170906
explicit: false
by artist: Gabriel Fauré
by artist: Klaus Jäckle
by artist: Elisabeth Riessbeck
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
isrc code: USSJ10813873
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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 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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  date published: 2026-07-30T03:35:13Z
audio: Dolly, Op. 56: I. Berceuse
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The Four Seasons: Concerto No. 1 In E Major, Op. 8, RV 269, "Spring": I. Allegro (Danza Pastorale)
type: MusicRecording
duration: PT3M33S
duration ms: 213733
explicit: false
by artist: Antonio Vivaldi
by artist: Musici di San Marco
by artist: Alberto Lizzio
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: USSJ10813890
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 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
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  date published: 2026-07-08T03:20:19Z
audio: The Four Seasons: Concerto No. 1 In E Major, Op. 8, RV 269, "Spring": I. Allegro (Danza Pastorale)
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Kinderszenen, Op. 15: No. 7. Traumerei
type: MusicRecording
duration: PT0M42S
duration ms: 42493
explicit: false
by artist: Robert Schumann
by artist: Ernst Gröschel
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USSJ10813899
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
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  date published: 2026-07-08T03:20:19Z
audio: Kinderszenen, Op. 15: No. 7. Traumerei
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Ballade No. 1 In G Minor, Op. 23
type: MusicRecording
duration: PT9M14S
duration ms: 554093
explicit: false
by artist: Frédéric Chopin
by artist: Makiko Takeda
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: early-romantic-era
genre: polish-classical
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additional property: CopyrightID
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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 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
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  date published: 2026-07-06T06:56:49Z
audio: Ballade No. 1 In G Minor, Op. 23
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Peer Gynt: Prelude (Morning)
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duration: PT3M42S
duration ms: 222906
explicit: false
by artist: Edvard Grieg
by artist: Bamberger Philharmoniker
by artist: Vlastimil Horak
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: USSJ10813874
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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: 2026-07-29T21:09:47Z
audio: Peer Gynt: Prelude (Morning)
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Symphony No. 5 In C Minor, Op. 67 "Fate": II. Andante Con Moto
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duration: PT9M1S
duration ms: 541653
explicit: false
by artist: Ludwig van Beethoven
by artist: Moscow RTV Symphony Orchestra
by artist: Vladimir Fedoseyev
in album: 100 Most Relaxing Classical Music In The Universe
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  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: chamber-music
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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: 2026-07-07T15:12:44Z
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Piano Concerto No. 20 In D Minor K. 466: II. Romanze (Excerpt)
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duration: PT8M46S
duration ms: 526173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mozart Festival Orchestra
by artist: Alberto Lizzio
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: Piano Concerto No. 20 In D Minor K. 466: II. Romanze (Excerpt)
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Cantata No. 147: Jesu, Joy Of Man's Desiring
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duration: PT4M2S
duration ms: 242333
explicit: false
by artist: Johann Sebastian Bach
by artist: Ferdinand Klinda
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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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 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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  date published: 2026-07-29T13:21:01Z
audio: Cantata No. 147: Jesu, Joy Of Man's Desiring
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Adagio in G Minor
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duration: PT7M49S
duration ms: 469226
explicit: false
by artist: Tomaso Albinoni
by artist: Latvian Philharmonic Chamber Orchestra
by artist: Ilmar Lapinsch
in album: 100 Most Relaxing Classical Music In The Universe
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popularity: 4
genre: 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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  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
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  date published: 2026-07-07T14:18:56Z
audio: Adagio in G Minor
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Carnival Of The Animals: The Swan
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duration: PT3M19S
duration ms: 199493
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by artist: Camille Saint-Saëns
by artist: Caffé Concerto
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popularity: 3
genre: 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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  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
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  date published: 2026-07-08T03:20:19Z
audio: Carnival Of The Animals: The Swan
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Valse Triste, Op 44
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duration: PT5M28S
duration ms: 328226
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by artist: RSO Ljubljana
by artist: Marko Munih
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popularity: 2
genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf17cad38287617a119f0570474d9c44831d4f2402f7cc99d75a5bec237a77f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813901 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Valse Triste, Op 44
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  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: 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: 0.623
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.288
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liebestraum No. 3 In A-Flat Major, Op. 62
type: MusicRecording
duration: PT5M13S
duration ms: 313000
explicit: false
by artist: Franz Liszt
by artist: Dubravka Tomšič
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: late-romantic-era
isrc code: USSJ10813864
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-29T15:43:37+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813864
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:13:37Z
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 0x90f36f6e943d0874aceaf2a0b6f9902b8f6bacf7e80023429f726c005eb1f5b4. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813864 — a six-check JSON result.
