Patrick Summers
type: MusicGroup
genre: opera
description: Patrick Summers (born August 14, 1963) is an American conductor best known for his work with Houston Grand Opera (HGO), where he has been the artistic and music director since 2011, and with San Franc
popularity: 22
followers: 124
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album: O'Regan: The Phoenix (Live)
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  date published: 2020-10-16
  track: The Phoenix, Act II: Li fai sembrare cosi felici insieme (Live)
album: Heggie: Dead Man Walking (Live)
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  date published: 2012-04-13
  track: Heggie: Dead Man Walking: Prelude (Live)
  track: Heggie: Dead Man Walking, Act 1: "He will gather us around" (Sister Helen, Children, Sister Rose) [Live]
  track: Heggie: Dead Man Walking, Act 1: "I don't like that man" (Sister Helen, Warden) [Live]
  track: Heggie: Dead Man Walking, Prologue: "Watching you" - "A Kiss in the Dark" (Boy, Girl, Joseph De Rocher, Anthony De Rocher) [Live]
  track: Heggie: Dead Man Walking, Act 1: "Heavens! Look at the time" (Sister Rose, First mother, Sister Lillianne, Sister Catherine, Jimmy Charlton, Mrs Charlton, Sister Helen) [Live]
  track: Heggie: Dead Man Walking, Act 1: "Be careful people have always told me" (Sister Helen, A Motor Cop) [Live]
  track: Heggie: Dead Man Walking, Act 1: "This journey. This journey to Christ" (Sister Helen) [Live]
  track: Heggie: Dead Man Walking, Act 1: "Sister Helen? I've been waiting for you" (Father Grenville, Sister Helen, Inmates) [Live]
  track: Heggie: Dead Man Walking, Act 1: "Some of them didn't look so bad" (Sister Helen, Father Grenville) [Live]
  track: Heggie: Dead Man Walking, Act 1: "He will gather us around, all around" (Children, Sister Rose, Inmates, Sister Helen, Joseph, A Motor Cop, Joseph's mother, Kitty and Owen Hart, Jade and Howa
album: Gok's Divas
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    by artist: Natalie Dessay
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    by artist: Monte-Carlo Philharmonic Orchestra
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    genre: classical
    genre: german-romanticism
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album: Olga Borodina / Portrait
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  track: Samson et Dalila, Op. 47, R. 288 / Act 2: "Mon coeur s'ouvre à ta voix"
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    by artist: Welsh National Opera Orchestra
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  track: Serse, HWV 40 / Act 1: "Frondi tenere e belle" - "Ombra mai fù"
  track: La forza del destino / Act 2: "Al suon del tamburo"
  track: La Gioconda / Act 1: "Voce di donna o d'angelo"
  track: Prince Igor / Act 1: Cavatina: "Merknet svet dnevnoj"
  track: Vespers, Op. 37: II. "Blagoslovi dushe moya"
album: Previn: Brief Encounter
album: Her Greatest Moments at the MET
album: Heggie: Great Scott
album: Renée Fleming - Bel Canto Scenes
album: Music For A Royal Occasion
album: Heggie: It's a Wonderful Life
album: The Russian Five
album: Love Duets
album: Three Decembers
album: The Refuge
album: Arias & Duets
album: Arias & Duets (Dmitri Hvorostovsky – The Philips Recitals, Vol. 11)
album: Renée Fleming: By Request
album: Anna Netrebko - Live at the Metropolitan Opera
album: The Art of Renée Fleming
album: ReJOYCE!
album: Renée Fleming singt italienische Arien
album: Best of Opera with Metropolitan Opera Orchestra
album: The Art of Susan Graham
album: Romantic Classical Music
album: Classic Originals - Pieces In The Original Style 2
album: Susan Graham Artist Portrait 2007

The Phoenix, Act II: Li fai sembrare cosi felici insieme (Live)
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by artist: Patrick Summers
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  date published: 2026-07-08T03:22:41Z
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Heggie: Dead Man Walking: Prelude (Live)
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Heggie: Dead Man Walking, Act 1: "He will gather us around" (Sister Helen, Children, Sister Rose) [Live]
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audio: Heggie: Dead Man Walking, Act 1: "He will gather us around" (Sister Helen, Children, Sister Rose) [Live]
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    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Heggie: Dead Man Walking, Act 1: "I don't like that man" (Sister Helen, Warden) [Live]
type: MusicRecording
duration: PT3M28S
duration ms: 208720
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Hector Vasquez
by artist: Houston Grand Opera & Chorus
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
isrc code: GBAYC1200048
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:16:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa292975cf2dfef5b996d3e6ab0a5c0a4caa1d1436a38d9c33b6e96fe63d28d8d
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/GBAYC1200048
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 0xa292975cf2dfef5b996d3e6ab0a5c0a4caa1d1436a38d9c33b6e96fe63d28d8d. 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/GBAYC1200048.
  date published: 2026-07-08T08:56:20Z
audio: Heggie: Dead Man Walking, Act 1: "I don't like that man" (Sister Helen, Warden) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.163
  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: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.521
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.267
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.315
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Heggie: Dead Man Walking, Prologue: "Watching you" - "A Kiss in the Dark" (Boy, Girl, Joseph De Rocher, Anthony De Rocher) [Live]
type: MusicRecording
duration: PT4M10S
duration ms: 250440
explicit: false
by artist: Jake Heggie
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Philip Cutlip
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f8468262810884d739457894b25cdfc48ca5ebd3a17b9af5ab3247180a8c109. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GBAYC1200040.
  date published: 2026-07-31T09:50:11Z
audio: Heggie: Dead Man Walking, Prologue: "Watching you" - "A Kiss in the Dark" (Boy, Girl, Joseph De Rocher, Anthony De Rocher) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.591
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.156
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.748
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.19
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.424
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC1200040
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: 960381
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:50:11+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200040
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11+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

