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genre: opera
description: Peter Glossop (6 July 1928 – 7 September 2008) was an English baritone who was the only Englishman to have sung Verdi's great tragic baritone roles at La Scala, Milan. He rose from humble beginnings i
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subject of: OpenTimestamps Proof of Existence
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  date published: 1970-01-01
  track: Les Troyens / Act 1: No. 1 Choeur de la populace troyenne: "Ha! Ha! Après dix ans"
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    by artist: Wandsworth School Boys Choir
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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  track: Les Troyens / Act 4: No. 29 Chasse royale et orage - Pantomime
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T15:20:15Z
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  track: Les Troyens / Act 1: "Chorèbe..." - No. 3 Duo: "C'est lui!" - "Quitte-nous dès ce soir"
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  track: Les Troyens / Act 2: No. 16 Final: "Complices de sa gloire" - "Le trésor! le trésor!"
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  track: Les Troyens / Act 5: No. 45 Scène: "Va, ma soeur, l'implorer"
  track: Les Troyens / Act 1: No. 11 Final: Marche troyenne: "De mes sens éperdus..."
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album: Joseph Rouleau: Hommage
album: Stravinsky: Ballets/Stage Works/Orchestral Works
album: Purcell: Dido and Aeneas, Z. 626
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album: 100 Best Operetta
album: Otello
album: Beverly Sills - The Great Recordings
album: Britten conducts Britten: Opera Vol.1
album: Britten: Billy Budd/The Holy Sonnets of John Donne etc.
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album: Rigoletto
album: ll Trovatore (highlights in English)
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album: Mozart: Le nozze di Figaro, K. 492, Act III: "Hai gia vinto la causa?" (Il Conte d'Almaviva)
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album: Merrie England
album: Ernani
album: Lilac Time
album: The World of Britten
album: Selección Clásicos - Gluck, Verdi, Wagner
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album: Stars Of The Old Vic & Sadlers Wells
album: June Bronhill Sings La Vie Parisienne & Merrie England (Original Cast Recording)
album: Merrie England, Vol. 1
album: Merrie England, Vol. 2
album: International competition for young opera singers, Sofia 1961

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Les Troyens / Act 1: No. 2 Récitatif et air: "Les Grecs ont disparu" - "Malheureux roi!"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:48:30Z
audio: Les Troyens / Act 1: No. 2 Récitatif et air: "Les Grecs ont disparu" - "Malheureux roi!"
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Les Troyens / Act 1: "Chorèbe..." - No. 3 Duo: "C'est lui!" - "Quitte-nous dès ce soir"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Les Troyens / Act 1: "Chorèbe..." - No. 3 Duo: "C'est lui!" - "Quitte-nous dès ce soir"
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  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.081
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.325
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Troyens / Act 1: No. 4 Marche et hymne: "Dieux protecteurs"
type: MusicRecording
duration: PT5M44S
duration ms: 344493
explicit: false
by artist: Hector Berlioz
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Wandsworth School Boys Choir
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 1
genre: classical
genre: orchestra
isrc code: NLA506900563
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:21:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d5a8c2471d7e0bf1a264cb79349287722522b160e5949942c39d219c97024e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900563
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5a8c2471d7e0bf1a264cb79349287722522b160e5949942c39d219c97024e5. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900563.
  date published: 2026-07-31T23:51:35Z
audio: Les Troyens / Act 1: No. 4 Marche et hymne: "Dieux protecteurs"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.69
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.616
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.219
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Troyens / Act 1: No. 5 Combat de ceste - Pas de lutteurs
type: MusicRecording
duration: PT1M34S
duration ms: 94306
explicit: false
by artist: Hector Berlioz
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 1
genre: classical
genre: orchestra
isrc code: NLA506900564
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:16:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8783594b64b249ffb96643a788445a4e6e3a6f402c85078bb04f72081894dc0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900564
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8783594b64b249ffb96643a788445a4e6e3a6f402c85078bb04f72081894dc0f. 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/NLA506900564.
  date published: 2026-07-08T03:20:19Z
audio: Les Troyens / Act 1: No. 5 Combat de ceste - Pas de lutteurs
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.335
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.824
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.166
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Troyens / Act 2: No. 16 Final: "Complices de sa gloire" - "Le trésor! le trésor!"
type: MusicRecording
duration: PT5M20S
duration ms: 320866
explicit: false
by artist: Hector Berlioz
by artist: Berit Lindholm
by artist: Dennis Wicks
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 0
genre: classical
genre: orchestra
isrc code: NLA506900575
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:39:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x374e2f9441a09043579c3719fc7d4b1e0f772b8a020f38b5261646489add4731
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900575
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374e2f9441a09043579c3719fc7d4b1e0f772b8a020f38b5261646489add4731. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/NLA506900575.
  date published: 2026-07-31T15:59:18Z
audio: Les Troyens / Act 2: No. 16 Final: "Complices de sa gloire" - "Le trésor! le trésor!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.153
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.3
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.018
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.202
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.807
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les Troyens / Act 1: No. 6 Pantomime: "Andromaque et son fils!"
type: MusicRecording
duration: PT6M56S
duration ms: 416026
explicit: false
by artist: Hector Berlioz
by artist: Wandsworth School Boys Choir
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 1
genre: classical
genre: orchestra
isrc code: NLA506900565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:34:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64f9c2b1cd79c40b38098896c5d752a011305be600f91d26228d44c2a2b26cb7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900565
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64f9c2b1cd79c40b38098896c5d752a011305be600f91d26228d44c2a2b26cb7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900565.
  date published: 2026-07-31T23:30:38Z
audio: Les Troyens / Act 1: No. 6 Pantomime: "Andromaque et son fils!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.721
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.811
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.615
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Troyens / Act 1: No. 8 Ottetto et double choeur: "Châtiment effroyable!"
type: MusicRecording
duration: PT6M20S
duration ms: 380000
explicit: false
by artist: Hector Berlioz
by artist: Pierre Thau
by artist: Anthony Raffell
by artist: Peter Glossop
by artist: Jon Vickers
by artist: David Lennox
by artist: Berit Lindholm
by artist: Anne Howells
by artist: Elizabeth Bainbridge
by artist: Wandsworth School Boys Choir
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 0
genre: classical
genre: orchestra
isrc code: NLA506900567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:42:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecfbf879473342847c4e18197f4a88b924d05f427d305f97e10e72bc4ce48313
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900567
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecfbf879473342847c4e18197f4a88b924d05f427d305f97e10e72bc4ce48313. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900567.
  date published: 2026-07-31T23:30:38Z
audio: Les Troyens / Act 1: No. 8 Ottetto et double choeur: "Châtiment effroyable!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.149
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.183
  additional property: Energy
    type: PropertyValue
    value: 0.352
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.083
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.579
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Troyens / Act 5: No. 45 Scène: "Va, ma soeur, l'implorer"
type: MusicRecording
duration: PT3M6S
duration ms: 186866
explicit: false
by artist: Hector Berlioz
by artist: Josephine Veasey
by artist: Heather Begg
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 3
genre: classical
genre: orchestra
isrc code: NLA506900606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:10:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7a94e7fb81134be1f95ce05552a7e825d5d1eda1124b363cae5f111abe26882
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506900606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a94e7fb81134be1f95ce05552a7e825d5d1eda1124b363cae5f111abe26882. 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/NLA506900606.
  date published: 2026-07-08T03:20:19Z
audio: Les Troyens / Act 5: No. 45 Scène: "Va, ma soeur, l'implorer"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.025
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.79
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Troyens / Act 1: No. 11 Final: Marche troyenne: "De mes sens éperdus..."
type: MusicRecording
duration: PT7M9S
duration ms: 429333
explicit: false
by artist: Hector Berlioz
by artist: Berit Lindholm
by artist: Wandsworth School Boys Choir
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
  type: MusicAlbum
  date published: 1970-01-01
popularity: 0
genre: classical
genre: orchestra
isrc code: NLA506900570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:05:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fe1e77f51dbc24beb59308c88feb1477b7e35d8324019baeb0f9108c97ee273
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Les Troyens / Act 1: No. 11 Final: Marche troyenne: "De mes sens éperdus..."
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Les Troyens / Act 4: No. 37 Duo: "Nuit d'ivresse et d'extase"
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duration: PT10M5S
duration ms: 605866
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by artist: Hector Berlioz
by artist: Josephine Veasey
by artist: Jon Vickers
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Sir Colin Davis
in album: Berlioz: Les Troyens (The Trojans)
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  date published: 1970-01-01
popularity: 1
genre: classical
genre: orchestra
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additional property: CopyrightStatus
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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
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Les Troyens / Act 4: No. 37 Duo: "Nuit d'ivresse et d'extase"
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Joseph Rouleau: Hommage
type: MusicAlbum
date published: 2011-03-15

