Richard van Allan
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genre: opera
description: Richard Van Allan CBE (28 May 1935 – 4 December 2008) was a versatile British operatic bass singer who had a lengthy career. He sang varied repertoire at Covent Garden and English National Opera, as
popularity: 22
followers: 269
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album: Gilbert & Sullivan: H.M.S. Pinafore
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  date published: 1994-10-25
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    by artist: Sir Charles Mackerras
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      date published: 1994-10-25
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      date published: 2026-07-08T03:20:19Z
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      date published: 2026-07-08T03:53:27Z
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  track: H.M.S. Pinafore, Act I: Madrigal. The Nightingale
  track: H.M.S. Pinafore, Act I: Ballad. A Maiden Fair to See
  track: H.M.S. Pinafore, Act I: Ballad. Sorry Her Lot
  track: H.M.S. Pinafore, Act I: Sir Joseph's Barge is Seen
  track: H.M.S. Pinafore, Act I: Glee. A British Tar
  track: H.M.S. Pinafore, Act I: Finale. Can I Survive This Overbearing?
  track: H.M.S. Pinafore, Act II: Duet. Things Are Seldom What They Seem
  track: H.M.S. Pinafore, Act II: Soli and Chorus. Carefully on Tiptoe Stealing
  track: H.M.S. Pinafore, Act II: Finale. O Joy, Oh Rapture Unforeseen!
album: Gilbert & Sullivan: The Pirates of Penzance
track: La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
track: Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
track: Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
track: Hugh the Drover, Act I: Pt. 7. Show Me a Richer Man in All This Town
track: Hugh the Drover, Act I: Pt. 18. Who'll Fight? A Fight! Who's for a Fight?
track: Verdi: La traviata, Act 1: "Dell’invito trascorsa è già l’ora" (Chorus, Violetta, Flora, Marchese, Gastone, Alfredo, Barone)
track: Verdi: La traviata, Act 2: "Noi siamo zingarelle (Coro, Flora, Marchese)
track: Verdi: La traviata, Act 2: "Di Madride noi siam mattadori" (Gastone, Matadors, All Others)
track: Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
track: Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)

H.M.S. Pinafore, Act I: Finale. Can I Survive This Overbearing?
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by artist: Donald Adams
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  date published: 2026-07-07T09:18:01Z
audio: H.M.S. Pinafore, Act I: Finale. Can I Survive This Overbearing?
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H.M.S. Pinafore, Act II: Soli and Chorus. Carefully on Tiptoe Stealing
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  date published: 2026-07-08T03:22:41Z
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H.M.S. Pinafore, Act II: Finale. O Joy, Oh Rapture Unforeseen!
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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

The Pirates of Penzance, Act II: Chorus with Solos. When the Foeman Bares His Steel
type: MusicRecording
duration: PT4M36S
duration ms: 276560
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: Rebecca Evans
by artist: Julie Gossage
by artist: Richard van Allan
by artist: Jenevora Williams
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
  date published: 1993-10-26
popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
isrc code: USTE10717353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:23:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0cbb9015c5dfb17d5f07981806ff189bddafa7a1c1b7bc28a56ef8ad71537ca9
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/USTE10717353
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbb9015c5dfb17d5f07981806ff189bddafa7a1c1b7bc28a56ef8ad71537ca9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10717353.
  date published: 2026-07-08T08:56:20Z
audio: The Pirates of Penzance, Act II: Chorus with Solos. When the Foeman Bares His Steel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.104
  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: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.657
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.325
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Pirates of Penzance, Act II: Recitative. No, I'll Be Brave! Oh, Family Descent
type: MusicRecording
duration: PT1M23S
duration ms: 83706
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: Rebecca Evans
by artist: Richard van Allan
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
  date published: 1993-10-26
popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce4bedef587f61c090490adc9888af444cb07d45755560b436d40aa1225c4c3. 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/USTE10723353.
