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genre: chamber music
popularity: 5
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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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album: Beethoven: Complete Chamber Music with Flute
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    by artist: Ginevra Petrucci
    by artist: Giovanni Auletta
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    genre: classical
    genre: classical-piano
    genre: chamber-music
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T17:29:52Z
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album: Fontanesi: Orchestral Music
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  date published: 2017-07-07
album: Romantic Melodies for Flute & Piano
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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 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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      date published: 2026-07-31T15:20:15Z
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  track: Amour! Amour!
album: Flute Concertos
album: Peaceful Flute: The Romantic Collection
album: The World of Yesterday: 20th Century Works for Flute & Piano
album: David Fontanesi: Intimate Chamber Works
album: Fontanesi: Chamber Music with Flute
album: David Fontanesi: Four Concertos
album: David Fontanesi: The Third Way (Chamber Music and Sonatas for Winds)
album: Ries: Quartets for Flute & Strings
album: Georg Friedrich Handel, Flute Sonatas
album: Kempff: Chamber Music
album: Muczynski: Chamber Music
album: Flauto d'Amore
album: Dupuy & Büchner: Romantic Flute Concertos
album: HAYDN: Six Duo Concertantes for two Flutes
album: Briccialdi: Quattro concerti per flauto e orchestra
album: Kuhlau: Flute Quintets
album: Favourite Flute Concertos
album: Flauto Galante, Vol. 2
album: California Rain

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Amour! Amour!
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by artist: Ginevra Petrucci
by artist: Paola Pisa
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genre: opera
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subject of: OpenTimestamps Proof of Existence
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Flute Concertos
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date published: 2017-05-26
track: Flute Concerto in F Major, RV 433: I. Allegro
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T19:35:34Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T12:06:10Z
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track: Flute Concerto in G Minor, RV 439: I. Largo
track: Flute Concerto in G Minor, RV 439: II. Presto - Largo
track: Flute Concerto in G Minor, RV 439: III. Presto
track: Flute Concerto in G Minor, RV 439: IV. Largo
track: Flute Concerto in G Minor, RV 439: V. Allegro
track: Flute Concerto in D Major, RV 428: I. Allegro
track: Flute Concerto in D Major, RV 428: II. Largo
track: Flute Concerto in D Major, RV 428: III. Allegro
track: Flute Concerto in G Major, RV 435: I. Allegro
track: Flute Concerto in G Major, RV 435: II. Largo
track: Flute Concerto in G Major, RV 435: III. Allegro
track: Flute Concerto in F Major, RV 434: I. Allegro ma non tanto
track: Flute Concerto in F Major, RV 434: II. Largo cantabile
track: Flute Concerto in F Major, RV 434: III. Allegro
track: Flute Concerto in G Major, RV 437: I. Allegro
track: Flute Concerto in G Major, RV 437: II. Largo
track: Flute Concerto in G Major, RV 437: III. Allegro
track: Flute Concerto in G Major, WK 50: I. Allegro
track: Flute Concerto in G Major, WK 50: II. Adagio
track: Flute Concerto in G Major, WK 50: III. Presto
track: Flute Sonata in C Major, WK 123: I. Adagio
track: Flute Sonata in C Major, WK 123: II. Allegro
track: Trio Sonata in G Major, WK 80: I. Vivace
track: Trio Sonata in G Major, WK 80: III. Menuetto

