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genre: opera
description: thumb|Blythe at the Metropolitan Opera House in 2013 Stephanie Blythe (born 1970) is an American mezzo-soprano who has had an active international career in operas and concerts since the early 1990s.
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  track: Das Rheingold, WWV 86A / Vierte Szene: He da! He da! He do! - Rheingold! Rheingold!
  track: Die Walküre, WWV 86B / Erster Akt: Winterstürme wichen dem Wonnemond
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Das Rheingold, WWV 86A / Vierte Szene: Weiche, Wotan, weiche!
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Das Rheingold, WWV 86A / Vierte Szene: He da! He da! He do! - Rheingold! Rheingold!
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Die Walküre, WWV 86B / Erster Akt: Winterstürme wichen dem Wonnemond
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Danielpour: An American Requiem
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100 Best Baroque
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Ayres for the Theatre: Round 0 (The Prince of Denmark's March)
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Carmelite Vespers (1707) - (Second Vespers of the Feast of Our Lady of Mount Carmel, Psalm I: Dixit Dominus: Dixit Dominus Domino meo
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String Quintet in E major Op. 11 No. 5 (G275): Minuetto in A
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subject of: OpenTimestamps Proof of Existence
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Symphonies pour le Festin Royal du Comte d'Artois, Suite in G minor: Contredanse
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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A Suite of Theatre Music: II. Rondeau (Abdelazer, or The Moor's Revenge Z.570 No. 2)
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subject of: OpenTimestamps Proof of Existence
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Sonata in D Minor, Kk.9
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audio: Sonata in D Minor, Kk.9
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Marche de triomphe - 1999 Digital Remaster
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subject of: OpenTimestamps Proof of Existence
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audio: Marche de triomphe - 1999 Digital Remaster
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Spem in alium
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Stabat Mater pour soprano, contralto, cordes et basse continue: I. Stabat Mater dolorosa
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With lilies white (An elegy for Lady Magdalen Montague, d 1608)
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Madrigals, Book 8 (Madrigali guerrieri et amorosi...libro ottavo), Madrigali guerrieri: Altri canti d'amor
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Concerto in G Major for 2 mandolines & strings, RV 532: I. Allegro
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Dido and Aeneas: Overture
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Come ye sons of art, 1694, ode for Queen Mary (excerpts)
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Le Quattro Stagioni (from 'Il cimento dell'armonia e dell'inventione', Op. 8): Concerto No. 1 in E major RV269, 'La primavera'
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Miserere a 9
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Miserere a 9
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Solomon HWV67: Sinfonia: Act 3, The Arrival of the Queen of Sheba
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by artist: Andrew Parrott
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Messiah HWV56, Part 2: Hallelujah (Chorus)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Messiah HWV56, Part 2: Hallelujah (Chorus)
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The Four Seasons (from Il cimento dell'armonia e dell'inventione Op.8): Concerto No. 2 in G minor (L'estate/ Summer) RV315 (Op. 8 No. 2)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Four Seasons (from Il cimento dell'armonia e dell'inventione Op.8): Concerto No. 2 in G minor (L'estate/ Summer) RV315 (Op. 8 No. 2)
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Diferencias sobre las Folias - 1990 Digital Remaster
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Diferencias sobre las Folias - 1990 Digital Remaster
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Water Music Suite No.2 in D
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popularity: 14
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Water Music Suite No.2 in D
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Bach 100 Best
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track: Bach, JS: Toccata and Fugue in D Minor, BWV 565: Fugue
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100 x Klassik zu Ostern
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track: Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
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track: Martin y Col: Diferencias sobre las Folias
track: Anonymous: Ay luna que reluzes (No. 27 from Cancionero de Uppsala)

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Purcell: Abdelazer, Z. 570: II. Rondeau
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Tallis: Spem in alium
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by artist: Taverner Consort
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Tallis: Spem in alium
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Byrd: With Lilies White
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subject of: OpenTimestamps Proof of Existence
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audio: Byrd: With Lilies White
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Purcell: Dido and Aeneas, Z. 626: Overture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:04:01Z
audio: Purcell: Dido and Aeneas, Z. 626: Overture
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Purcell: Come Ye Sons of Art, Z. 323 "Ode for Queen Mary's Birthday" (Excerpts)
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  date published: 2026-07-06T06:56:49Z
audio: Purcell: Come Ye Sons of Art, Z. 323 "Ode for Queen Mary's Birthday" (Excerpts)
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Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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Buxtehude: Canzonetta in A Minor, BuxWV 225
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7148963558593daa3d1477c0fefe24ef4b97f520753e2ae3ed5716c4ad310f06. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8801650.
