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genre: choral
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description: Boston Baroque is the oldest permanent period instrument orchestra in North America. It was founded in 1973 by the American harpsichordist and conductor, Martin Pearlman, to present concerts of the Ba
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  track: Iphigénie en Tauride, Wq. 46, Act I: Quand verrons-nous tarir nos pleurs?
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album: Handel: Concerti grossi, Op. 6 Nos. 7-12
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album: Vivaldi: Gloria in D Major, RV 589 - Bach: Magnificat in D Major, BWV 243
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album: Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
album: Bach: Brandenburg Concertos Nos. 1, 2 & 3
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album: Handel: Messiah, HWV 56 (Highlights)
album: Bach: Brandenburg Concertos Nos. 4, 5 & 6
album: Handel: Messiah, HWV 56
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album: The Masters: Summer Vol. II
album: Calm: Relaxing Baroque
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album: Classical Essentials: Vivaldi
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album: Handel Bars: Popular Works of George Frideric Handel
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album: Christmas Break: A Relaxing Classical Mix
album: Ultimate Classical Masterpieces: Winter Edition Vol. 2
album: Ultimate Classical Masterpieces: Winter Edition
album: a calm playlist for reading, studying or writing
album: The Masters: Winter
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Missa in Angustiis "Lord Nelson Mass": I. Kyrie
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  date published: 2026-07-02T05:09:12Z
audio: Missa in Angustiis "Lord Nelson Mass": I. Kyrie
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Missa in Angustiis "Lord Nelson Mass": II. Gloria
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  date published: 2026-07-02T03:55:08Z
audio: Missa in Angustiis "Lord Nelson Mass": II. Gloria
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Missa in Angustiis "Lord Nelson Mass": VI. Et incarnatus
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Missa in Angustiis "Lord Nelson Mass": III. Qui tollis
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Requiem in C Minor: II. Graduale
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Der Stein der Weisen, Act I: Overture
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Concerto grosso in F Major, Op. 6 No. 2, HWV 320: I. Andante larghetto
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Iphigénie en Tauride, Wq. 46, Act I: Quand verrons-nous tarir nos pleurs?
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Beautiful Wedding: Prelude
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Biber: The Mystery Sonatas
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Monteverdi: Il ritorno d'Ulisse in patria
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Haydn: Lord Nelson Mass
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  subject of: OpenTimestamps Proof of Existence
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b19a1e0fe4763708edac8b080b31c01b36838dc8b2b75db9353c91f89bba103. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10424619.
date published: 2026-07-08T03:53:27Z

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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Mozart's Circle: The Beneficent Dervish - Mozart: The Impresario, K. 486
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Bach: Mass in B Minor, BWV 232
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track: Der Stein der Weisen, Act I: Overture
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  by artist: Boston Baroque
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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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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  subject of: OpenTimestamps Proof of Existence
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track: Der Stein der Weisen, Act II: Finale. Miau! Miau!

Benedikt Schack
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Franz Xaver Gerl
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Emanuel Schikaneder
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Martin Pearlman
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Mozart, Henneberg, Schack, Gerl & Schikaneder: Der Stein der Weisen
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ad7e3e38581d9486f1b098a96a88643e34a2d639cccb7c3f8ec6e4b77ea318. 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/USTE10716508.
date published: 2026-07-08T03:22:41Z

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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/USTE10746508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa58f10a28c3420229b7e133e7ae2527f97cb034419b5050a8de7662832a4459. 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/USTE10746508.
  date published: 2026-07-08T03:22:41Z
audio: Der Stein der Weisen, Act II: Finale. Miau! Miau!
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Lost Music of Early America: Music of the Moravians
type: MusicAlbum
date published: 1998-09-01
track: Ich will dir ein Freudenopfer thun
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  by artist: Boston Baroque
  by artist: Martin Pearlman
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    date published: 1998-09-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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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/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10328482
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Ich will dir ein Freudenopfer thun
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Liveness
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    additional property: Valence (Positivity)
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Monteverdi: Vespers of 1610, SV 206
type: MusicAlbum
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Purcell: Dido and Aeneas, Z. 626
type: MusicAlbum
date published: 1996-10-01

Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
type: MusicAlbum
date published: 1995-08-01
track: Requiem in D Minor, K. 626: IIIa. Sequence. Dies irae (Completed R. Levin)
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  duration: PT1M47S
  duration ms: 107200
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  by artist: Wolfgang Amadeus Mozart
  by artist: Martin Pearlman
  by artist: Boston Baroque
  in album: Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
    type: MusicAlbum
    date published: 1995-08-01
  genre: classical
  genre: classical-era
  isrc code: USTE10303410
  additional property: CopyrightID
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10303410
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:53:27Z
  audio: Requiem in D Minor, K. 626: IIIa. Sequence. Dies irae (Completed R. Levin)
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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: 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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track: Requiem in D Minor, K. 626: IIIe. Sequence. Confutatis (Completed R. Levin)
  type: MusicRecording
  duration: PT1M59S
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  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Martin Pearlman
  by artist: Boston Baroque
  in album: Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
    type: MusicAlbum
    date published: 1995-08-01
  genre: classical
  genre: classical-era
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  additional property: CopyrightStatus
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:22:41Z
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    additional property: Speechiness
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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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  type: MusicRecording
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  by artist: Wolfgang Amadeus Mozart
  by artist: Boston Baroque
  by artist: Martin Pearlman
  in album: Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
    type: MusicAlbum
    date published: 1995-08-01
  genre: classical
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  additional property: CopyrightID
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Requiem in D Minor, K. 626: IIIf. Sequence. Lacrimosa (Completed R. Levin)
track: Requiem in D Minor, K. 626: VII. Agnus Dei (Completed R. Levin)

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OTSHash
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OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10308410

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67abc9953c9282477ee100754731c88ab80744754ce1624b39040bbf57c7b7e9. 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/USTE10308410.
date published: 2026-07-08T03:22:41Z

Requiem in D Minor, K. 626: IIIf. Sequence. Lacrimosa (Completed R. Levin)
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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: Energy
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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
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Requiem in D Minor, K. 626: VII. Agnus Dei (Completed R. Levin)
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duration: PT3M10S
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by artist: Wolfgang Amadeus Mozart
by artist: Martin Pearlman
by artist: Boston Baroque
in album: Mozart: Requiem in D Minor, K. 626 (New Completion by Robert Levin)
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genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a3227303d4cf01f05c897ba2ed7568cf024fbadb756b8a6dfaa7d06e591b61. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10314410.
  date published: 2026-07-08T08:56:20Z
audio: Requiem in D Minor, K. 626: VII. Agnus Dei (Completed R. Levin)
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Bach: Brandenburg Concertos Nos. 1, 2 & 3
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date published: 1994-08-01

Bach: The Complete Brandenburg Concertos
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  by artist: Boston Baroque
  by artist: Martin Pearlman
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  genre: classical
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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subject of: OpenTimestamps Proof of Existence
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10401322
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446e80e0ac5bb7ee02bb9341b7854f78f1daaeae38d7189ce3a8191534e44df7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10401322.
    date published: 2026-07-08T03:53:27Z
  audio: Messiah, HWV 56, Pt. 1: Sinfonia
    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)
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    additional property: Time Signature
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      value: 5
    additional property: Danceability
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      value: 0.4
    additional property: Energy
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      value: 0.163
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.854
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.301
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.897
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Messiah, HWV 56, Pt. 1: Every Valley Shall Be Exalted
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190133
  explicit: false
  by artist: George Frideric Handel
  by artist: Martin Pearlman
  by artist: Boston Baroque
  by artist: Bruce Fowler
  in album: Handel: Messiah, HWV 56
    type: MusicAlbum
    date published: 1992-09-01
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: USTE10403322
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:33:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf89cd3e281b07684053a6e6f8b5d232942eee5a0c7c4503a19ad4938c64bb8d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10403322
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf89cd3e281b07684053a6e6f8b5d232942eee5a0c7c4503a19ad4938c64bb8d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10403322.
    date published: 2026-07-08T03:53:27Z
  audio: Messiah, HWV 56, Pt. 1: Every Valley Shall Be Exalted
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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      value: 0.931
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Messiah, HWV 56, Pt. 2: Thou Art Gone Up on High
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173066
  explicit: false
  by artist: George Frideric Handel
  by artist: Boston Baroque
  by artist: Martin Pearlman
  by artist: Catherine Robbin
  in album: Handel: Messiah, HWV 56
    type: MusicAlbum
    date published: 1992-09-01
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: USTE10436322
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Messiah, HWV 56, Pt. 2: Thou Art Gone Up on High
track: Messiah, HWV 56, Pt. 3: I Know That My Redeemer Liveth

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T23:24:09+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc355bcd5fd461d565c72366d3ca4bde52c40abec4f2292557f9008ed5a2e8c4a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10436322

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc355bcd5fd461d565c72366d3ca4bde52c40abec4f2292557f9008ed5a2e8c4a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10436322.
date published: 2026-07-08T03:53:27Z