  date published: 2026-07-29T21:13:37Z
audio: Liebestraum No. 3 In A-Flat Major, Op. 62
  type: AudioObject
  additional property: Tempo (BPM)
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Flute And Harp Concerto In C K. 299 / 297C: II. Andantino
type: MusicRecording
duration: PT8M39S
duration ms: 519840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mozart Festival Orchestra
by artist: Alberto Lizzio
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: USSJ10813876
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:39:15+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf9c7661778a6ac078dd4eab972c9bfd4fcbfcf81b885dd1196293212e91cfcb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813876
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 0xf9c7661778a6ac078dd4eab972c9bfd4fcbfcf81b885dd1196293212e91cfcb2. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813876 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Flute And Harp Concerto In C K. 299 / 297C: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 5
  additional property: Mode (Major/Minor)
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    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: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -25.603
  additional property: Key Name
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  additional property: Mode Name
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Treasure WaltzOp. 418
type: MusicRecording
duration: PT8M38S
duration ms: 518266
explicit: false
by artist: Johann Strauss II
by artist: Carl Michalski
by artist: Vienna Volksoper Orchestra
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
isrc code: USSJ10813902
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:21:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85cd4ec146b789164f07cdf788fcae9ff6d95488e673b1702c523d5c43694ebd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960258
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960258
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813902
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:45:34Z
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 0x85cd4ec146b789164f07cdf788fcae9ff6d95488e673b1702c523d5c43694ebd. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813902 — a six-check JSON result.
  date published: 2026-07-30T12:45:34Z
audio: Treasure WaltzOp. 418
  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
    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
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice - Prestissimo - Tempo I
type: MusicRecording
duration: PT7M40S
duration ms: 460826
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Berliner Symphoniker
by artist: Eduardo Marturet
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 4
isrc code: USSJ10813865
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T19:25:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd223303f23a2a5eebf09b437b5050170d87011411402de17f2ba9c08504202c9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813865
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 0xd223303f23a2a5eebf09b437b5050170d87011411402de17f2ba9c08504202c9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813865 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice - Prestissimo - Tempo I
  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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    value: 1
  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
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  additional property: Acousticness
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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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Goldberg Variations BWV 988: Aria
type: MusicRecording
duration: PT2M11S
duration ms: 131333
explicit: false
by artist: Johann Sebastian Bach
by artist: Christiane Jaccottet
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: USSJ10813877
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960203
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813877
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T03:35:13Z
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 0x86788a2469593206d6bd80f17412307b0a62c919d7d9a08de5d3eed320d63874. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813877 — a six-check JSON result.
