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genre: classical
description: Antonius Gerhardus Michael "Ton" Koopman (; born 2 October 1944) is a Dutch conductor, organist, harpsichordist, and musicologist, primarily known for being the founder and director of the Amsterdam B
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subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T00:53:20Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T09:37:10Z
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  track: Trio sonatas opus 2: Sonata in g op.2 nr. 3 BuxWV 261
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  track: Trio sonatas opus 1: Sonata in B op. 1 nr. 4 BuxWV 255
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  track: Trio sonatas opus 1: Sonata in e op. 1 nr. 7 BuxWV 258
  track: Sonata in F for two violins, viola da gamba and basso continuo BuxWV 269
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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subject of: OpenTimestamps Proof of Existence
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  value: https://explorer.copyrightchains.com/tx/0x272e1dbe6b72741758d0dad3189ddabcdcc273270c2a4d6e5eeacc8c41cfee28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171100039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x272e1dbe6b72741758d0dad3189ddabcdcc273270c2a4d6e5eeacc8c41cfee28. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171100039 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Trio sonatas opus 2: Sonata in D op.2 nr.2 BuxWV 260
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.399
  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: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.638
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonata in D for viola da gamba, violone and basso continuo BuxWV 267
type: MusicRecording
duration: PT7M53S
duration ms: 473693
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:32:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x633a588f5c71280fce40590a9bc3aad8852bfb999356dc0f5b84a4f421a3d62c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960218
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960218
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:57:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633a588f5c71280fce40590a9bc3aad8852bfb999356dc0f5b84a4f421a3d62c. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000011 — a six-check JSON result.
  date published: 2026-07-30T06:57:05Z
audio: Sonata in D for viola da gamba, violone and basso continuo BuxWV 267
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.386
  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: 0.282
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.917
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.67
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trio sonatas opus 1: Sonata in a op. 1 nr. 3 BuxWV 254
type: MusicRecording
duration: PT10M14S
duration ms: 614520
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T04:30:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2092072e5f5af5a9e0507116b4f02715b1508c155af7b379a1c94f233f8cf7e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000031
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2092072e5f5af5a9e0507116b4f02715b1508c155af7b379a1c94f233f8cf7e8. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000031 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Trio sonatas opus 1: Sonata in a op. 1 nr. 3 BuxWV 254
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.21
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.864
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.474
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.183
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Trio sonatas opus 2: Sonata in g op.2 nr. 3 BuxWV 261
type: MusicRecording
duration: PT13M18S
duration ms: 798653
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171100040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:48:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf439c8b15d7171aaa7ceb35b7a5eb9776402633415cccbe36bbe80964e58c45
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/NLK171100040
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf439c8b15d7171aaa7ceb35b7a5eb9776402633415cccbe36bbe80964e58c45. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171100040 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trio sonatas opus 2: Sonata in g op.2 nr. 3 BuxWV 261
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.193
  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: 0.3
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.874
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.38
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.793
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonata (with Suite) in B flat for violin, viola da gamba and basso continuo BuxWV 273
type: MusicRecording
duration: PT13M12S
duration ms: 792133
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:08:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa48d20d29db1bb23522d46c9a45eca0c2905193f7cb211ff4fd44c567d59b7db
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/NLK171000012
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa48d20d29db1bb23522d46c9a45eca0c2905193f7cb211ff4fd44c567d59b7db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000012 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonata (with Suite) in B flat for violin, viola da gamba and basso continuo BuxWV 273
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.582
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.23
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.533
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.316
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trio sonatas opus 1: Sonata in B op. 1 nr. 4 BuxWV 255
type: MusicRecording
duration: PT8M4S
duration ms: 484173
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:57:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2b1dc35527e51cbe09144fe18e919ea40c66330dbce3d12d2f28964cbf54693
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b1dc35527e51cbe09144fe18e919ea40c66330dbce3d12d2f28964cbf54693. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000032 — a six-check JSON result.
  date published: 2026-07-30T22:27:30Z
audio: Trio sonatas opus 1: Sonata in B op. 1 nr. 4 BuxWV 255
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.662
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.149
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.233
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.412
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.688
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonata in d for violin, viola da gamba and basso continuo BuxWV Anh. 5
type: MusicRecording
duration: PT2M58S
duration ms: 178360
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:59:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8bf7b318bd4f9edaf3cff34d98b6bf388eca704e9cb37205e72f1e2edc94ca9
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/NLK171000013
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bf7b318bd4f9edaf3cff34d98b6bf388eca704e9cb37205e72f1e2edc94ca9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000013 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonata in d for violin, viola da gamba and basso continuo BuxWV Anh. 5
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.659
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.726
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.261
  additional property: Loudness (dB)
    type: PropertyValue
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Trio sonatas opus 1: Sonata in C op. 1 nr. 5 BuxWV 256
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duration: PT8M23S
duration ms: 503320
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000033
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f1bda8f83f98365f80b66ef90d64279a5f8ddbc670e3dc3c277f71756559ae. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000033 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
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Sonata in G for two violins, viola da gamba and basso continuo BuxWV 271
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duration: PT8M30S
duration ms: 510760
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
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additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0def00767315dcf1d3cdaff523ca27325c4b011172677be39b830c324835cb52. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000014 — a six-check JSON result.
  date published: 2026-07-31T09:50:37Z
audio: Sonata in G for two violins, viola da gamba and basso continuo BuxWV 271
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Trio sonatas opus 1: Sonata in d op. 1 nr. 6 BuxWV 257
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duration: PT9M33S
duration ms: 573160
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000034
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T12:24:41Z
audio: Trio sonatas opus 1: Sonata in d op. 1 nr. 6 BuxWV 257
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Sonata in D for viola da gamba and basso continuo BuxWV 268
type: MusicRecording
duration: PT4M35S
duration ms: 275280
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000015
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97f276b330b10dc11bfd92b3c0e3d83a7846d1afeeff6aa85961dd5a1daa56d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000015 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Sonata in D for viola da gamba and basso continuo BuxWV 268
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  additional property: Musical Key
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Trio sonatas opus 1: Sonata in e op. 1 nr. 7 BuxWV 258
type: MusicRecording
duration: PT7M0S
duration ms: 420066
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000035
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d148204af0d02f6840b7982db6b9bbb7365a45b9daa7ff1a423dd4914469a4. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000035 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Trio sonatas opus 1: Sonata in e op. 1 nr. 7 BuxWV 258
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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: Valence (Positivity)
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  additional property: Mode Name
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Sonata in F for two violins, viola da gamba and basso continuo BuxWV 269
type: MusicRecording
duration: PT6M52S
duration ms: 412920
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
in album: Buxtehude: Complete Chamber Music
  type: MusicAlbum
  date published: 2021-08-06
genre: choral
isrc code: NLK171000016
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x055d0ced289d73888bcd67ac4bbb4d51c32ebbce2ef500e536bf0f54035a3860. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK171000016 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonata in F for two violins, viola da gamba and basso continuo BuxWV 269
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Haydn: The Seven Last Words of Christ, Hob. XX:1
type: MusicAlbum
date published: 2020-04-10
track: The Seven Last Words of Christ, Hob. XX:1: I. Introduzione. Adagio
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  by artist: Joseph Haydn
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  by artist: Berner Symphonieorchester
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-30T21:35:24Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  subject of: OpenTimestamps Proof of Existence
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track: The Seven Last Words of Christ, Hob. XX:1: IV. Sonata 3. Grave
track: The Seven Last Words of Christ, Hob. XX:1: V. Sonata 4. Largo

