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  track: Concerto grosso in D, Op. 6, No. 5: 3. Presto
  track: Concerto grosso in D, Op. 6, No. 5: 4. Largo
  track: Concerto grosso in D, Op. 6, No. 5: 5. Allegro
  track: Concerto grosso in D, Op. 6, No. 5: 6. Menuet (un poco larghetto)
  track: Concerto grosso in D, Op. 3/1, RV 549: 1. Allegro
  track: Concerto grosso in D, Op. 3/1, RV 549: 2. Largo e spiccato
  track: Concerto grosso in D, Op. 3/1, RV 549: 3. Allegro
  track: Concerto in A Major for Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: I. Allegro
  track: Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: II. Larghetto
  track: Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: III. Allegro
  track: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 1. Large
  track: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 3. Lent et expressif (alla siciliana)
  track: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 4. Vif
  track: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Vincent d'Indy: 2. Allègre
  track: Brandenburg Concerto No. 1 in F, BWV 1046: 1. (Allegro)
  track: Brandenburg Concerto No. 1 in F, BWV 1046: 2. Adagio
  track: Brandenburg Concerto No. 1 in F, BWV 1046: 3. Allegro
  track: Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuetto mit Polacca
  track: Symphony No. XX in E minor: 1. Allegro staccato attacca
  track: Symphony No. XX in E minor: 2. Larghetto
  track: Symphony No. XX in E minor: 3. Allegro assai
  track: Symphony No. XX in E minor: 4. Allegro
  track: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": I. Allegro
  track: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": II. Largo
  track: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": III. Allegro. Danza pastorale
  track: Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": I. Allegro non molto - Allegro
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  track: Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": I. Allegro. Ballo, e canto de' villanelli
  track: Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": II. Adagio molto. Ubriachi dormienti
  track: Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": III. Allegro. La caccia
  track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": I. Allegro non molto
  track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": II. Largo
  track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": III. Allegro
  track: Pièces de Clavecin en Concert / Troisième Concert: 1. La La Poplinière - Rondement
  track: Pièces de Clavecin en Concert / Troisième Concert: 2. La Timide (Rondeau 1 et 2) - Gracieux
  track: Pièces de Clavecin en Concert / Troisième Concert: 3. 1er Et 2ème Tambourins - Vif
  track: Don Quichotte - Suite: 1. Ouverture
  track: Don Quichotte - Suite: 2. Le Reveil de Quixotte
  track: Don Quichotte - Suite: 3. Son Attaque des Moulins à vent
  track: Don Quichotte - Suite: 4. Les Soupirs amoureux après la Princess Dulcinée
  track: Don Quichotte - Suite: 5. Sanche Panche berné
  track: Don Quichotte - Suite: 6. Le Galope de Rosinante...VII Celui d'Ane de Sanche
  track: Don Quichotte - Suite: 8. Le couche de Quixotte
  track: Violin Concerto No. 2 in E, BWV 1042: 1. Allegro
  track: Violin Concerto No. 2 in E, BWV 1042: 2. Adagio
  track: Violin Concerto No. 2 in E, BWV 1042: 3. Allegro assai
  track: Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
track: The Married Beau, Z.603: III. Hornpipe
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track: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": I. Allegro non molto
track: Cello Concerto In B Flat Major, G 482: 1. Allegro moderato
track: Cello Concerto In B-Flat Major, G.482: 2. Adagio non troppo
track: Cello Concerto In B Flat Major, G 482: 3. Rondo. Allegro

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Concerto grosso in D, Op. 6, No. 5: 3. Presto
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Concerto grosso in D, Op. 6, No. 5: 4. Largo
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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: 2026-07-07T18:39:05Z
audio: Concerto grosso in D, Op. 6, No. 5: 5. Allegro
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Concerto grosso in D, Op. 6, No. 5: 6. Menuet (un poco larghetto)
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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: Concerto grosso in D, Op. 6, No. 5: 6. Menuet (un poco larghetto)
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Concerto grosso in D, Op. 3/1, RV 549: 1. Allegro
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duration: PT3M0S
duration ms: 180000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4560ba31ec555f53d61d98eb9bad4666a531f8167401d70147e80c1db6d0990. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056703941.
