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genre: italian-violin
description: thumb|right|Self-portrait, 1911, mixed media Alberto Martini (November 24, 1876 – November 8, 1954) was an Italian painter, engraver, illustrator and graphic designer. Critics have described Martini'
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album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
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  track: Symphony in G Major, J-C 48: I. Allegro
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album: Giovanni Sollima: Canti rocciosi per I Suoni delle Dolomiti
album: Vivaldi For Inspiration
album: Vivaldi For Study
album: Fontanesi: Four Brass Concert (Trumpet, Trombone, Horn, Tuba)
album: Berömda Barockkonserter
album: Vivaldi: Le Quattro Stagioni (The Four Seasons), La Tempesta di Mare, Il Piacere
album: Vivaldi: Il cimento dell'armonia e dell'inventione, Op. 8, Nos. 1-6
album: Porpora: Cantatas for Soprano
album: Vivaldi: Violin Sonatas, Op. 2 Nos. 7-12
album: Vivaldi: Violin Sonatas, Op. 2 Nos. 1-6
album: Vivaldi: Trio Sonatas, Op. 1 Nos. 7-12
album: Vivaldi: Trio Sonatas, Op. 1 Nos. 1-6
album: Vivaldi: Opera XII
album: Vivaldi: Opera XI - Un concerto Favorito
album: Vivaldi: Opera X - Sei concerti per flauto ed archi
album: Vivaldi: Opera VIII - "Il Cimento dell'Armonia e dell'Inventione" - concerti 7/12
album: Vivaldi: Opera VII - Libro II - Concerti 7/12
album: Vivaldi: Opera VII - Libro II - Concerti 1/6
album: Vivaldi: Opera VI - Sei concerti
album: Vivaldi: Opera V - Sonate a uno e due violini
album: Vivaldi: Opera III "L'Estro Armonico" - concerti 7/12
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album: Vivaldi: L'estro armonico, Op. 3 Nos. 1-6
album: Bonporti Edition, Vol. 4 - Inventions
album: Veracini: Overtures and Concertos, Vol. 2
album: VIVALDI: Dresden Concertos, Vol. 4
album: Vivaldi: Dresden Concertos, Vol. 3
album: Vivaldi: Dresden Concertos, Vol. 2
album: Vivaldi: Concertos for Strings
album: Vivaldi: Dresden Concertos, Vol. 1
album: W.A. Mozart: Eine Kleine Nachtmusik
album: Veracini: Overtures and Concertos, Vol. 1
album: Tartini: 12 Violin Sonatas, Op. 2 (Le Cène 1743) Sei sonate per violino e basso continuo
album: Beyond Vivaldi
album: Vivaldi: Famous Concertos
album: In Balance with Classical Music
album: Chill With Vivaldi
album: Vivaldi: Concerti per fagotto, archi e continuo

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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc292b43ca90aaf63a324466698c59d12be41c6a04297696a7cc1c6c09338f298. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/ITDQ70056065.
  date published: 2026-07-31T17:29:52Z
audio: Symphony in A Major, J-C 62: II. Andante
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    value: 136.047
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    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.846
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Symphony in A Major, J-C 62: IIIa. Presto assai
type: MusicRecording
duration: PT2M9S
duration ms: 129693
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 3
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70056066
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:20:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b519fd3e20d0d64c4071b2e04c9da8e97dddf816fb51dfbcb14e97df75e50fb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056066
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 0x3b519fd3e20d0d64c4071b2e04c9da8e97dddf816fb51dfbcb14e97df75e50fb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056066.
  date published: 2026-07-08T03:20:19Z
audio: Symphony in A Major, J-C 62: IIIa. Presto assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.333
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.609
  additional property: Energy
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    value: 0.368
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    value: 0.869
  additional property: Instrumentalness
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    value: 0.001
  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.772
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Symphony in F Major, J-C 32: I. Presto
type: MusicRecording
duration: PT2M34S
duration ms: 154013
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 17
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70056067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:14:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2af3e788ca3179a8cd7381d9d0e7513bbf53bfe62c1dc879e95b6b5c58fe5b0e
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056067
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af3e788ca3179a8cd7381d9d0e7513bbf53bfe62c1dc879e95b6b5c58fe5b0e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056067.