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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5251605338904d8957bc96d9773a69dc1e1dc0e3b6b97e2d29efa7e8abc592b2. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1262091103 — a six-check JSON result.
date published: 2026-08-01T00:10:46Z

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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  by artist: Ton Koopman
  by artist: Amsterdam Baroque Orchestra
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bach, CPE: Symphonies, Wq. 183: No. 3 in F Major: I. Allegro di molto
track: Mozart: Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro

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CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208502601

OTSTimestamp
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value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227a1d66add6662d0e4a9ee8d5e2a341a89bf0f8efbbc189636b9c9d9644a1e1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208502601 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Bach, CPE: Symphonies, Wq. 183: No. 3 in F Major: I. Allegro di molto
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: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Mozart: Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro
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duration: PT6M7S
duration ms: 367533
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ton Koopman
by artist: Amsterdam Baroque Orchestra
in album: Mozart, Haydn & CPE Bach
  type: MusicAlbum
  date published: 2024-07-04
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: FRZ208900001
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/FRZ208900001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50624a650d8eee9870161c97f472ba3c1314d0b99a1d7dcfadede862a579ce5d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208900001 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Mozart: Divertimento in D Major, K. 136 "Salzburg Symphony No. 1": I. Allegro
  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: Valence (Positivity)
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Handel & Purcell
type: MusicAlbum
date published: 2024-05-27
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  type: MusicRecording
  duration: PT1M51S
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  by artist: George Frideric Handel
  by artist: Amsterdam Baroque Orchestra
  by artist: Ton Koopman
  in album: Handel & Purcell
    type: MusicAlbum
    date published: 2024-05-27
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: FRZ209205102
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e36ca50ee17300a08e5fa8680bc7ddab0aa9d95ab580491b7b1c07559f92f0d. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205102 — a six-check JSON result.
    date published: 2026-07-31T09:25:34Z
  audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: II. Adagio e staccato
    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
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    additional property: Danceability
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    additional property: Key Name
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    additional property: Mode Name
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  type: MusicRecording
  duration: PT7M14S
  duration ms: 434106
  explicit: false
  by artist: George Frideric Handel
  by artist: Amsterdam Baroque Orchestra
  by artist: Ton Koopman
  in album: Handel & Purcell
    type: MusicAlbum
    date published: 2024-05-27
  genre: classical
  genre: opera
  genre: early-music
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  genre: english-baroque
  genre: german-baroque
  genre: choral
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43bdfc513969abb125d177469cb33e4e73088192467fcca67e74a408a982589d. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205103 — a six-check JSON result.
    date published: 2026-07-31T05:48:18Z
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    additional property: Key Name
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track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: IV. Minuet
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  explicit: false
  by artist: George Frideric Handel
  by artist: Amsterdam Baroque Orchestra
  by artist: Ton Koopman
  in album: Handel & Purcell
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    date published: 2024-05-27
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  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
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  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: IV. Minuet
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: V. Air
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VI. Minuet
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VII. Bourrée
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VIII. Hornpipe
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: IX. Allegro moderato
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: X. Allegro
track: Handel: Water Music, Suite No. 1 in F Major, HWV 348: XI. Alla Hornpipe
track: Handel: Messiah, HWV 56, Pt. 1: Sinfonia
track: Purcell: The Fairy Queen, Z. 629: First Music. Prelude
track: Purcell: The Fairy Queen, Z. 629: First Music. Hornpipe
track: Purcell: The Fairy Queen, Z. 629: Second Music. Air
track: Purcell: The Fairy Queen, Z. 629: Second Music. Rondeau
track: Purcell: The Fairy Queen, Z. 629, Act I: Duet. "Come, Let Us Leave the Town"
track: Purcell: The Fairy Queen, Z. 629, Act II: Echo
track: Purcell: The Fairy Queen, Z. 629, Act II. Song. "One Charming Night"
track: Handel: Organ Concerto in B-Flat Major, Op. 4 No. 6, HWV 294: I. Andante allegro

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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value: 960494

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960494

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205104

OTSTimestamp
type: PropertyValue
value: 2026-08-01T01:44:32Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ea34597f8182d11e4c2c62a939678081334db2a86c0452b0a0567014d93379. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205104 — a six-check JSON result.
date published: 2026-08-01T01:44:32Z