Heggie: Dead Man Walking, Act 1: "Heavens! Look at the time" (Sister Rose, First mother, Sister Lillianne, Sister Catherine, Jimmy Charlton, Mrs Charlton, Sister Helen) [Live]
type: MusicRecording
duration: PT3M51S
duration ms: 231053
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Brittany Wheeler
by artist: Kathleen Manley
by artist: Kiri Deonarine
by artist: Laurelle Gowing
by artist: Measha Brueggergosman
by artist: Zander Shepeard
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf10777cce2b66ba98b46151b7457efa81dd5d20a0cf4e943f689adc24e636f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200043.
  date published: 2026-07-31T15:20:15Z
audio: Heggie: Dead Man Walking, Act 1: "Heavens! Look at the time" (Sister Rose, First mother, Sister Lillianne, Sister Catherine, Jimmy Charlton, Mrs Charlton, Sister Helen) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.277
  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: 0.293
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.476
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.468
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC1200043
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: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200043
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Heggie: Dead Man Walking, Act 1: "Be careful people have always told me" (Sister Helen, A Motor Cop) [Live]
type: MusicRecording
duration: PT8M14S
duration ms: 494306
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Michael Sumuel
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44f00899b3220e462714c25e0d5dc9bee880ce0e375c231d1dcea3f03ca2039. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200044.
  date published: 2026-07-31T15:20:15Z
audio: Heggie: Dead Man Walking, Act 1: "Be careful people have always told me" (Sister Helen, A Motor Cop) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.939
  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: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.209
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.597
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC1200044
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: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200044
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Heggie: Dead Man Walking, Act 1: "This journey. This journey to Christ" (Sister Helen) [Live]
type: MusicRecording
duration: PT2M54S
duration ms: 174453
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c65bf04d2ed50ab2a6d0ebc7c06027c07b10c3dfaf24e51266defcf5b285c4c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200045.
  date published: 2026-07-31T02:19:15Z
audio: Heggie: Dead Man Walking, Act 1: "This journey. This journey to Christ" (Sister Helen) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.542
  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: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.32
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.512
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBAYC1200045
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: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200045
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Heggie: Dead Man Walking, Act 1: "Sister Helen? I've been waiting for you" (Father Grenville, Sister Helen, Inmates) [Live]
type: MusicRecording
duration: PT2M37S
duration ms: 157240
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Beau Gibson
by artist: Carey Michael O'Rarden
by artist: James Jennings
by artist: Leslie Biffle
by artist: Rahki DeShon Marcelous
by artist: Wesley Landry
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ec2369b45a4d070847811be70e8ca67fecdd3d5d3270fb1ce63ac8e2fe40ca9. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200046.
  date published: 2026-07-31T15:20:15Z
audio: Heggie: Dead Man Walking, Act 1: "Sister Helen? I've been waiting for you" (Father Grenville, Sister Helen, Inmates) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.646
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.51
  additional property: Speechiness
    type: PropertyValue
    value: 0.402
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.668
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.358
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBAYC1200046
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: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200046
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Heggie: Dead Man Walking, Act 1: "Some of them didn't look so bad" (Sister Helen, Father Grenville) [Live]
type: MusicRecording
duration: PT3M18S
duration ms: 198693
explicit: false
by artist: Jake Heggie
by artist: Joyce DiDonato
by artist: Patrick Summers
by artist: Houston Grand Opera Orchestra
by artist: Beau Gibson
in album: Heggie: Dead Man Walking (Live)
  type: MusicAlbum
  date published: 2012-04-13
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb123f76304446c53113674b92d63c24dcb96c2ebec5970d866a5a4a2c04afa8d. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1200047.
  date published: 2026-07-31T20:42:35Z
audio: Heggie: Dead Man Walking, Act 1: "Some of them didn't look so bad" (Sister Helen, Father Grenville) [Live]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.635
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.338
  additional property: Speechiness
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additional property: OTSVerifyInstructions
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Heggie: Dead Man Walking, Act 1: "He will gather us around, all around" (Children, Sister Rose, Inmates, Sister Helen, Joseph, A Motor Cop, Joseph's mother, Kitty and Owen Hart, Jade and Howa
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duration: PT2M16S
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by artist: Joyce DiDonato
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by artist: Houston Grand Opera Orchestra
by artist: Austin Dean
by artist: Beau Gibson
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by artist: Carey Michael O'Rarden
by artist: Cheryl Parrish
by artist: Cullen King
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by artist: Leslie Biffle
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by artist: Rahki DeShon Marcelous
by artist: Susanne Mentzer
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  date published: 2026-07-31T10:20:10Z
audio: Heggie: Dead Man Walking, Act 1: "He will gather us around, all around" (Children, Sister Rose, Inmates, Sister Helen, Joseph, A Motor Cop, Joseph's mother, Kitty and Owen Hart, Jade and Howa
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Rodelinda, HWV 19 / Act III: Mio caro bene! (Ed. Andrew V. Jones) - Live
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duration: PT4M2S
duration ms: 242106
explicit: false
by artist: George Frideric Handel
by artist: Renée Fleming
by artist: The Metropolitan Opera
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genre: classical
genre: early-music
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  date published: 2026-07-31T00:26:26Z
audio: Rodelinda, HWV 19 / Act III: Mio caro bene! (Ed. Andrew V. Jones) - Live
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La Sonnambula / Act 2: Ah, non giunge uman pensiero
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duration: PT3M36S
duration ms: 216013
explicit: false
by artist: Vincenzo Bellini
by artist: Renée Fleming
by artist: Coro del Maggio Musicale Fiorentino
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
in album: Renée Fleming - Bel Canto Scenes
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popularity: 2
genre: opera
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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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  date published: 2026-07-08T03:20:19Z
audio: La Sonnambula / Act 2: Ah, non giunge uman pensiero
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Maria Padilla - opera in 3 Acts: Abbraciami
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duration: PT3M24S
duration ms: 204826
explicit: false
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by artist: Renée Fleming
by artist: Kristine Jepson
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
in album: Renée Fleming - Bel Canto Scenes
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  date published: 2002-08-19
popularity: 1
genre: opera
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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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  date published: 2026-07-08T03:22:41Z
audio: Maria Padilla - opera in 3 Acts: Abbraciami
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Il pirata / Act 2: Introduzione