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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 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 0x892318053ac73ad08ae84668d2603f243ad4239c9918a2685cd8a05ec34a807f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703586 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Flute Concerto in D Major, RV 428: I. Allegro
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Flute Concerto in D Major, RV 428: II. Largo
type: MusicRecording
duration: PT3M14S
duration ms: 194973
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703587
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8e1333612fe03257a475cd2b33a406a00931ce03a0369dbbab69d0d617cf8b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703587 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Flute Concerto in D Major, RV 428: II. Largo
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Flute Concerto in D Major, RV 428: III. Allegro
type: MusicRecording
duration: PT2M59S
duration ms: 179800
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703588
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703588
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 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 0x71beae539c561d51d771af67292196bce4c9534de0ce17831dcc9d7dcc9d0153. 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/NLY331703588 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Flute Concerto in D Major, RV 428: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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Flute Concerto in G Major, RV 435: I. Allegro
type: MusicRecording
duration: PT2M39S
duration ms: 159520
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703589
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703589
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0xad97732c315f7ff39ea7b45413d2c0967cc8136c04b526cb30340eaf80db1b6b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703589 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Flute Concerto in G Major, RV 435: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Energy
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Flute Concerto in G Major, RV 435: II. Largo
type: MusicRecording
duration: PT2M53S
duration ms: 173773
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703590
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703590
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 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 0x876d932283de463090a40e6d5e564d7997591af87174a3ce7e4a1c2bc6c21e72. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/NLY331703590 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Flute Concerto in G Major, RV 435: II. Largo
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Flute Concerto in G Major, RV 435: III. Allegro
type: MusicRecording
duration: PT2M15S
duration ms: 135053
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703591
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703591
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 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 0x97371ec6e5cb35213b77a3e43323959755f36883a1393e6e2e9c1c9af7708c7c. 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/NLY331703591 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in G Major, RV 435: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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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: Instrumentalness
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  additional property: Valence (Positivity)
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Flute Concerto in F Major, RV 434: I. Allegro ma non tanto
type: MusicRecording
duration: PT3M26S
duration ms: 206533
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703592
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703592
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 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 0x40fa174cd9e945f616726d51a1c7327ca15ec399212e14da3f94c4312d24a826. 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/NLY331703592 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in F Major, RV 434: I. Allegro ma non tanto
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Flute Concerto in F Major, RV 434: II. Largo cantabile
type: MusicRecording
duration: PT2M43S
duration ms: 163533
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
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  date published: 2026-07-31T15:20:15Z
audio: Flute Concerto in F Major, RV 434: II. Largo cantabile
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Flute Concerto in F Major, RV 434: III. Allegro
type: MusicRecording
duration: PT1M51S
duration ms: 111066
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703594
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 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 0x94c887d481fa28fff00e04eff0d81b222267cc5e7139795a71ffc435fbec53be. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703594 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Flute Concerto in F Major, RV 434: III. Allegro
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Flute Concerto in G Major, RV 437: I. Allegro
type: MusicRecording
duration: PT3M59S
duration ms: 239093
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703595
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: 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf988e7a2533b2cacf5e3451694817955cceceb6c92ab4e526f559eb73cf03d04. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/NLY331703595 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Flute Concerto in G Major, RV 437: I. Allegro
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Flute Concerto in G Major, RV 437: II. Largo
type: MusicRecording
duration: PT1M46S
duration ms: 106133
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703596
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27954f4f59f9a430d5072dfd4b3284fea5e4104d73730fc5db11d2cfd180087d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703596 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Flute Concerto in G Major, RV 437: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Flute Concerto in G Major, RV 437: III. Allegro
type: MusicRecording
duration: PT2M21S
duration ms: 141626
explicit: false
by artist: Antonio Vivaldi
by artist: L'Arte dell' Arco
by artist: Federico Guglielmo
by artist: Mario Folena
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: NLY331703597
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703597
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 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 0x88d299b4b80d91aa0efc837426b622ef25d4f6639f999f5f519cb9c1050be514. 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/NLY331703597 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in G Major, RV 437: III. Allegro
  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: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Flute Concerto in G Major, WK 50: I. Allegro
type: MusicRecording
duration: PT6M32S
duration ms: 392280
explicit: false
by artist: Carl Friedrich Abel
by artist: Nordic Affect
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
isrc code: NLY331703598
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703598
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 0x7fd6c7ce6901110ff2b78ec4bd8990fbfbfb506be0bd441ba554412ac529817b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703598 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Flute Concerto in G Major, WK 50: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Flute Concerto in G Major, WK 50: II. Adagio
type: MusicRecording
duration: PT4M25S
duration ms: 265586
explicit: false
by artist: Carl Friedrich Abel
by artist: Nordic Affect
in album: Flute Concertos
  type: MusicAlbum
  date published: 2017-05-26
isrc code: NLY331703599
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703599
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 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 0xbdf40b9a9e7c0369b75ba879defd04ac59239c13a671f82166c586514aa2788c. 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/NLY331703599 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Flute Concerto in G Major, WK 50: II. Adagio
  type: AudioObject
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  additional property: Musical Key
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Flute Concerto in G Major, WK 50: III. Presto
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duration: PT5M28S
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by artist: Carl Friedrich Abel
by artist: Nordic Affect
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additional property: CopyrightID
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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
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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 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 0x10b9a9a8c74d8476ffbd52ccb16a223f8465636b6e853764cf774e3b52022b4f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331703600 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Flute Concerto in G Major, WK 50: III. Presto
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Flute Sonata in C Major, WK 123: I. Adagio
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duration: PT3M2S
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by artist: Nordic Affect
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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
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  date published: 2026-07-31T15:59:18Z
audio: Flute Sonata in C Major, WK 123: I. Adagio
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Flute Sonata in C Major, WK 123: II. Allegro
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duration: PT3M18S
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explicit: false
by artist: Carl Friedrich Abel
by artist: Nordic Affect
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additional property: CopyrightID
additional property: CopyrightStatus
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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
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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 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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  date published: 2026-07-08T03:20:19Z
audio: Flute Sonata in C Major, WK 123: II. Allegro
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Trio Sonata in G Major, WK 80: I. Vivace
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explicit: false
by artist: Carl Friedrich Abel
by artist: Nordic Affect
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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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
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  date published: 2026-07-08T03:53:27Z
audio: Trio Sonata in G Major, WK 80: I. Vivace
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Trio Sonata in G Major, WK 80: III. Menuetto
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explicit: false
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by artist: Nordic Affect
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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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 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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  date published: 2026-07-08T03:20:19Z
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Peaceful Flute: The Romantic Collection
type: MusicAlbum
date published: 2024-10-23