  date published: 2026-07-29T19:35:34Z
audio: Concerto grosso in D, Op. 3/1, RV 549: 1. Allegro
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Concerto grosso in D, Op. 3/1, RV 549: 2. Largo e spiccato
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explicit: false
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in album: "Baroque Festival" - Festival Strings Lucerne
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additional property: OTSBitcoinBlock
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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: Concerto grosso in D, Op. 3/1, RV 549: 2. Largo e spiccato
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Concerto grosso in D, Op. 3/1, RV 549: 3. Allegro
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duration: PT2M33S
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explicit: false
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in album: "Baroque Festival" - Festival Strings Lucerne
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isrc code: DEF056703943
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T01:32:48Z
audio: Concerto grosso in D, Op. 3/1, RV 549: 3. Allegro
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Concerto in A Major for Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: I. Allegro
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duration ms: 389000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
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isrc code: DEF056402391
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadad64e7acabe5e156a79e9d211d6400f157822ff54f87ec23da03de8919dd60. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056402391.
  date published: 2026-07-29T19:35:34Z
audio: Concerto in A Major for Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: I. Allegro
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Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: II. Larghetto
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2b6e2878e0ef43309d84f60dee50d102b1c737ba86bb74f7305047d096e3b63. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/DEF056402392.
  date published: 2026-07-30T05:43:45Z
audio: Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: II. Larghetto
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Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: III. Allegro
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duration ms: 209000
explicit: false
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in album: "Baroque Festival" - Festival Strings Lucerne
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Concerto in A Major For Solo Violin, Violin "per eco in lontano", Strings And Continuo, RV 552: III. Allegro
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Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 1. Large
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 3. Lent et expressif (alla siciliana)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 3. Lent et expressif (alla siciliana)
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Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 4. Vif
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T03:35:13Z
audio: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Paul Bazelaire: 4. Vif
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Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Vincent d'Indy: 2. Allègre
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata For Cello And Continuo In E Minor, R.40 - Arr. by Vincent d'Indy: 2. Allègre
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Brandenburg Concerto No. 1 in F, BWV 1046: 1. (Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 1 in F, BWV 1046: 1. (Allegro)
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Brandenburg Concerto No. 1 in F, BWV 1046: 2. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 1 in F, BWV 1046: 2. Adagio
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Brandenburg Concerto No. 1 in F, BWV 1046: 3. Allegro
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isrc code: DEF055903303
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/DEF055903303
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 0x6beec395e76e2efdba9945e89f2b29bdefe7886d63bd0c181fd1d58b075accbc. 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/DEF055903303.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 1 in F, BWV 1046: 3. Allegro
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Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuetto mit Polacca
type: MusicRecording
duration: PT8M11S
duration ms: 491733
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055903304
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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055903304
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 0xdbc67092b0386bec69c16e083fb8e70af9b1dc023eb1ae27850ff2950283e945. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/DEF055903304.
  date published: 2026-07-30T12:51:24Z
audio: Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuetto mit Polacca
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  additional property: Mode (Major/Minor)
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  additional property: Speechiness
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Symphony No. XX in E minor: 1. Allegro staccato attacca
type: MusicRecording
duration: PT2M17S
duration ms: 137426
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF056402401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960225
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056402401
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:04:30Z
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 0x60d494911d77b66936acb15158abce013d594b62ec15a0966f2c8a50f4400585. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/DEF056402401.
  date published: 2026-07-30T08:04:30Z
audio: Symphony No. XX in E minor: 1. Allegro staccato attacca
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Symphony No. XX in E minor: 2. Larghetto
type: MusicRecording
duration: PT2M14S
duration ms: 134573
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF056402402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056402402
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 0xd3e75faca0b31312bca0ab6b6c13b85662cb05efe8ed31362b8f7099d9f2effb. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/DEF056402402.
  date published: 2026-07-30T20:09:33Z
audio: Symphony No. XX in E minor: 2. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Symphony No. XX in E minor: 3. Allegro assai
type: MusicRecording
duration: PT2M42S
duration ms: 162000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF056402403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x4d7c662aab656194854c97b4124c0c3b6f0873091a2ecc485b71cfdf357bf735. 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/DEF056402403.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. XX in E minor: 3. Allegro assai
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Symphony No. XX in E minor: 4. Allegro
type: MusicRecording
duration: PT1M26S
duration ms: 86000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF056402404
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4103a6b322e71da45047ee74265fd78dc0fb4a33721996c79d5de6295fcecbc4. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/DEF056402404.