Messiah, HWV 56, Pt. 2: Thou Art Gone Up on High
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 134.469
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.413
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
  type: PropertyValue
  value: 0.919
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.154
additional property: Valence (Positivity)
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  value: 0.493
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.661
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Messiah, HWV 56, Pt. 3: I Know That My Redeemer Liveth
type: MusicRecording
duration: PT5M1S
duration ms: 301893
explicit: false
by artist: George Frideric Handel
by artist: Martin Pearlman
by artist: Boston Baroque
by artist: Karen Clift
in album: Handel: Messiah, HWV 56
  type: MusicAlbum
  date published: 1992-09-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: USTE10445322
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:10:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5e9e8bf5c149fc3543b93927a7e614f276072029907cc77dda4dd7f954e4b6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10445322
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e9e8bf5c149fc3543b93927a7e614f276072029907cc77dda4dd7f954e4b6c. 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/USTE10445322.
  date published: 2026-07-08T03:22:41Z
audio: Messiah, HWV 56, Pt. 3: I Know That My Redeemer Liveth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.125
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.797
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Concerti grossi, Op. 6 Nos. 1-6
type: MusicAlbum
date published: 1992-05-01
track: Concerto grosso in E Minor, Op. 6 No. 3, HWV 321: IV. Polonaise. Andante
  type: MusicRecording
  duration: PT5M35S
  duration ms: 335333
  explicit: false
  by artist: George Frideric Handel
  by artist: Boston Baroque
  by artist: Martin Pearlman
  by artist: Daniel Stepner
  by artist: Julie Leven
  by artist: Karen Kaderavek
  in album: Handel: Concerti grossi, Op. 6 Nos. 1-6
    type: MusicAlbum
    date published: 1992-05-01
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: USTE10413253
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T16:43:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2dc2fe38f4b0f80acc58c012b2da2dc5f6f610b78cd09537da95d6def513be32
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  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/USTE10413253
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc2fe38f4b0f80acc58c012b2da2dc5f6f610b78cd09537da95d6def513be32. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10413253.
    date published: 2026-07-08T03:20:19Z
  audio: Concerto grosso in E Minor, Op. 6 No. 3, HWV 321: IV. Polonaise. Andante
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.77
    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: 0.369
    additional property: Energy
      type: PropertyValue
      value: 0.046
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.848
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.025
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.257
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.737
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: V. Allegro
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148893
  explicit: false
  by artist: George Frideric Handel
  by artist: Boston Baroque
  by artist: Martin Pearlman
  by artist: Daniel Stepner
  by artist: Julie Leven
  by artist: Karen Kaderavek
  in album: Handel: Concerti grossi, Op. 6 Nos. 1-6
    type: MusicAlbum
    date published: 1992-05-01
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: USTE10423253
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:31:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed77d69ff276bee148a19af690900a260073a30138744de82632ad8888733ab0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10423253
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed77d69ff276bee148a19af690900a260073a30138744de82632ad8888733ab0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10423253.
    date published: 2026-07-08T08:56:20Z
  audio: Concerto grosso in D Major, Op. 6 No. 5, HWV 323: V. Allegro
    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)
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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: 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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The Masters: Summer Vol. II
type: MusicAlbum
date published: 2024-08-26
track: The Birds, P. 154: IV. The Nightingale
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  duration: PT3M48S
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  by artist: Louis Lane
  by artist: Atlanta Symphony Orchestra
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    type: MusicAlbum
    date published: 2024-08-26
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  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: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10408644
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3630b00c15097987c143f3083bcb7f3a9db900816f8567ce0038d824de11da91. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10408644.
    date published: 2026-07-08T03:53:27Z
  audio: The Birds, P. 154: IV. The Nightingale
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 109.597
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.204
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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track: Music for the Royal Fireworks, HWV 351: III. La paix
track: Chorale Prelude in E-Flat Major, BWV 645 "Wachet auf, ruft uns die Stimme"
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OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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audio: Suite No. 3 in D Major, BWV 1068: II. Air
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Guitar Concerto in D Major, RV 93: II. Largo (From "The Cowboys")
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subject of: OpenTimestamps Proof of Existence
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audio: Guitar Concerto in D Major, RV 93: II. Largo (From "The Cowboys")
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
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Concerto grosso in E Minor, Op. 6 No. 3, HWV 321: IV. Polonaise. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto grosso in E Minor, Op. 6 No. 3, HWV 321: IV. Polonaise. Andante
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Jesu, Joy Of Man’s Desiring (From Cantata No. 147)
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  date published: 2026-07-02T05:09:12Z
audio: Jesu, Joy Of Man’s Desiring (From Cantata No. 147)
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Springtime Symphonies: Bach, Puccini, Vivaldi
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track: Gianni Schicci, SC 88: O mio babbino caro (Orch. C. Beck, S. Bernstein & E. Kunzel)
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    date published: 2026-07-08T03:53:27Z
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track: 12 Concerti grossi After Corelli, No. 4 in F Major, H. 135: III. Vivace
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track: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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OpenTimestamps Proof of Existence
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Handel Bars: Popular Works of George Frideric Handel
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Chillout Classical III
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Christmas Break: A Relaxing Classical Mix
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Ultimate Classical Masterpieces: Winter Edition
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a calm playlist for reading, studying or writing
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track: 2 Piano Pieces, Op. 157: No. 2, La fileuse
track: Nocturne No. 9 in E-Flat Major. Andantino
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OpenTimestamps Proof of Existence
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Nocturne No. 9 in E-Flat Major. Andantino
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Flowers For Emmett Till
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Nocturne No. 15 in C Major. Molto moderato
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The Masters: Winter
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Pure Classical
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