Handel: Water Music, Suite No. 1 in F Major, HWV 348: IV. Minuet
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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
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Handel: Water Music, Suite No. 1 in F Major, HWV 348: V. Air
type: MusicRecording
duration: PT3M11S
duration ms: 191333
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205105
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f6ee609205c2a947fc97571b54b8406949bacb4fadcb4d7ca4f96cd191ae74. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205105 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
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    value: -28.608
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Water Music, Suite No. 1 in F Major, HWV 348: VI. Minuet
type: MusicRecording
duration: PT2M17S
duration ms: 137173
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:05:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1938a45731033aab7673b487ce16ba7637b8ac64d7d39e108b5cba6a70e03f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1938a45731033aab7673b487ce16ba7637b8ac64d7d39e108b5cba6a70e03f88. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205106 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VI. Minuet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.244
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.1
  additional property: Liveness
    type: PropertyValue
    value: 0.269
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.584
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Water Music, Suite No. 1 in F Major, HWV 348: VII. Bourrée
type: MusicRecording
duration: PT1M40S
duration ms: 100400
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:45:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x797d4eb7529e58a34aae4bb9197c1ca0207387f18cf0d0730cca6e08db9ff3b5
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/FRZ209205107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797d4eb7529e58a34aae4bb9197c1ca0207387f18cf0d0730cca6e08db9ff3b5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205107 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VII. Bourrée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.114
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.642
  additional property: Energy
    type: PropertyValue
    value: 0.238
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.81
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.337
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.975
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.978
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Water Music, Suite No. 1 in F Major, HWV 348: VIII. Hornpipe
type: MusicRecording
duration: PT1M20S
duration ms: 80693
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:25:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e604d9858e7c2438632e8f8545b02fd2c662ebd1749089ad406adfeb547f840
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e604d9858e7c2438632e8f8545b02fd2c662ebd1749089ad406adfeb547f840. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205108 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: VIII. Hornpipe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.079
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.655
  additional property: Energy
    type: PropertyValue
    value: 0.176
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.811
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.983
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.77
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Water Music, Suite No. 1 in F Major, HWV 348: IX. Allegro moderato
type: MusicRecording
duration: PT2M47S
duration ms: 167466
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:35:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee8821cba5e16e4bdd44f8652b86dc60fd43bde9e355fa6a17fd3b8528607ece
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8821cba5e16e4bdd44f8652b86dc60fd43bde9e355fa6a17fd3b8528607ece. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205109 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: IX. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.58
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.563
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.859
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.231
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.633
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.834
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Water Music, Suite No. 1 in F Major, HWV 348: X. Allegro
type: MusicRecording
duration: PT4M15S
duration ms: 255333
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:52:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec7dc5873a118fbf4e32148eef25e5ad5aea89bcffec247b3034566e29e4071d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7dc5873a118fbf4e32148eef25e5ad5aea89bcffec247b3034566e29e4071d. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205110 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: X. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.507
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.518
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.287
  additional property: Liveness
    type: PropertyValue
    value: 0.431
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.748
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.682
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Water Music, Suite No. 1 in F Major, HWV 348: XI. Alla Hornpipe
type: MusicRecording
duration: PT4M34S
duration ms: 274400
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ209205111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:12:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac4de7d51b6d8e8d0dbb6e0b70fe2e85894d871d36bfac41c10d52d8b133aaf4
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/FRZ209205111
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4de7d51b6d8e8d0dbb6e0b70fe2e85894d871d36bfac41c10d52d8b133aaf4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209205111 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Handel: Water Music, Suite No. 1 in F Major, HWV 348: XI. Alla Hornpipe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.211
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.595
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.525
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.651
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.03
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Messiah, HWV 56, Pt. 1: Sinfonia
type: MusicRecording
duration: PT3M9S
duration ms: 189400
explicit: false
by artist: George Frideric Handel
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ208302202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:13:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8276c3049b6a80b52578bdcd26cd4ee74fd32dfea93088747525b4a67832c134
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/FRZ208302202
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8276c3049b6a80b52578bdcd26cd4ee74fd32dfea93088747525b4a67832c134. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208302202 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Handel: Messiah, HWV 56, Pt. 1: Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.357
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.904
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.286
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.785
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Purcell: The Fairy Queen, Z. 629: First Music. Prelude
type: MusicRecording
duration: PT2M6S
duration ms: 126373
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:57:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18ff5dbea6883f7eeb6109a56830e504779c53d69d893f39c8a22f20e8b14007
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ff5dbea6883f7eeb6109a56830e504779c53d69d893f39c8a22f20e8b14007. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423601 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Purcell: The Fairy Queen, Z. 629: First Music. Prelude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.555
  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: 0.4
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.929
  additional property: Liveness
    type: PropertyValue
    value: 0.351
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.543
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.075
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Purcell: The Fairy Queen, Z. 629: First Music. Hornpipe
type: MusicRecording
duration: PT0M57S
duration ms: 57000
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdfd461a265a99d696e275b53dbf42c2a20dd879f0036f4bd38e025e5f9cbe72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423602
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdfd461a265a99d696e275b53dbf42c2a20dd879f0036f4bd38e025e5f9cbe72. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423602 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Purcell: The Fairy Queen, Z. 629: First Music. Hornpipe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.563
  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: 0.469
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.443
  additional property: Liveness
    type: PropertyValue
    value: 0.357
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.689
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.049
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Purcell: The Fairy Queen, Z. 629: Second Music. Air
type: MusicRecording
duration: PT1M39S
duration ms: 99160
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:36:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63130b33d9d48276a4d94c49a60ce8c5ecc04c7f873bb500575de6837f210ce5
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/FRZ209423603
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63130b33d9d48276a4d94c49a60ce8c5ecc04c7f873bb500575de6837f210ce5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423603 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Purcell: The Fairy Queen, Z. 629: Second Music. Air
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.722
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.244
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.779
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.439
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.364
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: The Fairy Queen, Z. 629: Second Music. Rondeau
type: MusicRecording
duration: PT0M52S
duration ms: 52840
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8afd19237e573cdd74e9795b4359d735a0104599b3c864e860c2b8668bff05c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423604
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afd19237e573cdd74e9795b4359d735a0104599b3c864e860c2b8668bff05c1. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423604 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Purcell: The Fairy Queen, Z. 629: Second Music. Rondeau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.132
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.26
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.567
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.815
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.601
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: The Fairy Queen, Z. 629, Act I: Duet. "Come, Let Us Leave the Town"
type: MusicRecording
duration: PT2M31S
duration ms: 151626
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
by artist: Els Bongers
by artist: Kees van de Koning
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:30:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e921a63f0cc5d6bd61e426eabe1b40478bec59138fc1d25efdea10bb0e5a3eb
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/FRZ209423606
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e921a63f0cc5d6bd61e426eabe1b40478bec59138fc1d25efdea10bb0e5a3eb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423606 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Purcell: The Fairy Queen, Z. 629, Act I: Duet. "Come, Let Us Leave the Town"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.905
  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: 0.344
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.893
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.398
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.584
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Purcell: The Fairy Queen, Z. 629, Act II: Echo
type: MusicRecording
duration: PT1M22S
duration ms: 82000
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:47:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39ea6bda7d9ddc1fada084dcdd4f92e487371f72771e18e5f7c6aa1113e97428
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423612
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ea6bda7d9ddc1fada084dcdd4f92e487371f72771e18e5f7c6aa1113e97428. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209423612 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Purcell: The Fairy Queen, Z. 629, Act II: Echo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.937
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.008
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.265
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.495
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.302
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: The Fairy Queen, Z. 629, Act II. Song. "One Charming Night"
type: MusicRecording
duration: PT3M2S
duration ms: 182106
explicit: false
by artist: Henry Purcell
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
by artist: Geraint Rogers
in album: Handel & Purcell
  type: MusicAlbum
  date published: 2024-05-27
genre: classical
genre: choral
isrc code: FRZ209423617
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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subject of: OpenTimestamps Proof of Existence
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audio: Purcell: The Fairy Queen, Z. 629, Act II. Song. "One Charming Night"
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Handel: Organ Concerto in B-Flat Major, Op. 4 No. 6, HWV 294: I. Andante allegro
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genre: german-baroque
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subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  audio: Bach, JS: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
track: Bach: Magnificat, BWV 243: I. Chorus. "Magnificat anima mea Dominum"
track: Bach: Magnificat, BWV 243: IX. Aria. "Esurientes implevit bonis"
track: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: I. Largo
track: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: II. Vivace
track: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: III. Dolce
track: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: IV. Vivace
track: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 1, Chor. "Jauchzet, frohlocket, auf, preiset die Tage"
track: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 4, Aria. "Bereite dich, Zion, mit zärtlichen Trieben"
track: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
track: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
track: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: II. Adagio
track: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: III. Allegro
track: Buxtehude: Membra Jesu nostri, BuxWV 75: II. Ad genua. "Ad ubera portabimini"
track: Bach, JS: Trio Sonata No. 2 in C Minor, BWV 526: I. Vivace
track: Bach, JS: French Suite No. 5 in G Major, BWV 816: IV. Gavotte