  date published: 2026-07-07T18:39:05Z
audio: Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Bach, JS: Concerto for Four Harpsichords in A Minor, BWV 1065: I. —
type: MusicRecording
duration: PT4M22S
duration ms: 262346
explicit: false
by artist: Johann Sebastian Bach
by artist: Bob van Asperen
by artist: Bernhard Klapprott
by artist: Carsten Lohff
by artist: Marcello Busi
by artist: Melante Amsterdam
in album: 100 x Klassik zu Ostern
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  date published: 2012-02-24
genre: classical
genre: classical-piano
isrc code: GBAYC9400198
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400198
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf466126cdc635a96e28bddc615c50a6a675d6cc43426e55d3e5fb6f27dd125. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400198.
  date published: 2026-07-07T16:07:00Z
audio: Bach, JS: Concerto for Four Harpsichords in A Minor, BWV 1065: I. —
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Bach, JS: Toccata and Fugue in D Minor, BWV 565: Toccata
type: MusicRecording
duration: PT2M34S
duration ms: 154413
explicit: false
by artist: Johann Sebastian Bach
by artist: Werner Jacob
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
genre: classical
genre: classical-piano
isrc code: DEA349202364
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/DEA349202364
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ecd4de9219a61193cadc8d231bb4b3d5c4590e0891e89008e19c989dc85e82. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349202364.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Toccata and Fugue in D Minor, BWV 565: Toccata
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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Bach, JS: Jauchzet Gott in allen Landen, BWV 51: No. 1, Aria. "Jauchzet Gott in allen Landen"
type: MusicRecording
duration: PT4M17S
duration ms: 257359
explicit: false
by artist: Johann Sebastian Bach
by artist: Monica Huggett
by artist: Ensemble Sonnerie
by artist: Nancy Argenta
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
genre: classical
genre: classical-piano
isrc code: GBAYC9301023
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/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301023
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3fd2e23ebef579bed8bc596f6d0504419c5e33b25b76e919da11f05c51f30e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301023.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Jauchzet Gott in allen Landen, BWV 51: No. 1, Aria. "Jauchzet Gott in allen Landen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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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: Valence (Positivity)
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Telemann: Ouverture-Suite for Flute and Strings in A Minor, TWV 55:a2: II. Les plaisirs I & II
type: MusicRecording
duration: PT2M37S
duration ms: 157800
explicit: false
by artist: Georg Philipp Telemann
by artist: David Munrow
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
isrc code: GBAYC9501016
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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710b886db5aaa20aa2a24a8d16b5acf9093e10048ee81db028187d0e0b60329d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501016.
  date published: 2026-07-02T11:38:34Z
audio: Telemann: Ouverture-Suite for Flute and Strings in A Minor, TWV 55:a2: II. Les plaisirs I & II
  type: AudioObject
  additional property: Tempo (BPM)
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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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Telemann: Oboe Concerto in F Minor, TWV 51:f1: II. Largo e piano
type: MusicRecording
duration: PT2M18S
duration ms: 138293
explicit: false
by artist: Georg Philipp Telemann
by artist: Han De Vries
by artist: Alma Musica Amsterdam
by artist: Bob van Asperen
by artist: Wouter Möller
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
isrc code: GBAYC8100226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8283ae68a2703739301bcfee719320cf3b706131b726bca104e89733f15f91. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100226.