  date published: 2026-07-02T03:55:08Z
audio: Symphony in F Major, J-C 32: I. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.284
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.527
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.854
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.459
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.335
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.411
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony in F Major, J-C 32: II. Andante
type: MusicRecording
duration: PT3M12S
duration ms: 192440
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 5
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70056068
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf59e98cea288d8da6615c9370dc8b7a9444ffdd1257ac858893576367133dbfe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056068
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0xf59e98cea288d8da6615c9370dc8b7a9444ffdd1257ac858893576367133dbfe. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056068.
  date published: 2026-07-31T08:26:41Z
audio: Symphony in F Major, J-C 32: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.624
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.22
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.115
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.516
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony in F Major, J-C 32: III. Allegro assai
type: MusicRecording
duration: PT2M9S
duration ms: 129506
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 9
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70056069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:46:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd79ca49188964b92afe510ebf1c85ff70a1de3aa035c52f5edb709bdccb7c551
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056069
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 0xd79ca49188964b92afe510ebf1c85ff70a1de3aa035c52f5edb709bdccb7c551. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056069.
  date published: 2026-07-08T03:20:19Z
audio: Symphony in F Major, J-C 32: III. Allegro assai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.631
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.601
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.839
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.712
  additional property: Liveness
    type: PropertyValue
    value: 0.361
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.616
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.651
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony in C Major, J-C 4: I. Allegrissimo
type: MusicRecording
duration: PT2M37S
duration ms: 157933
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 2
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70056060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:09:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ca34c08c62b14f612ba410aead06dfcbb7439c24410b21e400f2fab2e561371
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
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 0x4ca34c08c62b14f612ba410aead06dfcbb7439c24410b21e400f2fab2e561371. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70056060.
  date published: 2026-07-31T23:30:38Z
audio: Symphony in C Major, J-C 4: I. Allegrissimo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.773
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.554
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.663
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.132
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony in C Major, J-C 4: II. Andante
type: MusicRecording
duration: PT1M34S
duration ms: 94333
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 16
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70015606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:19:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x383c672b43d5478959803e558ab489689e0f71d41f04f4bb2a92e1a8db3c582b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70015606
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 0x383c672b43d5478959803e558ab489689e0f71d41f04f4bb2a92e1a8db3c582b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70015606.
  date published: 2026-07-08T03:20:19Z
audio: Symphony in C Major, J-C 4: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.694
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.337
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.548
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony in C Major, J-C 4: III. Allegro
type: MusicRecording
duration: PT1M56S
duration ms: 116506
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 2
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70025606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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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 0xee510c3653fa11ae801c3c7e1a4940c117c3187007aa10e8b496c0a976bb6878. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/ITDQ70025606.
  date published: 2026-07-31T17:29:52Z
audio: Symphony in C Major, J-C 4: III. Allegro
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Symphony in G Major, J-C 48: I. Allegro
type: MusicRecording
duration: PT4M35S
duration ms: 275040
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 2
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70035606
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
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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 0xaaf3b474d28cebdc353a3d02bbf443aad6ea530a6f1573e02cc9b8dcf83dc17d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ70035606.
  date published: 2026-07-31T02:19:15Z
audio: Symphony in G Major, J-C 48: I. Allegro
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Symphony in G Major, J-C 48: II. Andante
type: MusicRecording
duration: PT2M46S
duration ms: 166280
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 2
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70045606
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 0xf589d815f818e3a8f3e7996792666a4eb5b3c90ec2ec6f56414eb171ea78c3c9. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ITDQ70045606.