Stravinsky: Ballets/Stage Works/Orchestral Works
type: MusicAlbum
date published: 2001-01-01
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  by artist: Orchestre de la Suisse Romande
  by artist: Ernest Ansermet
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    date published: 2001-01-01
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075710651
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-30T06:39:12Z
  audio: Petrouchka - Version 1911 / Tableau I - The Shrovetide Fair: The Shrovetide Fair
    type: AudioObject
    additional property: Tempo (BPM)
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Purcell: Dido and Aeneas, Z. 626
type: MusicAlbum
date published: 1966-01-01

Essential Baroque
type: MusicAlbum
date published: 2009-08-03
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-02T03:55:08Z
  audio: Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon (Orchestral Version)
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track: Handel: Solomon, HWV 67, Act 3: Sinfonia "The Arrival of the Queen of Sheba"
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  by artist: Sir Neville Marriner
  by artist: Academy of St. Martin in the Fields
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    type: MusicAlbum
    date published: 2009-08-03
  popularity: 2
  genre: classical
  genre: opera
  genre: early-music
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  genre: english-baroque
  genre: german-baroque
  genre: choral
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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track: Albinoni: Adagio in G Minor
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  by artist: Sir Neville Marriner
  by artist: Academy of St. Martin in the Fields
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  popularity: 2
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Albinoni: Adagio in G Minor
track: Clarke / Arr. Defaye: Suite in D Major: Prince of Denmark's March "Trumpet Voluntary"
track: Bach, JS: Toccata and Fugue in D Minor, BWV 565: Toccata
track: Miserere mei, Deus - 1993 Remastered Version
track: Orfeo ed Euridice (1992 Digital Remaster): Ballet in D Minor (Dance of the Blessed Spirits)
track: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: No. 10, Choral. "Jesus bleibet meine Freude"
track: Purcell: Abdelazer, Z. 570: II. Rondeau
track: Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
track: Corelli: Concerto Grosso En Sol Mineur, G Minor Op.6 N°8 "Pour La Nuit De Noël" VI. Pastorale: Largo - Remasterisé En 1996
track: Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
track: Bach, JS: Wachet auf, ruft uns die Stimme, BWV 140: No. 4, Choral. "Zion hört die Wächter singen"

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OTSBitcoinBlock
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value: 957118

