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track: La Fanciulla del West / Act 1: Che faranno i vecchi miei
track: La Fanciulla del West / Act 1: Hello ... Nick!
track: La Fanciulla del West / Act 1: Jim, perchè piangi?
track: La Fanciulla del West / Act 1: Andiam, ragazzi
track: La Fanciulla del West / Act 1: Un poker? Nick, gettoni!
track: La Fanciulla del West / Act 1: Mister Johnson, un valzer?
track: La Fanciulla del West / Act 3: Ah! Ah! Ah!
track: La Fanciulla del West / Act 3: Ah-Ah-Ah!
track: La Fanciulla del West / Act 3: E così, Mister Johnson, come va?
track: La Fanciulla del West / Act 1: Hello, Minnie!
track: La Fanciulla del West / Act 1: La posta! La posta!
track: La Fanciulla del West / Act 3: E anche tu lo vorrai
track: La Fanciulla del West / Act 3: Le tue parole sono di Dio
track: La Fanciulla del West / Act 3: Risparmiate lo scherno
track: La Fanciulla del West / Act 3: Basta!'quando per voi

La Fanciulla del West / Act 1: Che faranno i vecchi miei
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by artist: Gwynne Howell
by artist: Francis Egerton
by artist: Paul Crook
by artist: Robin Leggate
by artist: Jonathan Summers
by artist: Tom McDonnell
by artist: William Elvin
by artist: John Dobson
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: La Fanciulla del West / Act 1: Che faranno i vecchi miei
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La Fanciulla del West / Act 1: Hello ... Nick!
type: MusicRecording
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by artist: Giacomo Puccini
by artist: Jonathan Summers
by artist: John Dobson
by artist: Tom McDonnell
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: Malcolm King
by artist: Malcolm Rivers
by artist: Francis Egerton
by artist: Sherrill Milnes
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by artist: Zubin Mehta
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  date published: 2026-07-06T07:16:32Z
audio: La Fanciulla del West / Act 1: Hello ... Nick!
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La Fanciulla del West / Act 1: Jim, perchè piangi?
type: MusicRecording
duration: PT2M42S
duration ms: 162293
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by artist: Giacomo Puccini
by artist: Jonathan Summers
by artist: John Dobson
by artist: Tom McDonnell
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: Malcolm King
by artist: Malcolm Rivers
by artist: Sherrill Milnes
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
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popularity: 7
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additional property: OTSVerificationAPI
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  date published: 2026-07-08T03:22:41Z
audio: La Fanciulla del West / Act 1: Jim, perchè piangi?
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La Fanciulla del West / Act 1: Andiam, ragazzi
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by artist: Paul Crook
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by artist: William Elvin
by artist: Malcolm King
by artist: Malcolm Rivers
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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
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  date published: 2026-07-21T16:33:32Z
audio: La Fanciulla del West / Act 1: Andiam, ragazzi
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La Fanciulla del West / Act 1: Un poker? Nick, gettoni!
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  date published: 2026-07-21T16:34:46Z
audio: La Fanciulla del West / Act 1: Un poker? Nick, gettoni!
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  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.53
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.364
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.402
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Fanciulla del West / Act 1: Mister Johnson, un valzer?
type: MusicRecording
duration: PT4M40S
duration ms: 280600
explicit: false
by artist: Giacomo Puccini
by artist: Paul Crook
by artist: Plácido Domingo
by artist: Carol Neblett
by artist: John Dobson
by artist: Robin Leggate
by artist: Jonathan Summers
by artist: Tom McDonnell
by artist: William Elvin
by artist: Francis Egerton
by artist: Sherrill Milnes
by artist: Robert Lloyd
by artist: Eric Garrett
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 5
isrc code: DEF057730531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:39:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf39cd5d12261ecc8d52e167bd8f3bfc0f8e5a1acf17013fe68047f9fea96c877
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957043
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730531
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:52:39Z
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: 957043
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T13:52:39+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 0xf39cd5d12261ecc8d52e167bd8f3bfc0f8e5a1acf17013fe68047f9fea96c877. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/DEF057730531.
