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type: MusicGroup
genre: opera
popularity: 6
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe83ee23a45a4719bc082e92045115e7f55b288fcb105d5375e5d1d100b70d64d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953889
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0eb02096-0896-4a60-a1b4-f5b652015c33.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0eb02096-0896-4a60-a1b4-f5b652015c33.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0eb02096-0896-4a60-a1b4-f5b652015c33
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83ee23a45a4719bc082e92045115e7f55b288fcb105d5375e5d1d100b70d64d. Chain 2 (Bitcoin): anchored in block 953889 (2026-06-16T04:57:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0eb02096-0896-4a60-a1b4-f5b652015c33.json and https://artists.proofprofile.net/proofs/artist/0eb02096-0896-4a60-a1b4-f5b652015c33.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T04:57:45Z
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track: Otello, ossia Il moro di Venezia: Act I: Sinfonia
  type: MusicRecording
  duration: PT7M42S
  duration ms: 462893
  explicit: false
  by artist: Gioachino Rossini
  by artist: Michael Spyres
  by artist: Jessica Pratt
  by artist: Ugo Guagliardo
  by artist: Filippo Adami
  by artist: Giorgio Trucco
  by artist: Geraldine Chauvet
  by artist: Sean Spyres
  by artist: Hugo Colin
  by artist: Leonardo Cortellazzi
  by artist: Transylvania State Philharmonic Choir
  by artist: Virtuosi Brunensis
  by artist: Antonino Fogliani
  in album: Rossini: Otello
    type: MusicAlbum
    date published: 2010-04-27
  genre: classical
  genre: opera
  isrc code: HKI190968501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:59:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190968501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77fff662298d800f55bb7fff8bbb0cc3d49b0f89e7ca4fc239552cfbccd3b368. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/HKI190968501.
    date published: 2026-07-31T12:24:41Z
  audio: Otello, ossia Il moro di Venezia: Act I: Sinfonia
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      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)
      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
      type: PropertyValue
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track: Otello, ossia Il moro di Venezia: Act I: Viva Otello (Choir)
  type: MusicRecording
  duration: PT4M43S
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  explicit: false
  by artist: Gioachino Rossini
  by artist: Michael Spyres
  by artist: Jessica Pratt
  by artist: Ugo Guagliardo
  by artist: Filippo Adami
  by artist: Giorgio Trucco
  by artist: Geraldine Chauvet
  by artist: Sean Spyres
  by artist: Hugo Colin
  by artist: Leonardo Cortellazzi
  by artist: Transylvania State Philharmonic Choir
  by artist: Virtuosi Brunensis
  by artist: Antonino Fogliani
  in album: Rossini: Otello
    type: MusicAlbum
    date published: 2010-04-27
  genre: classical
  genre: opera
  isrc code: HKI190968502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:33:04+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x5b112e1f22d81be5d27d72f3e2134173015e91486234d56d920699f6186c47c2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190968502
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b112e1f22d81be5d27d72f3e2134173015e91486234d56d920699f6186c47c2. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/HKI190968502.
    date published: 2026-07-31T12:24:41Z
  audio: Otello, ossia Il moro di Venezia: Act I: Viva Otello (Choir)
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 160.051
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
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track: Otello, ossia Il moro di Venezia: Act I: Cavatina: Ah si, per voi gia sento (Otello, Jago, Choir)
track: Otello, ossia Il moro di Venezia: Act I: Duet: No, non temer, serena (Jago, Rodrigo)
track: Otello, ossia Il moro di Venezia: Act I: Duet: Vorrei, che il tuo pensiero (Desdemona, Emilia)

Time Signature
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value: 5

Danceability
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value: 0.323

Energy
type: PropertyValue
value: 0.247

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.97

Instrumentalness
type: PropertyValue
value: 0.526

Liveness
type: PropertyValue
value: 0.41

Valence (Positivity)
type: PropertyValue
value: 0.435

Loudness (dB)
type: PropertyValue
value: -20.621

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Otello, ossia Il moro di Venezia: Act I: Cavatina: Ah si, per voi gia sento (Otello, Jago, Choir)
type: MusicRecording
duration: PT6M50S
duration ms: 410120
explicit: false
by artist: Gioachino Rossini
by artist: Michael Spyres
by artist: Jessica Pratt
by artist: Ugo Guagliardo
by artist: Filippo Adami
by artist: Giorgio Trucco
by artist: Geraldine Chauvet
by artist: Sean Spyres
by artist: Hugo Colin
by artist: Leonardo Cortellazzi
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Antonino Fogliani
in album: Rossini: Otello
  type: MusicAlbum
  date published: 2010-04-27
genre: classical
genre: opera
isrc code: HKI190968504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:57:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55e0dcb6107b4925b1fbb3989f83b35456504cdf3173c3e27c9c11cfef19e49d
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/HKI190968504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e0dcb6107b4925b1fbb3989f83b35456504cdf3173c3e27c9c11cfef19e49d. 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/HKI190968504.
  date published: 2026-07-02T03:55:08Z
audio: Otello, ossia Il moro di Venezia: Act I: Cavatina: Ah si, per voi gia sento (Otello, Jago, Choir)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.752
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Otello, ossia Il moro di Venezia: Act I: Duet: No, non temer, serena (Jago, Rodrigo)
type: MusicRecording
duration: PT5M36S
duration ms: 336560
explicit: false
by artist: Gioachino Rossini
by artist: Michael Spyres
by artist: Jessica Pratt
by artist: Ugo Guagliardo
by artist: Filippo Adami
by artist: Giorgio Trucco
by artist: Geraldine Chauvet
by artist: Sean Spyres
by artist: Hugo Colin
by artist: Leonardo Cortellazzi
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Antonino Fogliani
in album: Rossini: Otello
  type: MusicAlbum
  date published: 2010-04-27
genre: classical
genre: opera
isrc code: HKI190968506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:53:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaf9f274cdd657fd981f7589c0ae08efbd2efee3e5db3dbc3fb3d3fb4fb0706a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190968506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf9f274cdd657fd981f7589c0ae08efbd2efee3e5db3dbc3fb3d3fb4fb0706a. 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/HKI190968506.
  date published: 2026-07-30T14:36:16Z
audio: Otello, ossia Il moro di Venezia: Act I: Duet: No, non temer, serena (Jago, Rodrigo)
  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)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.304
  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
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Otello, ossia Il moro di Venezia: Act I: Duet: Vorrei, che il tuo pensiero (Desdemona, Emilia)
type: MusicRecording
duration: PT4M5S
duration ms: 245426
explicit: false
by artist: Gioachino Rossini
by artist: Michael Spyres
by artist: Jessica Pratt
by artist: Ugo Guagliardo
by artist: Filippo Adami
by artist: Giorgio Trucco
by artist: Geraldine Chauvet
by artist: Sean Spyres
by artist: Hugo Colin
by artist: Leonardo Cortellazzi
by artist: Transylvania State Philharmonic Choir
by artist: Virtuosi Brunensis
by artist: Antonino Fogliani
in album: Rossini: Otello
  type: MusicAlbum
  date published: 2010-04-27
genre: classical
genre: opera
isrc code: HKI190968508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:42:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76e6089a978dd8439b434b0abefc9b9b1f1b056a3212c012b5c44394d8b93d22
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190968508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76e6089a978dd8439b434b0abefc9b9b1f1b056a3212c012b5c44394d8b93d22. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190968508.
  date published: 2026-07-31T00:26:26Z
audio: Otello, ossia Il moro di Venezia: Act I: Duet: Vorrei, che il tuo pensiero (Desdemona, Emilia)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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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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