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602188

OTSTimestamp
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value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77566f2ff3ced0ec407f474852a7dd47d707b85405198ac22bbe399e877f4441. 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/GBAYC8602188.
date published: 2026-07-08T03:20:19Z

Albinoni: Adagio in G Minor
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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Clarke / Arr. Defaye: Suite in D Major: Prince of Denmark's March "Trumpet Voluntary"
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by artist: Maurice André
by artist: Jane Parker-Smith
in album: Essential Baroque
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  date published: 2009-08-03
popularity: 1
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4ce12dbde93b1780e6bfd23e6ab2cf7de010f0a510977af3d6e1399ff99309. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8701652.
  date published: 2026-07-31T16:07:24Z
audio: Clarke / Arr. Defaye: Suite in D Major: Prince of Denmark's March "Trumpet Voluntary"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  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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    value: 0.676
  additional property: Instrumentalness
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    value: 0.798
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.881
  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
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Bach, JS: Toccata and Fugue in D Minor, BWV 565: Toccata
type: MusicRecording
duration: PT3M22S
duration ms: 202733
explicit: false
by artist: Johann Sebastian Bach
by artist: Wayne Marshall
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBAYC8800390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-01-28T21:01:10+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe1310e3ec033f4d19bcc339518b65490b9023e1f01a7c99a274491eeb1d5f863
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8800390
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1310e3ec033f4d19bcc339518b65490b9023e1f01a7c99a274491eeb1d5f863. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8800390.
  date published: 2026-06-13T13:32:09Z
audio: Bach, JS: Toccata and Fugue in D Minor, BWV 565: Toccata
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 97.299
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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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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    type: PropertyValue
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Miserere mei, Deus - 1993 Remastered Version
type: MusicRecording
duration: PT4M32S
duration ms: 272666
explicit: false
by artist: Gregorio Allegri
by artist: Gerald Finley
by artist: Timothy Beasley-Murray
by artist: Stephen Cleobury
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 9
isrc code: GBAYD9300213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T16:47:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3442bcdee0719346f5012082c0f9f6c5663b1b78d5eb5fb35e5b7f3dd4c8f03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD9300213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T17:48:40Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3442bcdee0719346f5012082c0f9f6c5663b1b78d5eb5fb35e5b7f3dd4c8f03. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/GBAYD9300213.
  date published: 2026-07-22T17:48:40Z
audio: Miserere mei, Deus - 1993 Remastered Version
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 148.435
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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    value: Minor

Orfeo ed Euridice (1992 Digital Remaster): Ballet in D Minor (Dance of the Blessed Spirits)
type: MusicRecording
duration: PT6M18S
duration ms: 378893
explicit: false
by artist: Christoph Willibald Gluck
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 5
genre: classical
genre: opera
isrc code: GBAYC9002396
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:59:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc194a03c5ee2a7897316684ad805f7d9d15fa2fb5503ac069b4c212d3eb91b9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9002396
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc194a03c5ee2a7897316684ad805f7d9d15fa2fb5503ac069b4c212d3eb91b9f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9002396.
  date published: 2026-07-02T03:55:08Z
audio: Orfeo ed Euridice (1992 Digital Remaster): Ballet in D Minor (Dance of the Blessed Spirits)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.752
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.956
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.127
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Herz und Mund und Tat und Leben, BWV 147: No. 10, Choral. "Jesus bleibet meine Freude"
type: MusicRecording
duration: PT3M31S
duration ms: 211026
explicit: false
by artist: Johann Sebastian Bach
by artist: Sir David Willcocks
by artist: Choir of King's College, Cambridge
by artist: Academy of St. Martin in the Fields
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBAYC8901105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:01:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7a91d6225ee3cd1ac890b9079ad881b0fa1ed545020e77e857abc17ecb965f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7a91d6225ee3cd1ac890b9079ad881b0fa1ed545020e77e857abc17ecb965f0. 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/GBAYC8901105.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: No. 10, Choral. "Jesus bleibet meine Freude"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.043
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.898
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.214
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.885
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: Abdelazer, Z. 570: II. Rondeau
type: MusicRecording
duration: PT1M15S
duration ms: 75973
explicit: false
by artist: Henry Purcell
by artist: Yehudi Menuhin
by artist: Bath Festival Orchestra
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 10
genre: classical
genre: choral
isrc code: GBAYC6500023
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:16:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf40974887d3cd5bf4e33e27c568df812a152e9cb3ab0df4f6f6cb6f7c7ee54f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC6500023
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40974887d3cd5bf4e33e27c568df812a152e9cb3ab0df4f6f6cb6f7c7ee54f7. 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/GBAYC6500023.
  date published: 2026-07-07T18:39:05Z
audio: Purcell: Abdelazer, Z. 570: II. Rondeau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.664
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.546
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.84
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.855
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
type: MusicRecording
duration: PT3M33S
duration ms: 213000
explicit: false
by artist: Johann Sebastian Bach
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 11
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBAYC8601458
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:08:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a59809f6ab6c2de12276be62b56cf09a7eecf3542aa1808b7616774c93a9277
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601458
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a59809f6ab6c2de12276be62b56cf09a7eecf3542aa1808b7616774c93a9277. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601458.
  date published: 2026-07-02T03:55:08Z
audio: Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.82
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.141
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.859
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.896
  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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Corelli: Concerto Grosso En Sol Mineur, G Minor Op.6 N°8 "Pour La Nuit De Noël" VI. Pastorale: Largo - Remasterisé En 1996
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Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
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Bach, JS: Wachet auf, ruft uns die Stimme, BWV 140: No. 4, Choral. "Zion hört die Wächter singen"
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  date published: 2026-06-13T13:32:09Z
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100 Best Operetta
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  audio: Giuditta: Meine Lippen, sie küssen so heiss - 1999 Remastered Version
track: Merrie England, Act II: Dan Cupid hath a garden (The English Rose) [McAlpine] - 1989 Remaster
track: Léhar: Paganini: "Gern hab' ich die Frau'n geküsst"
track: The Pirates of Penzance 'The Slave of Duty', Act I: Poor wandering one (Mabel, Girls)
track: Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
track: The Arcadians, Act I: The Pipes of Pan (Sombra) - 1969 Remaster
track: Das Land Des Lächelns, Act Two: Dein ist mein ganzes Herz! (Sou-Chong) - 1995 Remaster
track: Die Dubarry: Ich schenk' mein Herz - 1999 Remaster
track: Die Fledermaus, Act 2: Ach, meine Herr'n und Damen - Mein Herr Marquis - 1997 Remaster
track: I'll See You Again (Bitter Sweet) - 1999 Remaster
track: Der Graf von Luxemburg · Operette in 3 Akten - Querschnitt, Erster Akt: - Frau Gräfin, Sie Erlauben Wohl - Sie Geht Links, Er Geht Rechts - Bist Du's Lachendes Glück (René, Angèle) - 2002 Rem
track: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
track: Strauss Jr., J.: Der Zigeunerbaron, Act 1 Scene 2: No. 2, Entrée - Couplets, "Als flotter Geist, doch früh verwaist" (Barinkay)
track: Casanova: Oh Madonna auf uns sieh! - O Marie, wie entflieh - 1999 Remaster
track: Ein Märchenglück, ein Sommertraum · aus der Operette 'Drei alte Schachteln'
track: Suppé: Boccaccio, Dritter Akt: Duettino - Florenz hat schöne Frauen
track: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
track: Auch ich war einst ein feiner Csárdáskavalier - Komm', Zigan (Gräfin Mariza: Tassilo, 1. Akt) - 1990 Remaster