  date published: 2026-07-08T03:53:27Z
audio: Telemann: Oboe Concerto in F Minor, TWV 51:f1: II. Largo e piano
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 30, Aria. "Es ist vollbracht"
type: MusicRecording
duration: PT5M52S
duration ms: 352426
explicit: false
by artist: Johann Sebastian Bach
by artist: John Nelson
by artist: Stephanie Blythe
by artist: Orchestre de chambre de Paris
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
genre: classical
genre: classical-piano
isrc code: GBAYC0003332
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:18:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb4b55371466a7e3c24f21332f8873f3791cec3c45d60f3ca8d60b038c43f3c4
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4b55371466a7e3c24f21332f8873f3791cec3c45d60f3ca8d60b038c43f3c4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003332.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 30, Aria. "Es ist vollbracht"
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  additional property: Mode (Major/Minor)
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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duration: PT4M27S
duration ms: 267093
explicit: false
by artist: Johann Sebastian Bach
by artist: Monica Huggett
by artist: Marion Scott
by artist: Rachel Beckett
by artist: Orchestra of the Age of Enlightenment
in album: 100 x Klassik zu Ostern
  type: MusicAlbum
  date published: 2012-02-24
genre: classical
genre: classical-piano
isrc code: GBAYC8801472
additional property: CopyrightID
additional property: CopyrightStatus
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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: 2026-07-08T03:53:27Z
audio: Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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duration: PT2M34S
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by artist: Johann Sebastian Bach
by artist: Ralph Kirshbaum
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genre: classical
genre: classical-piano
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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: 2026-07-08T03:22:41Z
audio: Bach, JS: Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Bach, JS: Magnificat in D Major, BWV 243: I. Chorus. "Magnificat anima mea Dominum"
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duration: PT2M59S
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by artist: Johann Sebastian Bach
by artist: Sigiswald Kuijken
by artist: La Petite Bande
by artist: Netherlands Chamber Choir
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genre: classical
genre: classical-piano
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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
audio: Bach, JS: Magnificat in D Major, BWV 243: I. Chorus. "Magnificat anima mea Dominum"
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Bach, JS: Orchestral Suite No. 4 in D Major, BWV 1069: V. Réjouissance
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by artist: Boston Early Music Festival Orchestra/Andrew Parrott
by artist: Andrew Parrott
by artist: Boston Early Music Festival Orchestra
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genre: classical
genre: classical-piano
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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
audio: Bach, JS: Orchestral Suite No. 4 in D Major, BWV 1069: V. Réjouissance
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Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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duration: PT2M33S
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by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Taverner Choir
by artist: Taverner Players
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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
audio: Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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Marcello: Concerto for Oboe and Strings in D Minor: II. Adagio
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duration: PT3M51S
duration ms: 231573
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by artist: Ray Still
by artist: Academy Of London
by artist: Richard Stamp
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genre: classical-era
genre: baroque
genre: italian-baroque
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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
audio: Marcello: Concerto for Oboe and Strings in D Minor: II. Adagio
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Boccherini: String Quintet in E Major, Op. 11 No. 5, G. 275: III. Minuetto
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by artist: Europa Galante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Boccherini: String Quintet in E Major, Op. 11 No. 5, G. 275: III. Minuetto
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Scarlatti, D: Keyboard Sonata in D Minor, Kk. 9 "Pastorale"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Scarlatti, D: Keyboard Sonata in D Minor, Kk. 9 "Pastorale"
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Pergolesi: Stabat Mater: I. Stabat mater dolorosa
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by artist: Gérard Lesne
by artist: Il Seminario Musicale
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pergolesi: Stabat Mater: I. Stabat mater dolorosa
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Vivaldi: Concerto for Two Mandolins in G Major, RV 532: I. Allegro
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by artist: Giovanni Scaramuzzino
by artist: Sonia Maurer
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: I. Allegro
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Tartini: Violin Sonata in G Minor "Devil's Trill" (Orch. Dupin)
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by artist: Orchestre d'Auvergne
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Tartini: Violin Sonata in G Minor "Devil's Trill" (Orch. Dupin)
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Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring"
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Victoria: Officium Hebdomadae Sanctae, Sabbato Sancto: Responsorium II. "O vos omnes"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Victoria: Officium Hebdomadae Sanctae, Sabbato Sancto: Responsorium II. "O vos omnes"
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Martin y Col: Diferencias sobre las Folias
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by artist: Jordi Savall
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Martin y Col: Diferencias sobre las Folias
