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type: MusicGroup
genre: classical
popularity: 15
followers: 147
additional property: CopyrightID
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: 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: OTSVerifyInstructions
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T15:41:00Z
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album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
  track: Concerto Grosso No. 1 In D Major, Op. 6: I. Largo
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    duration: PT1M32S
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    by artist: Genadi Cherkasov
    by artist: Chamber Orchestra of the Moscow Conservatory
    in album: Corelli: Concerti Grossi
      type: MusicAlbum
      date published: 2009-01-01
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: concerto
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    additional property: CopyrightID
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806611
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T15:42:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd33f574c6eebae0e2912498420bed49b373f464c1d2ff0809a672d5baa7ca21. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806611 — a six-check JSON result.
      date published: 2026-07-30T15:42:38Z
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  track: Concerto Grosso No. 1 In D Major, Op. 6: II. Allegro
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    by artist: Genadi Cherkasov
    by artist: Chamber Orchestra of the Moscow Conservatory
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      type: MusicAlbum
      date published: 2009-01-01
    genre: classical
    genre: early-music
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    genre: concerto
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
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      date published: 2026-07-08T03:20:19Z
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  track: Concerto Grosso No. 7 In D Major, Op. 6: II. Adagio
  track: Concerto Grosso No. 1 In D Major, Op. 6: III. Largo - Allegro
  track: Concerto Grosso No. 1 In D Major, Op. 6: IV. Allegro
  track: Concerto Grosso No. 1 In D Major, Op. 6: V. Largo
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": I. Vivace - Grave: Arcate, Sostenuto e Come Sta
  track: Concerto Grosso No. 2 In F Major, Op. 6: I. Vivace - Allegro - Adagio - Vivace - Allegro - Largo Andante
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": II. Allegro
  track: Concerto Grosso No. 2 In F Major, Op. 6: II. Allegro
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": III. Adagio - Allegro - Adagio
  track: Concerto Grosso No. 2 In F Major, Op. 6: III. Grave - Andante Largo
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": IV. Vivace
  track: Concerto Grosso No. 2 In F Major, Op. 6: IV. Allegro
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": V. Allegro
  track: Concerto Grosso No. 3 In C Minor, Op. 6: I. Largo
  track: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": VI. Largo: Pastorale Ad Libitum
  track: Concerto Grosso No. 3 In C Minor, Op. 6: II. Allegro
  track: Concerto Grosso No. 3 In C Minor, Op. 6: III. Grave
  track: Concerto Grosso No. 3 In C Minor, Op. 6: IV. Vivace
  track: Concerto Grosso No. 4 In D Major, Op. 6: I. Adagio - Allegro
  track: Concerto Grosso No. 4 In D Major, Op. 6: II. Adagio
  track: Concerto Grosso No. 4 In D Major, Op. 6: IV. Allegro
  track: Concerto Grosso No. 6 In F Major, Op. 6: I. Adagio
track: Piano Concerto No. 3 in D Minor, Op. 30, III: Finale: Alla breve
track: Suite for String Orchestra & Basso Continuo in D minor "Old Dance": Sarabande

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Valence (Positivity)
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Loudness (dB)
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Concerto Grosso No. 7 In D Major, Op. 6: II. Adagio
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duration: PT1M19S
duration ms: 79306
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806641
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5a3591ae548befc34d5007cb0fe3884a52fdef6b6d5a7affe1089b4e54b527. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806641 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Concerto Grosso No. 7 In D Major, Op. 6: II. Adagio
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Concerto Grosso No. 1 In D Major, Op. 6: III. Largo - Allegro
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duration: PT2M18S
duration ms: 138960
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806613
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Concerto Grosso No. 1 In D Major, Op. 6: III. Largo - Allegro
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Concerto Grosso No. 1 In D Major, Op. 6: IV. Allegro
type: MusicRecording
duration: PT1M25S
duration ms: 85400
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806614
additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef00994fe502e7955da5912ae348598445b936e42aefff7f15142a62be644c59. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806614 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
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Concerto Grosso No. 1 In D Major, Op. 6: V. Largo
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subject of: OpenTimestamps Proof of Existence
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": I. Vivace - Grave: Arcate, Sostenuto e Come Sta
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Concerto Grosso No. 2 In F Major, Op. 6: I. Vivace - Allegro - Adagio - Vivace - Allegro - Largo Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": II. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Concerto Grosso No. 2 In F Major, Op. 6: II. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:15:43Z
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": III. Adagio - Allegro - Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Concerto Grosso No. 2 In F Major, Op. 6: III. Grave - Andante Largo
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03f8ca11d61773fc8ae4cf0fe0d0145514073d15d366f7cc08497e36ba34dcdf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806620 — a six-check JSON result.