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

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subject of: OpenTimestamps Proof of Existence
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Bach: Magnificat, BWV 243: IX. Aria. "Esurientes implevit bonis"
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by artist: Amsterdam Baroque Orchestra
in album: Bach, Buxtehude & Telemann
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  date published: 2024-05-16
popularity: 7
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Bach: Magnificat, BWV 243: IX. Aria. "Esurientes implevit bonis"
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: I. Largo
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duration: PT1M29S
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by artist: Georg Philipp Telemann
by artist: Ton Koopman
by artist: Wilbert Hazelzet
by artist: Marc Vallon
by artist: Jaap ter Linden
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 7
isrc code: FRZ209310701
additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: I. Largo
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: II. Vivace
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duration: PT1M38S
duration ms: 98600
explicit: false
by artist: Georg Philipp Telemann
by artist: Ton Koopman
by artist: Wilbert Hazelzet
by artist: Marc Vallon
by artist: Jaap ter Linden
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 7
isrc code: FRZ209310702
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: II. Vivace
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: III. Dolce
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duration: PT1M15S
duration ms: 75106
explicit: false
by artist: Georg Philipp Telemann
by artist: Ton Koopman
by artist: Wilbert Hazelzet
by artist: Marc Vallon
by artist: Jaap ter Linden
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 7
isrc code: FRZ209310703
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2302ec2bdaceba8a543e34b54bc030361964155932c7587f1f70540bafb901bd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209310703 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: III. Dolce
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: IV. Vivace
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duration: PT2M17S
duration ms: 137226
explicit: false
by artist: Georg Philipp Telemann
by artist: Ton Koopman
by artist: Wilbert Hazelzet
by artist: Marc Vallon
by artist: Jaap ter Linden
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 7
isrc code: FRZ209310704
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:38:45Z
audio: Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: IV. Vivace
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 1, Chor. "Jauchzet, frohlocket, auf, preiset die Tage"
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by artist: Johann Sebastian Bach
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by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
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popularity: 7
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209616701
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb25c4de22045150c01f1fb43b28f0a22d082a26c919fae1b12115a8601d0d5c3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616701 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 1, Chor. "Jauchzet, frohlocket, auf, preiset die Tage"
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 4, Aria. "Bereite dich, Zion, mit zärtlichen Trieben"
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by artist: Elisabeth Von Magnus
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popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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isrc code: FRZ209616704
additional property: CopyrightID
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafff79fd0f3e33bb9905adbb02acfc0ede1dd7f53cb16bb00f941eebfd2468ad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616704 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 4, Aria. "Bereite dich, Zion, mit zärtlichen Trieben"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.072
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.27
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.248
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
type: MusicRecording
duration: PT5M26S
duration ms: 326246
explicit: false
by artist: Johann Sebastian Bach
by artist: Amsterdam Baroque Orchestra
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209616710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:01:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8678cd396ed0ab5503f07e9b278fdaa695999905a42212ac29f1a4b75a11585d
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/FRZ209616710
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8678cd396ed0ab5503f07e9b278fdaa695999905a42212ac29f1a4b75a11585d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616710 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.103
  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: 0.098
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.454
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.319
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
type: MusicRecording
duration: PT5M30S
duration ms: 330733
explicit: false
by artist: Johann Sebastian Bach
by artist: Jordi Savall
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEC628900705
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:39:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x064882981abf5bf4218f5281510c8a96090e0d86cff5763aa3af43e340c1faf7
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/DEC628900705
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x064882981abf5bf4218f5281510c8a96090e0d86cff5763aa3af43e340c1faf7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628900705 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.556
  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: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.691
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.206
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: II. Adagio
type: MusicRecording
duration: PT5M59S
duration ms: 359360
explicit: false
by artist: Johann Sebastian Bach
by artist: Jordi Savall
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEC628900706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:43:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdc214a7a971ad7dbbf86aca6188c4a1ba501a3697f91e918eb9ecae6b135c53
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/DEC628900706
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc214a7a971ad7dbbf86aca6188c4a1ba501a3697f91e918eb9ecae6b135c53. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628900706 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.198
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.88
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.381
  additional property: Liveness
    type: PropertyValue
    value: 0.263
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.139
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.629
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: III. Allegro
type: MusicRecording
duration: PT3M54S
duration ms: 234506
explicit: false
by artist: Johann Sebastian Bach
by artist: Jordi Savall
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEC628900707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:43:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c543617b865c1ba8ca8bbb2cc891256b4127aad3fc62f1b88894bd681215348
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/DEC628900707
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c543617b865c1ba8ca8bbb2cc891256b4127aad3fc62f1b88894bd681215348. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628900707 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: III. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.34
  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: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.689
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.527
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.262
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Buxtehude: Membra Jesu nostri, BuxWV 75: II. Ad genua. "Ad ubera portabimini"
type: MusicRecording
duration: PT7M27S
duration ms: 447533
explicit: false
by artist: Dietrich Buxtehude
by artist: Ton Koopman
by artist: Barbara Schlick
by artist: Monika Frimmer
by artist: Michael Chance
by artist: Christoph Prégardien
by artist: Peter Kooij
by artist: Knabenchor Hannover
by artist: Amsterdam Baroque Orchestra
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 6
genre: choral
isrc code: FRZ208704402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:09:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4a8580ace0395d57cc29d5cf6dd5955f313774379640240d504eb05f6e18384
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208704402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a8580ace0395d57cc29d5cf6dd5955f313774379640240d504eb05f6e18384. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208704402 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Buxtehude: Membra Jesu nostri, BuxWV 75: II. Ad genua. "Ad ubera portabimini"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.728
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.896
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.234
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Trio Sonata No. 2 in C Minor, BWV 526: I. Vivace
type: MusicRecording
duration: PT3M33S
duration ms: 213640
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809446001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ac49b22ee943fbf1134cbbbc797ff74fad9fa977d15aed4fa7c70f4eaec0005
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809446001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ac49b22ee943fbf1134cbbbc797ff74fad9fa977d15aed4fa7c70f4eaec0005. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809446001 — a six-check JSON result.
  date published: 2026-07-31T16:07:24Z
audio: Bach, JS: Trio Sonata No. 2 in C Minor, BWV 526: I. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.434
  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: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.31
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.614
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: French Suite No. 5 in G Major, BWV 816: IV. Gavotte
type: MusicRecording
duration: PT0M44S
duration ms: 44826
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach, Buxtehude & Telemann
  type: MusicAlbum
  date published: 2024-05-16
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209302704
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:02:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd82f7e780473f2368fc1f9716819ce2f4b61418b3f15712da058045ffa07bc1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209302704
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd82f7e780473f2368fc1f9716819ce2f4b61418b3f15712da058045ffa07bc1. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209302704 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Bach, JS: French Suite No. 5 in G Major, BWV 816: IV. Gavotte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.637
  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: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.561
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.218
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.822
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.861
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.349
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach: Passionen - Arias
type: MusicAlbum
date published: 2024-04-04
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 6, Aria. "Buss und Reu"
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263773
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: Kai Wessel
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Arias
    type: MusicAlbum
    date published: 2024-04-04
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209202312
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e5c84a4880a21ed1d5379ffb6cb202186f2e4c852b2d8dcc6eb40ae3c46a153
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960207
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960207
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202312
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T04:47:22Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5c84a4880a21ed1d5379ffb6cb202186f2e4c852b2d8dcc6eb40ae3c46a153. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202312 — a six-check JSON result.
    date published: 2026-07-30T04:47:22Z
  audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 6, Aria. "Buss und Reu"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.136
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.249
    additional property: Energy
      type: PropertyValue
      value: 0.027
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.344
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.101
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.663
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 8, Aria. "Blute nur, du liebes Herz!"
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297973
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: Barbara Schlick
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Arias
    type: MusicAlbum
    date published: 2024-04-04
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209202314
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x362d467d9f771f90c35de13706f8e361983c1d44c77d2faef3c0fab5881e310e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960222
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960222
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202314
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T07:48:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362d467d9f771f90c35de13706f8e361983c1d44c77d2faef3c0fab5881e310e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202314 — a six-check JSON result.
    date published: 2026-07-30T07:48:45Z
  audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 8, Aria. "Blute nur, du liebes Herz!"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.565
    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: 0.295
    additional property: Energy
      type: PropertyValue
      value: 0.027
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.096
    additional property: Liveness
      type: PropertyValue
      value: 0.133
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.044
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.07
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 13, Aria. "Ich will dir mein Herz schenken"
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220866
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: Barbara Schlick
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Arias
    type: MusicAlbum
    date published: 2024-04-04
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209202323
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 13, Aria. "Ich will dir mein Herz schenken"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 20, Aria mit Chor. "Ich will bei meinem Jesu wachen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 23, Aria. "Gerne will ich mich bequemen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 30, Aria mit Chor. "Ach, nun ist mein Jesus hin!"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 35, Aria. "Geduld!"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 39, Aria. "Erbarme dich"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 42, Aria. "Gebt mir meinen Jesum wieder"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 49, Aria. "Aus Liebe will mein Heiland sterben"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 52, Aria. "Können Tränen meinen Wangen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 57, Aria. "Komm, süsses Kreuz, so will ich sagen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 60, Aria mit Chor. "Sehet, Jesus hat die Hand"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 65, Aria. "Mache dich, mein Herze, rein"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 7, Aria. "Von den Stricken"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 9, Aria. "Ich folge dir gleichfalls"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 13, Aria. "Ach, mein Sinn"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 19, Arioso. "Betrachte, meine Seel', mit ängstlichem Vergnügen"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 20, Aria. "Erwäge, wie sien blutgefärbter Rücken"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 24, Aria mit Chor. "Eilt, ihr angefocht'nen Seelen"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 30, Aria. "Es ist vollbracht"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 32, Aria mit Choral. "Mein teurer Heiland"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 34, Arioso. "Mein Herz, in dem die ganze Welt"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 35, Aria. "Zerfliesse, mein Herze"
track: Bach, JS: Markus-Passion, BWV 247: No. 15, Aria. "Mein Heiland"
track: Bach, JS: Markus-Passion, BWV 247: No. 24, Aria. "Falsche Welt"
track: Bach, JS: Markus-Passion, BWV 247: No. 29, Aria. "Mein Tröster ist nicht mehr bei mir"
track: Bach, JS: Markus-Passion, BWV 247: No. 36d, Aria. "Zerschmettert mich"
track: Bach, JS: Markus-Passion, BWV 247: No. 39a, Aria. "Angenehmes Mordgeschrei!"