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Anonymous: Ay luna que reluzes (No. 27 from Cancionero de Uppsala)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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Handel Hits
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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: 2026-07-08T03:22:41Z
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track: Gloria in excelsis Deo, HWV. 245
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  audio: Gloria in excelsis Deo, HWV. 245
track: Harpsichord Suite No. 4 in D Minor, HWV. 437: III. Sarabande
track: Berenice, HWV. 38: Minuet
track: Giulio Cesare, HWV. 17 'Julius Caesar' Act I: Son nata a lagrimar
track: Zadok the Priest, HWV. 258 'Coronation Anthem'

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:55:08Z

Gloria in excelsis Deo, HWV. 245
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Harpsichord Suite No. 4 in D Minor, HWV. 437: III. Sarabande
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Harpsichord Suite No. 4 in D Minor, HWV. 437: III. Sarabande
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Berenice, HWV. 38: Minuet
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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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Giulio Cesare, HWV. 17 'Julius Caesar' Act I: Son nata a lagrimar
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subject of: OpenTimestamps Proof of Existence
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Zadok the Priest, HWV. 258 'Coronation Anthem'
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Baroque Arias
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Zen voices
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Berlioz: Les Nuits d'été, Op. 7, H 81b: II. Le spectre de la rose, H 83b
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Vivaldi: Giustino, RV 717, Act 1: "Vedrò con mio diletto" (Anastasio)
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Les Pêcheurs de perles: A cette voix quel trouble... Je crois entendre encore (Nadir)
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Glière: Concerto for Soprano Coloratura, Op. 82: I. Andante
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Purcell: Oedipus, Z. 583: No. 2, Song. "Musick for a While" (Version for Voice and Guitar)
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Fauré: Cantique de Jean Racine, Op. 11
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Brahms: 5 Songs, Op. 104: III. Letztes Glück
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Brahms: 5 Songs, Op. 104: III. Letztes Glück
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Handel: Messiah, HWV 56, Pt. 1, Scene 1: Accompagnato. "Comfort Ye My People"
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by artist: Andrew Parrott
by artist: Joseph Cornwell
by artist: Taverner Players
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Handel: Messiah, HWV 56, Pt. 1, Scene 1: Accompagnato. "Comfort Ye My People"
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Catalani: La Wally, Act 1: Aria. "Ebben? Ne andrò lontana" (La Wally)
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by artist: Barbara Hendricks
by artist: Paavo Järvi
by artist: Orchestre Philharmonique de Radio France
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Catalani: La Wally, Act 1: Aria. "Ebben? Ne andrò lontana" (La Wally)
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Ravel: Shéhérazade, M. 41: III. L'indifférent
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by artist: Philharmonia Orchestra
by artist: Libor Pešek
by artist: Kenneth Smith
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genre: classical
genre: impressionism
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genre: post-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ravel: Shéhérazade, M. 41: III. L'indifférent
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Messa Da Requiem : Libera Me - Requiem
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Messa Da Requiem : Libera Me - Requiem
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Verdi: La forza del destino, Act 2 Scene 10: Finale, "La Vergine degli Angeli" (Leonora, Chorus)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Verdi: La forza del destino, Act 2 Scene 10: Finale, "La Vergine degli Angeli" (Leonora, Chorus)
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Chanson perpétuelle Op. 37
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Chanson perpétuelle Op. 37
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Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Puccini: Gianni Schicchi: "O mio babbino caro" (Lauretta)
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Mozart: Ave verum corpus, K. 618
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:18:56Z
audio: Mozart: Ave verum corpus, K. 618
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L'invitation Au Voyage
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by artist: Francois Le Roux
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by artist: John Nelson
by artist: Orchestre Philharmonic de Monte-Carlo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: L'invitation Au Voyage
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Canteloube: Chants d'Auvergne, Book 1: No. 2, Baïlèro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Canteloube: Chants d'Auvergne, Book 1: No. 2, Baïlèro
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Grieg: Peer Gynt, Op. 23, Act 4: No. 18, Solveig's Song
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by artist: Estonian National Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Grieg: Peer Gynt, Op. 23, Act 4: No. 18, Solveig's Song
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Mahler: Lieder eines fahrenden Gesellen: No. 1, Wenn mein Schatz Hochzeit macht
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Mahler: Lieder eines fahrenden Gesellen: No. 1, Wenn mein Schatz Hochzeit macht
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Debussy: Chansons de Bilitis, Musique de scène, CD 102, L. 96: XII. La pluie du matin
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Debussy: Chansons de Bilitis, Musique de scène, CD 102, L. 96: XII. La pluie du matin
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Stravinsky: Pulcinella: II. Serenata. “Mentre l’erbetta”
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by artist: City of London Sinfonia
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87f7757fb135cb6223e5b41d621922ff2236e36817a1c558d5533863116c1087. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805703.