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date published: 2026-07-30T06:39:12Z

Giuditta: Meine Lippen, sie küssen so heiss - 1999 Remastered Version
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additional property: Valence (Positivity)
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Merrie England, Act II: Dan Cupid hath a garden (The English Rose) [McAlpine] - 1989 Remaster
type: MusicRecording
duration: PT2M36S
duration ms: 156640
explicit: false
by artist: Edward German
by artist: William McAlpine
by artist: Rita Williams Singers
by artist: Michael Collins & His Orchestra
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 1
isrc code: GBAYD8900838
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950c0d761cd9836f65d4994554aa5c306ef946cb63f38a9fdf763a37c45b0d71. 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/GBAYD8900838.
  date published: 2026-07-08T03:20:19Z
audio: Merrie England, Act II: Dan Cupid hath a garden (The English Rose) [McAlpine] - 1989 Remaster
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Léhar: Paganini: "Gern hab' ich die Frau'n geküsst"
type: MusicRecording
duration: PT3M33S
duration ms: 213413
explicit: false
by artist: Franz Lehár
by artist: Melitta Muszely
by artist: Karl-Ernst Mercker
by artist: Ursula SchirrmacHer
by artist: Werner Schmidt-Boelcke
by artist: Rudolf Schock
by artist: FFB-Orchester
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 4
genre: opera
isrc code: DEA340200672
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340200672
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Léhar: Paganini: "Gern hab' ich die Frau'n geküsst"
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The Pirates of Penzance 'The Slave of Duty', Act I: Poor wandering one (Mabel, Girls)
type: MusicRecording
duration: PT2M55S
duration ms: 175493
explicit: false
by artist: Arthur Sullivan
by artist: Barbara Hendricks
by artist: Lawrence Foster
by artist: Philharmonia Orchestra
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d66d80e6fcc6dfe3859a46d04dbcbea69879f3da5aa8d3aa03d0e839a6ebcb7. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119209970.
  date published: 2026-07-31T19:53:13Z
audio: The Pirates of Penzance 'The Slave of Duty', Act I: Poor wandering one (Mabel, Girls)
  type: AudioObject
  additional property: Tempo (BPM)
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Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
type: MusicRecording
duration: PT4M38S
duration ms: 278160
explicit: false
by artist: Carl Zeller
by artist: Lucia Popp
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
isrc code: GBAYC8602649
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/GBAYC8602649
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e82799aa7752ef8e79e89c143c488da483576658a024eb80075a7dae12aa243. 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/GBAYC8602649.
  date published: 2026-07-08T03:20:19Z
audio: Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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The Arcadians, Act I: The Pipes of Pan (Sombra) - 1969 Remaster
type: MusicRecording
duration: PT2M42S
duration ms: 162040
explicit: false
by artist: Lionel Monckton
by artist: Nigel Brooks Chorus
by artist: Gilbert Vinter & His Orchestra
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 1
isrc code: GBAYD0500311
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c46021c9c5d7a9055e638d9c9d499b6d9394e903adc881d9913e4bf1262859. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GBAYD0500311.
  date published: 2026-07-31T20:22:46Z
audio: The Arcadians, Act I: The Pipes of Pan (Sombra) - 1969 Remaster
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Das Land Des Lächelns, Act Two: Dein ist mein ganzes Herz! (Sou-Chong) - 1995 Remaster
type: MusicRecording
duration: PT4M0S
duration ms: 240440
explicit: false
by artist: Franz Lehár
by artist: Nicolai Gedda
by artist: Symphonie Orchester Graunke Munchen
by artist: Willy Mattes
by artist: Bavarian Radio Chorus
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
genre: opera
isrc code: DEC629501353
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10179236c2f14159ccca4c163d85bb572ae2c9f655cb8d9f6e3aedb8b137465c. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC629501353.
  date published: 2026-07-30T12:45:34Z
audio: Das Land Des Lächelns, Act Two: Dein ist mein ganzes Herz! (Sou-Chong) - 1995 Remaster
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  additional property: Danceability
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Die Dubarry: Ich schenk' mein Herz - 1999 Remaster
type: MusicRecording
duration: PT3M35S
duration ms: 215800
explicit: false
by artist: Carl Millöcker
by artist: Elisabeth Schwarzkopf
by artist: Otto Ackermann
by artist: Philharmonia Orchestra & Chorus
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
in album: 100 Best Operetta
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3330b28d0bcb71fe6461d96437a815818c7acbd708e8d07c6ca67430f6005b52. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801364.
  date published: 2026-07-31T00:26:26Z
audio: Die Dubarry: Ich schenk' mein Herz - 1999 Remaster
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Die Fledermaus, Act 2: Ach, meine Herr'n und Damen - Mein Herr Marquis - 1997 Remaster
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duration: PT4M33S
duration ms: 273960
explicit: false
by artist: Johann Strauss II
by artist: Nicolai Gedda
by artist: Renate Holm
by artist: Brigitte Fassbaender
by artist: Dietrich Fischer-Dieskau
by artist: Chor der Wiener Staatsoper in der Volksoper
by artist: Willi Boskovsky
by artist: Franz Gerstacker
by artist: Wiener Symphoniker
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 1
isrc code: DEA349707426
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349707426
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:38:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc06045dd2c819f775a6192fa39221f0cd324f29e0d10f65555e2958c9768af. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/DEA349707426.
  date published: 2026-07-31T08:38:45Z
audio: Die Fledermaus, Act 2: Ach, meine Herr'n und Damen - Mein Herr Marquis - 1997 Remaster
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I'll See You Again (Bitter Sweet) - 1999 Remaster
type: MusicRecording
duration: PT3M55S
duration ms: 235973
explicit: false
by artist: Noel Coward
by artist: June Bronhill
by artist: James Hawthorne
by artist: Cyril Ornadel & His Theatre Orchestra