  date published: 2026-07-30T03:35:13Z
audio: Goldberg Variations BWV 988: Aria
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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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: 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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Pavane For A Dead Princess
type: MusicRecording
duration: PT6M56S
duration ms: 416066
explicit: false
by artist: Maurice Ravel
by artist: Moscow RTV Symphony Orchestra
by artist: Alexander Kopylov
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
  date published: 2009-01-01
popularity: 5
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: USSJ10813866
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: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813866
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0xf28582d0f378dd7ecb31c1686bbc45398923e74eb1e3f82767f27abab3a11f3e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813866 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Pavane For A Dead Princess
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  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
    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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    value: -31.206
  additional property: Key Name
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  additional property: Mode Name
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Bagatelle In A Minor WoO 59 "Fur Elise"
type: MusicRecording
duration: PT2M56S
duration ms: 176000
explicit: false
by artist: Ludwig van Beethoven
by artist: Dieter Goldmann
in album: 100 Most Relaxing Classical Music In The Universe
  type: MusicAlbum
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popularity: 3
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  date published: 2026-07-29T19:35:34Z
audio: Bagatelle In A Minor WoO 59 "Fur Elise"
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Piano Concerto No. 2 In F Minor Op 21: II. Larghetto
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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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Suite Bergamasque: Clair De Lune
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  date published: 2026-07-29T19:35:34Z
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Serenade For Strings In E Major, Op. 22: I. Moderato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:42:34Z
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Clarinet Concerto In A K. 622: II. Adagio
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  date published: 2026-07-29T21:09:47Z
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Violin Concerto In D Major, Op. 35: II. Canzonetta, Andante
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The 99 Most Essential Pieces of Classical Music
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
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Adagio in G Minor
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14 Romances, Op. 34: No. 14, Vocalise (Lentamente)
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Pavane, Op. 50
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Piano Concerto in A Minor, Op. 16: I. Allegro molto moderato
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Symphony No. 5 in C Minor, Op. 67 "Fate": I. Allegro con brio
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  date published: 2026-07-06T06:56:49Z
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Canon and Gigue in D Major, P. 37: I. Canon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Toccata and Fugue in D Minor, BWV 565
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
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The Four Seasons, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
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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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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:25:57Z
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T01:25:57Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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The Nutcracker, Op. 71, Act I: II. March
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by artist: Heribert Beissel
by artist: Bonn Classical Philharmonic
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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: 2026-07-08T03:20:19Z
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The Nutcracker, Op. 71, Act II: XIVc. Var. 2, Dance of the Sugar-Plum Fairy
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by artist: Heribert Beissel
by artist: Bonn Classical Philharmonic
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:52:39Z
audio: The Nutcracker, Op. 71, Act II: XIVc. Var. 2, Dance of the Sugar-Plum Fairy
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Adagio for Strings, Op. 11
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duration: PT8M22S
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by artist: Samuel Barber
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Adagio for Strings, Op. 11
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Symphony No. 94 in G Major, Hob. I:94 "Surprice": II. Andante
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duration: PT6M44S
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by artist: Heribert Beissel
by artist: Bonn Classical Philharmonic
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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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5 Morceaux de Fantasie, Op. 3: No. 2, Prélude in C-Sharp Minor "The Bells of Moscow"
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by artist: Tomislav Bavnov
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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by artist: David Parry
by artist: London Philharmonic Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
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Ave Maria, D. 839
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duration ms: 287120
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by artist: Béla Bánfalvi
by artist: Budapest Strings
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: Ave Maria, D. 839
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L'Arlesienne Suite No. 1, WD 40: I. Prelude
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by artist: David Parry
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
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Also Sprach Zarathustra, Op. 30: I. Introduction
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by artist: Ferdinand Leitner
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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String Quartet No. 13 in A Minor, D. 804 "Rosamunde": II. Andante
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by artist: Quartetto Pressenda
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:28:30Z
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The Love for Three Oranges, Op. 33b: III. March
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by artist: Andrei Lenard
by artist: Slovak Radio Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:10:20Z
audio: The Love for Three Oranges, Op. 33b: III. March
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Prince Igor, Act III: Polovtsian Dances
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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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3 Gymnopédies: I. Lent et douloureux
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
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Symphony No. 40 in G Minor, K. 550: I. Molto Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T09:18:01Z
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Die Walkürie, WWV 86b, Act III: Ride of the Valkyries
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T13:52:39Z
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Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:43:08Z
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Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
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Boléro, M. 81
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef08466de7fea77d039d062134707b37511d093955beba8de75a7042736060f3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750013 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Piano Concerto No. 21 in C Major, K. 467: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 176.597
  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: 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
    value: Major

Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
type: MusicRecording
duration: PT2M43S
duration ms: 163160
explicit: false
by artist: Edvard Grieg
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: SEWDL9750040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:21:19+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x348bb71da35c2e249f85764edda0e928ced4067d58ac6ded4b31d2b6b2f460ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x348bb71da35c2e249f85764edda0e928ced4067d58ac6ded4b31d2b6b2f460ac. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750040 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 7
  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)
    type: PropertyValue
    value: -19.826
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

String Quintet in E Major, G. 282: III. Minuetto - Trio
type: MusicRecording
duration: PT3M48S
duration ms: 228093
explicit: false
by artist: Luigi Boccherini
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
isrc code: SEWDL9750032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:09:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde91a6414a91d605faa708fa68998e1e152d081c8a5f98e810ba1ac5e8ca7c8a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957020
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957020
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T09:18:01Z
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 0xde91a6414a91d605faa708fa68998e1e152d081c8a5f98e810ba1ac5e8ca7c8a. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750032 — a six-check JSON result.