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duration ms: 258120
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by artist: Melanie Feld
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
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popularity: 1
genre: opera
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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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  date published: 2026-07-08T03:53:27Z
audio: Il pirata / Act 2: Introduzione
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Il pirata / Act 2: Col sorriso d'innocenza
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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audio: Il pirata / Act 2: Col sorriso d'innocenza
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La Sonnambula / Act 2: Oh! Se una volta sola
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  date published: 2026-07-31T06:42:11Z
audio: La Sonnambula / Act 2: Oh! Se una volta sola
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La Sonnambula / Act 2: Ah, non credea mirarti
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popularity: 2
genre: opera
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  date published: 2026-07-31T05:17:02Z
audio: La Sonnambula / Act 2: Ah, non credea mirarti
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Maria Padilla - opera in 3 Acts: Il più tenero suon d'arpa
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by artist: Renée Fleming
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by artist: Orchestra of St. Luke's
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popularity: 5
genre: opera
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  date published: 2026-07-29T22:13:32Z
audio: Maria Padilla - opera in 3 Acts: Il più tenero suon d'arpa
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Maria Padilla - opera in 3 Acts: Ah non sai qual prestigio si cela...
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by artist: Orchestra of St. Luke's
by artist: Patrick Summers
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popularity: 4
genre: opera
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  date published: 2026-07-31T00:26:26Z
audio: Maria Padilla - opera in 3 Acts: Ah non sai qual prestigio si cela...
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Armida / Act 2: D'amor al dolce impero...
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by artist: Coro del Maggio Musicale Fiorentino
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in album: Renée Fleming - Bel Canto Scenes
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popularity: 1
genre: classical
genre: opera
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  date published: 2026-07-31T13:04:34Z
audio: Armida / Act 2: D'amor al dolce impero...
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Lucrezia Borgia / Act 2: Figlio, figlio! Ola, qualcuno!
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genre: opera
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audio: Lucrezia Borgia / Act 2: Figlio, figlio! Ola, qualcuno!
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Lucrezia Borgia / Act 2: Era desso il figlio mio
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popularity: 7
genre: opera
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audio: Lucrezia Borgia / Act 2: Era desso il figlio mio
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additional property: OTSVerifyInstructions
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Caecilie, Op. 27, No. 2
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duration: PT2M23S
duration ms: 143493
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by artist: Richard Strauss
by artist: Renée Fleming
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
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genre: classical
genre: opera
genre: orchestra
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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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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Caecilie, Op. 27, No. 2
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La traviata - original version / Act 1: Ah, fors'è lui...Sempre libera [La traviata]
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duration: PT9M58S
duration ms: 598640
explicit: false
by artist: Giuseppe Verdi
by artist: Renée Fleming
by artist: Joseph Calleja
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
in album: Renée Fleming: By Request
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  date published: 2003-01-01
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: La traviata - original version / Act 1: Ah, fors'è lui...Sempre libera [La traviata]
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additional property: OTSVerifyInstructions
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I Puritani / Act II: Qui la voce sua soave - Live At Metropolitan Opera House, New York / 2011
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duration: PT3M58S
duration ms: 238986
explicit: false
by artist: Vincenzo Bellini
by artist: Anna Netrebko
by artist: Metropolitan Opera Orchestra
by artist: Patrick Summers
in album: Anna Netrebko - Live at the Metropolitan Opera
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popularity: 25
genre: opera
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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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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
audio: I Puritani / Act II: Qui la voce sua soave - Live At Metropolitan Opera House, New York / 2011
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You'll Never Walk Alone - From "Carousel"
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duration: PT4M37S
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by artist: Richard Rodgers
by artist: Renée Fleming
by artist: Orchestra of St. Luke's
by artist: Patrick Summers
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: You'll Never Walk Alone - From "Carousel"
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Samson et Dalila, Op. 47, R. 288 / Act 2: "Mon coeur s'ouvre à ta voix"
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Serse, HWV 40 / Act 1: "Frondi tenere e belle" - "Ombra mai fù"
type: MusicRecording
duration: PT5M45S
duration ms: 345373
explicit: false
by artist: George Frideric Handel
by artist: Olga Borodina
by artist: Welsh National Opera Orchestra
by artist: Carlo Rizzi
in album: Olga Borodina / Portrait
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  date published: 2006-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Serse, HWV 40 / Act 1: "Frondi tenere e belle" - "Ombra mai fù"
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La forza del destino / Act 2: "Al suon del tamburo"
type: MusicRecording
duration: PT3M28S
duration ms: 208493
explicit: false
by artist: Giuseppe Verdi
by artist: Olga Borodina
by artist: Nikolai Putilin
by artist: Gennadi Bezzubenkov
by artist: Mariinsky Orchestra
by artist: Mariinsky Chorus
by artist: Valery Gergiev
in album: Olga Borodina / Portrait
  type: MusicAlbum
  date published: 2006-01-01
genre: classical
genre: opera
isrc code: NLA509500308
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: La forza del destino / Act 2: "Al suon del tamburo"
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La Gioconda / Act 1: "Voce di donna o d'angelo"
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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
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Prince Igor / Act 1: Cavatina: "Merknet svet dnevnoj"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Vespers, Op. 37: II. "Blagoslovi dushe moya"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Previn: Brief Encounter
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Her Greatest Moments at the MET
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T18:50:38Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
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track: Louise / Act III: Depuis le jour - Live
track: Rusalka, Op. 114, B. 203 / Act I: Mesicku na nebi hlubokém - Live
track: Don Giovanni, K. 527 / Act II: Non mi dir, bell'idol mio - Live
track: Il pirata / Act II: Col sorriso d'innocenza - Live
track: La traviata / Act II: Ah! Dite alla giovine - Live
track: La traviata / Act II: Imponete - Live
track: Thaïs / Act II: Dis-moi que je suis belle - Live
track: The Merry Widow / Act II: Hello, here's a soldier bold - Live
track: Rodelinda, HWV 19 / Act III: Mio caro bene! (Ed. Andrew V. Jones) - Live