  date published: 2026-07-08T03:53:27Z
audio: Stravinsky: Pulcinella: II. Serenata. “Mentre l’erbetta”
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Strauss, R: 8 Lieder, Op. 49: No. 1, Waldseligkeit (Version with Orchestra)
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duration: PT2M55S
duration ms: 175360
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by artist: Richard Strauss
by artist: Gundula Janowitz
by artist: Academy Of London
by artist: Richard Stamp
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genre: classical
genre: opera
genre: orchestra
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additional property: CopyrightID
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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/GBAYC8902339
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34a06f7d50c16e399174b57c33f7b912519f302d696fd65cf05ab4df19795d9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8902339.
  date published: 2026-07-08T03:22:41Z
audio: Strauss, R: 8 Lieder, Op. 49: No. 1, Waldseligkeit (Version with Orchestra)
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Orff: Carmina Burana, Pt. 3, Cour d'amours: In trutina
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duration: PT2M43S
duration ms: 163960
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by artist: Carl Orff
by artist: David Hill
by artist: Janice Watson
by artist: Bournemouth Symphony Orchestra
in album: Zen voices
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Orff: Carmina Burana, Pt. 3, Cour d'amours: In trutina
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Anonymous: Veni Creator Spiritus
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duration: PT3M9S
duration ms: 189173
explicit: false
by artist: Anonymous
by artist: Monks And Choirboys Of Downside Abbey
by artist: Peter Matthews
in album: Zen voices
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  date published: 2010-04-05
isrc code: GBAAA9901607
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Anonymous: Veni Creator Spiritus
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Funeral Music
type: MusicAlbum
date published: 2004-10-15
track: Barber: Agnus Dei (After Adagio for Strings, Op. 11)
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  by artist: Winchester Cathedral Choir
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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: 2026-07-06T07:16:32Z
  audio: Barber: Agnus Dei (After Adagio for Strings, Op. 11)
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track: Chopin / Orch. Elgar: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento
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  by artist: London Philharmonic Orchestra
  by artist: Sir Adrian Boult
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  genre: classical
  genre: early-romantic-era
  genre: polish-classical
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
  audio: Chopin / Orch. Elgar: Piano Sonata No. 2 in B-Flat Minor, Op. 35 "Funeral March": III. Marche funèbre. Lento
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track: Mozart: Maurerische Trauermusik, K. 477
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  by artist: London Classical Players
  by artist: Sir Roger Norrington
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    date published: 2004-10-15
  genre: classical
  genre: classical-era
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  subject of: OpenTimestamps Proof of Existence
  audio: Mozart: Maurerische Trauermusik, K. 477
track: Mozart: Requiem in D Minor, K. 626: I. Introitus
track: Mozart: Requiem in D Minor, K. 626: II. Kyrie
track: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
track: Fauré: Pavane, Op. 50
track: Grieg: Peer Gynt, Op. 23, Act 3: No. 12, The Death of Åse

OTSHash
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OTSBitcoinBlock
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value: 957120

OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100890

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd25b133653c5247c3cdd89546204e86bd338d8ac08383e8752b93d5eea2f7ba3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9100890.
date published: 2026-07-08T03:22:41Z

Mozart: Maurerische Trauermusik, K. 477
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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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additional property: Key Name
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additional property: Mode Name
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Mozart: Requiem in D Minor, K. 626: I. Introitus
type: MusicRecording
duration: PT4M11S
duration ms: 251853
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Efrat Ben Nun
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: Funeral Music
  type: MusicAlbum
  date published: 2004-10-15
genre: classical
genre: classical-era
isrc code: GBAYC9503466
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/GBAYC9503466
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e260f1b45417fe10d1f4527e7424eb94d9b9b95c718dafa70631f9bbf4ac216. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503466.