  date published: 2026-07-07T09:18:01Z
audio: String Quintet in E Major, G. 282: III. Minuetto - Trio
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 110.431
  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
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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
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
type: MusicRecording
duration: PT4M53S
duration ms: 293160
explicit: false
by artist: Frédéric Chopin
by artist: Finghin Collins
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: SEWDL9750006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:08:45+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5c38d5fa357f15b52b9ef5added3acb1892998329184799cf63a15d6a6806d95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x5c38d5fa357f15b52b9ef5added3acb1892998329184799cf63a15d6a6806d95. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750006 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 118.713
  additional property: Musical Key
    type: PropertyValue
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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
    value: 0.429
  additional property: Energy
    type: PropertyValue
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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
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.595
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Carmen Suite No. 2: II. Habanera
type: MusicRecording
duration: PT2M12S
duration ms: 132533
explicit: false
by artist: Georges Bizet
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: opera
isrc code: SEWDL9750024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x706709ae31ad4a967b3d5e38bed8d320c885e131fb5ddfc45718e9df08683f88
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/SEWDL9750024
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 0x706709ae31ad4a967b3d5e38bed8d320c885e131fb5ddfc45718e9df08683f88. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750024 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Carmen Suite No. 2: II. Habanera
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.181
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.457
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.304
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.404
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.438
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Requiem in D Minor, K. 626: IIIf. Sequenz, Lacrymosa
type: MusicRecording
duration: PT3M24S
duration ms: 204506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kaszimierz Kord
by artist: SWR Symphony Orchestra
by artist: Baden-Baden State Chorus
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: SEWDL0534908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:18:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x919e8ecb84823871162d0273ccab881907752e0cbe751aa5fb041a4ea2670d76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x919e8ecb84823871162d0273ccab881907752e0cbe751aa5fb041a4ea2670d76. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0534908 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Requiem in D Minor, K. 626: IIIf. Sequenz, Lacrymosa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.451
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.45
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Goldberg Variations, BWV 988: Aria
type: MusicRecording
duration: PT4M51S
duration ms: 291113
explicit: false
by artist: Johann Sebastian Bach
by artist: Henrik Måwe
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: SEWDL6018030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-20T04:38:53+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x10c839c328808d8b706cbaf2b542d3690e1930cbf4d7716f2ae561e345225bd2
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/SEWDL6018030
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 0x10c839c328808d8b706cbaf2b542d3690e1930cbf4d7716f2ae561e345225bd2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6018030 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Goldberg Variations, BWV 988: Aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.264
  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: 0.279
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  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)
    type: PropertyValue
    value: -19.574
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Swan Lake Suite, Op. 20a: I. Scène
type: MusicRecording
duration: PT3M1S
duration ms: 181666
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
isrc code: SEWDL9750019
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/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
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 0x025e652a8b5c0a028613a5a9cb47d89a4635e2bd2cc2a4e2055533d2ebf754d0. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750019 — a six-check JSON result.