  date published: 2026-07-08T08:56:20Z
audio: Concerto Grosso No. 2 In F Major, Op. 6: III. Grave - Andante Largo
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": IV. Vivace
type: MusicRecording
duration: PT1M5S
duration ms: 65693
explicit: false
by artist: Arcangelo Corelli
by artist: Chamber Orchestra of the Moscow Conservatory
by artist: Genadi Cherkasov
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806649
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/USSJ10806649
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6abfc052f5edf48801e5653e8a68679d5f7e32681356f8b26346668105ab65. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806649 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": IV. Vivace
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Concerto Grosso No. 2 In F Major, Op. 6: IV. Allegro
type: MusicRecording
duration: PT2M14S
duration ms: 134666
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806621
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/USSJ10806621
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x881c6d2334ef937fb5a2b9b0ebacda26929f7c324910041cdd1cda4d688b5ab0. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806621 — a six-check JSON result.
  date published: 2026-08-01T00:15:43Z
audio: Concerto Grosso No. 2 In F Major, Op. 6: IV. Allegro
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": V. Allegro
type: MusicRecording
duration: PT2M19S
duration ms: 139800
explicit: false
by artist: Arcangelo Corelli
by artist: Chamber Orchestra of the Moscow Conservatory
by artist: Genadi Cherkasov
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806650
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
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b230cdce689e8401758642ca210dcfd4e6e025f408f9bc723fd0691b68dbc9. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806650 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": V. Allegro
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Concerto Grosso No. 3 In C Minor, Op. 6: I. Largo
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duration: PT3M21S
duration ms: 201466
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806622
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
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2060de67462e7d019a7290726e30f9108d5b9abc51f9d4c40e7dd7c12c426187. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806622 — a six-check JSON result.
  date published: 2026-08-01T02:22:04Z
audio: Concerto Grosso No. 3 In C Minor, Op. 6: I. Largo
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  additional property: Musical Key
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": VI. Largo: Pastorale Ad Libitum
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duration: PT5M14S
duration ms: 314133
explicit: false
by artist: Arcangelo Corelli
by artist: Chamber Orchestra of the Moscow Conservatory
by artist: Genadi Cherkasov
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806651
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
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e6111b593e89f129706c7685a55d2a8dee315e36bc8a4ab33b36f7ded50618. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806651 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Concerto Grosso No. 8 In G Minor, Op. 6 ""Christmas Concert"": VI. Largo: Pastorale Ad Libitum
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Concerto Grosso No. 3 In C Minor, Op. 6: II. Allegro
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duration: PT2M20S
duration ms: 140266
explicit: false
by artist: Arcangelo Corelli
by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Corelli: Concerti Grossi
  type: MusicAlbum
  date published: 2009-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: concerto
isrc code: USSJ10806623
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0763e6739a9f5a966de87e010540a0d06c695506c7db94cc7133b02f4f70695. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10806623 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Concerto Grosso No. 3 In C Minor, Op. 6: II. Allegro
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  additional property: Musical Key
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Concerto Grosso No. 3 In C Minor, Op. 6: III. Grave
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Concerto Grosso No. 3 In C Minor, Op. 6: IV. Vivace
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Concerto Grosso No. 4 In D Major, Op. 6: I. Adagio - Allegro
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Concerto Grosso No. 4 In D Major, Op. 6: II. Adagio
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Concerto Grosso No. 4 In D Major, Op. 6: IV. Allegro
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Concerto Grosso No. 6 In F Major, Op. 6: I. Adagio
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Piano Concerto No. 3 in D Minor, Op. 30, III: Finale: Alla breve
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Suite for String Orchestra & Basso Continuo in D minor "Old Dance": Sarabande
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by artist: Genadi Cherkasov
by artist: Chamber Orchestra of the Moscow Conservatory
in album: Most Relaxing Pachelbel Canon and Baroque Favorites in the Universe
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