Claudia Couwenbergh
type: MusicGroup
popularity: 11
followers: 50
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
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T15:20:52Z
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track: St. Matthew Passion, BWV 244: Pt. I: No. 2, Recitative. Da Jesus diese Rede vollendet hatte (Evangelist, Jesus)
  type: MusicRecording
  duration: PT0M36S
  duration ms: 36426
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nico Van Der Meel
  by artist: Raimund Nolte
  by artist: Locky Chung
  by artist: Claudia Couwenbergh
  by artist: Marianne Beate Kielland
  by artist: Markus Schäfer
  by artist: Hanno Müller-Brachmann
  by artist: Hans-Christoph Rademann
  by artist: Eberhard Metternich
  by artist: Dominique Engler
  by artist: Yosemeh Adjei
  by artist: Lothar Blum
  by artist: Julian Schulzki
  by artist: Dresdner Kammerchor
  by artist: Knaben des Kölner Domchores
  by artist: Kolner Kammerorchester
  by artist: Helmut Müller-Brühl
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    type: MusicAlbum
    date published: 2006-03-21
  genre: classical
  genre: classical-piano
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e88680a51c839fcb0a623ca7a53ad47f8b148ebb3fb693364a2c92379e077ce. 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/HKI190584402.
    date published: 2026-07-08T03:20:19Z
  audio: St. Matthew Passion, BWV 244: Pt. I: No. 2, Recitative. Da Jesus diese Rede vollendet hatte (Evangelist, Jesus)
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track: St. Matthew Passion, BWV 244: Pt. I: No. 5, Recitative. Du lieber Heiland du (Alto)
  type: MusicRecording
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  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nico Van Der Meel
  by artist: Raimund Nolte
  by artist: Locky Chung
  by artist: Claudia Couwenbergh
  by artist: Marianne Beate Kielland
  by artist: Markus Schäfer
  by artist: Hanno Müller-Brachmann
  by artist: Hans-Christoph Rademann
  by artist: Eberhard Metternich
  by artist: Dominique Engler
  by artist: Yosemeh Adjei
  by artist: Lothar Blum
  by artist: Julian Schulzki
  by artist: Dresdner Kammerchor
  by artist: Knaben des Kölner Domchores
  by artist: Kolner Kammerorchester
  by artist: Helmut Müller-Brühl
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    date published: 2006-03-21
  genre: classical
  genre: classical-piano
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7559eea8af6facea71ac072129ddcd2cfd86c9bf063fc5493c4821de82cca636. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584405.
    date published: 2026-07-08T08:56:20Z
  audio: St. Matthew Passion, BWV 244: Pt. I: No. 5, Recitative. Du lieber Heiland du (Alto)
track: St. Matthew Passion, BWV 244: Pt. I: No. 7, Recitative. Da ging hin der Zwolfen einer (Evangelist, Judas)
track: St. Matthew Passion, BWV 244: Pt. I: No. 8, Aria : Blute nur, du liebes Herz (Soprano)
track: St. Matthew Passion, BWV 244: Pt. I: No. 11, Recitative. Er antwortete und sprach (Evangelist, Jesus, Judas)
track: St. Matthew Passion, BWV 244: Pt. I: No. 1, Chorus. Kommt, ihr Tochter, helft mir klagen (Chorus, Soprano in ripieno)
track: St. Matthew Passion, BWV 244: Pt. I: No. 3, Chorale. Herzliebster Jesu, was hast du verbrochen
track: St. Matthew Passion, BWV 244: Pt. I: No. 4, Recitative and Chorus. Da versammleten sich die Hohenpriester (Evangelist, Chorus, Jesus)
track: Matthäuspassion, BWV 244: Aria. Buß und Reu
track: St. Matthew Passion, BWV 244: Pt. I: No. 9, Recitative and Chorus. Aber am ersten Tage der sussen Brot (Evangelist, Chorus, Jesus)

St. Matthew Passion, BWV 244: Pt. I: No. 7, Recitative. Da ging hin der Zwolfen einer (Evangelist, Judas)
type: MusicRecording
duration: PT0M36S
duration ms: 36613
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
isrc code: HKI190584407
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a54dbf4f5a014e1c3008ea109096bac6dcaa82073e63cc149bd2b1dfca6e886. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584407.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 7, Recitative. Da ging hin der Zwolfen einer (Evangelist, Judas)
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St. Matthew Passion, BWV 244: Pt. I: No. 1, Chorus. Kommt, ihr Tochter, helft mir klagen (Chorus, Soprano in ripieno)
type: MusicRecording
duration: PT6M36S
duration ms: 396173
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 1, Chorus. Kommt, ihr Tochter, helft mir klagen (Chorus, Soprano in ripieno)
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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

