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type: MusicGroup
genre: choral
popularity: 16
followers: 41
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T19:59:56Z
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track: Requiem, Op. 48 (1893 Version): IV. Pie Jesu
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  duration: PT3M58S
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  by artist: Gabriel Fauré
  by artist: Mary Seers
  by artist: English Chamber Orchestra
  by artist: Matthew Best
  by artist: John Scott
  in album: Fauré: Requiem – Duruflé: Requiem
    type: MusicAlbum
    date published: 1998-04-01
  popularity: 7
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  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, Op. 48 (1893 Version): IV. Pie Jesu
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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: Iphigénie en Tauride / Act 1: Introduction et choeur. "Grands Dieux ! soyez-nous secouables"
track: Coventry Carol
track: Musikalische Exequien, SWV 279/281: Part I:Concert in Form einer teutschen Begräbnis-Missa
track: O taste and see
track: Requiem, Op. 48 (1893 Version): IV. Pie Jesu
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  by artist: English Chamber Orchestra
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  by artist: John Scott
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    type: MusicAlbum
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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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    date published: 2026-07-08T03:20:19Z
  audio: Requiem, Op. 48 (1893 Version): IV. Pie Jesu
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
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track: Raise, Raise the Voice, Z. 334: IV. Mark How Readily Each Pliant String

Iphigénie en Tauride / Act 1: Introduction et choeur. "Grands Dieux ! soyez-nous secouables"
type: MusicRecording
duration: PT7M4S
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explicit: false
by artist: Christoph Willibald Gluck
by artist: Diana Montague
by artist: Lucinda Houghton
by artist: Nancy Argenta
by artist: Sophie Boulin
by artist: Jane Armstrong
by artist: Suzanne Flowers
by artist: Carol Hall
by artist: Nicola Jenkin
by artist: Jean Knibbs
by artist: Rachel Platt
by artist: Mary Seers
by artist: Orchestre de l'Opéra de Lyon
by artist: John Eliot Gardiner
in album: Gluck: Iphigénie en Tauride (2 CDs)
  type: MusicAlbum
  date published: 1986-01-01
popularity: 1
genre: classical
genre: opera
isrc code: NLA508401501
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Iphigénie en Tauride / Act 1: Introduction et choeur. "Grands Dieux ! soyez-nous secouables"
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  additional property: Acousticness
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  additional property: Instrumentalness
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Coventry Carol
type: MusicRecording
duration: PT3M24S
duration ms: 204840
explicit: false
by artist: Anonymous
by artist: Mary Seers
by artist: The Sixteen
by artist: Simon Birchall
by artist: Neil MacKenzie
by artist: Harry Christophers
in album: Christmas Music from Medieval and Renaissance Europe
  type: MusicAlbum
  date published: 1987-12-01
isrc code: GBAJY8726306
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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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/GBAJY8726306
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Coventry Carol
  type: AudioObject
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Musikalische Exequien, SWV 279/281: Part I:Concert in Form einer teutschen Begräbnis-Missa
type: MusicRecording
duration: PT22M51S
duration ms: 1371693
explicit: false
by artist: Heinrich Schütz
by artist: Mary Seers
by artist: Rachel Platt
by artist: Ashley Stafford
by artist: Frieder Lang
by artist: Nicolas Robertson
by artist: Stephen Charlesworth
by artist: Lawrence Wallington
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
by artist: Alastair Ross
by artist: The Monteverdi Choir
in album: Schütz: Motets and Concertos
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  date published: 1988-01-01
isrc code: DEF058703290
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f0dd04734c4eab35492985f1e67b5b6665e53f15b47aab841d5018dc41018b. 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/DEF058703290.
  date published: 2026-07-08T03:20:19Z
audio: Musikalische Exequien, SWV 279/281: Part I:Concert in Form einer teutschen Begräbnis-Missa
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O taste and see
type: MusicRecording
duration: PT1M22S
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by artist: Mary Seers
by artist: The Cambridge Singers
by artist: John Rutter
in album: Treasures of English Church Music
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc618edd5be565e686c46699461eb63db1c2e70d3508552759751e66e76b3be3. 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/GBAKR8810720.
  date published: 2026-07-08T03:20:19Z
audio: O taste and see
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.958
  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: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.697
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Raise, Raise the Voice, Z. 334: IV. Mark How Readily Each Pliant String
type: MusicRecording
duration: PT3M36S
duration ms: 216266
explicit: false
by artist: Henry Purcell
by artist: Andrew Tusa
by artist: Gillian Fisher
by artist: James Bowman
by artist: Mark Padmore
by artist: The King's Consort
by artist: Michael George
by artist: Nigel Short
by artist: Robert Evans
by artist: Robert King
by artist: Mary Seers
in album: Essential Purcell
  type: MusicAlbum
  date published: 1994-09-01
popularity: 0
genre: classical
genre: choral
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e798791e59d258d2ccb09564dbe22dbb4cf3ff863959564d600e56d18ef5dc. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/GBAJY9401513.
  date published: 2026-07-31T15:27:29Z
audio: Raise, Raise the Voice, Z. 334: IV. Mark How Readily Each Pliant String
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.98
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.625
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAJY9401513
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960422
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY9401513
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
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

Instrumentalness
type: PropertyValue
value: 0.578

Liveness
type: PropertyValue
value: 0.354

Valence (Positivity)
type: PropertyValue
value: 0.038

Loudness (dB)
type: PropertyValue
value: -36.394

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major