  date published: 2026-07-07T16:07:00Z
audio: Swan Lake Suite, Op. 20a: I. Scène
  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
    type: PropertyValue
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  additional property: Mode Name
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21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
type: MusicRecording
duration: PT2M38S
duration ms: 158626
explicit: false
by artist: Johannes Brahms
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: SEWDL9750018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:05:36+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x051082f70bb1d0c82b9609fe65f126b463847e13b9dadaaf6e5c1864652b8948
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/SEWDL9750018
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 0x051082f70bb1d0c82b9609fe65f126b463847e13b9dadaaf6e5c1864652b8948. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750018 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: 21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.844
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 0
  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
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.4
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.837
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Liebesträume, S. 541: No. 3, Oh Lieb, so lang du lieben kannst
type: MusicRecording
duration: PT5M13S
duration ms: 313000
explicit: false
by artist: Franz Liszt
by artist: Dubravka Tomšič
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: late-romantic-era
isrc code: SEWDL0745807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T20:51:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbba9c7d833411a6d1ba9149014a61146390353bf88c73dfe853541915ed2d519
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0745807
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xbba9c7d833411a6d1ba9149014a61146390353bf88c73dfe853541915ed2d519. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0745807 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Liebesträume, S. 541: No. 3, Oh Lieb, so lang du lieben kannst
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.901
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.845
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.226
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
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Messe à trois voix, Op. 12: V. Panis Angelicus (Poco lento)
type: MusicRecording
duration: PT3M23S
duration ms: 203373
explicit: false
by artist: César Franck
by artist: Ilmar Lapinsch
by artist: Latvian Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: chamber-music
isrc code: SEWDL0776403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T21:07:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09319c16d91a336041c5450451b9afcc107745eca2b581bbc90f254181befe12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0776403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49Z
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 0x09319c16d91a336041c5450451b9afcc107745eca2b581bbc90f254181befe12. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0776403 — a six-check JSON result.
  date published: 2026-07-29T21:51:49Z
audio: Messe à trois voix, Op. 12: V. Panis Angelicus (Poco lento)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.745
  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
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  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.912
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.042
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.495
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adagio in G Minor
type: MusicRecording
duration: PT8M37S
duration ms: 517826
explicit: false
by artist: Remo Giazotto
by artist: David Parry
by artist: London Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
isrc code: SEWDL9750027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:47:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb36406e879235c3225c53751be20653274bf619fb095a5610e114cfb3393911d
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/SEWDL9750027
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 0xb36406e879235c3225c53751be20653274bf619fb095a5610e114cfb3393911d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750027 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Adagio in G Minor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.265
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.098
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.932
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.016
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Gianni Schicchi: O mio babbino caro
type: MusicRecording
duration: PT3M2S
duration ms: 182973
explicit: false
by artist: Giacomo Puccini
by artist: Konrad Leitner
by artist: Renata Scotto
by artist: Slovak Philharmonic Orchestra
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
isrc code: SEWDL0572304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:11:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd3fa038083347db68c4e6db35b18dc56857e5041f4db5bc3c5301a07e68f56dd
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/SEWDL0572304
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 0xd3fa038083347db68c4e6db35b18dc56857e5041f4db5bc3c5301a07e68f56dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0572304 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Gianni Schicchi: O mio babbino caro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.895
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.156
  additional property: Energy
    type: PropertyValue
    value: 0.364
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.204
  additional property: Liveness
    type: PropertyValue
    value: 0.638
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.086
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bagatelle in A Minor, WoO 59 "Für Elise"
type: MusicRecording
duration: PT3M16S
duration ms: 196013
explicit: false
by artist: Ludwig van Beethoven
by artist: Finghin Collins
in album: The 100 Most Essential Pieces of Classical Music
  type: MusicAlbum
  date published: 2013-10-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: SEWDL9750022
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:26:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58e285b26db13234d2cfc08e739cb5491001bf4ec8dc176f3885d23e3e1e8c87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750022
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0x58e285b26db13234d2cfc08e739cb5491001bf4ec8dc176f3885d23e3e1e8c87. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750022 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Bagatelle in A Minor, WoO 59 "Für Elise"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.668
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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14 Romances, Op. 34: XIV. Vocalise