  date published: 2026-07-31T16:07:24Z
audio: The Pirates of Penzance, Act II: Recitative. No, I'll Be Brave! Oh, Family Descent
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.825
  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: 0.557
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.237
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.439
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.169
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USTE10723353
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960429
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10723353
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

The Pirates of Penzance, Act II: Song. When a Felon's Not Engaged in His Employment
type: MusicRecording
duration: PT2M30S
duration ms: 150293
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: Richard van Allan
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
  date published: 1993-10-26
popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b07fb5a9ed9d690f2bdd2b050b7d5ae46f444ae7680fb7ff6183867d2bf3409. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10724353.
  date published: 2026-07-31T04:14:58Z
audio: The Pirates of Penzance, Act II: Song. When a Felon's Not Engaged in His Employment
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.519
  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: 0.5
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.221
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.49
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.97
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USTE10724353
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960344
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T04:14:58+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10724353
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

The Pirates of Penzance, Act 2: Song and Finale. Sighing Softly to the River
type: MusicRecording
duration: PT9M32S
duration ms: 572333
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: John Mark Ainsley
by artist: Rebecca Evans
by artist: Richard van Allan
by artist: Donald Adams
by artist: Richard Stuart
by artist: Gillian Knight
by artist: Julie Gossage
by artist: Jenevora Williams
by artist: Nicholas Folwell
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
  date published: 1993-10-26
popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb63b72bf92d98e71ce9d265b3fea0b6fec67d1fd2572f67708e77308e8b92c1d. 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/USTE10728353.
  date published: 2026-07-31T15:59:18Z
audio: The Pirates of Penzance, Act 2: Song and Finale. Sighing Softly to the River
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.192
  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: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.206
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.019
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USTE10728353
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960427
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10728353
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
type: MusicRecording
duration: PT2M54S
duration ms: 174573
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Henry Newman
by artist: Renata Scotto
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
in album: Classical Music for Cooking
  type: MusicAlbum
  date published: 2021-03-26
popularity: 21
genre: classical
genre: opera
isrc code: GBAYC8000072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-12T02:01:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b3387b1a1a89472ae46c26568a52dec7b58ca4ea07b54cc15f7346c9e39de05
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/GBAYC8000072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3387b1a1a89472ae46c26568a52dec7b58ca4ea07b54cc15f7346c9e39de05. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAYC8000072.
  date published: 2026-06-13T15:41:10Z
audio: La traviata, Act I: Libiamo ne' lieti calici (Alfredo, Violetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.604
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.493
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.076
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
type: MusicRecording
duration: PT3M21S
duration ms: 201266
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Henry Newman
by artist: Renata Scotto
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
genre: classical
genre: opera
isrc code: GBAYC8000110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:52:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e9c8489087c7a44c453451ef751719d739bf309f7aadeb3d51357f35dc4978b
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/GBAYC8000110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9c8489087c7a44c453451ef751719d739bf309f7aadeb3d51357f35dc4978b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000110.
  date published: 2026-07-08T08:56:20Z
audio: Verdi: La traviata, Act 2: "Alfredo! Voi! (Flora, Alfredo, Gastone, Dottore, Marchese, Chorus, Violetta, Barone)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.71
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.471
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.092
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.361
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.223
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
type: MusicRecording
duration: PT1M54S
duration ms: 114506
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Christopher Keyte
by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renato Bruson
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 1
genre: classical
genre: opera
isrc code: GBAYC8000113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408a7a31e6a2f092fc7277e80450b31126bec8ccfd3887bd8a14fd61f1d94714. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GBAYC8000113.
  date published: 2026-07-08T03:39:04Z
audio: Verdi: La traviata, Act 2: "Di sprezzo degno sé stesso rende" (Germont , Alfredo, Barone, Others, Except Violetta)
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Hugh the Drover, Act I: Pt. 7. Show Me a Richer Man in All This Town
type: MusicRecording
duration: PT2M18S
duration ms: 138173
explicit: false
by artist: Ralph Vaughan Williams
by artist: Alan Opie
by artist: Corydon Orchestra
by artist: Corydon Singers
by artist: Sarah Walker
by artist: Neil Jenkins
by artist: Rebecca Evans
by artist: Richard van Allan
by artist: Matthew Best
in album: Vaughan Williams: Hugh the Drover
  type: MusicAlbum
  date published: 1994-07-01
popularity: 1
isrc code: GBAJY9490107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9490107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774827e0afad109d1741d65ed145de29d4bfae817da38a3bd916902588fe7a4e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9490107.