  date published: 2026-07-08T03:39:04Z
audio: Symphony in G Major, J-C 48: II. Andante
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Symphony in G Major, J-C 48: III. Allegro
type: MusicRecording
duration: PT2M48S
duration ms: 168706
explicit: false
by artist: Giovanni Battista Sammartini
by artist: I Virtuosi Italiani
by artist: Alberto Martini
in album: Biscogli: Concerto for Trumpet, Oboe & Bassoon - Sammartini: Symphonies
  type: MusicAlbum
  date published: 2014-04-01
popularity: 2
genre: classical-era
genre: galante-era
genre: baroque
isrc code: ITDQ70055606
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
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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 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 0x497f53130e6622db7148a3eceaa15e5df9767bea51807141891e9e92e188e47b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITDQ70055606.
  date published: 2026-07-08T08:56:20Z
audio: Symphony in G Major, J-C 48: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Giovanni Sollima: Canti rocciosi per I Suoni delle Dolomiti
type: MusicAlbum
date published: 2009-09-30
track: Sono vere oppure è un sogno?
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  duration: PT5M51S
  duration ms: 351013
  explicit: false
  by artist: Giovanni Sollima
  by artist: I Virtuosi Italiani
  by artist: Alberto Martini
  by artist: Luigi Azzolini
  by artist: Antonio Ballista
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    type: MusicAlbum
    date published: 2009-09-30
  genre: minimalism
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCSO1200052
  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 0xe1feca15dfaac341e5b9278c0e889e0ae973866d7bd16682bce7dd075ae946d6. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCSO1200052.
    date published: 2026-07-31T15:59:18Z
  audio: Sono vere oppure è un sogno?
    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
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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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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Vivaldi For Inspiration
type: MusicAlbum
date published: 2022-01-14

Vivaldi For Study
type: MusicAlbum
date published: 2021-12-24
track: The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, Rv 269, "la primavera" (Spring): Ii. Largo e pianissimo sempre
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  by artist: Takako Nishizaki
  by artist: Capella Istropolitana
  by artist: Stephen Gunzenhauser
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    type: MusicAlbum
    date published: 2021-12-24
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: HKI199329402
  additional property: CopyrightID
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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/HKI199329402
  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 0x073e3744752c3525aec5d92b1a50a5fed6d5a94afef632a23b2b1a2210ede1e1. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/HKI199329402.
    date published: 2026-07-31T23:51:35Z
  audio: The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, Rv 269, "la primavera" (Spring): Ii. Largo e pianissimo sempre
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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: Valence (Positivity)
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track: Cello Concerto in C Minor, Rv 401: Ii. Adagio
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  by artist: Raphael Wallfisch
  by artist: City of London Sinfonia
  by artist: Nicholas Kraemer
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  genre: classical
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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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  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: 2026-06-13T12:47:07Z
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  duration: PT2M23S
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  by artist: Marco Fornaciari
  by artist: Accademia I Filarmonici
  by artist: Alberto Martini
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    type: MusicAlbum
    date published: 1997-09-17
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199602202
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T14:28:24Z
  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: 2026-07-29T14:28:24Z
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track: Violin Concerto in D Major, RV 228: III. Allegro
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  by artist: Alberto Martini
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    date published: 1997-09-17
  genre: classical
  genre: early-music
  genre: baroque
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  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Violin Concerto in D Major, RV 228: III. Allegro
track: Violin Concerto in B Minor, RV 384: I. (Allegro)
track: Violin Concerto in B Minor, RV 384: II. Largo
track: Violin Concerto in B Minor, RV 384: III. (Allegro)
track: Violin Concerto in E-Flat Major, RV 262: I. Allegro
track: Violin Concerto in E-Flat Major, RV 262: II. Largo
track: Violin Concerto in E-Flat Major, RV 262: III. Allegro
track: Violin Concerto in G Minor, RV 323: I. Allegro
track: Violin Concerto in G Minor, RV 323: II. Largo
track: Violin Concerto in G Minor, RV 323: III. Allegro
track: Violin Concerto in F Major, RV 285: I. Allegro
track: Violin Concerto in F Major, RV 285: II. Grave. Adagio. Grave
track: Violin Concerto in F Major, RV 285: III. Allegro
track: Violin Concerto in D Minor, RV 245: I. Allegro
track: Violin Concerto in D Minor, RV 245: II. Largo
track: Violin Concerto in D Minor, RV 245: III. (Allegro)