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subject of: OpenTimestamps Proof of Existence
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The Blue Danube, Op. 314
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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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Violino Clássico
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Le quattro stagioni, Violin Concerto No. 2 in G Minor, RV 315 "L'estate": I. Allegro non molto
track: Le quattro stagioni, Violin Concerto No. 2 in G Minor, RV 315 "L'estate": II. Adagio e piano - Presto e forte
track: Le quattro stagioni, Violin Concerto No. 2 in G Minor, RV 315 "L'estate": III. Presto
track: Le quattro stagioni, Violin Concerto No. 3 in F Major, RV 293 "L'autumno": II. Adagio molto
track: Le quattro stagioni, Violin Concerto No. 3 in F Major, RV 293 "L'autumno": III. Allegro
track: Le quattro stagioni, Violin Concerto No. 4 in F Minor, RV 297 "L'inverno": I. Allegro non molto
track: Le quattro stagioni, Violin Concerto No. 4 in F Minor, RV 297 "L'inverno": II. Largo
track: Peer Gynt Suite No. 2, Op. 55: Solveig's Song
track: Violin Concerto in D Major, Op. 77: I. Allegro non troppo
track: Carmen Concert Fantasy, Op. 25
track: Violin Partita No. 3 in E Major, BWV 1006: I. Preludio

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

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Le quattro stagioni, Violin Concerto No. 2 in G Minor, RV 315 "L'estate": I. Allegro non molto
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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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Le quattro stagioni, Violin Concerto No. 2 in G Minor, RV 315 "L'estate": III. Presto
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Le quattro stagioni, Violin Concerto No. 3 in F Major, RV 293 "L'autumno": II. Adagio molto
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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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Le quattro stagioni, Violin Concerto No. 3 in F Major, RV 293 "L'autumno": III. Allegro
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subject of: OpenTimestamps Proof of Existence
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Le quattro stagioni, Violin Concerto No. 4 in F Minor, RV 297 "L'inverno": I. Allegro non molto
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subject of: OpenTimestamps Proof of Existence
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Peer Gynt Suite No. 2, Op. 55: Solveig's Song
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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 0x945b77691f353b0f0920f394b36a2bde8951360e477c4b45da964c0eb57b85ea. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0759908 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Peer Gynt Suite No. 2, Op. 55: Solveig's Song
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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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Violin Concerto in D Major, Op. 77: I. Allegro non troppo
type: MusicRecording
duration: PT23M55S
duration ms: 1435826
explicit: false
by artist: Johannes Brahms
by artist: Eduardo Marturet
by artist: Borika Van Den Booren
by artist: Berliner Symphoniker
in album: Violino Clássico
  type: MusicAlbum
  date published: 2020-02-08
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: SEWDL0747801
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/SEWDL0747801
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90966d09af0f6ee88c399f826bcbd3058b12ab3cd27aea114c34eecbb33c5bce. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0747801 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Violin Concerto in D Major, Op. 77: I. Allegro non troppo
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  additional property: Musical Key
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  additional property: Danceability
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Carmen Concert Fantasy, Op. 25
type: MusicRecording
duration: PT13M22S
duration ms: 802000
explicit: false
by artist: Pablo de Sarasate
by artist: Klaus Arp
by artist: Ion Tanase
by artist: SWR Symphony Orchestra
in album: Violino Clássico
  type: MusicAlbum
  date published: 2020-02-08
isrc code: SEWDL0721802
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8e8f70e61063ecb99a68e8d5ba171793f8ef87f790fdb4eac9d64a257dc5e594
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0721802
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x8e8f70e61063ecb99a68e8d5ba171793f8ef87f790fdb4eac9d64a257dc5e594. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0721802 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Carmen Concert Fantasy, 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
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
type: MusicRecording
duration: PT3M32S
duration ms: 212160
explicit: false
by artist: Johann Sebastian Bach
by artist: Nobuko Imai
in album: Violino Clássico
  type: MusicAlbum
  date published: 2020-02-08
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: SEAEM0429080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xbc6cf2c91c0dc7b19c955dfab502dd4f8b61e58d536421b0fef316cc8206108c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEM0429080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xbc6cf2c91c0dc7b19c955dfab502dd4f8b61e58d536421b0fef316cc8206108c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEM0429080 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
  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: Valence (Positivity)
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Classical 101
type: MusicAlbum
date published: 2016-02-10
track: 3 Gymnopédies: I. Lent et douloureux
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220733
  explicit: false
  by artist: Erik Satie
  by artist: Finghin Collins
  in album: Classical 101
    type: MusicAlbum
    date published: 2016-02-10
  genre: classical
  genre: classical-piano
  genre: impressionism
  isrc code: SEWDL9750020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-05T06:27:24+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xfe69484264ade3528d47ce916a8a287556208d5f9346d30ec0f1605bec763ff4
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750020
  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 0xfe69484264ade3528d47ce916a8a287556208d5f9346d30ec0f1605bec763ff4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750020 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: 3 Gymnopédies: I. Lent et douloureux
    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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Classical Music from Peter Weir's Movies
type: MusicAlbum
date published: 2010-08-17
track: Suite No. 1 in G Major for Solo Cello, BWV 1007: I. Prelude
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136580