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x007162a5e472bf6fd5577e47fbd09c6b04b98eafc491b764106558bfe9d01570

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960273

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960273

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202323

OTSTimestamp
type: PropertyValue
value: 2026-07-30T15:42:38Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007162a5e472bf6fd5577e47fbd09c6b04b98eafc491b764106558bfe9d01570. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202323 — a six-check JSON result.
date published: 2026-07-30T15:42:38Z

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 13, Aria. "Ich will dir mein Herz schenken"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 138.538
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: 0.314
additional property: Energy
  type: PropertyValue
  value: 0.052
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.992
additional property: Instrumentalness
  type: PropertyValue
  value: 0.811
additional property: Liveness
  type: PropertyValue
  value: 0.122
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.308
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.74
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 20, Aria mit Chor. "Ich will bei meinem Jesu wachen"
type: MusicRecording
duration: PT5M0S
duration ms: 300000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Christoph Prégardien
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:43:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x849e16bd96a90ea9627529fb51bfb6b823581003dd563905383c4f44f8147e43
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/FRZ209202330
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849e16bd96a90ea9627529fb51bfb6b823581003dd563905383c4f44f8147e43. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202330 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 20, Aria mit Chor. "Ich will bei meinem Jesu wachen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.541
  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: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.294
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.511
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 23, Aria. "Gerne will ich mich bequemen"
type: MusicRecording
duration: PT4M16S
duration ms: 256105
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202333
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:26:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9688c8bc2f2389f80fd3c04a4543d52cd0fc1173d42cc28fc9ed486799cf18df
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/FRZ209202333
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9688c8bc2f2389f80fd3c04a4543d52cd0fc1173d42cc28fc9ed486799cf18df. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202333 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 23, Aria. "Gerne will ich mich bequemen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.152
  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: 0.357
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.916
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.226
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.237
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 30, Aria mit Chor. "Ach, nun ist mein Jesus hin!"
type: MusicRecording
duration: PT3M56S
duration ms: 236000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:57:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a9bd485ac010ad1f7bd8dbc86d2949fa186756bd7652908b85fd6ff8e631ad1
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/FRZ209202341
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a9bd485ac010ad1f7bd8dbc86d2949fa186756bd7652908b85fd6ff8e631ad1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202341 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 30, Aria mit Chor. "Ach, nun ist mein Jesus hin!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.557
  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: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.152
  additional property: Liveness
    type: PropertyValue
    value: 0.286
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.775
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 35, Aria. "Geduld!"
type: MusicRecording
duration: PT3M37S
duration ms: 217000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Christoph Prégardien
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202346
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:21:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0432a8aa1979a28dc51b424dc3869965df3094850d1d7b252f9cea03ee12dd2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202346
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0432a8aa1979a28dc51b424dc3869965df3094850d1d7b252f9cea03ee12dd2f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202346 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 35, Aria. "Geduld!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.088
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.391
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.411
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.871
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 39, Aria. "Erbarme dich"
type: MusicRecording
duration: PT7M6S
duration ms: 426333
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T05:30:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f2d73f11318e9f7f80335ed7adb9fd8a95fd6835e6d19d3734eba21ed394383
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/FRZ209202301
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f2d73f11318e9f7f80335ed7adb9fd8a95fd6835e6d19d3734eba21ed394383. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202301 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 39, Aria. "Erbarme dich"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.839
  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: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.062
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.594
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 42, Aria. "Gebt mir meinen Jesum wieder"
type: MusicRecording
duration: PT2M53S
duration ms: 173666
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202359
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:44:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbc7a8c4eca53869a21c426a89f571f9e551e6d8b6d17cc05d464e8799c217e6
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/FRZ209202359
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc7a8c4eca53869a21c426a89f571f9e551e6d8b6d17cc05d464e8799c217e6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202359 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 42, Aria. "Gebt mir meinen Jesum wieder"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.523
  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: 0.495
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.621
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.98
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 49, Aria. "Aus Liebe will mein Heiland sterben"
type: MusicRecording
duration: PT5M27S
duration ms: 327000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Barbara Schlick
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202367
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:21:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c797ca371b2b9e83dc0ee9bc824e005d2adf2125333f93515ecd9df06333a8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202367
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c797ca371b2b9e83dc0ee9bc824e005d2adf2125333f93515ecd9df06333a8e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202367 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 49, Aria. "Aus Liebe will mein Heiland sterben"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.96
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.186
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.867
  additional property: Liveness
    type: PropertyValue
    value: 0.062
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.014
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 52, Aria. "Können Tränen meinen Wangen"
type: MusicRecording
duration: PT6M3S
duration ms: 363040
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209208807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:54:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b0f6f9ba23e081e3f104ad742cecedb6a8679ce371ece26938cf31400b88357
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/FRZ209208807
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b0f6f9ba23e081e3f104ad742cecedb6a8679ce371ece26938cf31400b88357. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208807 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 52, Aria. "Können Tränen meinen Wangen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.531
  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: 0.338
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.333
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.851
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 57, Aria. "Komm, süsses Kreuz, so will ich sagen"
type: MusicRecording
duration: PT5M51S
duration ms: 351506
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209208813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:26:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x736bbac52ff68cf2b36c5dc1cafe5da78587068915898a7edb030983eeadc881
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x736bbac52ff68cf2b36c5dc1cafe5da78587068915898a7edb030983eeadc881. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208813 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 57, Aria. "Komm, süsses Kreuz, so will ich sagen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.392
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.15
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.702
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 60, Aria mit Chor. "Sehet, Jesus hat die Hand"
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209208820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:09:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00cf56ebcebcea38ee1be309d2fa3f07b0146ca940e74e840d6b2ceb3a68b7d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00cf56ebcebcea38ee1be309d2fa3f07b0146ca940e74e840d6b2ceb3a68b7d5. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208820 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 60, Aria mit Chor. "Sehet, Jesus hat die Hand"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.484
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.295
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.311
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.681
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 65, Aria. "Mache dich, mein Herze, rein"
type: MusicRecording
duration: PT6M42S
duration ms: 402000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209208831