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

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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfdd58977c3459dcf2cf86c7508e49f874026f137ace0229be7264501d1e363. 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/USY3P2206378.
  date published: 2026-07-08T03:22:41Z
audio: Louise / Act III: Depuis le jour - Live
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.672
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.929
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rusalka, Op. 114, B. 203 / Act I: Mesicku na nebi hlubokém - Live
type: MusicRecording
duration: PT7M6S
duration ms: 426720
explicit: false
by artist: Antonín Dvořák
by artist: Renée Fleming
by artist: The Metropolitan Opera
by artist: Jiří Bělohlávek
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: USY3P2206380
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/0xf52addebb0780859d81dd6635d634463377b76614716fd52bddd8bda33ffe454
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/USY3P2206380
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52addebb0780859d81dd6635d634463377b76614716fd52bddd8bda33ffe454. 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/USY3P2206380.
  date published: 2026-07-08T03:22:41Z
audio: Rusalka, Op. 114, B. 203 / Act I: Mesicku na nebi hlubokém - Live
  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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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
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    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Don Giovanni, K. 527 / Act II: Non mi dir, bell'idol mio - Live
type: MusicRecording
duration: PT5M54S
duration ms: 354800
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Renée Fleming
by artist: The Metropolitan Opera
by artist: James Levine
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: classical
genre: classical-era
isrc code: USY3P2206388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:33:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e27171b77df5928407bfbd18b972986a05624530d7aec7fc39ebb3e204f7209
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USY3P2206388
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e27171b77df5928407bfbd18b972986a05624530d7aec7fc39ebb3e204f7209. 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/USY3P2206388.
  date published: 2026-07-08T03:53:27Z
audio: Don Giovanni, K. 527 / Act II: Non mi dir, bell'idol mio - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.712
  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: 0.204
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.051
  additional property: Liveness
    type: PropertyValue
    value: 0.703
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.087
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Il pirata / Act II: Col sorriso d'innocenza - Live
type: MusicRecording
duration: PT4M22S
duration ms: 262066
explicit: false
by artist: Vincenzo Bellini
by artist: Renée Fleming
by artist: The Metropolitan Opera
by artist: Bruno Campanella
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: opera
isrc code: USY3P2206389
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:43:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6c11c152a881e7aacc796e27364cfc14d53fbc58f4cc6901aa956742b6da291
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/USY3P2206389
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c11c152a881e7aacc796e27364cfc14d53fbc58f4cc6901aa956742b6da291. 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/USY3P2206389.
  date published: 2026-07-08T03:20:19Z
audio: Il pirata / Act II: Col sorriso d'innocenza - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.386
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.726
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.043
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata / Act II: Ah! Dite alla giovine - Live
type: MusicRecording
duration: PT4M52S
duration ms: 292693
explicit: false
by artist: Giuseppe Verdi
by artist: Renée Fleming
by artist: Dmitri Hvorostovsky
by artist: The Metropolitan Opera
by artist: Valery Gergiev
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: classical
genre: opera
isrc code: USY3P2206390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:31:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b0fe38276f0bd47665df887405e8e3575e3510f239fef57370a54aa1056dc9c
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/USY3P2206390
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b0fe38276f0bd47665df887405e8e3575e3510f239fef57370a54aa1056dc9c. 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/USY3P2206390.
  date published: 2026-07-08T03:22:41Z
audio: La traviata / Act II: Ah! Dite alla giovine - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.069
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.207
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.736
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata / Act II: Imponete - Live
type: MusicRecording
duration: PT4M50S
duration ms: 290013
explicit: false
by artist: Giuseppe Verdi
by artist: Renée Fleming
by artist: Dmitri Hvorostovsky
by artist: The Metropolitan Opera
by artist: Valery Gergiev
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: classical
genre: opera
isrc code: USY3P2206391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:00:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xffffa236ec107408493e2afc9a578fd95b3c4c8ffbe92e60e914d6353b31efe5
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/USY3P2206391
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffffa236ec107408493e2afc9a578fd95b3c4c8ffbe92e60e914d6353b31efe5. 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/USY3P2206391.
  date published: 2026-07-08T03:22:41Z
audio: La traviata / Act II: Imponete - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.852
  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: 0.37
  additional property: Energy
    type: PropertyValue
    value: 0.238
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.598
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.559
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Thaïs / Act II: Dis-moi que je suis belle - Live
type: MusicRecording
duration: PT4M15S
duration ms: 255226
explicit: false
by artist: Jules Massenet
by artist: Renée Fleming
by artist: The Metropolitan Opera
by artist: Jesús López-Cobos
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: classical
isrc code: USY3P2206396
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:09:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e1c14a77e94b9a6cbf595128eed4d90146ef0a5c4c0ec5684daf5cb54ead738
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/USY3P2206396
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1c14a77e94b9a6cbf595128eed4d90146ef0a5c4c0ec5684daf5cb54ead738. 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/USY3P2206396.
  date published: 2026-07-08T03:22:41Z
audio: Thaïs / Act II: Dis-moi que je suis belle - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.256
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.447
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Merry Widow / Act II: Hello, here's a soldier bold - Live
type: MusicRecording
duration: PT3M11S
duration ms: 191573
explicit: false
by artist: Franz Lehár
by artist: Renée Fleming
by artist: Nathan Gunn
by artist: The Metropolitan Opera
by artist: Sir Andrew Davis
in album: Her Greatest Moments at the MET
  type: MusicAlbum
  date published: 2023-01-13
genre: opera
isrc code: USY3P2206399
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:58:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c8143d9cdf7ad744861ff32e0dedc0465f7618bbd757f3414b000e4e1c57443
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Merry Widow / Act II: Hello, here's a soldier bold - Live
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Heggie: Great Scott
type: MusicAlbum
date published: 2018-01-12

