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track: Concerto in D Minor for Oboe, Strings and Continuo: I. Andante e spiccato
track: Concerto in D Minor for Oboe, Strings and Continuo: II. Adagio
track: Concerto in D Minor for Oboe, Strings and Continuo: III. Presto
track: Concerto No. 1 in D Major, SF 936 "La Cetra": I. Allegro assai
track: Concerto No. 1 in D Major, SF 936 "La Cetra": II. Larghetto
track: Concerto No. 1 in D Major, SF 936 "La Cetra": III. Vivace
track: Concerto No. 2 in E Major, SF 938 "La Cetra": I. Allegro assai
track: Concerto No. 2 in E Major, SF 938 "La Cetra": II. Moderato
track: Concerto No. 2 in E Major, SF 938 "La Cetra": III. Spiritoso ma non presto
track: Concerto No. 3 in B Minor, SF 937 "La Cetra": I. Andante larghetto
track: Concerto No. 3 in B Minor, SF 937 "La Cetra": II. Adagio
track: Concerto No. 3 in B Minor, SF 937 "La Cetra": III. Presto
track: Concerto No. 4 in E Minor, SF 939 "La Cetra": I. Moderato
track: Concerto No. 4 in E Minor, SF 939 "La Cetra": III. Allegro
track: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": I. Moderato
track: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": III. Presto ma non molto
track: Concerto No. 6 in G Major, SF 941 "La Cetra": I. Allegro
track: Concerto No. 6 in G Major, SF 941 "La Cetra": II. Larghetto
track: Concerto No. 4 in E Minor, SF 939 "La Cetra": II. Largo appoggiato
track: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": II. Larghetto staccato

Concerto in D Minor for Oboe, Strings and Continuo: I. Andante e spiccato
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  date published: 2014-08-29
genre: classical-era
genre: baroque
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audio: Concerto in D Minor for Oboe, Strings and Continuo: I. Andante e spiccato
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Concerto in D Minor for Oboe, Strings and Continuo: II. Adagio
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audio: Concerto in D Minor for Oboe, Strings and Continuo: II. Adagio
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Concerto in D Minor for Oboe, Strings and Continuo: III. Presto
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  date published: 2026-07-02T03:30:09Z
audio: Concerto in D Minor for Oboe, Strings and Continuo: III. Presto
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Concerto No. 1 in D Major, SF 936 "La Cetra": I. Allegro assai
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audio: Concerto No. 1 in D Major, SF 936 "La Cetra": I. Allegro assai
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Concerto No. 1 in D Major, SF 936 "La Cetra": II. Larghetto
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Concerto No. 1 in D Major, SF 936 "La Cetra": III. Vivace
type: MusicRecording
duration: PT3M35S
duration ms: 215426
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404916
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 1 in D Major, SF 936 "La Cetra": III. Vivace
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Concerto No. 2 in E Major, SF 938 "La Cetra": I. Allegro assai
type: MusicRecording
duration: PT1M34S
duration ms: 94200
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404917
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 2 in E Major, SF 938 "La Cetra": I. Allegro assai
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Concerto No. 2 in E Major, SF 938 "La Cetra": II. Moderato
type: MusicRecording
duration: PT3M9S
duration ms: 189520
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404918
additional property: CopyrightID
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
  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
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 2 in E Major, SF 938 "La Cetra": II. Moderato
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Concerto No. 2 in E Major, SF 938 "La Cetra": III. Spiritoso ma non presto
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duration: PT2M50S
duration ms: 170320
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404919
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 2 in E Major, SF 938 "La Cetra": III. Spiritoso ma non presto
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Concerto No. 3 in B Minor, SF 937 "La Cetra": I. Andante larghetto
type: MusicRecording
duration: PT6M19S
duration ms: 379253
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404920
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
  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
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 3 in B Minor, SF 937 "La Cetra": I. Andante larghetto
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Concerto No. 3 in B Minor, SF 937 "La Cetra": II. Adagio
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duration: PT1M30S
duration ms: 90240
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404921
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Concerto No. 3 in B Minor, SF 937 "La Cetra": II. Adagio
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Concerto No. 3 in B Minor, SF 937 "La Cetra": III. Presto
type: MusicRecording
duration: PT4M3S
duration ms: 243106
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
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  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404922
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404922
additional property: OTSTimestamp
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  value: 2026-07-02T03:55:08+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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 3 in B Minor, SF 937 "La Cetra": III. Presto
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Concerto No. 4 in E Minor, SF 939 "La Cetra": I. Moderato
type: MusicRecording
duration: PT2M22S
duration ms: 142093
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404923
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Concerto No. 4 in E Minor, SF 939 "La Cetra": I. Moderato
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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
    type: PropertyValue
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Concerto No. 4 in E Minor, SF 939 "La Cetra": III. Allegro
type: MusicRecording
duration: PT2M7S
duration ms: 127893
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404925
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/NLY331404925
additional property: OTSTimestamp
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  value: 2026-07-02T03:55:08+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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf29e25fffa3d4e08928572e8a1f2811b83ef8991f397437aea2072db58c46a4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404925.