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 1
isrc code: GBAYE9901619
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYE9901619
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d13676cf9fb89f7866f429a62b71927395dcf73361133adbf5b587096a9f971. 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/GBAYE9901619.
  date published: 2026-07-08T03:20:19Z
audio: I'll See You Again (Bitter Sweet) - 1999 Remaster
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Der Graf von Luxemburg · Operette in 3 Akten - Querschnitt, Erster Akt: - Frau Gräfin, Sie Erlauben Wohl - Sie Geht Links, Er Geht Rechts - Bist Du's Lachendes Glück (René, Angèle) - 2002 Rem
type: MusicRecording
duration: PT2M51S
duration ms: 171760
explicit: false
by artist: Franz Lehár
by artist: Gustav Neidlinger
by artist: Erika Köth
by artist: Helga Hildebrand
by artist: Manfred Schmidt
by artist: Frank Fox
by artist: Rudolf Schock
by artist: Berliner Symphoniker
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 1
genre: opera
isrc code: DEA340200653
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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340200653
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c3ba8aaae9d0904d8e06826b1459290b974e44b971ed8109074e2ec0375ad15. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340200653.
  date published: 2026-07-30T15:42:38Z
audio: Der Graf von Luxemburg · Operette in 3 Akten - Querschnitt, Erster Akt: - Frau Gräfin, Sie Erlauben Wohl - Sie Geht Links, Er Geht Rechts - Bist Du's Lachendes Glück (René, Angèle) - 2002 Rem
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
type: MusicRecording
duration: PT5M47S
duration ms: 347320
explicit: false
by artist: Franz Lehár
by artist: Lucia Popp
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
by artist: Ambrosian Opera Chorus
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
genre: opera
isrc code: GBAYC8602653
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/GBAYC8602653
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37193341d289ffdadcfdef39bd0c73b4b95fd5416182809336270740acd72cb3. 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/GBAYC8602653.
  date published: 2026-07-08T03:20:19Z
audio: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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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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Strauss Jr., J.: Der Zigeunerbaron, Act 1 Scene 2: No. 2, Entrée - Couplets, "Als flotter Geist, doch früh verwaist" (Barinkay)
type: MusicRecording
duration: PT2M45S
duration ms: 165813
explicit: false
by artist: Johann Strauss II
by artist: Hermann Prey
by artist: Chor der Bayerischen Staatsoper München
by artist: Symphonie-Orchester Graunke
by artist: Franz Allers
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
isrc code: DEA349800829
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x09cdf5082e603059ea1631b6220717ddefc1759fad4bab96bcb45137ba797e55
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960288
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349800829
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09cdf5082e603059ea1631b6220717ddefc1759fad4bab96bcb45137ba797e55. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349800829.
  date published: 2026-07-30T17:41:38Z
audio: Strauss Jr., J.: Der Zigeunerbaron, Act 1 Scene 2: No. 2, Entrée - Couplets, "Als flotter Geist, doch früh verwaist" (Barinkay)
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  additional property: Tempo (BPM)
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  additional property: Danceability
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Casanova: Oh Madonna auf uns sieh! - O Marie, wie entflieh - 1999 Remaster
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duration: PT4M2S
duration ms: 242800
explicit: false
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by artist: Elisabeth Schwarzkopf
by artist: Philharmonia Orchestra & Chorus
by artist: Otto Ackermann
in album: 100 Best Operetta
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  date published: 2012-10-15
popularity: 2
isrc code: GBAYC9801362
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: 2026-07-30T17:41:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28fcfb9be931cf41031acf11f8b2cda20482a6f176bec01cc2c3d2c329afa11. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801362.
  date published: 2026-07-30T17:41:38Z
audio: Casanova: Oh Madonna auf uns sieh! - O Marie, wie entflieh - 1999 Remaster
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Ein Märchenglück, ein Sommertraum · aus der Operette 'Drei alte Schachteln'
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by artist: René Kollo
by artist: Horst Jankowski
by artist: RIAS Tanzorchester
in album: 100 Best Operetta
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popularity: 1
genre: operetta
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Ein Märchenglück, ein Sommertraum · aus der Operette 'Drei alte Schachteln'
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Suppé: Boccaccio, Dritter Akt: Duettino - Florenz hat schöne Frauen
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by artist: Hermann Prey
by artist: Willi Boskovsky
by artist: Bayerisches Symphonieorchester
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Suppé: Boccaccio, Dritter Akt: Duettino - Florenz hat schöne Frauen
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Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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by artist: Renate Holm
by artist: Brigitte Fassbaender
by artist: Dietrich Fischer-Dieskau
by artist: Chor der Wiener Staatsoper in der Volksoper
by artist: Willi Boskovsky
by artist: Franz Gerstacker
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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Auch ich war einst ein feiner Csárdáskavalier - Komm', Zigan (Gräfin Mariza: Tassilo, 1. Akt) - 1990 Remaster
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duration: PT4M2S
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explicit: false
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by artist: Fritz Wunderlich
by artist: Bavarian State Orchestra
by artist: Hans Moltkau
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Auch ich war einst ein feiner Csárdáskavalier - Komm', Zigan (Gräfin Mariza: Tassilo, 1. Akt) - 1990 Remaster
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Otello
type: MusicAlbum
date published: 2001-02-06