St. Matthew Passion, BWV 244: Pt. I: No. 3, Chorale. Herzliebster Jesu, was hast du verbrochen
type: MusicRecording
duration: PT0M45S
duration ms: 45840
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-08-01T02:22:04Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 3, Chorale. Herzliebster Jesu, was hast du verbrochen
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  additional property: Danceability
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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

St. Matthew Passion, BWV 244: Pt. I: No. 4, Recitative and Chorus. Da versammleten sich die Hohenpriester (Evangelist, Chorus, Jesus)
type: MusicRecording
duration: PT3M4S
duration ms: 184733
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x897b6960e766f37be375054771fe6bad240df92b5a650be6871f05d1a10bcae5. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/HKI190584404.
  date published: 2026-08-01T01:44:32Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 4, Recitative and Chorus. Da versammleten sich die Hohenpriester (Evangelist, Chorus, Jesus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.04
  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: 0.479
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.468
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.754
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI190584404
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: 960494
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T01:44:32+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584404
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32+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

Matthäuspassion, BWV 244: Aria. Buß und Reu
type: MusicRecording
duration: PT3M49S
duration ms: 229813
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39b6e1baa00bed7438b47b0a1d2a4c309b9e21d8df28e088255aba7681f8bec8. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/HKI190584406.
  date published: 2026-07-30T09:57:33Z
audio: Matthäuspassion, BWV 244: Aria. Buß und Reu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.518
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.249
  additional property: Liveness
    type: PropertyValue
    value: 0.207
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.566
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: HKI190584406
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: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584406
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+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

St. Matthew Passion, BWV 244: Pt. I: No. 9, Recitative and Chorus. Aber am ersten Tage der sussen Brot (Evangelist, Chorus, Jesus)
type: MusicRecording
duration: PT1M59S
duration ms: 119933
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42237b1e875d181bce6d581d5ae09f18b37481550549e28f764c0a0a6de1e385. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/HKI190584409.
  date published: 2026-07-30T22:27:30Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 9, Recitative and Chorus. Aber am ersten Tage der sussen Brot (Evangelist, Chorus, Jesus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.927
  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: 0.482
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.332
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.221
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.578
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: HKI190584409
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: 960321
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T22:27:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584409
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30+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

St. Matthew Passion, BWV 244: Pt. I: No. 5, Recitative. Du lieber Heiland du (Alto)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 125.259
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.443
additional property: Energy
  type: PropertyValue
  value: 0.029
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.989
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.161
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.195
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.357
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

St. Matthew Passion, BWV 244: Pt. I: No. 8, Aria : Blute nur, du liebes Herz (Soprano)
type: MusicRecording
duration: PT4M38S
duration ms: 278466
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
isrc code: HKI190584408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T22:44:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5c8499710064671eb878e85c48a7d096b38f194aae99a0fe5bb19d462d96f96
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/HKI190584408
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5c8499710064671eb878e85c48a7d096b38f194aae99a0fe5bb19d462d96f96. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584408.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 8, Aria : Blute nur, du liebes Herz (Soprano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.972
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.382
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.61
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: Pt. I: No. 11, Recitative. Er antwortete und sprach (Evangelist, Jesus, Judas)
type: MusicRecording
duration: PT3M2S
duration ms: 182146
explicit: false
by artist: Johann Sebastian Bach
by artist: Nico Van Der Meel
by artist: Raimund Nolte
by artist: Locky Chung
by artist: Claudia Couwenbergh
by artist: Marianne Beate Kielland
by artist: Markus Schäfer
by artist: Hanno Müller-Brachmann
by artist: Hans-Christoph Rademann
by artist: Eberhard Metternich
by artist: Dominique Engler
by artist: Yosemeh Adjei
by artist: Lothar Blum
by artist: Julian Schulzki
by artist: Dresdner Kammerchor
by artist: Knaben des Kölner Domchores
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: J.S. Bach: St. Matthew Passion
  type: MusicAlbum
  date published: 2006-03-21
genre: classical
genre: classical-piano
isrc code: HKI190584411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:14:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30690ebd85694c4a57d6f56c76c163a7e37700e96a08d156fc90e0ca292d34d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584411
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30690ebd85694c4a57d6f56c76c163a7e37700e96a08d156fc90e0ca292d34d9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190584411.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244: Pt. I: No. 11, Recitative. Er antwortete und sprach (Evangelist, Jesus, Judas)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.307
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.195
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major