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Klaus-Peter Hahn
  in album: Classical Music from Peter Weir's Movies
    type: MusicAlbum
    date published: 2010-08-17
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEA580600612
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  additional property: CopyrightRegisteredAt
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    value: 2026-06-06T18:02:22+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x579d5084d238e85c4280594c3290490dfd0d6bfa7608284f1a04aaf52d9372b7
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    value: 956304
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    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA580600612
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579d5084d238e85c4280594c3290490dfd0d6bfa7608284f1a04aaf52d9372b7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA580600612 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Suite No. 1 in G Major for Solo Cello, BWV 1007: I. Prelude
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    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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      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.276
    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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50 Well-Loved Classical Pieces
type: MusicAlbum
date published: 2013-06-30
track: Miserere mei Deus
  type: MusicRecording
  duration: PT11M59S
  duration ms: 719133
  explicit: false
  by artist: Gregorio Allegri
  by artist: Various Artists
  by artist: Tenebrae
  in album: 50 Well-Loved Classical Pieces
    type: MusicAlbum
    date published: 2013-06-30
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  additional property: CopyrightID
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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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    value: 960321
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF0809205
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T22:27:30Z
  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 0x5b4d270a4851d3688d6a1b36969d6ec538386b149b298929e4ba522ee9e970af. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF0809205 — a six-check JSON result.
    date published: 2026-07-30T22:27:30Z
  audio: Miserere mei Deus
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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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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track: 3 Nocturnes, Op. 9: No. 2 in E-Flat Major
track: Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
track: Piano Concerto in A Minor, Op. 16: I. Allegro molto moderato
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Serenade No. 13 in G Major, K. 525 - "Eine kleine Nachtmusik": II. Romance - Andante
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3 Nocturnes, Op. 9: No. 2 in E-Flat Major
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Piano Concerto in A Minor, Op. 16: I. Allegro molto moderato
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Piano Concerto in A Minor, Op. 16: II. Adagio
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The 50 Most Essential Wagner Masterpieces
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Wagner Masterpieces
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The Essential German Opera
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Beethoven - Masterpiece Collection
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Beethoven: Concertos for Violin, Piano, Cello, & Romance for Violin and Orchestra
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Classical Chillout Vol. 3
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Focus Your Mind with Beethoven: 50 Tracks
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The Most Relaxing Classical Music In The Cosmos
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The Beethoven Christmas Collection
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Best of Operas
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The Great Musicians, Vol. 3
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Essential Classical Music
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Relaxing Classics (Vol. 3)
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80 Pieces of Classical Music for Inner Peace and Meditation
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The 50 Greatest Pieces for Violin
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Classical Music from Fantasy Films
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T05:17:02Z
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  by artist: Leonard Hokanson
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc954a462a78ce104b3d4c700effa347f13f7b3ba5c900b68e7882618c0906561. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0600004 — a six-check JSON result.
    date published: 2026-08-01T01:44:32Z
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track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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  additional property: OTSVerificationAPI
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  subject of: OpenTimestamps Proof of Existence
  audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 0x998dfd12fb08df920da6c02f0bd4827b49ab6cad28efc09e4400e79479ed5c3d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6018032 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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Wagner 200 Years - The Great Overtures
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date published: 2024-09-20
track: Die fliegende Holländer, WWV 63: Overture
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  by artist: Frank Shipway
  by artist: London Philharmonic Orchestra
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-31T23:30:38Z
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track: Lohengrin, WWV 75, Act I: Prelude
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Tristan and Isolde, WWV 90, Act I: Prelude

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4062291959cf1c1a2788b11c55ae05fed9ee4357034f2253dce44eb0366b13. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB790302943 — a six-check JSON result.
date published: 2026-07-31T04:14:58Z

Tristan and Isolde, WWV 90, Act I: Prelude
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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: Valence (Positivity)
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additional property: Loudness (dB)
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Violín clásico
type: MusicAlbum
date published: 2024-09-12

The World's Favorite Overtures
type: MusicAlbum
date published: 1988

Beethoven: Symphony No 5 & Schubert: Symphony No 8
type: MusicAlbum
date published: 1989-01-01