Beverly Sills - The Great Recordings
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date published: 2004-01-01
track: I Puritani / Act 1: Son vergin vezzosa
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T02:19:15Z
  audio: I Puritani / Act 1: Son vergin vezzosa
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track: I Capuleti e i Montecchi / Act 1: Eccomi...Oh! quante volte
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T19:11:09Z
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track: Il barbiere di Siviglia / Act 2: No. 11 Aria: "Contro un cor che accende amore"
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  subject of: OpenTimestamps Proof of Existence
  audio: Il barbiere di Siviglia / Act 2: No. 11 Aria: "Contro un cor che accende amore"
track: Roberto Devereux - original version / Act 3: Quel sangue versato al ciel (Elisabetta, Coro)
track: Vorrei spiegarvi, oh Dio, K.418

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OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960187

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9601633

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e1a3940ca7fdf6c9d5baec47b4458eb2e330dcecdb9a5b2c92173306ebdb08. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9601633.
date published: 2026-07-30T01:34:28Z

Il barbiere di Siviglia / Act 2: No. 11 Aria: "Contro un cor che accende amore"
type: AudioObject
additional property: Tempo (BPM)
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  value: 141.521
additional property: Musical Key
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.378
additional property: Energy
  type: PropertyValue
  value: 0.098
additional property: Speechiness
  type: PropertyValue
  value: 0.052
additional property: Acousticness
  type: PropertyValue
  value: 0.975
additional property: Instrumentalness
  type: PropertyValue
  value: 0.009
additional property: Liveness
  type: PropertyValue
  value: 0.129
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.048
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.259
additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Roberto Devereux - original version / Act 3: Quel sangue versato al ciel (Elisabetta, Coro)
type: MusicRecording
duration: PT5M31S
duration ms: 331813
explicit: false
by artist: Gaetano Donizetti
by artist: Beverly Sills
by artist: Royal Philharmonic Orchestra
by artist: Sir Charles Mackerras
by artist: Ambrosian Opera Chorus
by artist: John McCarthy
in album: Beverly Sills - The Great Recordings
  type: MusicAlbum
  date published: 2004-01-01
genre: opera
isrc code: DEF056933230
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:05:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2d01baeab1433676becaa63e01775d1133c9e945b2d1061bffa53f3cefef865
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056933230
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2d01baeab1433676becaa63e01775d1133c9e945b2d1061bffa53f3cefef865. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DEF056933230.
  date published: 2026-07-30T14:36:16Z
audio: Roberto Devereux - original version / Act 3: Quel sangue versato al ciel (Elisabetta, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.054
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
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    value: -16.977
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Vorrei spiegarvi, oh Dio, K.418
type: MusicRecording
duration: PT7M22S
duration ms: 442826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Beverly Sills
by artist: London Philharmonic Orchestra
by artist: Aldo Ceccato
in album: Beverly Sills - The Great Recordings
  type: MusicAlbum
  date published: 2004-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF057004751
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:45:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc12dd570276ec861dfb73bd107f7c6290bd820110805ec8f87f36e5108f2a150
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057004751
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc12dd570276ec861dfb73bd107f7c6290bd820110805ec8f87f36e5108f2a150. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057004751.
  date published: 2026-07-30T17:23:26Z
audio: Vorrei spiegarvi, oh Dio, K.418
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 109.27
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.285
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
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    value: -22.954
  additional property: Key Name
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    value: A
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Britten conducts Britten: Opera Vol.1
type: MusicAlbum
date published: 2004-01-01