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:47:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ad8e7785e9aa2e8f7251b2d6eb1a0cfd122e201dd8f7ed30f3a4592c92e5a81
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/FRZ209208831
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad8e7785e9aa2e8f7251b2d6eb1a0cfd122e201dd8f7ed30f3a4592c92e5a81. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208831 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 65, Aria. "Mache dich, mein Herze, rein"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.521
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.199
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.709
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.245
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.572
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 7, Aria. "Von den Stricken"
type: MusicRecording
duration: PT5M8S
duration ms: 308693
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:59:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8934888e8c23d21ab575eeea6ad36120f89b5682d5d9f4a017c7028f96339ebe
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/FRZ209311511
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8934888e8c23d21ab575eeea6ad36120f89b5682d5d9f4a017c7028f96339ebe. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311511 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 7, Aria. "Von den Stricken"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.36
  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: 0.279
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.284
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.978
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 9, Aria. "Ich folge dir gleichfalls"
type: MusicRecording
duration: PT3M43S
duration ms: 223000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Barbara Schlick
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T05:31:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6df4f48370d8cae5cabda918ee2ed64c6f4315cd96184cd47031d37934e5e76b
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/FRZ209311513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6df4f48370d8cae5cabda918ee2ed64c6f4315cd96184cd47031d37934e5e76b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311513 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 9, Aria. "Ich folge dir gleichfalls"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.847
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.351
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.121
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.357
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.445
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 13, Aria. "Ach, mein Sinn"
type: MusicRecording
duration: PT2M41S
duration ms: 161600
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Gerd Türk
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T05:31:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbbbc65fbfbfed97578fa9ceb68d6460f12d2bc82eaa12c524a7c8bc5c80fd9b6
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/FRZ209311519
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbbc65fbfbfed97578fa9ceb68d6460f12d2bc82eaa12c524a7c8bc5c80fd9b6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311519 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 13, Aria. "Ach, mein Sinn"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.436
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.346
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.036
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 19, Arioso. "Betrachte, meine Seel', mit ängstlichem Vergnügen"
type: MusicRecording
duration: PT2M35S
duration ms: 155440
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:04:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff20d10b5fed47eafec44f89ec1a81e903e582d3e07a31980611c09f114dc99f
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/FRZ209311531
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff20d10b5fed47eafec44f89ec1a81e903e582d3e07a31980611c09f114dc99f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311531 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 19, Arioso. "Betrachte, meine Seel', mit ängstlichem Vergnügen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.539
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.161
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.19
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 20, Aria. "Erwäge, wie sien blutgefärbter Rücken"
type: MusicRecording
duration: PT7M30S
duration ms: 450893
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Gerd Türk
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:08:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24d85730f8a86e73956e7270dd85de58f135581a0fcdb3ef8da9759af5744c08
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/FRZ209311532
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d85730f8a86e73956e7270dd85de58f135581a0fcdb3ef8da9759af5744c08. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311532 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 20, Aria. "Erwäge, wie sien blutgefärbter Rücken"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.599
  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: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.678
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 24, Aria mit Chor. "Eilt, ihr angefocht'nen Seelen"
type: MusicRecording
duration: PT4M6S
duration ms: 246773
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311548
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd608fc1bacabd68b56b883aa11c3c631f82afa2d769ca8b509a601e2da1e7013
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311548
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd608fc1bacabd68b56b883aa11c3c631f82afa2d769ca8b509a601e2da1e7013. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311548 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 24, Aria mit Chor. "Eilt, ihr angefocht'nen Seelen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.211
  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: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.209
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.404
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.838
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 30, Aria. "Es ist vollbracht"
type: MusicRecording
duration: PT5M19S
duration ms: 319360
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Kai Wessel
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311558
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85540d30c0a78c3ee966fc113d0e822917afd98cd71bd6b383281467d2fbff03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311558
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85540d30c0a78c3ee966fc113d0e822917afd98cd71bd6b383281467d2fbff03. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311558 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 30, Aria. "Es ist vollbracht"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.286
  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: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.67
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 32, Aria mit Choral. "Mein teurer Heiland"
type: MusicRecording
duration: PT4M39S
duration ms: 279466
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311560
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8da876eb58e4d469d5bc0811c47cfc7f9c5c58150773f39476068b6bdf38a67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311560
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8da876eb58e4d469d5bc0811c47cfc7f9c5c58150773f39476068b6bdf38a67. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311560 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 32, Aria mit Choral. "Mein teurer Heiland"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.836
  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: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.224
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.974
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 34, Arioso. "Mein Herz, in dem die ganze Welt"
type: MusicRecording
duration: PT0M53S
duration ms: 53866
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Gerd Türk
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311562
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f6a356650553835bd0ed018e9f49fd768f7709a52f14c7f388795c313beca06
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311562
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f6a356650553835bd0ed018e9f49fd768f7709a52f14c7f388795c313beca06. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311562 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 34, Arioso. "Mein Herz, in dem die ganze Welt"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.843
  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: 0.357
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.345
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 35, Aria. "Zerfliesse, mein Herze"
type: MusicRecording
duration: PT6M28S
duration ms: 388640
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Barbara Schlick
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311563
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11981c3708b0253ed70e10bdaffe86362523083056dc96989e1295a8cdd593e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311563
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11981c3708b0253ed70e10bdaffe86362523083056dc96989e1295a8cdd593e8. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311563 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 35, Aria. "Zerfliesse, mein Herze"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.281
  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: 0.192
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.841
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.205
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 15, Aria. "Mein Heiland"
type: MusicRecording
duration: PT7M35S
duration ms: 455626
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:40:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3252c916bba64c385eebb11f906a56cb91de06ddf153d0ce2b77bc5a84ea8aa1
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/FRZ209907650
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3252c916bba64c385eebb11f906a56cb91de06ddf153d0ce2b77bc5a84ea8aa1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907650 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 15, Aria. "Mein Heiland"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.402
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.234
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.186
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.346
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 24, Aria. "Falsche Welt"
type: MusicRecording
duration: PT2M31S
duration ms: 151573
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Paul Agnew