Renée Fleming - Bel Canto Scenes
type: MusicAlbum
date published: 2002-08-19
track: La Sonnambula / Act 2: Ah, non giunge uman pensiero
track: Maria Padilla - opera in 3 Acts: Abbraciami
track: Il pirata / Act 2: Introduzione
track: Il pirata / Act 2: Col sorriso d'innocenza
track: La Sonnambula / Act 2: Oh! Se una volta sola
track: La Sonnambula / Act 2: Ah, non credea mirarti
track: Maria Padilla - opera in 3 Acts: Il più tenero suon d'arpa
track: Maria Padilla - opera in 3 Acts: Ah non sai qual prestigio si cela...
track: Armida / Act 2: D'amor al dolce impero...
track: Lucrezia Borgia / Act 2: Figlio, figlio! Ola, qualcuno!
track: Lucrezia Borgia / Act 2: Era desso il figlio mio

Music For A Royal Occasion
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: R.A.F. March Past
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track: Land Of Hope And Glory
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Land Of Hope And Glory
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track: Jerusalem
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  by artist: Waynflete Singers
  by artist: Winchester Cathedral Choir
  by artist: Timothy Byram-Wigfield
  by artist: Bournemouth Symphony Orchestra
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    date published: 2016-05-27
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  subject of: OpenTimestamps Proof of Existence
  audio: Jerusalem
track: I Vow To Thee, My Country
track: Music for the Royal Fireworks: Suite HWV 351 - Arr. Eyton: La Réjouissance
track: Rule Britannia
track: Battle Of Britain March
track: Ubi Caritas
track: The British Grenadiers
track: God Save The King (British National Anthem)
track: Auld Lang Syne

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

OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-08T08:56:20Z

Jerusalem
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I Vow To Thee, My Country
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by artist: The Prague Symphonia
by artist: Rudolfus Choir
by artist: Anthony Ingliss
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: I Vow To Thee, My Country
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Music for the Royal Fireworks: Suite HWV 351 - Arr. Eyton: La Réjouissance
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by artist: The Coldstream Guards Band
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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: Music for the Royal Fireworks: Suite HWV 351 - Arr. Eyton: La Réjouissance
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Rule Britannia
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duration ms: 287453
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by artist: Della Jones
by artist: Royal Choral Society
by artist: BBC Concert Orchestra
by artist: Barry Wordsworth
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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: 2026-07-08T08:56:20Z
audio: Rule Britannia
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  additional property: Loudness (dB)
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  additional property: Key Name
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Battle Of Britain March
type: MusicRecording
duration: PT2M35S
duration ms: 155853
explicit: false
by artist: Ron Goodwin
by artist: Central Band Of The Royal Air Force
in album: Music For A Royal Occasion
  type: MusicAlbum
  date published: 2016-05-27
popularity: 7
isrc code: GBUM71024339
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/GBUM71024339
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8edf9c75b03990261d69cc98d96173760681102c00b1b8b699d20b7cc4ddd841. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71024339.
  date published: 2026-07-07T14:04:01Z
audio: Battle Of Britain March
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.492
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Ubi Caritas
type: MusicRecording
duration: PT3M50S
duration ms: 230066
explicit: false
by artist: Paul Mealor
by artist: Tenebrae
by artist: Nigel Short
in album: Music For A Royal Occasion
  type: MusicAlbum
  date published: 2016-05-27
popularity: 1
genre: choral
isrc code: GBUM71106770
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/GBUM71106770
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73039d9f8b97d161ddd02bc8fa1c08eae68b1b26761d04bf0236af8fabceb75. 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/GBUM71106770.
  date published: 2026-07-08T08:56:20Z
audio: Ubi Caritas
  type: AudioObject
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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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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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The British Grenadiers
type: MusicRecording
duration: PT2M42S
duration ms: 162293
explicit: false
by artist: Traditional
by artist: The Coldstream Guards Band
in album: Music For A Royal Occasion
  type: MusicAlbum
  date published: 2016-05-27
popularity: 18
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: GBUM71101132
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71101132
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d14a55e7080c7e2b55c7d0de716555f1a3e587eade1c7ceeaca0aa4aa6f098b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71101132.
  date published: 2026-07-02T03:30:09Z
audio: The British Grenadiers
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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God Save The King (British National Anthem)
type: MusicRecording
duration: PT1M11S
duration ms: 71360
explicit: false
by artist: Traditional
by artist: The Coldstream Guards Band
in album: Music For A Royal Occasion
  type: MusicAlbum
  date published: 2016-05-27
popularity: 14
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: GBUM71101219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T08:49:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc1744cd2f65b4de7e2cadad46e52f0414e1575cbe2d1803074f77ad65bcede2
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/GBUM71101219
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1744cd2f65b4de7e2cadad46e52f0414e1575cbe2d1803074f77ad65bcede2. 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/GBUM71101219.
  date published: 2026-07-02T03:55:08Z
audio: God Save The King (British National Anthem)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.158
  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: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.289
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.913
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.913
  additional property: Liveness
    type: PropertyValue
    value: 0.516
  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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Auld Lang Syne
type: MusicRecording
duration: PT3M57S
duration ms: 237040
explicit: false
by artist: Traditional
by artist: The Royal Scots Dragoon Guards
by artist: Cliff Masterson
by artist: The Czech Film Orchestra
in album: Music For A Royal Occasion
  type: MusicAlbum
  date published: 2016-05-27
popularity: 3
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: GBUM70813570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T13:22:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5fbed4847c6fccbe8c9b7bfd36a277c5e5e9bf356d762f529a89a5ba00dc50e
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/GBUM70813570
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fbed4847c6fccbe8c9b7bfd36a277c5e5e9bf356d762f529a89a5ba00dc50e. 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/GBUM70813570.
  date published: 2026-07-08T03:20:19Z
audio: Auld Lang Syne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.29
  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
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Heggie: It's a Wonderful Life
type: MusicAlbum
date published: 2017-09-01

