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genre: choral
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followers: 33
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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album: Rain
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  date published: 2015-12-17
track: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
track: Concerto for 2 Trumpets in C Major, RV 537
track: Concerto For 2 Trumpets In C Major, RV 537: I. Allegro
track: Concerto For 2 Trumpets In C Major, RV 537: II. Largo
track: Concerto For 2 Trumpets In C Major, RV 537: III. Allegro

Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
type: MusicRecording
duration: PT2M56S
duration ms: 176440
explicit: false
by artist: Antonio Vivaldi
by artist: Michael Meeks
by artist: Crispian Steele-Perkins
by artist: City of London Sinfonia
by artist: Nicholas Kraemer
in album: The Essential Vivaldi
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  date published: 2024-10-18
popularity: 1
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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
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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 0x8264960406b2cb9b57fe3efa2ec2c8911ec2c247f1c78d96ace9ae26b7ddcaff. 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/HKI199506411.
  date published: 2026-07-08T03:22:41Z
audio: Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
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Concerto for 2 Trumpets in C Major, RV 537
type: MusicRecording
duration: PT7M0S
duration ms: 420213
explicit: false
by artist: Antonio Vivaldi
by artist: Michael Meeks
by artist: Crispian Steele-Perkins
by artist: City of London Sinfonia
by artist: Nicholas Kraemer
in album: Vivaldi (The Very Best Of)
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  date published: 2005-10-18
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5784d103fee44902700fce121760e597aba07707779215fa39f78d6eb9b2bf. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/HKI190538509.
  date published: 2026-07-30T12:06:10Z
audio: Concerto for 2 Trumpets in C Major, RV 537
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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

Concerto For 2 Trumpets In C Major, RV 537: I. Allegro
type: MusicRecording
duration: PT2M56S
duration ms: 176466
explicit: false
by artist: Michael Meeks
by artist: Crispian Steele-Perkins
by artist: City of London Sinfonia
by artist: Antonio Vivaldi
in album: Vivaldi: Famous Concertos
  type: MusicAlbum
  date published: 1997-07-29
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566160686e20d6f277cb53dcc55cc17314e404c21827b8dd537f6f2260c21e50. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199706801.
  date published: 2026-07-30T07:28:30Z
audio: Concerto For 2 Trumpets In C Major, RV 537: I. Allegro
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Concerto For 2 Trumpets In C Major, RV 537: II. Largo
type: MusicRecording
duration: PT0M51S
duration ms: 51466
explicit: false
by artist: Michael Meeks
by artist: City of London Sinfonia
by artist: Crispian Steele-Perkins
by artist: Antonio Vivaldi
in album: Vivaldi: Famous Concertos
  type: MusicAlbum
  date published: 1997-07-29
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b30dfaa0b9c170eac38bdbbee6011101676fa4dab85582d8b502cf92063e07f. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/HKI199706802.
  date published: 2026-07-30T14:36:16Z
audio: Concerto For 2 Trumpets In C Major, RV 537: II. Largo
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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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
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Concerto For 2 Trumpets In C Major, RV 537: III. Allegro
type: MusicRecording
duration: PT3M15S
duration ms: 195533
explicit: false
by artist: Crispian Steele-Perkins
by artist: City of London Sinfonia
by artist: Michael Meeks
by artist: Antonio Vivaldi
in album: Vivaldi: Famous Concertos
  type: MusicAlbum
  date published: 1997-07-29
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Concerto For 2 Trumpets In C Major, RV 537: III. Allegro
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