Britten: Billy Budd/The Holy Sonnets of John Donne etc.
type: MusicAlbum
date published: 1989-01-01
track: Billy Budd, Op. 50 / Act 1: "Pull, My Bantams!"
  type: MusicRecording
  duration: PT6M59S
  duration ms: 419266
  explicit: false
  by artist: Benjamin Britten
  by artist: Eric Garrett
  by artist: Norman Lumsden
  by artist: Bryan Drake
  by artist: David Bowman
  by artist: Nigel Rogers
  by artist: Delme Bryn-Jones
  by artist: Robert Tear
  by artist: Robert Bowman
  by artist: Ambrosian Opera Chorus
  by artist: Wandsworth School Boys Choir
  by artist: London Symphony Orchestra
  in album: Britten: Billy Budd/The Holy Sonnets of John Donne etc.
    type: MusicAlbum
    date published: 1989-01-01
  isrc code: GBF076740302
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:13:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73886f1eeb560bcc65a90a4f437edc2d6b8240dcf0200a7aca896c8b57021e70
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076740302
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73886f1eeb560bcc65a90a4f437edc2d6b8240dcf0200a7aca896c8b57021e70. 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/GBF076740302.
    date published: 2026-07-08T03:20:19Z
  audio: Billy Budd, Op. 50 / Act 1: "Pull, My Bantams!"
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.37
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.199
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.151
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.817
    additional property: Key Name
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      value: F#
    additional property: Mode Name
      type: PropertyValue
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Verdi: Il Trovatore
type: MusicAlbum
date published: 2000-01-01

Rigoletto
type: MusicAlbum
date published: 2000-01-01

ll Trovatore (highlights in English)
type: MusicAlbum
date published: 2013-07-07

La Traviata
type: MusicAlbum
date published: 1992-01-01
track: La Traviata, Act I: Libiam Ne' Lieti Calici (Brindisi)
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192666
  explicit: false
  by artist: Luciano Pavarotti
  by artist: Renata Scotto
  by artist: Giuseppe Verdi
  by artist: Francesco Maria Piave
  by artist: Carlo Felice Cillario
  by artist: Royal Opera House Orchestra and Chorus
  in album: La Traviata
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical-tenor
  genre: italian-tenor
  genre: operatic-pop
  genre: opera
  genre: canzone-napoletana
  isrc code: USA560858533
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T21:45:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x760c5a269dfb19a47cbc1192072a88fb0d37105814a97ed9566f8cad3c0797f7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953513
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858533
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x760c5a269dfb19a47cbc1192072a88fb0d37105814a97ed9566f8cad3c0797f7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA560858533.
    date published: 2026-06-13T12:47:07Z
  audio: La Traviata, Act I: Libiam Ne' Lieti Calici (Brindisi)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.024
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.437
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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      value: 0.318
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.475
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Traviata, Act I: Un Dì, Felice, Eterea
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295000
  explicit: false
  by artist: Luciano Pavarotti
  by artist: Renata Scotto
  by artist: Giuseppe Verdi
  by artist: Francesco Maria Piave
  by artist: Carlo Felice Cillario
  by artist: Royal Opera House Orchestra and Chorus
  in album: La Traviata
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical-tenor
  genre: italian-tenor
  genre: operatic-pop
  genre: opera
  genre: canzone-napoletana
  isrc code: USA560858534
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T21:06:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x90e2d19d995f98070534679671a4181110eed7d2373cc46f16118cd7f88607a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858534
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e2d19d995f98070534679671a4181110eed7d2373cc46f16118cd7f88607a9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858534.
    date published: 2026-07-02T03:55:08Z
  audio: La Traviata, Act I: Un Dì, Felice, Eterea
    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
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    additional property: Danceability
      type: PropertyValue
      value: 0.303
    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.015
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.142
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.943
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
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track: La Traviata, Act I: E' Strano! Ah, Forsè Lui
  type: MusicRecording
  duration: PT10M19S
  duration ms: 619666
  explicit: false
  by artist: Renata Scotto
  by artist: Giuseppe Verdi
  by artist: Francesco Maria Piave
  by artist: Carlo Felice Cillario
  by artist: Royal Opera House Orchestra and Chorus
  in album: La Traviata
  genre: opera
  isrc code: USA560858535
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Traviata, Act I: E' Strano! Ah, Forsè Lui
track: La Traviata, Act II: Lunge Da Lei… De' Miei Bollenti Spiriti… O Mio Rimorso! O Infamia!
track: La Traviata, Act II: Pura Siccome Un Angelo, Dite Alla Giovine… Morrò! La Mia Memoria
track: La Traviata, Act II: Che Fai?... Amami Alfredo!
track: La Traviata, Act II: Di Provenza Il Mar, Il Suol
track: La Traviata, Act II: Invitato A Qui Seguirmi… Ogni Suo Aver Tal Femmina
track: La Traviata, Act. III: Addio Del Passato
track: La Traviata, Act III: Parigi, O Cara Noi Lasceremo
track: La Traviata, Act III:: Gran Dio! Morir Sì Giovine… Prendi, Quest'è L'Immagine… E' Strano! (Morte Di Violetta)

Royal Opera House Orchestra and Chorus
type: MusicGroup

La Traviata
type: MusicAlbum
date published: 1992-01-01

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T08:56:36+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x463390ed98359f49c87239e844f43fa92519771096816247713c07ea9649a5dd

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957073

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957073

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858535

OTSTimestamp
type: PropertyValue
value: 2026-07-07T18:39:05Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463390ed98359f49c87239e844f43fa92519771096816247713c07ea9649a5dd. 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/USA560858535.
date published: 2026-07-07T18:39:05Z

La Traviata, Act I: E' Strano! Ah, Forsè Lui
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.763
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.263
additional property: Energy
  type: PropertyValue
  value: 0.165
additional property: Speechiness
  type: PropertyValue
  value: 0.065
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.169
additional property: Liveness
  type: PropertyValue
  value: 0.074
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.055
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.463
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

