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type: MusicGroup
popularity: 7
followers: 73
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3be2dd1c7500119a1780bf901c9e4f302cf4edc0abaf6c56703a772db3c98fb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b572d2cb-755a-4012-977b-1e5331fa5a61.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b572d2cb-755a-4012-977b-1e5331fa5a61.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b572d2cb-755a-4012-977b-1e5331fa5a61
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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 0x3be2dd1c7500119a1780bf901c9e4f302cf4edc0abaf6c56703a772db3c98fb5. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b572d2cb-755a-4012-977b-1e5331fa5a61.json and https://artists.proofprofile.net/proofs/artist/b572d2cb-755a-4012-977b-1e5331fa5a61.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T15:45:29Z
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album: Symphony in E Minor for Piano 4 Hands: I. Allegro un poco agitato
  type: MusicAlbum
  date published: 2020-07-17
track: Symphony in E Minor for Piano 4 Hands: I. Allegro un poco agitato
  type: MusicRecording
  duration: PT9M7S
  duration ms: 547933
  explicit: false
  by artist: Alberto Franchetti
  by artist: Marcello Mazzoni
  by artist: Giulio Potenza
  in album: Alberto Franchetti - Chamber Music
    type: MusicAlbum
    date published: 2020-09-25
  genre: italian-opera
  genre: italian-romanticism
  isrc code: CHC282060801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T04:22:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b1a274ca4fdf17d8158f45023fdc2a2e78ecc53a2f2eb1c3ea380f1ecbb2b55
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960348
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHC282060801
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T05:17:02Z
  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 0x9b1a274ca4fdf17d8158f45023fdc2a2e78ecc53a2f2eb1c3ea380f1ecbb2b55. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/CHC282060801 — a six-check JSON result.
    date published: 2026-07-31T05:17:02Z
  audio: Symphony in E Minor for Piano 4 Hands: I. Allegro un poco agitato
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 1. (Allegro)
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249500
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  by artist: Johann Sebastian Bach
  by artist: Maurizio Baglini
  by artist: Marcello Mazzoni
  by artist: Andrea Padova
  by artist: Marco Scolastra
  by artist: I Solisti Filarmonici Italiani
  by artist: Federico Guglielmo
  in album: Bach: Concertos For 2, 3, 4 Pianos & Strings
    type: MusicAlbum
    date published: 2019-05-24
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: ITUM71900430
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T13:33:02+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900430
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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 0xac724aa3d4d3cf5519bb20b5e15c2c819bc6ee90ba7ec647d29231beba475a42. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ITUM71900430 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 1. (Allegro)
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 2. Largo
track: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 3. Allegro
track: Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 1. (Allegro)
track: Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 2. Adagio
track: Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 3. Allegro
track: Concerto for 3 Harpsichords, Strings & Continuo No. 1 in D Minor, BWV 1063: 1. (Allegro)
track: Concerto for 3 Harpsichords, Strings & Continuo No. 1 in D Minor, BWV 1063: 2. Alla siciliana

Speechiness
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value: 0.031

Acousticness
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value: 0.974

Instrumentalness
type: PropertyValue
value: 0.902

Liveness
type: PropertyValue
value: 0.101

Valence (Positivity)
type: PropertyValue
value: 0.628

Loudness (dB)
type: PropertyValue
value: -16.431

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 2. Largo
type: MusicRecording
duration: PT3M28S
duration ms: 208962
explicit: false
by artist: Johann Sebastian Bach
by artist: Maurizio Baglini
by artist: Marcello Mazzoni
by artist: Andrea Padova
by artist: Marco Scolastra
by artist: I Solisti Filarmonici Italiani
by artist: Federico Guglielmo
in album: Bach: Concertos For 2, 3, 4 Pianos & Strings
  type: MusicAlbum
  date published: 2019-05-24
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: ITUM71900431
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:06:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7616eb16158a585f03bf0af476848cdcbf9d371eacc6b4bcb50eea538cfafcd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900431
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7616eb16158a585f03bf0af476848cdcbf9d371eacc6b4bcb50eea538cfafcd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900431 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 2. Largo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.357
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.478
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.526
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 3. Allegro
type: MusicRecording
duration: PT3M38S
duration ms: 218529
explicit: false
by artist: Johann Sebastian Bach
by artist: Maurizio Baglini
by artist: Marcello Mazzoni
by artist: Andrea Padova
by artist: Marco Scolastra
by artist: I Solisti Filarmonici Italiani
by artist: Federico Guglielmo
in album: Bach: Concertos For 2, 3, 4 Pianos & Strings
  type: MusicAlbum
  date published: 2019-05-24
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: ITUM71900432
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:12:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900432
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 0x89f9461e2ccc39abfc6e9e6918260e1498dea3deedcd767c692bd64f9cbb27d6. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900432 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Concerto For 4 Harpsichords, Strings, And Continuo In A Minor, BWV 1065: 3. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 1. (Allegro)
type: MusicRecording
duration: PT6M21S
duration ms: 381718
explicit: false
by artist: Johann Sebastian Bach
by artist: Maurizio Baglini
by artist: Marcello Mazzoni
by artist: Andrea Padova
by artist: I Solisti Filarmonici Italiani
by artist: Federico Guglielmo
in album: Bach: Concertos For 2, 3, 4 Pianos & Strings
  type: MusicAlbum
  date published: 2019-05-24
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: ITUM71900433
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:35:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM71900433
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
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 0xfc8a5aaf8339defe8a48c6350bdc6fd7291368794b908dfcdd9e1e045ac717f6. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/ITUM71900433 — a six-check JSON result.
  date published: 2026-07-30T14:44:50Z
audio: Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 1. (Allegro)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 2. Adagio
type: MusicRecording
duration: PT5M22S
duration ms: 322079
explicit: false
by artist: Johann Sebastian Bach
by artist: Maurizio Baglini
by artist: Marcello Mazzoni
by artist: Andrea Padova
by artist: I Solisti Filarmonici Italiani
by artist: Federico Guglielmo
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 2. Adagio
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Concerto for 3 Harpsichords, Strings & Continuo No. 2 in C Major, BWV 1064: 3. Allegro
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  type: MusicAlbum
  date published: 2019-05-24
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T19:42:40Z
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Concerto for 3 Harpsichords, Strings & Continuo No. 1 in D Minor, BWV 1063: 1. (Allegro)
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by artist: I Solisti Filarmonici Italiani
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Concerto for 3 Harpsichords, Strings & Continuo No. 1 in D Minor, BWV 1063: 2. Alla siciliana
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genre: classical
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genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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