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genre: choral
description: Ian Partridge (born 12 June 1938) is a retired English lyric tenor, whose repertoire ranged from Monteverdi, Bach and Handel, the Elizabethan lute songs, German, French and English songs, through to
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followers: 599
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subject of: OpenTimestamps Proof of Existence
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album: Handel: Chandos Anthems, Vol. 1
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  date published: 1988-03-01
album: Bach: St. John Passion
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  date published: 1990-03-01
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T09:37:10Z
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  track: St. John Passion, BWV 245, Part I: Recitative. Jesus ging mit seinen Jungern (Evangelist, Jesus) - Jesum von Nazareth (Chorus)
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T18:48:12Z
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  track: St. John Passion, BWV 245, Part I: Recitative. Die Schar aber und der Oberhauptmann (Evangelist)
  track: St. John Passion, BWV 245, Part I: Aria. Von den Stricken meiner Sunden (Alto)
  track: St. John Passion, BWV 245, Part I: Aria. Ich folge dir gleichfalls (Soprano)
album: Vivaldi: Gloria; Pergolesi: Magnificat
album: Arne: Artaxerxes (English Orpheus 33)
album: Who Is He?
track: Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
track: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Recitative. "Gebenedeiter Mund!"
track: Madrigals, Book 9: Non voglio amare, SV 172
track: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Aria. "Hilf, Jesu, hilf, daß ich auch dich bekenne"

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St. John Passion, BWV 245, Part I: Recitative. Die Schar aber und der Oberhauptmann (Evangelist)
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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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St. John Passion, BWV 245, Part I: Aria. Von den Stricken meiner Sunden (Alto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:50:11Z
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St. John Passion, BWV 245, Part I: Aria. Ich folge dir gleichfalls (Soprano)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
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  by artist: Sir David Willcocks
  in album: Vivaldi: Gloria; Pergolesi: Magnificat
    type: MusicAlbum
    date published: 1966-08-01
  popularity: 1
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBF076640001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T18:33:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b367cec3f0525ecebccbb860dfdf2c06e0fdcc9b5380ea60cef09f8a52f5f91
  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/GBF076640001
  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 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 0x4b367cec3f0525ecebccbb860dfdf2c06e0fdcc9b5380ea60cef09f8a52f5f91. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076640001 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Gloria, RV 589: I. Gloria in excelsis Deo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.827
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.517
    additional property: Energy
      type: PropertyValue
      value: 0.316
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.951
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.16
    additional property: Liveness
      type: PropertyValue
      value: 0.058
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.46
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.268
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Gloria, RV 589: III. Laudamus te
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139573
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Elizabeth Vaughan
  by artist: Janet Baker
  by artist: Academy of St. Martin in the Fields
  by artist: Sir David Willcocks
  in album: Vivaldi: Gloria; Pergolesi: Magnificat
    type: MusicAlbum
    date published: 1966-08-01
  popularity: 2
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBF076640003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T12:21:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e9b4779f22bc0f9b680a4431be96d4191efa2cee87286cd02e929c5314141b3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960258
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960258
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076640003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T12:45:34Z
  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 0x9e9b4779f22bc0f9b680a4431be96d4191efa2cee87286cd02e929c5314141b3. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/GBF076640003 — a six-check JSON result.
    date published: 2026-07-30T12:45:34Z
  audio: Gloria, RV 589: III. Laudamus te
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.823
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.598
    additional property: Energy
      type: PropertyValue
      value: 0.151
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.974
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.429
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.506
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.768
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Magnificat (Formerly Attrib. Pergolesi): Magnificat
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168920
  explicit: false
  by artist: Francesco Durante
  by artist: Choir of King's College, Cambridge
  by artist: Academy of St. Martin in the Fields
  by artist: Sir Neville Marriner
  in album: Vivaldi: Gloria; Pergolesi: Magnificat
    type: MusicAlbum
    date published: 1966-08-01
  popularity: 12
  genre: baroque
  isrc code: GBF076610651
  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: Magnificat (Formerly Attrib. Pergolesi): Magnificat
track: Magnificat (Formerly Attrib. Pergolesi): Et misericordia
track: Magnificat (Formerly Attrib. Pergolesi): Deposuit Potentes
track: Magnificat (Formerly Attrib. Pergolesi): Suscepit Israel
track: Magnificat (Formerly Attrib. Pergolesi): Sicut locutus est....Gloria