  date published: 2026-07-08T08:56:20Z
audio: Hugh the Drover, Act I: Pt. 7. Show Me a Richer Man in All This Town
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.703
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.266
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.353
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.222
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hugh the Drover, Act I: Pt. 18. Who'll Fight? A Fight! Who's for a Fight?
type: MusicRecording
duration: PT1M43S
duration ms: 103040
explicit: false
by artist: Ralph Vaughan Williams
by artist: Bonaventura Bottone
by artist: Corydon Orchestra
by artist: Corydon Singers
by artist: Richard van Allan
by artist: Matthew Best
by artist: New London Children's Choir
by artist: Karl Morgan Daymond
in album: Vaughan Williams: Hugh the Drover
  type: MusicAlbum
  date published: 1994-07-01
popularity: 1
isrc code: GBAJY9490118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc3bb34197ce27addb8d22c91ec0e4e2ae994e160ce7ea077c16bc3ca23c1ba40
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/GBAJY9490118
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3bb34197ce27addb8d22c91ec0e4e2ae994e160ce7ea077c16bc3ca23c1ba40. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9490118.
  date published: 2026-07-08T08:56:20Z
audio: Hugh the Drover, Act I: Pt. 18. Who'll Fight? A Fight! Who's for a Fight?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.102
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.405
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.496
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.259
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.412
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: La traviata, Act 1: "Dell’invito trascorsa è già l’ora" (Chorus, Violetta, Flora, Marchese, Gastone, Alfredo, Barone)
type: MusicRecording
duration: PT4M41S
duration ms: 281706
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Henry Newman
by artist: Renata Scotto
by artist: Richard van Allan
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 4
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd74a1a56b4b320534ba9243a2f179f716707ee7a1210c605bf6756b52d28dcd. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/GBAYC8000071.
  date published: 2026-07-30T12:06:10Z
audio: Verdi: La traviata, Act 1: "Dell’invito trascorsa è già l’ora" (Chorus, Violetta, Flora, Marchese, Gastone, Alfredo, Barone)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.889
  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: 0.314
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.338
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.178
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.252
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC8000071
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960254
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T12:06:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000071
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960254
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:06:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Verdi: La traviata, Act 2: "Noi siamo zingarelle (Coro, Flora, Marchese)
type: MusicRecording
duration: PT2M54S
duration ms: 174400
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Ambrosian Opera Chorus
by artist: Richard van Allan
by artist: Sarah Walker
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 3
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762e8a3f5946f08581d2069f94585c87364b29c69f10a5e969d2ced2e9105bc4. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000108.
  date published: 2026-07-30T22:27:30Z
audio: Verdi: La traviata, Act 2: "Noi siamo zingarelle (Coro, Flora, Marchese)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.04
  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: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.061
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.085
  additional property: Liveness
    type: PropertyValue
    value: 0.448
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.343
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.252
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC8000108
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960321
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000108
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Verdi: La traviata, Act 2: "Di Madride noi siam mattadori" (Gastone, Matadors, All Others)
type: MusicRecording
duration: PT2M49S
duration ms: 169800
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Christopher Keyte
by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renata Scotto
by artist: Renato Bruson
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 3
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8d01fca60bef5accb1a3355508202d607cf3b6bdd2773315f3389e84fc4b88. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000109.