The World of Yesterday: 20th Century Works for Flute & Piano
type: MusicAlbum
date published: 2021-02-12

David Fontanesi: Intimate Chamber Works
type: MusicAlbum
date published: 2016-02-05

Fontanesi: Chamber Music with Flute
type: MusicAlbum
date published: 2015-03-03

David Fontanesi: Four Concertos
type: MusicAlbum
date published: 2020-09-18

David Fontanesi: The Third Way (Chamber Music and Sonatas for Winds)
type: MusicAlbum
date published: 2019-08-02

Ries: Quartets for Flute & Strings
type: MusicAlbum
date published: 2025-02-26

Georg Friedrich Handel, Flute Sonatas
type: MusicAlbum
date published: 2020-11-06

Kempff: Chamber Music
type: MusicAlbum
date published: 2018-08-31

Muczynski: Chamber Music
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
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track: Fantasy Trio, Op. 26: II. Andante con espressione
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track: Fantasy Trio, Op. 26: IV. Introduction and Finale. Andante molto e sostenuto

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

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Flauto d'Amore
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: 6 Romances, Op. 6: VI. None but the Lonely Heart
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Dupuy & Büchner: Romantic Flute Concertos
type: MusicAlbum
date published: 2015-07-03

HAYDN: Six Duo Concertantes for two Flutes
type: MusicAlbum
date published: 2015-03-06

Briccialdi: Quattro concerti per flauto e orchestra
type: MusicAlbum
date published: 2014-03-01

Kuhlau: Flute Quintets
type: MusicAlbum
date published: 2013-12-13

Favourite Flute Concertos
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date published: 2022-06-25

Flauto Galante, Vol. 2
type: MusicAlbum
date published: 2021-09-03

California Rain
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date published: 2020-07-04