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type: MusicGroup
genre: swedish ballads
popularity: 6
followers: 39
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x331d5f7a2175c589053f8ca95c7cac5f31dc02fd5bbb1568c35ee562063279d6
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c9e0a8c-bdad-417c-82ee-2432b012a20a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c9e0a8c-bdad-417c-82ee-2432b012a20a.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c9e0a8c-bdad-417c-82ee-2432b012a20a
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x331d5f7a2175c589053f8ca95c7cac5f31dc02fd5bbb1568c35ee562063279d6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c9e0a8c-bdad-417c-82ee-2432b012a20a.json and https://artists.proofprofile.net/proofs/artist/7c9e0a8c-bdad-417c-82ee-2432b012a20a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:07:14Z
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track: Maria Stuarda: Vedeste?
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345626
  explicit: false
  by artist: Gaetano Donizetti
  by artist: Marco Guidarini
  by artist: Kungliga Hovkapellet
  by artist: Stockholms Kammarkör
  in album: Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
    type: MusicAlbum
    date published: 2000-01-01
  genre: opera
  isrc code: SEBAC9513110
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e7b2a31672c9ceef35a410564285304c0e7dd12d0ea222f1f71e9393c1e4209. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513110.
    date published: 2026-06-13T12:47:07Z
  audio: Maria Stuarda: Vedeste?
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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: 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: Valence (Positivity)
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track: Maria Stuarda: Anna! - Io vi rivedo alfin - Deh! Tu di un'umile preghiera il suono
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  by artist: Gaetano Donizetti
  by artist: Lena Nordin
  by artist: Marco Guidarini
  by artist: Stockholms Kammarkör
  by artist: Kungliga Hovkapellet
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    type: MusicAlbum
    date published: 2000-01-01
  genre: opera
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe672615e106fc0d8fb7611cc12d58a04c49395ff16b3e880474e81e9224f0e59. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513120.
    date published: 2026-06-13T12:47:07Z
  audio: Maria Stuarda: Anna! - Io vi rivedo alfin - Deh! Tu di un'umile preghiera il suono
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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
      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
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Maria Stuarda: O colpo! - E già vicino del tuo morir l'istante
track: Maria Stuarda: Giunge il Conte
track: Maria Stuarda: Ah! Se un giorno da queste ritorte
track: Maria Stuarda: Act III: Vedeste?
track: Maria Stuarda: Act III: Anna! - Io vi rivedo alfin - Deh! Tu di un'umile preghiera il suono
track: Maria Stuarda: Act III: O colpo! - E gia vicino del tuo morir l'istante
track: Maria Stuarda: Act III: Last Scene: Giunge il Conte
track: Maria Stuarda: Act III: Ah! se un giorno de queste ritorte

Liveness
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value: 0.067

Valence (Positivity)
type: PropertyValue
value: 0.04

Loudness (dB)
type: PropertyValue
value: -20.3

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Maria Stuarda: O colpo! - E già vicino del tuo morir l'istante
type: MusicRecording
duration: PT5M27S
duration ms: 327373
explicit: false
by artist: Gaetano Donizetti
by artist: Lena Nordin
by artist: Carina Morling
by artist: Tord Wallström
by artist: Stockholms Kammarkör
by artist: Anders Bergstrom
by artist: Marco Guidarini
by artist: Kungliga Hovkapellet
in album: Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9513130
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1198f8a3016490eb6a9f3551d7702252fc588ae77266ecceccd40e86cc83d5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513130.
  date published: 2026-06-13T12:47:07Z
audio: Maria Stuarda: O colpo! - E già vicino del tuo morir l'istante
  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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  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)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Maria Stuarda: Giunge il Conte
type: MusicRecording
duration: PT2M0S
duration ms: 120026
explicit: false
by artist: Gaetano Donizetti
by artist: Lena Nordin
by artist: Ingus Petersons
by artist: Tord Wallström
by artist: Stockholms Kammarkör
by artist: Anders Bergstrom
by artist: Marco Guidarini
by artist: Kungliga Hovkapellet
in album: Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9513140
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/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513140
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 0xd71e354cffdd6ce79c01216ade7b00e9a14b69b57e39bfaa78a275b4b59d8806. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513140.
  date published: 2026-06-13T12:47:07Z
audio: Maria Stuarda: Giunge il Conte
  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
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Maria Stuarda: Ah! Se un giorno da queste ritorte
type: MusicRecording
duration: PT5M4S
duration ms: 304306
explicit: false
by artist: Gaetano Donizetti
by artist: Lena Nordin
by artist: Carina Morling
by artist: Ingus Petersons
by artist: Stockholms Kammarkör
by artist: Tord Wallström
by artist: Anders Bergstrom
by artist: Marco Guidarini
by artist: Kungliga Hovkapellet
in album: Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9513150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:03:16+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/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362d27c8db6e74e670dd518e6611315c1ec2ed971ef9cfb9862344105de32347. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEBAC9513150.
  date published: 2026-06-13T12:47:07Z
audio: Maria Stuarda: Ah! Se un giorno da queste ritorte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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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
    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)
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Maria Stuarda: Act III: Vedeste?
type: MusicRecording
duration: PT5M45S
duration ms: 345626
explicit: false
by artist: Gaetano Donizetti
by artist: Kungliga Hovkapellet
by artist: Stockholms Kammarkör
by artist: Marco Guidarini
in album: Carissimi, Donizetti & Schumann: Mary Stuart Queen of Scots
  type: MusicAlbum
  date published: 2000-01-01
genre: opera
isrc code: SEBAC9513110
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
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Maria Stuarda: Act III: Anna! - Io vi rivedo alfin - Deh! Tu di un'umile preghiera il suono
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  date published: 2026-06-13T12:47:07Z
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Maria Stuarda: Act III: O colpo! - E gia vicino del tuo morir l'istante
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  date published: 2026-06-13T12:47:07Z
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Maria Stuarda: Act III: Last Scene: Giunge il Conte
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  date published: 2026-06-13T12:47:07Z
audio: Maria Stuarda: Act III: Last Scene: Giunge il Conte
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Maria Stuarda: Act III: Ah! se un giorno de queste ritorte
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  date published: 2026-06-13T12:47:07Z
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