  date published: 2026-07-08T03:22:41Z
audio: Mozart: Requiem in D Minor, K. 626: I. Introitus
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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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Mozart: Requiem in D Minor, K. 626: II. Kyrie
type: MusicRecording
duration: PT2M22S
duration ms: 142693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: Funeral Music
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  date published: 2004-10-15
genre: classical
genre: classical-era
isrc code: GBAYC9503467
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b6f6dbe99759a286e30f8bb9e5181383f979136e5c92fbd07a6d180f292f02. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503467.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Requiem in D Minor, K. 626: II. Kyrie
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  additional property: Acousticness
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Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
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duration: PT3M16S
duration ms: 196133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: Funeral Music
  type: MusicAlbum
  date published: 2004-10-15
genre: classical
genre: classical-era
isrc code: GBAYC9503474
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
  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: Valence (Positivity)
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Fauré: Pavane, Op. 50
type: MusicRecording
duration: PT5M33S
duration ms: 333373
explicit: false
by artist: Gabriel Fauré
by artist: Paul Tortelier
by artist: English Chamber Orchestra
in album: Funeral Music
  type: MusicAlbum
  date published: 2004-10-15
isrc code: GBAYC8700232
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8700232
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe52f6e4f0c920154e7eb3128e2d7139d86a1d04d298bf82f139039e3969873. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8700232.
  date published: 2026-07-08T03:22:41Z
audio: Fauré: Pavane, Op. 50
  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
    type: PropertyValue
    value: 5
  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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Grieg: Peer Gynt, Op. 23, Act 3: No. 12, The Death of Åse
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duration: PT4M56S
duration ms: 296173
explicit: false
by artist: Edvard Grieg
by artist: Berliner Philharmoniker/Jeffrey Tate
by artist: Jeffrey Tate
by artist: Berliner Philharmoniker
in album: Funeral Music
  type: MusicAlbum
  date published: 2004-10-15
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: GBAYC9000067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T13:39:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000067
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0829a8ecfdc54c4f770b416000382353e03f2904f1047ef039d061d1163fb923. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000067.
  date published: 2026-07-08T03:22:41Z
audio: Grieg: Peer Gynt, Op. 23, Act 3: No. 12, The Death of Åse
  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: 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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The Very Best Of Handel
type: MusicAlbum
date published: 2007-02-12
track: Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande
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  duration: PT3M27S
  duration ms: 207173
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  by artist: George Frideric Handel
  by artist: Alexander Briger
  by artist: Academy of St. Martin in the Fields
  in album: The Very Best Of Handel
    type: MusicAlbum
    date published: 2007-02-12
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x439d04fb7e3eedc6ccb88ce840243d20ef5d81905cbcfc48dc1ac9e48bba6944. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201575.
    date published: 2026-07-08T03:22:41Z
  audio: Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande
    type: AudioObject
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    additional property: Mode (Major/Minor)
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track: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
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  by artist: George Frideric Handel
  by artist: William Christie
  by artist: Anne Sofie von Otter
  by artist: Les Arts Florissants
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  genre: early-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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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track: Handel: Solomon, HWV 67, Act 3: Sinfonia "The Arrival of the Queen of Sheba"
track: Handel: Music for the Royal Fireworks, HWV 351: IV. La réjouissance

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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81c2f89d98ea6cdcaa60ceb7ec4ca0cc70b433dab0c7d01a97a39c0e293e2b5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9400384.