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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-02T03:55:08Z

Violin Concerto in D Major, RV 228: III. Allegro
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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Violin Concerto in B Minor, RV 384: I. (Allegro)
type: MusicRecording
duration: PT3M40S
duration ms: 220373
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
  type: MusicAlbum
  date published: 1997-09-17
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: HKI199602204
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/HKI199602204
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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  date published: 2026-07-29T14:28:24Z
audio: Violin Concerto in B Minor, RV 384: I. (Allegro)
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Violin Concerto in B Minor, RV 384: II. Largo
type: MusicRecording
duration: PT3M8S
duration ms: 188293
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
  type: MusicAlbum
  date published: 1997-09-17
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
  type: PropertyValue
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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: 2026-07-08T03:20:19Z
audio: Violin Concerto in B Minor, RV 384: II. Largo
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Violin Concerto in B Minor, RV 384: III. (Allegro)
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duration: PT2M41S
duration ms: 161600
explicit: false
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by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
  type: MusicAlbum
  date published: 1997-09-17
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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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: Violin Concerto in B Minor, RV 384: III. (Allegro)
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Violin Concerto in E-Flat Major, RV 262: I. Allegro
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by artist: Alberto Martini
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSVerificationAPI
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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: 2026-07-30T10:42:33Z
audio: Violin Concerto in E-Flat Major, RV 262: I. Allegro
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Violin Concerto in E-Flat Major, RV 262: II. Largo
type: MusicRecording
duration: PT3M19S
duration ms: 199306
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
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genre: classical
genre: early-music
genre: baroque
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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: 2026-07-29T15:38:18Z
audio: Violin Concerto in E-Flat Major, RV 262: II. Largo
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Violin Concerto in E-Flat Major, RV 262: III. Allegro
type: MusicRecording
duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
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genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: 2026-07-29T21:09:47Z
audio: Violin Concerto in E-Flat Major, RV 262: III. Allegro
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Violin Concerto in G Minor, RV 323: I. Allegro
type: MusicRecording
duration: PT2M28S
duration ms: 148426
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
  type: MusicAlbum
  date published: 1997-09-17
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: 2026-07-02T03:55:08Z
audio: Violin Concerto in G Minor, RV 323: I. Allegro
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Violin Concerto in G Minor, RV 323: II. Largo
type: MusicRecording
duration: PT1M55S
duration ms: 115040
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
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genre: classical
genre: early-music
genre: baroque
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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: 2026-07-30T06:39:12Z
audio: Violin Concerto in G Minor, RV 323: II. Largo
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Violin Concerto in G Minor, RV 323: III. Allegro
type: MusicRecording
duration: PT2M25S
duration ms: 145160
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
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genre: classical
genre: early-music
genre: baroque
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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: 2026-07-29T21:09:47Z
audio: Violin Concerto in G Minor, RV 323: III. Allegro
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Violin Concerto in F Major, RV 285: I. Allegro
type: MusicRecording
duration: PT2M50S
duration ms: 170666
explicit: false
by artist: Antonio Vivaldi
by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
in album: Vivaldi: Dresden Concertos, Vol. 3
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  date published: 1997-09-17
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: 2026-07-08T03:20:19Z
audio: Violin Concerto in F Major, RV 285: I. Allegro
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Violin Concerto in F Major, RV 285: II. Grave. Adagio. Grave
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by artist: Accademia I Filarmonici
by artist: Alberto Martini
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Violin Concerto in F Major, RV 285: II. Grave. Adagio. Grave
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Violin Concerto in F Major, RV 285: III. Allegro
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by artist: Marco Fornaciari
by artist: Accademia I Filarmonici
by artist: Alberto Martini
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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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Violin Concerto in D Minor, RV 245: I. Allegro