  date published: 2026-07-07T13:52:39Z
audio: La Fanciulla del West / Act 1: Mister Johnson, un valzer?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.814
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.241
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.167
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.516
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Fanciulla del West / Act 3: Ah! Ah! Ah!
type: MusicRecording
duration: PT4M16S
duration ms: 256293
explicit: false
by artist: Giacomo Puccini
by artist: Robert Lloyd
by artist: Sherrill Milnes
by artist: Robin Leggate
by artist: Paul Crook
by artist: Tom McDonnell
by artist: Jonathan Summers
by artist: Francis Egerton
by artist: John Dobson
by artist: William Elvin
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 4
isrc code: DEF057730546
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:50:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a4b1e217b188e6c4b601d8ac7e4cc959b18cea173864b81349f4db752525ccc
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/DEF057730546
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 0x3a4b1e217b188e6c4b601d8ac7e4cc959b18cea173864b81349f4db752525ccc. 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/DEF057730546.
  date published: 2026-07-08T03:22:41Z
audio: La Fanciulla del West / Act 3: Ah! Ah! Ah!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.895
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.509
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.533
  additional property: Liveness
    type: PropertyValue
    value: 0.624
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.562
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.171
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Fanciulla del West / Act 3: Ah-Ah-Ah!
type: MusicRecording
duration: PT1M55S
duration ms: 115266
explicit: false
by artist: Giacomo Puccini
by artist: Robin Leggate
by artist: Carol Neblett
by artist: John Dobson
by artist: Paul Crook
by artist: Tom McDonnell
by artist: William Elvin
by artist: Sherrill Milnes
by artist: Jonathan Summers
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 4
isrc code: DEF057730551
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:46:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x794a25fda116e87db12432c310151ba473a772e4ccf935813debd7f321f24176
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/DEF057730551
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
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 0x794a25fda116e87db12432c310151ba473a772e4ccf935813debd7f321f24176. 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/DEF057730551.
  date published: 2026-07-08T03:20:19Z
audio: La Fanciulla del West / Act 3: Ah-Ah-Ah!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.563
  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: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.441
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.355
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.051
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Fanciulla del West / Act 3: E così, Mister Johnson, come va?
type: MusicRecording
duration: PT2M4S
duration ms: 124266
explicit: false
by artist: Giacomo Puccini
by artist: Sherrill Milnes
by artist: Plácido Domingo
by artist: John Dobson
by artist: Paul Crook
by artist: Robin Leggate
by artist: Tom McDonnell
by artist: William Elvin
by artist: Jonathan Summers
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 3
isrc code: DEF057730548
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:48:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcda25c97cac835444b4f0fb58d6f1c323e3b6e1d10b5c60d6ac858e8eb9bf438
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/DEF057730548
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
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 0xcda25c97cac835444b4f0fb58d6f1c323e3b6e1d10b5c60d6ac858e8eb9bf438. 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/DEF057730548.
  date published: 2026-07-08T03:20:19Z
audio: La Fanciulla del West / Act 3: E così, Mister Johnson, come va?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.514
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.303
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.288
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.926
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Fanciulla del West / Act 1: Hello, Minnie!
type: MusicRecording
duration: PT3M46S
duration ms: 226800
explicit: false
by artist: Giacomo Puccini
by artist: Sherrill Milnes
by artist: Carol Neblett
by artist: Jonathan Summers
by artist: John Dobson
by artist: Tom McDonnell
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: Robert Lloyd
by artist: Francis Egerton
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 7
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619e6c779ab369354ad7e5bdfb1eec05fe6744a8366caa72c6e71ce94c17fa3b. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730525.