  date published: 2026-07-31T00:26:26Z
audio: Symphony No. XX in E minor: 4. Allegro
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": I. Allegro
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duration: PT3M17S
duration ms: 197408
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055902301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a72d671eeb808b9cdb08717239e6786221f6f0d485698b11d831fdb2934e3bc. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055902301.
  date published: 2026-07-30T12:45:34Z
audio: Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": I. Allegro
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Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": II. Largo
type: MusicRecording
duration: PT2M21S
duration ms: 141115
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:36:16Z
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Violin Concerto in E Major, Op. 8, No. 1, RV 269 "La primavera": III. Allegro. Danza pastorale
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:58:21Z
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Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": I. Allegro non molto - 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 G Minor, Op. 8, No. 2, RV 315 "L'estate": I. Allegro non molto - Allegro
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Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": II. Adagio - Presto - Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
audio: Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": II. Adagio - Presto - Adagio
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Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": III. Presto. Tempo impetuoso d'estate
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": III. Presto. Tempo impetuoso d'estate
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Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": I. Allegro. Ballo, e canto de' villanelli
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
audio: Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": I. Allegro. Ballo, e canto de' villanelli
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Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": II. Adagio molto. Ubriachi dormienti
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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 F Major, Op. 8, No. 3, RV 293 "L'autunno": II. Adagio molto. Ubriachi dormienti
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Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": III. Allegro. La caccia
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duration: PT3M16S
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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: 2026-07-31T06:42:11Z
audio: Violin Concerto in F Major, Op. 8, No. 3, RV 293 "L'autunno": III. Allegro. La caccia
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": I. Allegro non molto
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duration: PT3M31S
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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: 2026-07-31T02:19:15Z
audio: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": I. Allegro non molto
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": II. Largo
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duration: PT1M49S
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explicit: false
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": II. Largo
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": III. Allegro
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duration: PT2M53S
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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: 2026-07-31T05:17:02Z
audio: Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": III. Allegro
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Pièces de Clavecin en Concert / Troisième Concert: 1. La La Poplinière - Rondement
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duration: PT3M8S
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explicit: false
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1364443098de3d579032f9bc67c3a93f66257a802631e65f2f75cee39875fe56. 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/DEF055803701.
  date published: 2026-07-08T03:20:19Z
audio: Pièces de Clavecin en Concert / Troisième Concert: 1. La La Poplinière - Rondement
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Pièces de Clavecin en Concert / Troisième Concert: 2. La Timide (Rondeau 1 et 2) - Gracieux
type: MusicRecording
duration: PT5M24S
duration ms: 324000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
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  date published: 2025-03-13
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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: Pièces de Clavecin en Concert / Troisième Concert: 2. La Timide (Rondeau 1 et 2) - Gracieux
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Pièces de Clavecin en Concert / Troisième Concert: 3. 1er Et 2ème Tambourins - Vif
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duration: PT2M19S
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3677370bdb69fe0af218d3125f1b2fa8d13f924a51731aaa4a91203690220111. 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/DEF055803703.
  date published: 2026-07-08T03:20:19Z
audio: Pièces de Clavecin en Concert / Troisième Concert: 3. 1er Et 2ème Tambourins - Vif
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    value: 158.002
  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: 0.495
  additional property: Energy
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    value: 0.294
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
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    value: 0.937
  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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Don Quichotte - Suite: 1. Ouverture
type: MusicRecording
duration: PT3M46S
duration ms: 226000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:32:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x457e378f01daf3ac396ffcfe418c030aa30463535b70ce7779388882f775302f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803691
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x457e378f01daf3ac396ffcfe418c030aa30463535b70ce7779388882f775302f. 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/DEF055803691.
  date published: 2026-07-31T02:19:15Z
audio: Don Quichotte - Suite: 1. Ouverture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.229
  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: 0.499
  additional property: Energy
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    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
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    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.431
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Don Quichotte - Suite: 2. Le Reveil de Quixotte
type: MusicRecording
duration: PT1M30S
duration ms: 90000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803692
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:35:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ab6292400bb2cc27efd30884ea2999d89fb6850f8583455b14d6b6d1e893e98
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/DEF055803692
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 0x2ab6292400bb2cc27efd30884ea2999d89fb6850f8583455b14d6b6d1e893e98. 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/DEF055803692.