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by artist: Accademia I Filarmonici
by artist: Alberto Martini
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:20:38Z
audio: Violin Concerto in D Minor, RV 245: I. Allegro
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Violin Concerto in D Minor, RV 245: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:32:48Z
audio: Violin Concerto in D Minor, RV 245: II. Largo
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Violin Concerto in D Minor, RV 245: III. (Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in D Minor, RV 245: III. (Allegro)
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Vivaldi: Dresden Concertos, Vol. 2
type: MusicAlbum
date published: 1997-06-19

Vivaldi: Concertos for Strings
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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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Vivaldi: Dresden Concertos, Vol. 1
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W.A. Mozart: Eine Kleine Nachtmusik
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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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Vivaldi: Famous Concertos
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In Balance with Classical Music
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
track: Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": II. Adagio cantabile

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date published: 2026-07-02T03:55:08Z

3 Gymnopédies: Gymnopedie No. 3 (orch. C. Debussy)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": II. Adagio cantabile
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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The 4 Seasons: Violin Concerto in F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): The Four Seasons, Autumn: Adagio molto
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Cello Concerto in C Minor: Adagio
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subject of: OpenTimestamps Proof of Existence
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audio: Cello Concerto in C Minor: Adagio
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Cello Concerto in D Minor: Largo
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duration: PT2M56S
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by artist: Raphael Wallfisch
by artist: City of London Sinfonia
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Cello Concerto in D Minor: Largo
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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by artist: Capella Istropolitana
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Violin Concerto in A Major, RV 344, "Dresden Concerto": Dresden Concerto in G Major: Adagio
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by artist: Accademia I Filarmonici
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genre: early-music
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subject of: OpenTimestamps Proof of Existence
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audio: Violin Concerto in A Major, RV 344, "Dresden Concerto": Dresden Concerto in G Major: Adagio
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Gloria in D: Et in terra pax
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by artist: Oxford Schola Cantorum
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subject of: OpenTimestamps Proof of Existence
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audio: Gloria in D: Et in terra pax
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Concerto for 2 Mandolins in G Major: Andante
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duration ms: 236120
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto for 2 Mandolins in G Major: Andante
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Vivaldi: Concerti per fagotto, archi e continuo
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track: Bassoon Concerto in E-Flat Major, RV 483: I. Presto
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track: Bassoon Concerto in F Major, RV 485: I. Allegro non molto
track: Bassoon Concerto in F Major, RV 485: III. Allegro molto
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track: Bassoon Concerto in A Minor, RV 497: II. Andante molto
track: Bassoon Concerto in B-Flat Major, RV 501 "La notte": I. Largo
track: Bassoon Concerto in B-Flat Major, RV 501 "La notte": II. Andante molto
track: Bassoon Concerto in B-Flat Major, RV 501 "La notte": IV. Il sonno
track: Bassoon Concerto in A Minor, RV 498: I. Allegro
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Bassoon Concerto in B-Flat Major, RV 501 "La notte": I. Largo
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subject of: OpenTimestamps Proof of Existence
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Bassoon Concerto in B-Flat Major, RV 501 "La notte": II. Andante molto
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subject of: OpenTimestamps Proof of Existence
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Bassoon Concerto in B-Flat Major, RV 501 "La notte": IV. Il sonno
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Bassoon Concerto in B-Flat Major, RV 501 "La notte": IV. Il sonno
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Bassoon Concerto in A Minor, RV 498: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:50:38Z
audio: Bassoon Concerto in A Minor, RV 498: I. Allegro
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Bassoon Concerto in A Minor, RV 498: III. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:33:26Z
audio: Bassoon Concerto in A Minor, RV 498: III. Allegro
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