  date published: 2026-07-29T11:07:37Z
audio: La Fanciulla del West / Act 1: Hello, Minnie!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.618
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.586
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.125
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057730525
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: 960095
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730525
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Fanciulla del West / Act 1: La posta! La posta!
type: MusicRecording
duration: PT2M47S
duration ms: 167200
explicit: false
by artist: Giacomo Puccini
by artist: Francis Egerton
by artist: Gwynne Howell
by artist: John Dobson
by artist: Tom McDonnell
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: Carol Neblett
by artist: Sherrill Milnes
by artist: Robert Lloyd
by artist: Handel Owen
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 5
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb180869a750de5825acbba775fdba68a59238b1af9428135718c21a63c93473. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/DEF057730526.
  date published: 2026-07-29T13:21:01Z
audio: La Fanciulla del West / Act 1: La posta! La posta!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.743
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.12
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.436
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.172
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.725
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057730526
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: 960111
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730526
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960111
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:21:01+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Fanciulla del West / Act 3: E anche tu lo vorrai
type: MusicRecording
duration: PT3M32S
duration ms: 212240
explicit: false
by artist: Giacomo Puccini
by artist: Carol Neblett
by artist: Jonathan Summers
by artist: John Dobson
by artist: William Elvin
by artist: Paul Crook
by artist: Robin Leggate
by artist: Tom McDonnell
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 5
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55d4e1554e53d70b8faffccbc62bd121711c3c2a48a5682a80e31e45781ae093. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730511.
  date published: 2026-07-30T07:48:45Z
audio: La Fanciulla del West / Act 3: E anche tu lo vorrai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.867
  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: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.262
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.111
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057730511
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: 960222
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:48:45+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730511
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960222
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:48:45+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Fanciulla del West / Act 3: Le tue parole sono di Dio
type: MusicRecording
duration: PT2M23S
duration ms: 143240
explicit: false
by artist: Giacomo Puccini
by artist: Carol Neblett
by artist: Jonathan Summers
by artist: Plácido Domingo
by artist: Tom McDonnell
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: John Dobson
by artist: Francis Egerton
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 5
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03727788a8d3da96cb8ea87552e9cec84458acc59a5c379283a22da8f193788. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730553.
  date published: 2026-07-30T09:37:10Z
audio: La Fanciulla del West / Act 3: Le tue parole sono di Dio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.405
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.272
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.491
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057730553
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: 960236
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730553
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Fanciulla del West / Act 3: Risparmiate lo scherno
type: MusicRecording
duration: PT2M18S
duration ms: 138666
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Sherrill Milnes
by artist: John Dobson
by artist: Paul Crook
by artist: Robin Leggate
by artist: William Elvin
by artist: Jonathan Summers
by artist: Tom McDonnell
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 4
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701b3c7ff2faa1bc7b630e7bcb671ff8380b63d0c1feb0378ddc3e1ab431067d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730549.
  date published: 2026-07-30T15:42:38Z
audio: La Fanciulla del West / Act 3: Risparmiate lo scherno
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.086
  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: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.244
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.128
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.33
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF057730549
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: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730549
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Fanciulla del West / Act 3: Basta!'quando per voi
type: MusicRecording
duration: PT2M39S
duration ms: 159293
explicit: false
by artist: Giacomo Puccini
by artist: Carol Neblett
by artist: Jonathan Summers
by artist: John Dobson
by artist: William Elvin
by artist: Paul Crook
by artist: Robin Leggate
by artist: Tom McDonnell
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Zubin Mehta
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Robin Stapleton
in album: Puccini: La Fanciulla del West
  type: MusicAlbum
  date published: 1978-01-01
popularity: 4
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x637de55dc065a55d31c9b35739d2986a8f7f856a5619a54c0a7e413df72f6ae7. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730552.
  date published: 2026-07-30T14:36:16Z
audio: La Fanciulla del West / Act 3: Basta!'quando per voi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.512
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.326
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.367
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.992
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF057730552
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: 960264
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730552
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+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