  date published: 2026-07-31T08:26:41Z
audio: Verdi: La traviata, Act 2: "Di Madride noi siam mattadori" (Gastone, Matadors, All Others)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.047
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.06
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.495
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.589
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC8000109
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960368
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000109
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
type: MusicRecording
duration: PT1M9S
duration ms: 69893
explicit: false
by artist: Giuseppe Verdi
by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
in album: Verdi: La traviata
  type: MusicAlbum
  date published: 1982
popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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audio: Verdi: La traviata, Act 2: "Avrem lieta di maschere" (Flora, Marchese, Dottore)
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Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)
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by artist: Philharmonia Orchestra
by artist: Riccardo Muti
by artist: Alfredo Kraus
by artist: Ambrosian Opera Chorus
by artist: Christopher Keyte
by artist: Cynthia Buchan
by artist: Henry Newman
by artist: Max-René Cosotti
by artist: Renata Scotto
by artist: Renato Bruson
by artist: Richard van Allan
by artist: Roderick Kennedy
by artist: Sarah Walker
by artist: Suso Mariategui
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popularity: 2
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Verdi: La traviata, Act 2: "Alfredo, Alfredo, di questo core" (Violetta, All Others)
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additional property: OTSVerifyInstructions
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Speechiness
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H.M.S. Pinafore, Act I: Madrigal. The Nightingale
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duration: PT2M24S
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by artist: Sir Charles Mackerras
by artist: Welsh National Opera Orchestra
by artist: Welsh National Opera Chorus
by artist: Michael Schade
by artist: Felicity Palmer
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popularity: 1
genre: late-romantic-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: H.M.S. Pinafore, Act I: Madrigal. The Nightingale
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H.M.S. Pinafore, Act I: Ballad. A Maiden Fair to See
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duration: PT2M14S
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by artist: Sir Charles Mackerras
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by artist: Welsh National Opera Chorus
by artist: Michael Schade
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popularity: 1
genre: late-romantic-era
genre: victorian-britain
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isrc code: USTE10709374
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: H.M.S. Pinafore, Act I: Ballad. A Maiden Fair to See
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H.M.S. Pinafore, Act I: Ballad. Sorry Her Lot
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duration: PT3M30S
duration ms: 210000
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by artist: Sir Charles Mackerras
by artist: Welsh National Opera Orchestra
by artist: Rebecca Evans
in album: Gilbert & Sullivan: H.M.S. Pinafore
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popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: H.M.S. Pinafore, Act I: Ballad. Sorry Her Lot
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H.M.S. Pinafore, Act I: Sir Joseph's Barge is Seen
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duration ms: 119106
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by artist: Sir Charles Mackerras
by artist: Welsh National Opera Orchestra
by artist: Welsh National Opera Chorus
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popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
isrc code: USTE10714374
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: H.M.S. Pinafore, Act I: Sir Joseph's Barge is Seen
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H.M.S. Pinafore, Act I: Glee. A British Tar
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duration: PT2M14S
duration ms: 134666
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by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Orchestra
by artist: Welsh National Opera Chorus
by artist: Michael Schade
by artist: John King
in album: Gilbert & Sullivan: H.M.S. Pinafore
  type: MusicAlbum
  date published: 1994-10-25
popularity: 5
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: H.M.S. Pinafore, Act I: Glee. A British Tar
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H.M.S. Pinafore, Act II: Duet. Things Are Seldom What They Seem
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duration: PT2M54S
duration ms: 174560
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Orchestra
by artist: Thomas Allen
by artist: Felicity Palmer
in album: Gilbert & Sullivan: H.M.S. Pinafore
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popularity: 0
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb24323db967e99b3b78388a6c96818e9303360aa05504f0d548a67b89b4936b7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10723374.
  date published: 2026-07-08T03:53:27Z
audio: H.M.S. Pinafore, Act II: Duet. Things Are Seldom What They Seem
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type: MusicAlbum
date published: 1993-10-26
track: The Pirates of Penzance, Act I: Opening Chorus of Pirates and Solo. Pour, Oh Pour, the Pirate Sherry
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  explicit: false
  by artist: Arthur Sullivan
  by artist: Sir Charles Mackerras
  by artist: Welsh National Opera Chorus
  by artist: Welsh National Opera Orchestra
  by artist: Nicholas Folwell
  in album: Gilbert & Sullivan: The Pirates of Penzance
    type: MusicAlbum
    date published: 1993-10-26
  popularity: 2
  genre: late-romantic-era
  genre: victorian-britain
  genre: operetta
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10701353
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11486a05475c0ff333ce4785a19fe74f9a308d885a1da84d0a1147710239200. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10701353.