  date published: 2026-07-08T08:56:20Z
audio: Handel: Organ Concerto in G Minor, Op. 4 No. 3, HWV 291: III. Adagio
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Handel: Organ Concerto in G Minor, Op. 4 No. 3, HWV 291: IV. Allegro
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duration: PT2M2S
duration ms: 122240
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by artist: George Frideric Handel
by artist: Bob van Asperen/Catherine Mackintosh/Timothy Mason/Orchestra of the Age of Enlightenment
by artist: Bob van Asperen
by artist: Orchestra of the Age of Enlightenment
in album: The Very Best Of Handel
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Handel: Organ Concerto in G Minor, Op. 4 No. 3, HWV 291: IV. Allegro
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Handel: Messiah, HWV 56, Pt. 3, Scene 2: Aria. "The Trumpet Shall Sound"
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duration: PT8M51S
duration ms: 531080
explicit: false
by artist: George Frideric Handel
by artist: Andrew Parrott
by artist: David Thomas
by artist: Taverner Players
in album: The Very Best Of Handel
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Handel: Messiah, HWV 56, Pt. 3, Scene 2: Aria. "The Trumpet Shall Sound"
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Handel: Solomon, HWV 67, Act 3: Sinfonia "The Arrival of the Queen of Sheba"
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duration: PT2M47S
duration ms: 167813
explicit: false
by artist: George Frideric Handel
by artist: Andrew Parrott
by artist: Taverner Players
in album: The Very Best Of Handel
  type: MusicAlbum
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:22:41Z
audio: Handel: Solomon, HWV 67, Act 3: Sinfonia "The Arrival of the Queen of Sheba"
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Handel: Music for the Royal Fireworks, HWV 351: IV. La réjouissance
type: MusicRecording
duration: PT2M49S
duration ms: 169000
explicit: false
by artist: George Frideric Handel
by artist: Cappella Coloniensis/Hans-Martin Linde
by artist: Hans-Martin Linde
by artist: Cappella Coloniensis
in album: The Very Best Of Handel
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genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Handel: Music for the Royal Fireworks, HWV 351: IV. La réjouissance
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Opera Classics
type: MusicAlbum
date published: 2017-05-11
track: Roméo et Juliette, CG. 9, Act I: Je veux vivre (Juliet)
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T08:56:20Z
  audio: Roméo et Juliette, CG. 9, Act I: Je veux vivre (Juliet)
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track: Les Pêcheurs de perles, WD. 13, Act I: Au fond du temple saint
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: La Wally, Act I: Ebben? ne andrò lontana
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  subject of: OpenTimestamps Proof of Existence
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track: Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
track: The Barber of Seville, Act I Scene 1: Largo al factotum
track: Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)

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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

La Wally, Act I: Ebben? ne andrò lontana
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Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
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by artist: Choeurs de l'Opéra National de Paris
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Carmen, WD. 31, Act II: Votre toast (Toreador's Song)
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The Barber of Seville, Act I Scene 1: Largo al factotum
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Barber of Seville, Act I Scene 1: Largo al factotum
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Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Orfeo ed Euridice, Wq. 30, Act III: Che farò senza Euridice? (Orfeo)
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50 Best Handel
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:16:32Z
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track: Handel: Arminio, HWV 36, Act 2: Aria. "Duri lacci, voi non siete" (Arminio)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Handel: Water Music, Suite No. 2 in D Major, HWV 349: III. Menuet
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  subject of: OpenTimestamps Proof of Existence
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track: Handel: Giulio Cesare in Egitto, HWV 17, Act 1: Duetto. "Son nata a lagrimar" (Cornelia, Sesto)

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Handel: Water Music, Suite No. 2 in D Major, HWV 349: III. Menuet
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Handel: Giulio Cesare in Egitto, HWV 17, Act 1: Duetto. "Son nata a lagrimar" (Cornelia, Sesto)
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  date published: 2026-07-08T03:53:27Z
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100 Best Handel
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Wagner: Der Ring des Nibelungen
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:50:38Z
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Génération Opéra
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Altus: From Castrato to Countertenor
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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The Legend of Sacred Music
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Classical Arias
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    date published: 2026-07-08T03:22:41Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Lakmé, Act I: Flower Duet
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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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additional property: Key Name
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additional property: Mode Name
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Pagliacci, Act I: Recitar! Vesti la giubba (Canio)
type: MusicRecording
duration: PT3M55S
duration ms: 235200
explicit: false
by artist: Ruggero Leoncavallo
by artist: José Carreras
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
in album: Classical Arias
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  date published: 2016-10-19
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBAYC8701297
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79547d97d49daba54d1a411268977d2a766ec5c12fb2ecd7efd9a93a2257312. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8701297.
  date published: 2026-07-08T08:56:20Z
audio: Pagliacci, Act I: Recitar! Vesti la giubba (Canio)
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La Traviata, Act I: Libiamo ne'lieti calici
type: MusicRecording
duration: PT3M9S
duration ms: 189480
explicit: false
by artist: Giuseppe Verdi
by artist: Aldo Ceccato
by artist: Beverly Sills
by artist: John Alldis Choir
by artist: Nicolai Gedda
by artist: Rolando Panerai
by artist: Royal Philharmonic Orchestra
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  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: opera
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additional property: CopyrightID
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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/GBAYC8806268
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f57dde046e31017f154d87aae3ebde06803fb50a8e0caa96d1642e91ca3ed8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8806268.
