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type: MusicGroup
genre: chamber music
popularity: 7
followers: 28
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccdf4fad78f5ef5e3e7fd7e543a524ad56458816a16f7cf9a3a2346a5687e43f. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04d728c3-fdfd-444f-9f90-10dc89ef576c.json and https://artists.proofprofile.net/proofs/artist/04d728c3-fdfd-444f-9f90-10dc89ef576c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T00:30:31Z
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track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: III. Adagio
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: I. Grave
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: III. Largo
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: I. Grave
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: II. Allegro
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: I. Adagio
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: II. Allegro
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: IV. Allegro
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: II. Allegro
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: IV. Allegro
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: I. Grave adagio
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: II. Allegro
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: III. Adagio
track: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: IV. Allegro
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: I. Grave
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: II. Allegro assai
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: III. Grave
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: IV. Allegro
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: III. Grave
track: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: IV. Allegro

Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: III. Adagio
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duration: PT1M55S
duration ms: 115266
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
isrc code: FR46Y1410403
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9981055ef7a399e03b9cf7d02c38ff226c1334e2f7e35dca1d1cab0c13ef83. 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/FR46Y1410403.
  date published: 2026-07-08T03:22:41Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: III. Adagio
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: I. Grave
type: MusicRecording
duration: PT1M53S
duration ms: 113360
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
isrc code: FR46Y1410405
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/FR46Y1410405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b11bd1a7857bdef2ea4d2ef3e1d5de18dba83cc37c853e8663f4648b19c05ae. 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/FR46Y1410405.
  date published: 2026-07-08T08:56:20Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: I. Grave
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  additional property: Tempo (BPM)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: III. Largo
type: MusicRecording
duration: PT2M7S
duration ms: 127280
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
isrc code: FR46Y1410407
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
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36dda89f760aef498a795399ba9cbd2585b3bdb99de98c94d63b59798060aaae. 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/FR46Y1410407.
  date published: 2026-07-08T03:22:41Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: III. Largo
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  additional property: Valence (Positivity)
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: I. Grave
type: MusicRecording
duration: PT3M5S
duration ms: 185200
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
isrc code: FR46Y1410417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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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  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4e2ca5e3095e95b24e74c74d94d3e8e817b01167f4b303f5fdcfb9beece560. 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/FR46Y1410417.
  date published: 2026-07-08T03:53:27Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: I. Grave
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  additional property: Tempo (BPM)
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    type: PropertyValue
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: II. Allegro
type: MusicRecording
duration: PT1M45S
duration ms: 105640
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
isrc code: FR46Y1410418
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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957122
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:39:04+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de904df82a28bcc5598e9e50b088c35be0c7806ce17c5d0ea30f196299816c3. 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/FR46Y1410418.
  date published: 2026-07-08T03:53:27Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.403
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: I. Adagio
type: MusicRecording
duration: PT2M56S
duration ms: 176013
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128847b93774b8999a9f9079a68dbed5c31d52cc911cb6dd01790234b8983134. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FR46Y1410401.
  date published: 2026-07-29T21:09:47Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: I. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.983
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.13
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.742
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.1
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.333
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FR46Y1410401
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960144
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410401
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47+00:00
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

Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: II. Allegro
type: MusicRecording
duration: PT3M43S
duration ms: 223840
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d859a0246907ac0d06e2d337059e4c9362bcf182cb5b0ef64a8bbf0a38b483e. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/FR46Y1410402.
  date published: 2026-07-30T18:23:33Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.719
  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: 0.565
  additional property: Energy
    type: PropertyValue
    value: 0.561
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.823
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.035
  additional property: Liveness
    type: PropertyValue
    value: 0.318
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.75
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.763
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FR46Y1410402
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960291
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T18:23:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410402
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960291
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33+00:00
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

Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: IV. Allegro
type: MusicRecording
duration: PT2M42S
duration ms: 162573
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b5f72492df0209025b48fa17bfef657c1f3c7f81b4614f8a335e6d340d3e77. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/FR46Y1410404.
  date published: 2026-07-31T09:50:37Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 6 in A Minor: IV. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.912
  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: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.582
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.787
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.294
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.722
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.925
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FR46Y1410404
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960383
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:50:37+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410404
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960383
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:37+00:00
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

Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: II. Allegro
type: MusicRecording
duration: PT2M0S
duration ms: 120946
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52b4ab5deecdb117e88b0cf62fb70fff8150793c3ec73681af0a6ce3f1bc7d37. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/FR46Y1410406.
  date published: 2026-07-30T10:42:33Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: II. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.186
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.295
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.901
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.468
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.921
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FR46Y1410406
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960247
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410406
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+00:00
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

Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: IV. Allegro
type: MusicRecording
duration: PT1M41S
duration ms: 101680
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12ce25a964903e1bfc99aee57396e73c8093ac38b9432587a381bd0224b9663. 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/FR46Y1410408.
  date published: 2026-07-31T13:50:38Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 1 in D Minor: IV. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.914
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.448
  additional property: Energy
    type: PropertyValue
    value: 0.242
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.536
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.804
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FR46Y1410408
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960410
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T13:50:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410408
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38+00:00
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

Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: I. Grave adagio
type: MusicRecording
duration: PT1M56S
duration ms: 116453
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d97fa18872e8fdfeaf01c990266d3c0d4d79eb989bbc9b60de624f1321fb156. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/FR46Y1410409.
  date published: 2026-07-31T09:09:19Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: I. Grave adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.594
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.795
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.037
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.235
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.178
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FR46Y1410409
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960376
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:09:19+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410409
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960376
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960376
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:09:19+00:00
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

Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: II. Allegro
type: MusicRecording
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by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
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  date published: 2016-11-18
genre: classical
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  date published: 2026-07-31T23:30:38Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: II. Allegro
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additional property: OTSVerifyInstructions
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Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: III. Adagio
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by artist: Harmonia Urbis
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genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: III. Adagio
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additional property: OTSVerifyInstructions
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Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: IV. Allegro
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duration: PT3M5S
duration ms: 185213
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
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  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Trattenimenti armonici per camera, divisi in dodici sonate à violino, violone e cembalo, Opera sexta, Sonata No. 11 in A Major: IV. Allegro
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additional property: OTSVerifyInstructions
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: I. Grave
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in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
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genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: I. Grave
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additional property: OTSVerifyInstructions
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: II. Allegro assai
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genre: classical
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  date published: 2026-07-31T13:50:38Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: II. Allegro assai
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additional property: OTSVerifyInstructions
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: III. Grave
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by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
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genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: III. Grave
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additional property: OTSVerifyInstructions
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Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: IV. Allegro
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by artist: Tomaso Albinoni
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by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
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genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 9 in D Major: IV. Allegro
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additional property: TokenDeploymentConfirmed
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: III. Grave
type: MusicRecording
duration: PT1M56S
duration ms: 116666
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8815f7333c9e9949a0d8ddab1c6a2a04c8e3d73713b8db980389b7418a2097d8. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y1410419.
  date published: 2026-07-31T17:29:52Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: III. Grave
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.349
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.178
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.874
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.734
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
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additional property: CopyrightID
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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

Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: IV. Allegro
type: MusicRecording
duration: PT1M21S
duration ms: 81186
explicit: false
by artist: Tomaso Albinoni
by artist: Harmonia Urbis
by artist: Marco Silvi
in album: Albinoni: Per diletto, Suonate a tre trattenimenti armonici & Sinfonia a 4
  type: MusicAlbum
  date published: 2016-11-18
genre: classical
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91e9700b8ab2957080e439de2df9ff9dd85f6471ad8307d55e735f64f213fd2. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/FR46Y1410420.
  date published: 2026-08-01T04:30:37Z
audio: Suonate a tre doi violini e violoncello col basso per l’organo, Opera prima, Sonata No. 8 in B Minor: IV. Allegro
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    value: 0.338
  additional property: Speechiness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: B
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isrc code: FR46Y1410420
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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