The Russian Five
type: MusicAlbum
date published: 2017-02-23
track: Prince Igor, Act II: Polovtsian Dances (Allegro)
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137600
  explicit: false
  by artist: Alexander Borodin
  by artist: Beecham Choral Society
  by artist: Royal Philharmonic Orchestra
  by artist: Sir Thomas Beecham
  in album: The Russian Five
    type: MusicAlbum
    date published: 2017-02-23
  genre: classical
  genre: late-romantic-era
  genre: early-modern-classical
  genre: russian-romanticism
  isrc code: GBAYC9801251
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T02:42:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x547d04d5b0b65aeb024a5f69ea0f76d30cd1bc7b378fb6e1f212b41a30046af4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801251
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547d04d5b0b65aeb024a5f69ea0f76d30cd1bc7b378fb6e1f212b41a30046af4. 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/GBAYC9801251.
    date published: 2026-07-08T03:53:27Z
  audio: Prince Igor, Act II: Polovtsian Dances (Allegro)
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 171.608
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.173
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.946
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.088
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.124
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.733
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Love Duets
type: MusicAlbum
date published: 2014-05-01

Three Decembers
type: MusicAlbum
date published: 2008-12-01

The Refuge
type: MusicAlbum
date published: 2008-05-01

Arias & Duets
type: MusicAlbum
date published: 1998-03-11

Arias & Duets (Dmitri Hvorostovsky – The Philips Recitals, Vol. 11)
type: MusicAlbum
date published: 1998

Renée Fleming: By Request
type: MusicAlbum
date published: 2003-01-01
track: Gianni Schicchi: "O mio babbino caro" [Gianni Schicchi]
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170013
  explicit: false
  by artist: Giacomo Puccini
  by artist: Renée Fleming
  by artist: London Philharmonic Orchestra
  by artist: Sir Charles Mackerras
  in album: Renée Fleming: By Request
    type: MusicAlbum
    date published: 2003-01-01
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  additional property: CopyrightID
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB1400001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1a63acc8ae123ab1f0e15eb515af7b36707e1c875e60ff5af8ba63a94972ff. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB1400001.
    date published: 2026-07-06T06:56:49Z
  audio: Gianni Schicchi: "O mio babbino caro" [Gianni Schicchi]
    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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track: La Wally, Act I: Ebben? Ne andrò lontana [La Wally, Drama lirica in quattro atti]
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    date published: 2026-07-08T03:53:27Z
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track: Le nozze di Figaro, K. 492 / Act 2: "Porgi amor" [Le nozze di Figaro, K.492]
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  subject of: OpenTimestamps Proof of Existence
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track: Così fan tutte / Act 1: "Come scoglio" [Così fan tutte ossia La scuola degli amanti, K.588] - Applause omitted at end
track: Norma / Act 1: Casta Diva [Norma]
track: Madama Butterfly, SC 74, Act II: Un bel dì vedremo [Madama Butterfly]
track: Gretchen am Spinnrade, D. 118
track: Après un rêve
track: Faust / Act 3: Air des bijoux (Jewel song) [Faust]
track: Manon / Act 3: Je marche sur les chemins...Obéissons quand leur voix appelle) [Manon]
track: Roméo et Juliette, CG 9, Act I: "Ah, je veux vivre" [Roméo et Juliette]
track: Rusalka, Op. 114, Act I: O Silver Moon [Rusalka]
track: Fourteen Songs, Op. 34: Vocalise, Op.34, No.14
track: Caecilie, Op. 27, No. 2
track: Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied) [Die tote Stadt]
track: La traviata - original version / Act 1: Ah, fors'è lui...Sempre libera [La traviata]