    date published: 2026-07-08T08:56:20Z
  audio: The Pirates of Penzance, Act I: Opening Chorus of Pirates and Solo. Pour, Oh Pour, the Pirate Sherry
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track: The Pirates of Penzance, Act I: Song. Oh! Is There Not One Maiden Breast
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  explicit: false
  by artist: Arthur Sullivan
  by artist: Sir Charles Mackerras
  by artist: Welsh National Opera Chorus
  by artist: Welsh National Opera Orchestra
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  by artist: Rebecca Evans
  in album: Gilbert & Sullivan: The Pirates of Penzance
    type: MusicAlbum
    date published: 1993-10-26
  popularity: 3
  genre: late-romantic-era
  genre: victorian-britain
  genre: operetta
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3cc2c311ae9f03022b7da1da518686a6e2927611b3808178363a29778e6d559. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10707353.
    date published: 2026-07-08T03:22:41Z
  audio: The Pirates of Penzance, Act I: Song. Oh! Is There Not One Maiden Breast
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track: The Pirates of Penzance, Act I: Finale. Oh! Men of Dark and Dismal Fate
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  by artist: Sir Charles Mackerras
  by artist: Welsh National Opera Chorus
  by artist: Welsh National Opera Orchestra
  by artist: John Mark Ainsley
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  by artist: Richard Stuart
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  subject of: OpenTimestamps Proof of Existence
  audio: The Pirates of Penzance, Act I: Finale. Oh! Men of Dark and Dismal Fate
track: The Pirates of Penzance, Act II: Introduction and Solo. Oh! Dry the Glist'ning Tear
track: The Pirates of Penzance, Act II: Chorus with Solos. When the Foeman Bares His Steel
track: The Pirates of Penzance, Act II: Solo. With Cat-Like Tread
track: The Pirates of Penzance, Act II: Recitative. No, I'll Be Brave! Oh, Family Descent
track: The Pirates of Penzance, Act II: Song. When a Felon's Not Engaged in His Employment
track: The Pirates of Penzance, Act 2: Song and Finale. Sighing Softly to the River

Gillian Knight
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Donald Adams
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Richard Stuart
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Julie Gossage
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Nicholas Folwell
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Gilbert & Sullivan: The Pirates of Penzance
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10714353

OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe9566ea75ec66e8daafdb13905bed259400f948ffbe6ca2f9eb97ab1da15be. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10714353.
date published: 2026-07-08T03:22:41Z

The Pirates of Penzance, Act I: Finale. Oh! Men of Dark and Dismal Fate
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The Pirates of Penzance, Act II: Introduction and Solo. Oh! Dry the Glist'ning Tear
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duration: PT3M1S
duration ms: 181400
explicit: false
by artist: Arthur Sullivan
by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: Rebecca Evans
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
  date published: 1993-10-26
popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b035396b0c73cc50dfc6d13b468504c4c48760042b739d330ee1d03e366f8b0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10715353.
  date published: 2026-07-08T03:22:41Z
audio: The Pirates of Penzance, Act II: Introduction and Solo. Oh! Dry the Glist'ning Tear
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duration: PT2M38S
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explicit: false
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by artist: Sir Charles Mackerras
by artist: Welsh National Opera Chorus
by artist: Welsh National Opera Orchestra
by artist: Nicholas Folwell
in album: Gilbert & Sullivan: The Pirates of Penzance
  type: MusicAlbum
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popularity: 1
genre: late-romantic-era
genre: victorian-britain
genre: operetta
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1d28aa9b34527d23e4d9561c00cf75b8b38139bd242d72ab1c717ae51159d0. 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/USTE10726353.
  date published: 2026-07-08T03:20:19Z
audio: The Pirates of Penzance, Act II: Solo. With Cat-Like Tread
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.476
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major