  date published: 2026-07-08T08:56:20Z
audio: La Traviata, Act I: Libiamo ne'lieti calici
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Norma, Act I: Casta Diva
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duration: PT5M37S
duration ms: 337173
explicit: false
by artist: Vincenzo Bellini
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Maria Callas
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Tullio Serafin
in album: Classical Arias
  type: MusicAlbum
  date published: 2016-10-19
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a76d7fad859b8e519fab95eacf7d5de99aac7bcd341367caadf45e2cee2a10a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9702225.
  date published: 2026-07-08T08:56:20Z
audio: Norma, Act I: Casta Diva
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  additional property: Tempo (BPM)
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  additional property: Danceability
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La Bohème, Act I: Che gelida manina
type: MusicRecording
duration: PT4M41S
duration ms: 281493
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Rolando Panerai
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Giuseppe Di Stefano
by artist: Antonino Votto
in album: Classical Arias
  type: MusicAlbum
  date published: 2016-10-19
isrc code: ITD008800068
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x455f67869e94eab5daf18727d9f5621fae41c9a4398b0994d2126c7b644d6518. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD008800068.
  date published: 2026-07-08T03:53:27Z
audio: La Bohème, Act I: Che gelida manina
  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
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Ave Maria
type: MusicRecording
duration: PT4M21S
duration ms: 261079
explicit: false
by artist: Philippe Rombi
by artist: Natalie Dessay
by artist: London Symphony Orchestra
in album: Classical Arias
  type: MusicAlbum
  date published: 2016-10-19
isrc code: GBAYC0501205
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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8856f1fc8a5a3552fb74cbfec924c2aeeaeb57cbe2e85a8700712ea82b01a6e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0501205.
  date published: 2026-07-08T08:56:20Z
audio: Ave Maria
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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
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Die Zauberflöte, K. 620, Act II: Der Hölle Rache
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duration: PT2M51S
duration ms: 171160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Edita Gruberova
by artist: Bavarian Radio Symphony Orchestra
in album: Classical Arias
  type: MusicAlbum
  date published: 2016-10-19
genre: classical
genre: classical-era
isrc code: GBAYC8100313
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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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/GBAYC8100313
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9a9d07c43c9a816fba793b0176a11931b67f991e5620711c21a65bf3b7f079. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100313.
  date published: 2026-07-08T03:53:27Z
audio: Die Zauberflöte, K. 620, Act II: Der Hölle Rache
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Madama Butterfly, Act II: Un bel di vedremo
type: MusicRecording
duration: PT4M37S
duration ms: 277773
explicit: false
by artist: Giacomo Puccini
by artist: Gabriele Santini
by artist: Victoria de los Ángeles
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: Classical Arias
  type: MusicAlbum
  date published: 2016-10-19
isrc code: GBAYC5900300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bf2bca63a2710fe841131a0b2064621ca76a574fb21af36507e00a2fe359b64
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf2bca63a2710fe841131a0b2064621ca76a574fb21af36507e00a2fe359b64. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC5900300.
  date published: 2026-07-08T03:22:41Z
audio: Madama Butterfly, Act II: Un bel di vedremo
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  additional property: Tempo (BPM)
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Rusalka, Op. 114, Act I: Song to the Moon
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subject of: OpenTimestamps Proof of Existence
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La Traviata, Act I: È strano! È strano!
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subject of: OpenTimestamps Proof of Existence
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Il Barbiere di Siviglia, Act I: Una voce poco fà
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Messiah, HWV. 56, Part III: I know that my Redeemer liveth
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  date published: 2026-07-08T03:20:19Z
audio: Messiah, HWV. 56, Part III: I know that my Redeemer liveth
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Carmen Suite No. 2: II. Habanera
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  date published: 2026-07-08T03:20:19Z
audio: Carmen Suite No. 2: II. Habanera
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Carmen, WD. 31, Act I: C'est très bien...Près des remparts de Séville (Seguidilla)
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  date published: 2026-07-08T03:22:41Z
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Die Zauberflöte, K. 620, Act II: O Isis und Osiris
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