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

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Così fan tutte / Act 1: "Come scoglio" [Così fan tutte ossia La scuola degli amanti, K.588] - Applause omitted at end
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Così fan tutte / Act 1: "Come scoglio" [Così fan tutte ossia La scuola degli amanti, K.588] - Applause omitted at end
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Norma / Act 1: Casta Diva [Norma]
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Norma / Act 1: Casta Diva [Norma]
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Madama Butterfly, SC 74, Act II: Un bel dì vedremo [Madama Butterfly]
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subject of: OpenTimestamps Proof of Existence
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audio: Madama Butterfly, SC 74, Act II: Un bel dì vedremo [Madama Butterfly]
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Gretchen am Spinnrade, D. 118
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Après un rêve
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subject of: OpenTimestamps Proof of Existence
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audio: Après un rêve
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Faust / Act 3: Air des bijoux (Jewel song) [Faust]
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Manon / Act 3: Je marche sur les chemins...Obéissons quand leur voix appelle) [Manon]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Roméo et Juliette, CG 9, Act I: "Ah, je veux vivre" [Roméo et Juliette]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Roméo et Juliette, CG 9, Act I: "Ah, je veux vivre" [Roméo et Juliette]
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Rusalka, Op. 114, Act I: O Silver Moon [Rusalka]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Rusalka, Op. 114, Act I: O Silver Moon [Rusalka]
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Fourteen Songs, Op. 34: Vocalise, Op.34, No.14
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Fourteen Songs, Op. 34: Vocalise, Op.34, No.14
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Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied) [Die tote Stadt]
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subject of: OpenTimestamps Proof of Existence
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Anna Netrebko - Live at the Metropolitan Opera
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track: I Puritani / Act II: Qui la voce sua soave - Live At Metropolitan Opera House, New York / 2011
track: Don Pasquale / Act III: "Senz'andar lungi...La morale in tutto questo" - Live At Metropolitan Opera House, New York / 2011
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957048
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102724
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:18:56Z
  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 0xf89536850fd1661c61f80c9d897c854a2bf8535cfa7f73f0560488afac1d74b1. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/DEUM71102724.
    date published: 2026-07-07T14:18:56Z
  audio: Don Pasquale / Act III: "Senz'andar lungi...La morale in tutto questo" - Live At Metropolitan Opera House, New York / 2011
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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
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    additional property: Liveness
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    additional property: Valence (Positivity)
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track: Roméo et Juliette / Act IV: Nuit d'hymnénée! - Live At Metropolitan Opera House, New York / 2011
  type: MusicRecording
  duration: PT11M3S
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  by artist: Charles Gounod
  by artist: Anna Netrebko
  by artist: Roberto Alagna
  by artist: Metropolitan Opera Orchestra
  by artist: Plácido Domingo
  in album: Anna Netrebko - Live at the Metropolitan Opera
    type: MusicAlbum
    date published: 2011-01-01
  popularity: 3
  genre: opera
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102726
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be735e86a3780cbc72828437cf27b94fb26e2700e92e5648d8f4d3335ac9cbc. 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/DEUM71102726.
    date published: 2026-07-08T03:53:27Z
  audio: Roméo et Juliette / Act IV: Nuit d'hymnénée! - Live At Metropolitan Opera House, New York / 2011
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    additional property: Danceability
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    additional property: Energy
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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track: Roméo et Juliette / Act IV: "Dieu! quel frisson" / "Amour, ranime mon courage" - Live At Metropolitan Opera House, New York / 2011
  type: MusicRecording
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  explicit: false
  by artist: Charles Gounod
  by artist: Anna Netrebko
  by artist: Metropolitan Opera Orchestra
  by artist: Plácido Domingo
  in album: Anna Netrebko - Live at the Metropolitan Opera
    type: MusicAlbum
    date published: 2011-01-01
  popularity: 5
  genre: opera
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  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: Roméo et Juliette / Act IV: "Dieu! quel frisson" / "Amour, ranime mon courage" - Live At Metropolitan Opera House, New York / 2011
track: Lucia di Lammermoor / Act III: "Il dolce suono" - "Ardon gl'incensi" - Live At Metropolitan Opera House, New York / 2011
track: Les Contes d'Hoffmann / Act III: "Pourtant, ô ma fiancée" ... "C'est une chanson d'amour" - Live At Metropolitan Opera House, New York / 2011
track: La Bohème / Act III: "Donde lieta uscì" - Live At Metropolitan Opera House, New York / 2011

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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xaaf0333e36a5d882dc728d2ad211463c6fb3a633e70c8a97f1bb79faa6b6e98b

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102728

OTSTimestamp
type: PropertyValue
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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf0333e36a5d882dc728d2ad211463c6fb3a633e70c8a97f1bb79faa6b6e98b. 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/DEUM71102728.
date published: 2026-07-08T03:20:19Z