La Traviata, Act II: Lunge Da Lei… De' Miei Bollenti Spiriti… O Mio Rimorso! O Infamia!
type: MusicRecording
duration: PT6M1S
duration ms: 361666
explicit: false
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: classical-tenor
genre: italian-tenor
genre: operatic-pop
genre: opera
genre: canzone-napoletana
isrc code: USA560858536
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:19:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1a725027ce37ad68931e054f5ac222f3b8b86ac4fa78fecf5fd711fab9c3581
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858536
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a725027ce37ad68931e054f5ac222f3b8b86ac4fa78fecf5fd711fab9c3581. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/USA560858536.
  date published: 2026-07-30T08:30:10Z
audio: La Traviata, Act II: Lunge Da Lei… De' Miei Bollenti Spiriti… O Mio Rimorso! O Infamia!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.919
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.032
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.257
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Traviata, Act II: Pura Siccome Un Angelo, Dite Alla Giovine… Morrò! La Mia Memoria
type: MusicRecording
duration: PT16M38S
duration ms: 998200
explicit: false
by artist: Peter Glossop
by artist: Renata Scotto
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: classical-baritone
isrc code: USA560858537
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:06:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae66511364764f53d3b465e615c403caa613615a1169830cb9538d99b4df923d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960209
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960209
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858537
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae66511364764f53d3b465e615c403caa613615a1169830cb9538d99b4df923d. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/USA560858537.
  date published: 2026-07-30T05:15:54Z
audio: La Traviata, Act II: Pura Siccome Un Angelo, Dite Alla Giovine… Morrò! La Mia Memoria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.995
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.086
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.474
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.288
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Traviata, Act II: Che Fai?... Amami Alfredo!
type: MusicRecording
duration: PT2M37S
duration ms: 157000
explicit: false
by artist: Renata Scotto
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: opera
isrc code: USA560858538
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:16:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde591e6508309f4d7d81a5ce26c8706f258a0e0bd4b155fe7f52156539b4e0d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858538
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde591e6508309f4d7d81a5ce26c8706f258a0e0bd4b155fe7f52156539b4e0d7. 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/USA560858538.
  date published: 2026-07-08T03:20:19Z
audio: La Traviata, Act II: Che Fai?... Amami Alfredo!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.065
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.173
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.593
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Traviata, Act II: Di Provenza Il Mar, Il Suol
type: MusicRecording
duration: PT7M39S
duration ms: 459800
explicit: false
by artist: Peter Glossop
by artist: Luciano Pavarotti
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: classical-baritone
isrc code: USA560858539
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:07:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2fa01fad2bbf40ec81719baaf9b5fcad18d9750130a84dc8e05858ae79a70cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858539
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2fa01fad2bbf40ec81719baaf9b5fcad18d9750130a84dc8e05858ae79a70cf. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858539.
  date published: 2026-07-29T23:20:38Z
audio: La Traviata, Act II: Di Provenza Il Mar, Il Suol
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.382
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.115
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.101
  additional property: Liveness
    type: PropertyValue
    value: 0.205
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.008
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Traviata, Act II: Invitato A Qui Seguirmi… Ogni Suo Aver Tal Femmina
type: MusicRecording
duration: PT10M32S
duration ms: 632000
explicit: false
by artist: Luciano Pavarotti
by artist: Dennis Wicks
by artist: Renata Scotto
by artist: Peter Glossop
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: classical-tenor
genre: italian-tenor
genre: operatic-pop
genre: opera
genre: canzone-napoletana
isrc code: USA560858540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:33:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3e0dfa2fa88f1767f685925764376bb181e02548237c3b266561dc14c62d810
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858540
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e0dfa2fa88f1767f685925764376bb181e02548237c3b266561dc14c62d810. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858540.
  date published: 2026-07-30T09:57:33Z
audio: La Traviata, Act II: Invitato A Qui Seguirmi… Ogni Suo Aver Tal Femmina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.366
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.482
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.227
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.619
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Traviata, Act. III: Addio Del Passato
type: MusicRecording
duration: PT3M13S
duration ms: 193000
explicit: false
by artist: Renata Scotto
by artist: Giuseppe Verdi
by artist: Francesco Maria Piave
by artist: Carlo Felice Cillario
by artist: Royal Opera House Orchestra and Chorus
in album: La Traviata
  type: MusicAlbum
  date published: 1992-01-01
genre: opera
isrc code: USA560858541
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T14:02:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3cd14005fecd32d6f31d5b0c813e5cb44997938766be9b03aef65a32efbb9916
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560858541
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd14005fecd32d6f31d5b0c813e5cb44997938766be9b03aef65a32efbb9916. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USA560858541.
  date published: 2026-06-13T12:53:06Z
audio: La Traviata, Act. III: Addio Del Passato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.193
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
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La Traviata, Act III:: Gran Dio! Morir Sì Giovine… Prendi, Quest'è L'Immagine… E' Strano! (Morte Di Violetta)
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Pagliacci, Prologue: Prelude...Si può? Signore! Signori
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Mozart: Le nozze di Figaro, K. 492, Act III: "Hai gia vinto la causa?" (Il Conte d'Almaviva)
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The Very Best of Jon Vickers
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Merrie England
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Ernani
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Lilac Time
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The World of Britten
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Selección Clásicos - Gluck, Verdi, Wagner
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Opera Highlights: James King (Live) [Orfeo d'Or]
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Stars Of The Old Vic & Sadlers Wells
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June Bronhill Sings La Vie Parisienne & Merrie England (Original Cast Recording)
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Merrie England, Vol. 1
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Merrie England, Vol. 2
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International competition for young opera singers, Sofia 1961
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