  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 4 in E Minor, SF 939 "La Cetra": III. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Energy
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  additional property: 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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Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": I. Moderato
type: MusicRecording
duration: PT2M53S
duration ms: 173453
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404926
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:56:24+00:00
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/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404926
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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
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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
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  date published: 2026-07-02T11:34:59Z
audio: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": I. Moderato
  type: AudioObject
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  additional property: Loudness (dB)
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Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": III. Presto ma non molto
type: MusicRecording
duration: PT2M21S
duration ms: 141626
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404928
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57+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
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  date published: 2026-07-06T01:26:17Z
audio: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": III. Presto ma non molto
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Concerto No. 6 in G Major, SF 941 "La Cetra": I. Allegro
type: MusicRecording
duration: PT2M31S
duration ms: 151626
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404929
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/NLY331404929
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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
  value: true
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 0xbb5c61f248610ec83bfd486585f52b3b79c387b2317432dc77c05a919f7e160b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404929.
  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 6 in G Major, SF 941 "La Cetra": I. Allegro
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Concerto No. 6 in G Major, SF 941 "La Cetra": II. Larghetto
type: MusicRecording
duration: PT3M22S
duration ms: 202466
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
isrc code: NLY331404930
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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  value: https://explorer.copyrightchains.com/tx/0x7d3b397c2ca21257bb9e852ae274cbb8a1d33377edad0fe45b524204e17ecd92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404930
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3b397c2ca21257bb9e852ae274cbb8a1d33377edad0fe45b524204e17ecd92. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404930.
  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 6 in G Major, SF 941 "La Cetra": II. Larghetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.552
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.869
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.346
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.216
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.099
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto No. 4 in E Minor, SF 939 "La Cetra": II. Largo appoggiato
type: MusicRecording
duration: PT3M11S
duration ms: 191066
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8903047163f3519945b2bffa08f0f54d9165c5f99218a3f1726216e790d776d. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/NLY331404924.
  date published: 2026-07-22T17:48:40Z
audio: Concerto No. 4 in E Minor, SF 939 "La Cetra": II. Largo appoggiato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.954
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.377
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.394
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.301
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLY331404924
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: 959159
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T17:48:40+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404924
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959159
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T17:48:40+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

Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": II. Larghetto staccato
type: MusicRecording
duration: PT1M42S
duration ms: 102013
explicit: false
by artist: Alessandro Marcello
by artist: Gruppo Instrumentale di Roma
by artist: Giorgio Sasso
in album: A. Marcello: 6 Concertos "La Cetra" - Concerto in D Minor for Oboe and Strings
  type: MusicAlbum
  date published: 2014-08-29
genre: classical-era
genre: baroque
genre: italian-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf632986927cd0731a1cda19222b0d6ddec97e55f9d3878388c1774697f0d9987. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:11:19Z), 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/NLY331404927.
  date published: 2026-07-22T19:11:19Z
audio: Concerto No. 5 in B-Flat Major, SF 944 "La Cetra": II. Larghetto staccato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.24
  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: 0.323
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.865
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.348
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.2
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLY331404927
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: 959155
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T16:43:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404927
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959155
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:43:41+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 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