Roméo et Juliette / Act IV: "Dieu! quel frisson" / "Amour, ranime mon courage" - Live At Metropolitan Opera House, New York / 2011
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Lucia di Lammermoor / Act III: "Il dolce suono" - "Ardon gl'incensi" - Live At Metropolitan Opera House, New York / 2011
type: MusicRecording
duration: PT12M59S
duration ms: 779333
explicit: false
by artist: Gaetano Donizetti
by artist: Anna Netrebko
by artist: Metropolitan Opera Orchestra
by artist: Marco Armiliato
by artist: Metropolitan Opera Chorus
in album: Anna Netrebko - Live at the Metropolitan Opera
  type: MusicAlbum
  date published: 2011-01-01
popularity: 5
genre: opera
isrc code: DEUM71102729
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102729
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d90057cb9c7bd1e679bacd9bbde826ff1493b0da80098ce46fd4d0b74b60c48. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102729.
  date published: 2026-07-06T07:53:57Z
audio: Lucia di Lammermoor / Act III: "Il dolce suono" - "Ardon gl'incensi" - Live At Metropolitan Opera House, New York / 2011
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.505
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Les Contes d'Hoffmann / Act III: "Pourtant, ô ma fiancée" ... "C'est une chanson d'amour" - Live At Metropolitan Opera House, New York / 2011
type: MusicRecording
duration: PT3M59S
duration ms: 239160
explicit: false
by artist: Jacques Offenbach
by artist: Anna Netrebko
by artist: Joseph Calleja
by artist: Metropolitan Opera Orchestra
by artist: James Levine
in album: Anna Netrebko - Live at the Metropolitan Opera
  type: MusicAlbum
  date published: 2011-01-01
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEUM71102731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102731
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 0x3697b39e6e76a347548b54bdf4b38643ea23ce6e2ca62dd96da77a67fa5044aa. 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/DEUM71102731.
  date published: 2026-07-08T08:56:20Z
audio: Les Contes d'Hoffmann / Act III: "Pourtant, ô ma fiancée" ... "C'est une chanson d'amour" - Live At Metropolitan Opera House, New York / 2011
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.667
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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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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La Bohème / Act III: "Donde lieta uscì" - Live At Metropolitan Opera House, New York / 2011
type: MusicRecording
duration: PT3M29S
duration ms: 209200
explicit: false
by artist: Giacomo Puccini
by artist: Anna Netrebko
by artist: Metropolitan Opera Orchestra
by artist: Marco Armiliato
in album: Anna Netrebko - Live at the Metropolitan Opera
  type: MusicAlbum
  date published: 2011-01-01
popularity: 3
isrc code: DEUM71102732
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/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71102732
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a57bb1a0eeb68a0cce29a80c1a6442aeb708e23ccf88b858911790a9d181519. 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/DEUM71102732.
  date published: 2026-07-08T03:53:27Z
audio: La Bohème / Act III: "Donde lieta uscì" - Live At Metropolitan Opera House, New York / 2011
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Instrumentalness
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  additional property: Loudness (dB)
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The Art of Renée Fleming
type: MusicAlbum
date published: 2012-01-01
track: Ave Maria, D. 839
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  by artist: Royal Philharmonic Orchestra
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  in album: The Art of Renée Fleming
    type: MusicAlbum
    date published: 2012-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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track: Roméo et Juliette, CG 9, Act I: Ah, je veux vivre
track: Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied)
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track: La Wally, Act I: Ebben? Ne andrò lontana
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track: Gianni Schicchi: O mio babbino caro
track: Serse, HWV 40, Act I: Ombra mai fu
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OpenTimestamps Proof of Existence
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Adriana Lecouvreur, Act I: Io son l'umile ancella
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Roméo et Juliette, CG 9, Act I: Ah, je veux vivre
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Die tote Stadt, Act I: Glück, das mir verblieb (Mariettalied)
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Rusalka, Op. 114, Act I: O Silver Moon
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La Wally, Act I: Ebben? Ne andrò lontana
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Madama Butterfly, SC 74, Act II: Un bel dì vedremo
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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: Madama Butterfly, SC 74, Act II: Un bel dì vedremo
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Porgy and Bess, Act I: Summertime
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by artist: Renée Fleming
by artist: New York Voices
by artist: Metropolitan Opera Orchestra
by artist: James Levine
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Porgy and Bess, Act I: Summertime
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Gianni Schicchi: O mio babbino caro
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by artist: Renée Fleming
by artist: London Philharmonic Orchestra
by artist: Sir Charles Mackerras
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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: Gianni Schicchi: O mio babbino caro
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Serse, HWV 40, Act I: Ombra mai fu
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by artist: Renée Fleming
by artist: Orchestra of the Age of Enlightenment
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Serse, HWV 40, Act I: Ombra mai fu
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ReJOYCE!
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Handel: Rodelinda, HWV 19, Act 2, Scene 7: Duetto. "Io t'abraccio" (Rodelinda, Bertarido)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi che sapete" (Cherubino)
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track: Mozart: Don Giovanni, K. 527, Act 2: "In quali eccessi, o numi... Mi tradi quell'alma ingrata" (Donna Elvira)
track: Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
track: Rossini: Maometto secondo, Act 1: "Giusto ciel, in tal periglio" (Anna, Chorus)

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Mozart: Le nozze di Figaro, K. 492, Act 2: "Voi che sapete" (Cherubino)
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Mozart: Don Giovanni, K. 527, Act 2: "In quali eccessi, o numi... Mi tradi quell'alma ingrata" (Donna Elvira)
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by artist: Joyce DiDonato
by artist: Mahler Chamber Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Mozart: Don Giovanni, K. 527, Act 2: "In quali eccessi, o numi... Mi tradi quell'alma ingrata" (Donna Elvira)
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Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
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by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Edoardo Muller
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Rossini: Il barbiere di Siviglia, Act 1 Scene 5: No. 9, Cavatina, "Una voce poco fa" (Rosina)
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Rossini: Maometto secondo, Act 1: "Giusto ciel, in tal periglio" (Anna, Chorus)
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by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Coro dell'Accademia Nazionale Di Santa Cecilia
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rossini: Maometto secondo, Act 1: "Giusto ciel, in tal periglio" (Anna, Chorus)
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Renée Fleming singt italienische Arien
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date published: 2010-01-01
track: Gianni Schicchi: O mio babbino caro
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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: Gianni Schicchi: O mio babbino caro
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track: La Wally, Act I: Ebben? Ne andrò lontana
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: La Wally, Act I: Ebben? Ne andrò lontana
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track: La rondine, SC 83 / Act I: "Chi il bel sogno di Doretta"
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  by artist: English Chamber Orchestra
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  subject of: OpenTimestamps Proof of Existence
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track: Madama Butterfly, SC 74, Act II: Un bel dì vedremo
track: Norma / Act 1: Casta Diva

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

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28aa4cf00e59de28aaa62831a8034c903c44f74d5788c7d3e34172d89f1f7a6e. 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/GBF079710190.
date published: 2026-07-08T03:20:19Z

La rondine, SC 83 / Act I: "Chi il bel sogno di Doretta"
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Madama Butterfly, SC 74, Act II: Un bel dì vedremo
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by artist: London Philharmonic Orchestra
by artist: Sir Charles Mackerras
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subject of: OpenTimestamps Proof of Existence
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Norma / Act 1: Casta Diva
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audio: Norma / Act 1: Casta Diva
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track: Le nozze di Figaro, K.492 / Act 3: "Dove sono i bei momenti"

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The Art of Susan Graham
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Romantic Classical Music
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Classic Originals - Pieces In The Original Style 2
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Susan Graham Artist Portrait 2007
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