  date published: 2026-07-08T03:20:19Z
audio: Don Quichotte - Suite: 2. Le Reveil de Quixotte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.981
  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: 0.71
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.511
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Quichotte - Suite: 3. Son Attaque des Moulins à vent
type: MusicRecording
duration: PT1M24S
duration ms: 84000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803693
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1de6e3641870e007d6e548a932c4486addf583315102783a6b70dc74367cce6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803693
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1de6e3641870e007d6e548a932c4486addf583315102783a6b70dc74367cce6. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803693.
  date published: 2026-07-31T06:58:00Z
audio: Don Quichotte - Suite: 3. Son Attaque des Moulins à vent
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.106
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.487
  additional property: Energy
    type: PropertyValue
    value: 0.429
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.967
  additional property: Liveness
    type: PropertyValue
    value: 0.401
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.97
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.913
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Quichotte - Suite: 4. Les Soupirs amoureux après la Princess Dulcinée
type: MusicRecording
duration: PT2M19S
duration ms: 139000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803694
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26d22ca565290b4f96103002ab4d9bff16b383eb4156a6114498918678794d49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960410
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960410
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803694
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38Z
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 0x26d22ca565290b4f96103002ab4d9bff16b383eb4156a6114498918678794d49. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/DEF055803694.
  date published: 2026-07-31T13:50:38Z
audio: Don Quichotte - Suite: 4. Les Soupirs amoureux après la Princess Dulcinée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.806
  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: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.039
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.114
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.887
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Quichotte - Suite: 5. Sanche Panche berné
type: MusicRecording
duration: PT1M22S
duration ms: 82000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803695
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:08:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1263d44dc79e084433dfcf0abc5b61cbcb36b89fb63c9b6ead0df8af4ad58246
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803695
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
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 0x1263d44dc79e084433dfcf0abc5b61cbcb36b89fb63c9b6ead0df8af4ad58246. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEF055803695.
  date published: 2026-07-30T22:27:30Z
audio: Don Quichotte - Suite: 5. Sanche Panche berné
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.278
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.709
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.696
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.102
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Quichotte - Suite: 6. Le Galope de Rosinante...VII Celui d'Ane de Sanche
type: MusicRecording
duration: PT2M19S
duration ms: 139000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803696
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:24:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcde2425e4e2d09f519e26ae4c40472011dd1eff1d6e7d06ce5aa7424d6b6557d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803696
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
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 0xcde2425e4e2d09f519e26ae4c40472011dd1eff1d6e7d06ce5aa7424d6b6557d. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/DEF055803696.
  date published: 2026-07-31T06:42:11Z
audio: Don Quichotte - Suite: 6. Le Galope de Rosinante...VII Celui d'Ane de Sanche
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.38
  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: 0.519
  additional property: Energy
    type: PropertyValue
    value: 0.09
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.736
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.52
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.649
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Quichotte - Suite: 8. Le couche de Quixotte
type: MusicRecording
duration: PT1M12S
duration ms: 72000
explicit: false
by artist: Festival Strings Lucerne
in album: "Baroque Festival" - Festival Strings Lucerne
  type: MusicAlbum
  date published: 2025-03-13
isrc code: DEF055803697
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:32:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34e6fb0ab77ac994304b568c5191d2492795d816101a0eb4d4d813aa058c7745
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055803697
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
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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Violin Concerto No. 2 in E, BWV 1042: 1. Allegro
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Violin Concerto No. 2 in E, BWV 1042: 2. Adagio
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Violin Concerto No. 2 in E, BWV 1042: 3. Allegro assai
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Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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The Married Beau, Z.603: III. Hornpipe
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Violin Concerto in G Minor, Op. 8, No. 2, RV 315 "L'estate": II. Adagio - Presto - Adagio
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Violin Concerto in F Minor, Op. 8, No. 4, RV 297 "L'inverno": I. Allegro non molto
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Cello Concerto In B Flat Major, G 482: 1. Allegro moderato
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subject of: OpenTimestamps Proof of Existence
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Cello Concerto In B-Flat Major, G.482: 2. Adagio non troppo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:51:49Z
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Cello Concerto In B Flat Major, G 482: 3. Rondo. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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