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-25T08:47:40+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x944c0765c4447bf355f2a28a079862914206e5faca4ce051ec989b6889084c71

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610651

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x944c0765c4447bf355f2a28a079862914206e5faca4ce051ec989b6889084c71. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBF076610651 — a six-check JSON result.
date published: 2026-07-02T03:55:08Z

Magnificat (Formerly Attrib. Pergolesi): Magnificat
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.977
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.481
additional property: Energy
  type: PropertyValue
  value: 0.287
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.967
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.208
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.48
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.935
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Magnificat (Formerly Attrib. Pergolesi): Et misericordia
type: MusicRecording
duration: PT1M44S
duration ms: 104040
explicit: false
by artist: Francesco Durante
by artist: Elizabeth Vaughan
by artist: Janet Baker
by artist: Choir of King's College, Cambridge
by artist: Academy of St. Martin in the Fields
by artist: Sir David Willcocks
in album: Vivaldi: Gloria; Pergolesi: Magnificat
  type: MusicAlbum
  date published: 1966-08-01
popularity: 9
genre: baroque
isrc code: GBF076610652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T08:19:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x043ca22736cb84df9e4ee42471496737606ed9fbc2066206e070156387d37584
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610652
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x043ca22736cb84df9e4ee42471496737606ed9fbc2066206e070156387d37584. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBF076610652 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat (Formerly Attrib. Pergolesi): Et misericordia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.775
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.332
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.256
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.198
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat (Formerly Attrib. Pergolesi): Deposuit Potentes
type: MusicRecording
duration: PT1M47S
duration ms: 107293
explicit: false
by artist: Francesco Durante
by artist: Choir of King's College, Cambridge
by artist: Academy of St. Martin in the Fields
by artist: Sir David Willcocks
in album: Vivaldi: Gloria; Pergolesi: Magnificat
  type: MusicAlbum
  date published: 1966-08-01
popularity: 6
genre: baroque
isrc code: GBF076610653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:05:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6fd6fe21c76b1e84f205fbd4f0ec64dec4c3d11c9ed527313e15927547c787c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957046
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610653
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:04:01Z
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 0xa6fd6fe21c76b1e84f205fbd4f0ec64dec4c3d11c9ed527313e15927547c787c. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBF076610653 — a six-check JSON result.
  date published: 2026-07-07T14:04:01Z
audio: Magnificat (Formerly Attrib. Pergolesi): Deposuit Potentes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.881
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.254
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat (Formerly Attrib. Pergolesi): Suscepit Israel
type: MusicRecording
duration: PT1M50S
duration ms: 110880
explicit: false
by artist: Francesco Durante
by artist: Ian Partridge
by artist: Christopher Keyte
by artist: Academy of St. Martin in the Fields
by artist: Sir David Willcocks
in album: Vivaldi: Gloria; Pergolesi: Magnificat
  type: MusicAlbum
  date published: 1966-08-01
popularity: 6
genre: baroque
isrc code: GBF076610654
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T13:31:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x366f16dce1deebb287494a083224e700ff7a677728a85efba176b36397b2606a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960113
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960113
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610654
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:38:16Z
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 0x366f16dce1deebb287494a083224e700ff7a677728a85efba176b36397b2606a. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610654 — a six-check JSON result.
  date published: 2026-07-29T13:38:16Z
audio: Magnificat (Formerly Attrib. Pergolesi): Suscepit Israel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.609
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.414
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.662
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat (Formerly Attrib. Pergolesi): Sicut locutus est....Gloria
type: MusicRecording
duration: PT3M40S
duration ms: 220946
explicit: false
by artist: Francesco Durante
by artist: Choir of King's College, Cambridge
by artist: Academy of St. Martin in the Fields
by artist: Sir David Willcocks
in album: Vivaldi: Gloria; Pergolesi: Magnificat
  type: MusicAlbum
  date published: 1966-08-01
popularity: 6
genre: baroque
isrc code: GBF076610655
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T13:13:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe69c23251e0b7c4d630ddf63600378ac25070d8f870a28922624a3d1a46f5a5a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959134
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959134
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610655
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T13:34:27Z
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 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 0xe69c23251e0b7c4d630ddf63600378ac25070d8f870a28922624a3d1a46f5a5a. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610655 — a six-check JSON result.
  date published: 2026-07-22T13:34:27Z
audio: Magnificat (Formerly Attrib. Pergolesi): Sicut locutus est....Gloria
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Arne: Artaxerxes (English Orpheus 33)
type: MusicAlbum
date published: 1996-01-01
track: Artaxerxes, Act I: No. 10, Recit. Stay, Artaxerxes, Stay (Semira/Artaxerxes)
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  duration ms: 30000
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  by artist: Christopher Robson
  by artist: The Parley of Instruments
  by artist: Roy Goodman
  by artist: Philippa Hyde
  in album: Arne: Artaxerxes (English Orpheus 33)
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    date published: 1996-01-01
  popularity: 0
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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Who Is He?
type: MusicAlbum
date published: 1997-01-01

Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
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duration: PT1M18S
duration ms: 78573
explicit: false
by artist: Ralph Vaughan Williams
by artist: Ian Partridge
by artist: Janet Craxton
in album: Scenes from Childhood
  type: MusicAlbum
  date published: 2024-12-26
popularity: 10
isrc code: GBAYC8702956
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: 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 0xd8233a249d67b9529c88f30309e8055b074ea1e2e67ed26bca944188966e0369. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBAYC8702956 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Vaughan Williams: 10 Blake Songs: No. 1, Infant Joy
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Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Recitative. "Gebenedeiter Mund!"
type: MusicRecording
duration: PT1M45S
duration ms: 105240
explicit: false
by artist: Johann Sebastian Bach
by artist: Sir David Willcocks
by artist: Ian Partridge
by artist: Academy of St. Martin in the Fields
in album: Academy of St Martin in the Fields - Bach
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  date published: 2023-11-16
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: GBAYC1902080
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x8ee7d1924bc4d57c03ef9d4b9fe8a575eff87ecfeb59994a65c626a13714cc00. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/GBAYC1902080 — a six-check JSON result.
  date published: 2026-07-30T02:21:55Z
audio: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Recitative. "Gebenedeiter Mund!"
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Madrigals, Book 9: Non voglio amare, SV 172
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duration: PT1M13S
duration ms: 73000
explicit: false
by artist: Claudio Monteverdi
by artist: Ian Partridge
by artist: Nigel Rogers
by artist: Christopher Keyte
by artist: Colin Tilney
by artist: Werner Kauffmann
by artist: Jürgen Jürgens
by artist: The Monteverdi Choir
in album: Work From Home With Monteverdi
  type: MusicAlbum
  date published: 2020-04-11
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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 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 0xd84f3fb79c49fa45b93de3a0c800d7cc1d1e1e69dec2619a0534a717cb192f8c. 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/DEF057100590 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Madrigals, Book 9: Non voglio amare, SV 172
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Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Aria. "Hilf, Jesu, hilf, daß ich auch dich bekenne"
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duration: PT3M6S
duration ms: 186200
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by artist: Johann Sebastian Bach
by artist: Sir David Willcocks
by artist: Ian Partridge
by artist: Academy of St. Martin in the Fields
in album: Academy of St Martin in the Fields - Bach
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popularity: 2
genre: classical
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genre: early-music
genre: baroque
genre: chamber-music
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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 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 0x94ea5a5a29cc00fa66066182662a94c02625c0b7a35519c266622d64db954c10. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1902085 — a six-check JSON result.
  date published: 2026-07-30T19:42:40Z
audio: Bach, JS: Herz und Mund und Tat und Leben, BWV 147: Aria. "Hilf, Jesu, hilf, daß ich auch dich bekenne"
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