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genre: recorder
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subject of: OpenTimestamps Proof of Existence
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album: Lost Is My Quiet: English Music in Purcell's Time
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  date published: 2003-10-01
  track: Come, Ye Sons of Art Away, Z. 323: Strike the Viol
  track: Lost Is My Quiet for Ever Z. 502
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T08:56:20Z
    audio: Lost Is My Quiet for Ever Z. 502
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  track: The Prophetess, or the History of Dioclesian, Z. 627: Since from My Dear Astrea's Sight
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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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  track: The Fairy Queen, Z. 629, Act II: One Charming Night
album: Viola d'amore
album: Classical Expressions: Best of the Baroque Period
album: Telemann, G.P.: Tutti flauti!
album: Naturally Telemann
album: Vivaldi
album: The Best of Daniel Taylor
album: Telemann: Sonatas and Duets for Recorder and Flute / Maute: 5 Fantasies
album: Vivaldi and The Baroque Gypsies
album: Sammartini, G. / Maute: Sonate e Concerti per flauti

Come, Ye Sons of Art Away, Z. 323: Strike the Viol
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Come, Ye Sons of Art Away, Z. 323: Strike the Viol
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The Fairy Queen, Z. 629, Act II: One Charming Night
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by artist: Sophie Larivière
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by artist: Matthias Maute
by artist: Nigel North
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genre: classical
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  date published: 2026-07-31T08:26:41Z
audio: The Fairy Queen, Z. 629, Act II: One Charming Night
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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

Trio in E-Flat Major for Viola d’amore, Bass Chalumeau & Continuo: I. Largo
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by artist: Erin Helyard
by artist: Jacques-Olivier Chartier
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by artist: Amanda Keesmaat
by artist: Sophie Larivière
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genre: baroque
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Trio in E-Flat Major for Viola d’amore, Bass Chalumeau & Continuo: IV. Vivace
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by artist: Erin Helyard
by artist: Jacques-Olivier Chartier
by artist: Chloe Meyers
by artist: Amanda Keesmaat
by artist: Sophie Larivière
by artist: Olivier Laquerre
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genre: baroque
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  date published: 2026-07-29T15:38:18Z
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  date published: 2026-07-30T20:09:33Z
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Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: II. Largo non molto
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  date published: 2026-07-30T15:42:38Z
audio: Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: II. Largo non molto
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Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: III. Allegro
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  date published: 2026-07-30T17:23:26Z
audio: Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: III. Allegro
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Viola d'amore
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track: Trio in E-Flat Major for Viola d’amore, Bass Chalumeau & Continuo: I. Largo
track: Trio in E-Flat Major for Viola d’amore, Bass Chalumeau & Continuo: IV. Vivace

Classical Expressions: Best of the Baroque Period
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Telemann, G.P.: Tutti flauti!
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Naturally Telemann
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Vivaldi
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track: Concerto en mi mineur pour 4 violons, cordes et basse continue, Op. 3 No. 4, RV 550: III. Adagio
track: Concerto en fa majeur pour violon, 2 hautbois, basson, 2 cors, cordes et basse continue, RV 574: II. Grave
track: Sinfonia de l’opéra La verità in cimento, RV 739: I. Allegro
track: Sinfonia de l’opéra La verità in cimento, RV 739: II. Andante
track: Concerto en do majeur pour 2 trompettes, cordes et basse continue, RV 537: II. Largo
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track: Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: II. Largo non molto
track: Concerto en sol mineur pour violon, 2 flûtes à bec, 2 hautbois, basson, cordes et basse continue, RV 577 “Per l’orchestra di Dresda”: III. Allegro

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value: https://explorer.copyrightchains.com/tx/0x612b3e4f639bd5e5b2ef333788c9f11a898851fc907e3b13caa66fd79c8c1b01

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/953520

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660206

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612b3e4f639bd5e5b2ef333788c9f11a898851fc907e3b13caa66fd79c8c1b01. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CAJ721660206.
date published: 2026-06-13T13:32:09Z