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907750
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fc69f4ae006c962bcc19a13fa4ca15b3c0cb84638ae8554278c339a2d84d5c9
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907750
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc69f4ae006c962bcc19a13fa4ca15b3c0cb84638ae8554278c339a2d84d5c9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907750 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 24, Aria. "Falsche Welt"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.382
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.599
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.199
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.349
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.068
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 29, Aria. "Mein Tröster ist nicht mehr bei mir"
type: MusicRecording
duration: PT8M25S
duration ms: 505066
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Klaus Mertens
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1411825b0d77ebbecc47a75d8e9a9d1c8cf1529c8651ef33ee49e51e311d420
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907800
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1411825b0d77ebbecc47a75d8e9a9d1c8cf1529c8651ef33ee49e51e311d420. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907800 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 29, Aria. "Mein Tröster ist nicht mehr bei mir"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.409
  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: 0.17
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.213
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.172
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 36d, Aria. "Zerschmettert mich"
type: MusicRecording
duration: PT5M0S
duration ms: 300493
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Paul Agnew
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:08:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04d9cfe282cca7c10291a5a92aad63b4faee83980cf2f4e8ce45307892e9cc78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907920
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d9cfe282cca7c10291a5a92aad63b4faee83980cf2f4e8ce45307892e9cc78. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907920 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 36d, Aria. "Zerschmettert mich"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.006
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.215
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.423
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 39a, Aria. "Angenehmes Mordgeschrei!"
type: MusicRecording
duration: PT5M2S
duration ms: 302066
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Bernhard Landauer
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Arias
  type: MusicAlbum
  date published: 2024-04-04
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907970
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:36:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdf39ddddadd3e35f1ced589f0814897be4563dc5123a17dadba9dded9f92faf4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907970
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf39ddddadd3e35f1ced589f0814897be4563dc5123a17dadba9dded9f92faf4. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907970 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 39a, Aria. "Angenehmes Mordgeschrei!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.801
  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: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.526
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.468
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.349
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach: Passionen - Chormusik
type: MusicAlbum
date published: 2024-03-20
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 1, Chor. "Herr, unser Herrscher"
  type: MusicRecording
  duration: PT9M47S
  duration ms: 587800
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: De Nederlandse Bachvereniging
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Chormusik
    type: MusicAlbum
    date published: 2024-03-20
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209311501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T14:52:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb4e4fdce2a0b5135469032cf3bd49e9eac3bbfb5a182867bb2000fed4abf5237
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957061
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957061
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T16:07:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e4fdce2a0b5135469032cf3bd49e9eac3bbfb5a182867bb2000fed4abf5237. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311501 — a six-check JSON result.
    date published: 2026-07-07T16:07:00Z
  audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 1, Chor. "Herr, unser Herrscher"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.757
    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: 0.07
    additional property: Energy
      type: PropertyValue
      value: 0.164
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.963
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.958
    additional property: Liveness
      type: PropertyValue
      value: 0.153
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.09
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.822
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 3, Choral. "O grosse Lieb"
  type: MusicRecording
  duration: PT0M47S
  duration ms: 47760
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: De Nederlandse Bachvereniging
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Chormusik
    type: MusicAlbum
    date published: 2024-03-20
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209311507
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T08:12:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x15b25c708195e4f088458d6f66c5153d0ffc8b3003a72d60d1996a2b534cae5e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960229
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960229
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311507
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T08:30:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b25c708195e4f088458d6f66c5153d0ffc8b3003a72d60d1996a2b534cae5e. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311507 — a six-check JSON result.
    date published: 2026-07-30T08:30:10Z
  audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 3, Choral. "O grosse Lieb"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.161
    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: 0.229
    additional property: Energy
      type: PropertyValue
      value: 0.09
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.985
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.898
    additional property: Liveness
      type: PropertyValue
      value: 0.162
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.128
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.311
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 5, Choral. "Dein Will' gescheh"
  type: MusicRecording
  duration: PT0M47S
  duration ms: 47760
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Ton Koopman
  by artist: De Nederlandse Bachvereniging
  by artist: Amsterdam Baroque Orchestra
  in album: Bach: Passionen - Chormusik
    type: MusicAlbum
    date published: 2024-03-20
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: FRZ209311509
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 5, Choral. "Dein Will' gescheh"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 11, Choral. "Wer hat dich so geschlagen"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 14, Choral. "Petrus, der nicht denkt zurück"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 15, Choral. "Christus, der uns selig macht"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 17, Choral. "Ach grosser König"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 22, Choral. "Durch dein Gefängnis, Gottes Sohn"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 26, Choral. "In meines Herzens Grunde"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 27b, Chor. "Lasset uns den nicht zerteilen"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 37, Choral. "O hilf, Christe, Gottes sohn"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 39, Chor. "Ruht wohl, ihr heiligen Gebeine"
track: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 40, Choral. "Ach Herr, lass dein lieb Engelein"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 3, Choral. "Herzliebster Jesu, was hast du verbrochen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 10, Choral. "Ich bin's, ich sollte büssen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 15, Choral. "Erkenne mich, mein Hüter"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 17, Choral. "Ich will hier bei dir stehen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 25, Choral. "Was mein Gott will, das g'scheh allzeit"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 29, Choral. "O Mensch, bewein' dein' Sünde gross"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 32, Choral. "Mir hat die Welt trüglich gericht'"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 37, Choral. "Wer hat dich so geschlagen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 40, Choral. "Bin ich gleich von dir gewichen"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 44, Choral. "Befiehl du deine Wege"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 46, Choral. "Wie wunderbarlich ist doch diese Strafe"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 54, Choral. "O Haupt voll Blut und wunden"
track: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 68, Chor. "Wir setzen uns mit Tränen nieder"
track: Bach, JS: Markus-Passion, BWV 247: No. 1, Chor. "Geh, Jesu, geh zu deiner Pein!"
track: Bach, JS: Markus-Passion, BWV 247: No. 3, Chor. "Ja nicht auf das Fest"
track: Bach, JS: Markus-Passion, BWV 247: No. 5, Chor. "Was soll doch dieser Unrath?"
track: Bach, JS: Markus-Passion, BWV 247: No. 11, Chor. "Wo willst du, dass wir hingehen"
track: Bach, JS: Markus-Passion, BWV 247: No. 13, Choral. "Ich, ich und meine Sünden"
track: Bach, JS: Markus-Passion, BWV 247: No. 17, Choral. "Wach auf, o Mensch"
track: Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut"
track: Bach, JS: Markus-Passion, BWV 247: No. 28, Choral. "Ich will hier bei dir stehen"
track: Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft"
track: Bach, JS: Markus-Passion, BWV 247: No. 33, Choral. "Befiehl du deine Wege"
track: Bach, JS: Markus-Passion, BWV 247: No. 35, Choral. "Du edles Angesichte"
track: Bach, JS: Markus-Passion, BWV 247: No. 43b, Chor. "Pfui dich"
track: Bach, JS: Markus-Passion, BWV 247: No. 50, Chor. "Bei deinem Grab"

