Miguel Da Silva
type: MusicGroup
genre: chamber music
description: Miguel da Silva (c. 1480 – 5 June 1556) was a Portuguese nobleman, the second son of Diogo da Silva, 1st Count of Portalegre and of his wife Maria de Ayala, a Castilian noblewomen. He was ambassador o
popularity: 10
followers: 90
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c43e0a52de586dd1841688afd79e0e9e1441ccfc281361c343d3b0cf18e9c03. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b7dcd8dc-17e4-4dd1-9507-c22c2639c4f1.json and https://artists.proofprofile.net/proofs/artist/b7dcd8dc-17e4-4dd1-9507-c22c2639c4f1.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T07:29:20Z
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track: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: I. Adagio, Allegro
  type: MusicRecording
  duration: PT11M38S
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  by artist: Louise Farrenc
  by artist: Vincent Pasquier
  by artist: Miguel Da Silva
  by artist: Philippe Bernold
  by artist: André Cazalet
  by artist: Guillaume Sutre
  by artist: François Leleux
  by artist: Romain Guyot
  by artist: Gilbert Audin
  by artist: François Salque
  in album: Farrenc: Chamber Music
    type: MusicAlbum
    date published: 2005-08-30
  isrc code: FRZ130500091
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  additional property: OTSTimestamp
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    value: 2026-07-31T06:58:00Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa679b2366c91d4553458c82b85363b564e7f2b8f39ad0480b21a03834869d6. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130500091 — a six-check JSON result.
    date published: 2026-07-31T06:58:00Z
  audio: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: I. Adagio, Allegro
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    additional property: Loudness (dB)
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track: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: II. Andante con moto
  type: MusicRecording
  duration: PT7M30S
  duration ms: 450573
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  by artist: Louise Farrenc
  by artist: Vincent Pasquier
  by artist: Miguel Da Silva
  by artist: Philippe Bernold
  by artist: André Cazalet
  by artist: Guillaume Sutre
  by artist: François Leleux
  by artist: Romain Guyot
  by artist: Gilbert Audin
  by artist: François Salque
  in album: Farrenc: Chamber Music
    type: MusicAlbum
    date published: 2005-08-30
  isrc code: FRZ130500092
  additional property: CopyrightID
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    value: registered
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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 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 0x7a0db8f51d548f4cc34ed63e9da1efe646c57ed748e7aeeb116523d69986950c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130500092 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: II. Andante con moto
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    additional property: Tempo (BPM)
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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: Speechiness
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
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track: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: III. Scherzo, Vivace
track: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: IV. Adagio, Allegro

Speechiness
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value: 0.046

Acousticness
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Instrumentalness
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value: 0.604

Liveness
type: PropertyValue
value: 0.244

Valence (Positivity)
type: PropertyValue
value: 0.27

Loudness (dB)
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value: -26.185

Key Name
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value: Bb

Mode Name
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value: Major

Nonette Pour Cordes Et Vents en Mi Bémol Majeur: III. Scherzo, Vivace
type: MusicRecording
duration: PT4M26S
duration ms: 266920
explicit: false
by artist: Louise Farrenc
by artist: Vincent Pasquier
by artist: Miguel Da Silva
by artist: Philippe Bernold
by artist: André Cazalet
by artist: Guillaume Sutre
by artist: François Leleux
by artist: Romain Guyot
by artist: Gilbert Audin
by artist: François Salque
in album: Farrenc: Chamber Music
  type: MusicAlbum
  date published: 2005-08-30
isrc code: FRZ130500093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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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 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 0x0f504ad2d41527c1852f75bdb723489516a336ae81a5266d194db035dde9519a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130500093 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: III. Scherzo, Vivace
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  additional property: Tempo (BPM)
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  additional property: Key Name
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Nonette Pour Cordes Et Vents en Mi Bémol Majeur: IV. Adagio, Allegro
type: MusicRecording
duration: PT5M35S
duration ms: 335320
explicit: false
by artist: Louise Farrenc
by artist: Vincent Pasquier
by artist: Miguel Da Silva
by artist: Philippe Bernold
by artist: André Cazalet
by artist: Guillaume Sutre
by artist: François Leleux
by artist: Romain Guyot
by artist: Gilbert Audin
by artist: François Salque
in album: Farrenc: Chamber Music
  type: MusicAlbum
  date published: 2005-08-30
isrc code: FRZ130500094
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-31T07:41:33+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xec5cc255b44b18c1bb9e3fe91e3f130082237222e095165f151c88b472971563
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 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 0xec5cc255b44b18c1bb9e3fe91e3f130082237222e095165f151c88b472971563. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130500094 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Nonette Pour Cordes Et Vents en Mi Bémol Majeur: IV. Adagio, Allegro
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