Concerto en si mineur pour 4 violons, violoncelle, cordes et basse continue, Op. 3 No. 10, RV 580: III. Allegro
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 135.007
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.464
additional property: Energy
  type: PropertyValue
  value: 0.255
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.863
additional property: Instrumentalness
  type: PropertyValue
  value: 0.528
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.628
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.101
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Concerto en mi mineur pour 4 violons, cordes et basse continue, Op. 3 No. 4, RV 550: III. Adagio
type: MusicRecording
duration: PT0M35S
duration ms: 35560
explicit: false
by artist: Antonio Vivaldi
by artist: Pascale Giguère
by artist: Pascale Gagnon
by artist: Véronique Vychytil
by artist: Noëlla Bouchard
by artist: Mathieu Lussier
by artist: Les Violons du Roy
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:14:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e400624bb50ad260f338f77b1b4fe2ce45a1e680bca7886fa869b8cd7b1b43e
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/CAJ721660212
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e400624bb50ad260f338f77b1b4fe2ce45a1e680bca7886fa869b8cd7b1b43e. 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/CAJ721660212.
  date published: 2026-07-08T03:20:19Z
audio: Concerto en mi mineur pour 4 violons, cordes et basse continue, Op. 3 No. 4, RV 550: III. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.881
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.161
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.266
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.948
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto en fa majeur pour violon, 2 hautbois, basson, 2 cors, cordes et basse continue, RV 574: II. Grave
type: MusicRecording
duration: PT3M30S
duration ms: 210693
explicit: false
by artist: Antonio Vivaldi
by artist: Louis-Philippe Marsolais
by artist: Louis-Pierre Bergeron
by artist: Pascale Gagnon
by artist: Marjorie Tremblay
by artist: Kirsten Zander
by artist: Mathieu Lussier
by artist: Julia Harguindey
by artist: Les Violons du Roy
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:41:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd3665eabbd5be0c4cd26d8d51a89520c801fd13136c32c279b2250419f77cdcc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3665eabbd5be0c4cd26d8d51a89520c801fd13136c32c279b2250419f77cdcc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAJ721660215.
  date published: 2026-07-08T03:53:27Z
audio: Concerto en fa majeur pour violon, 2 hautbois, basson, 2 cors, cordes et basse continue, RV 574: II. Grave
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.755
  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: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.826
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.758
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonia de l’opéra La verità in cimento, RV 739: I. Allegro
type: MusicRecording
duration: PT1M53S
duration ms: 113013
explicit: false
by artist: Antonio Vivaldi
by artist: Mathieu Lussier
by artist: Les Violons du Roy
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:57:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfcbd48bc6599ec055920c91297ef0e4f1056e07d43eda85d35661c6f8ef7cbb1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660217
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcbd48bc6599ec055920c91297ef0e4f1056e07d43eda85d35661c6f8ef7cbb1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660217.
  date published: 2026-07-08T03:22:41Z
audio: Sinfonia de l’opéra La verità in cimento, RV 739: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.512
  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: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.756
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.279
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.562
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.526
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sinfonia de l’opéra La verità in cimento, RV 739: II. Andante
type: MusicRecording
duration: PT1M59S
duration ms: 119920
explicit: false
by artist: Antonio Vivaldi
by artist: Les Violons du Roy
by artist: Mathieu Lussier
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:12:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47157322dbbb9a6c81599f441a75bff93e44c095a3d6ad9812cceff7806853ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47157322dbbb9a6c81599f441a75bff93e44c095a3d6ad9812cceff7806853ec. 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/CAJ721660218.
  date published: 2026-07-08T08:56:20Z
audio: Sinfonia de l’opéra La verità in cimento, RV 739: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.415
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.791
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.255
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.152
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto en do majeur pour 2 trompettes, cordes et basse continue, RV 537: II. Largo
type: MusicRecording
duration: PT0M48S
duration ms: 48506
explicit: false
by artist: Antonio Vivaldi
by artist: Benjamin Raymond
by artist: Marianne Boies
by artist: Mathieu Lussier
by artist: Les Violons du Roy
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:10:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe683bb7a2fa5d2dc22a64cb7f7f658c5308c4951a6a8daa7c89c3aae2baaa8d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660221
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe683bb7a2fa5d2dc22a64cb7f7f658c5308c4951a6a8daa7c89c3aae2baaa8d0. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660221.
  date published: 2026-07-08T03:22:41Z
audio: Concerto en do majeur pour 2 trompettes, cordes et basse continue, RV 537: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.105
  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: 0.388
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.389
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.634
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.407
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto en do majeur pour 2 trompettes, cordes et basse continue, RV 537: III. Allegro
type: MusicRecording
duration: PT2M48S
duration ms: 168320
explicit: false
by artist: Antonio Vivaldi
by artist: Mathieu Lussier
by artist: Les Violons du Roy
by artist: Benjamin Raymond
by artist: Marianne Boies
in album: Vivaldi
  type: MusicAlbum
  date published: 2016-03-01
isrc code: CAJ721660222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:59:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9757ad2fe9e184ce6e4f7a34d40cfcba68e2972522d49763620c5c7afcd41716
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721660222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9757ad2fe9e184ce6e4f7a34d40cfcba68e2972522d49763620c5c7afcd41716. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/CAJ721660222.
  date published: 2026-07-02T05:09:12Z
audio: Concerto en do majeur pour 2 trompettes, cordes et basse continue, RV 537: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.06
  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: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.345
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.886
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.723
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.631
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

The Best of Daniel Taylor
type: MusicAlbum
date published: 2007-11-01

Telemann: Sonatas and Duets for Recorder and Flute / Maute: 5 Fantasies
type: MusicAlbum
date published: 2004-04-01

Vivaldi and The Baroque Gypsies
type: MusicAlbum
date published: 2007-01-01

Sammartini, G. / Maute: Sonate e Concerti per flauti
type: MusicAlbum
date published: 2002-04-01