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type: MusicGroup
genre: requiem
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T22:00:24Z
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track: Mass No. 6 in E-Flat Major, D. 950: Kyrie
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit
track: Mass No. 6 in E-Flat Major, D. 950: Sanctus: Sanctus Dominus
track: Mass No. 6 in E-Flat Major, D. 950: Benedictus: Osanna in excelsis
track: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Agnus Dei, qui tolis peccata mundi
track: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Dona nobis pacem
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
track: Mass No. 6 in E-Flat Major, D. 950: Sanctus: Osanna in excelsis
track: Mass No. 6 in E-Flat Major, D. 950: Benedictus: Benedictus qui venit

Mass No. 6 in E-Flat Major, D. 950: Kyrie
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duration: PT5M1S
duration ms: 301253
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Mass No. 6 in E-Flat Major, D. 950: Kyrie
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Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
type: MusicRecording
duration: PT3M33S
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explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
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Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
type: MusicRecording
duration: PT3M36S
duration ms: 216733
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730205
additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T09:18:01Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
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Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
type: MusicRecording
duration: PT5M30S
duration ms: 330026
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
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  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730207
additional property: CopyrightID
additional property: CopyrightStatus
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
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Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit
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duration ms: 357173
explicit: false
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by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
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  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:22:41Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.803
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.457
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Sanctus: Sanctus Dominus
type: MusicRecording
duration: PT1M59S
duration ms: 119666
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T06:03:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82241655ad2d5cc17ae386d5e178667b0d021dd4b719db606b5d601ab189bbc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07+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
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: 953513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:47:07+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 0x82241655ad2d5cc17ae386d5e178667b0d021dd4b719db606b5d601ab189bbc1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/HKI190730209.
  date published: 2026-06-13T17:25:41Z
audio: Mass No. 6 in E-Flat Major, D. 950: Sanctus: Sanctus Dominus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.49
  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
    value: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.444
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.509
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Benedictus: Osanna in excelsis
type: MusicRecording
duration: PT1M0S
duration ms: 60626
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:39:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9bed6356f5e930605382ef248e58b8b9cba72abe10c33c039b7542b0e0e7d1ea
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/HKI190730212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
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 0x9bed6356f5e930605382ef248e58b8b9cba72abe10c33c039b7542b0e0e7d1ea. 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/HKI190730212.
  date published: 2026-07-08T03:53:27Z
audio: Mass No. 6 in E-Flat Major, D. 950: Benedictus: Osanna in excelsis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.959
  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: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.271
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.848
  additional property: Liveness
    type: PropertyValue
    value: 0.232
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.289
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.417
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Agnus Dei, qui tolis peccata mundi
type: MusicRecording
duration: PT3M34S
duration ms: 214026
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:49:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5896c196b4dd3363a6624c764069afeb2bc9da36f33c39673d678dd537a2ac6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13Z
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: 957050
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:41:13+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 0xc5896c196b4dd3363a6624c764069afeb2bc9da36f33c39673d678dd537a2ac6. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730213.
  date published: 2026-07-07T14:41:13Z
audio: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Agnus Dei, qui tolis peccata mundi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.891
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.882
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Dona nobis pacem
type: MusicRecording
duration: PT2M1S
duration ms: 121826
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:55:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x392b078928d480bc5784fdaee98ca9602d09eacb7f60d22d8e0c7cc01d9ed44d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957011
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957011
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T08:25:35Z
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: 957011
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T08:25:35+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 0x392b078928d480bc5784fdaee98ca9602d09eacb7f60d22d8e0c7cc01d9ed44d. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/HKI190730214.
  date published: 2026-07-07T08:25:35Z
audio: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Dona nobis pacem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.525
  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: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.076
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.167
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Agnus Dei, qui tolis peccata mundi
type: MusicRecording
duration: PT0M46S
duration ms: 46866
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:49:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6fd513edda15390bb8213030aec6bbb09b936e4d2b87c4ed69339bc9d952f95c
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/HKI190730215
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
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 0x6fd513edda15390bb8213030aec6bbb09b936e4d2b87c4ed69339bc9d952f95c. 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/HKI190730215.
  date published: 2026-07-08T03:20:19Z
audio: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Agnus Dei, qui tolis peccata mundi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.271
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.254
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.679
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.071
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Dona nobis pacem
type: MusicRecording
duration: PT1M20S
duration ms: 80986
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:59:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1924d036f20a43305e44236c4c9218a409f690485af6acb208f7fd198418cf33
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/HKI190730216
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
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
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  date published: 2026-07-08T03:20:19Z
audio: Mass No. 6 in E-Flat Major, D. 950: Agnus Dei: Dona nobis pacem
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Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
type: MusicRecording
duration: PT2M26S
duration ms: 146453
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaddc5795f261be0d891a90400b864c0ef49e177ee0a659da22e5916ceb0ed41e. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:38:20Z), 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/HKI190730206.
  date published: 2026-07-22T16:38:20Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
  type: AudioObject
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  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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isrc code: HKI190730206
additional property: CopyrightID
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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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
type: MusicRecording
duration: PT3M38S
duration ms: 218013
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaea8777527e25c3299f5a6580ce611e8e30a041fa4a3c9b78c92f498fcb6bf47. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730203.
  date published: 2026-07-29T19:35:34Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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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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    value: 0.992
  additional property: Instrumentalness
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    value: 0.786
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.038
  additional property: Loudness (dB)
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isrc code: HKI190730203
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
type: MusicRecording
duration: PT0M47S
duration ms: 47240
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08e79d0f2cf3762362dd27ee2eb90aba221dcc7a76eaa4ab1b2221a58557f83. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/HKI190730204.
  date published: 2026-07-30T16:10:47Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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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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isrc code: HKI190730204
additional property: CopyrightID
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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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Mass No. 6 in E-Flat Major, D. 950: Sanctus: Osanna in excelsis
type: MusicRecording
duration: PT1M0S
duration ms: 60560
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa222e5591bc818b2dce1bb83123717faf7170ff9eca352250df3405423905207. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/HKI190730210.
  date published: 2026-07-30T07:48:45Z
audio: Mass No. 6 in E-Flat Major, D. 950: Sanctus: Osanna in excelsis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.114
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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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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isrc code: HKI190730210
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Mass No. 6 in E-Flat Major, D. 950: Benedictus: Benedictus qui venit
type: MusicRecording
duration: PT4M8S
duration ms: 248400
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f9614e00befebcaac0e71fc4eaadbe16fd1aa87bdea5a697c20be79f5755dda. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730211.
  date published: 2026-07-30T06:39:12Z
audio: Mass No. 6 in E-Flat Major, D. 950: Benedictus: Benedictus qui venit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.168
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.044
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: HKI190730211
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960216
additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730211
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: 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