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-29T22:19:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2f180e1426b8e5d37f2f7c3ec6f10ce75acf7364db687d20eedf2286493c37eb

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960160

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960160

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311509

OTSTimestamp
type: PropertyValue
value: 2026-07-29T22:48:59Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f180e1426b8e5d37f2f7c3ec6f10ce75acf7364db687d20eedf2286493c37eb. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311509 — a six-check JSON result.
date published: 2026-07-29T22:48:59Z

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 5, Choral. "Dein Will' gescheh"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 97.01
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.239
additional property: Energy
  type: PropertyValue
  value: 0.091
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.98
additional property: Instrumentalness
  type: PropertyValue
  value: 0.973
additional property: Liveness
  type: PropertyValue
  value: 0.151
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.426
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.377
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 11, Choral. "Wer hat dich so geschlagen"
type: MusicRecording
duration: PT1M31S
duration ms: 91026
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x325a9639e166baa4c746ea618befaa6a4ba005067b710e282f1c73d6ed1db24b
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x325a9639e166baa4c746ea618befaa6a4ba005067b710e282f1c73d6ed1db24b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311515 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 11, Choral. "Wer hat dich so geschlagen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.43
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.248
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 14, Choral. "Petrus, der nicht denkt zurück"
type: MusicRecording
duration: PT1M4S
duration ms: 64266
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb763fee8f739eb2eda9bf06cc0086ba4689aa4f9efddc96c2537df255fcbdcd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb763fee8f739eb2eda9bf06cc0086ba4689aa4f9efddc96c2537df255fcbdcd. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311520 — a six-check JSON result.
  date published: 2026-07-30T10:42:33Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 1: No. 14, Choral. "Petrus, der nicht denkt zurück"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.705
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.093
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.908
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.573
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 15, Choral. "Christus, der uns selig macht"
type: MusicRecording
duration: PT1M5S
duration ms: 65293
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab793072ef5bc74ed2c96f6ae823b1279e386dd65d970105c177a8bf476c6238
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab793072ef5bc74ed2c96f6ae823b1279e386dd65d970105c177a8bf476c6238. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311521 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 15, Choral. "Christus, der uns selig macht"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.256
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.988
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.347
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.108
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 17, Choral. "Ach grosser König"
type: MusicRecording
duration: PT1M25S
duration ms: 85093
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6e73e84b6e6758342fa918fd40d79dbf73f2fdae1319f30227925f68502e7fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6e73e84b6e6758342fa918fd40d79dbf73f2fdae1319f30227925f68502e7fe. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311527 — a six-check JSON result.
  date published: 2026-07-30T14:44:50Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 17, Choral. "Ach grosser König"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.772
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.569
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.576
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 22, Choral. "Durch dein Gefängnis, Gottes Sohn"
type: MusicRecording
duration: PT0M58S
duration ms: 58240
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311540
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:07:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30b1bd5f750a63e8174b39503a6b3f75c966cf8c2c9b796f40da771b1d9712c7
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/FRZ209311540
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b1bd5f750a63e8174b39503a6b3f75c966cf8c2c9b796f40da771b1d9712c7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311540 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 22, Choral. "Durch dein Gefängnis, Gottes Sohn"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.605
  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: 0.183
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.706
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.392
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 26, Choral. "In meines Herzens Grunde"
type: MusicRecording
duration: PT0M51S
duration ms: 51640
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T06:10:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1332787304e8e453540cc808ab27ef2a858825a25d18ec21ba79ed10904a42d4
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/FRZ209311552
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1332787304e8e453540cc808ab27ef2a858825a25d18ec21ba79ed10904a42d4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311552 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 26, Choral. "In meines Herzens Grunde"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.683
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.95
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.882
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 27b, Chor. "Lasset uns den nicht zerteilen"
type: MusicRecording
duration: PT1M19S
duration ms: 79333
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5f9898dc5293663a32e5c1d830a0c992caed765b25b7c1564fb40d94bff88a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311554
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f9898dc5293663a32e5c1d830a0c992caed765b25b7c1564fb40d94bff88a2. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311554 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 27b, Chor. "Lasset uns den nicht zerteilen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.026
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.969
  additional property: Liveness
    type: PropertyValue
    value: 0.395
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.716
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.648
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 37, Choral. "O hilf, Christe, Gottes sohn"
type: MusicRecording
duration: PT0M58S
duration ms: 58800
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71275dfe25ad1a5c4c2d5ce860075a51ab2580ec6dbdbf532f9ea1a3c2870d2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960354
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960354
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311565
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71275dfe25ad1a5c4c2d5ce860075a51ab2580ec6dbdbf532f9ea1a3c2870d2f. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311565 — a six-check JSON result.
  date published: 2026-07-31T05:48:18Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 37, Choral. "O hilf, Christe, Gottes sohn"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.466
  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: 0.135
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.871
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.026
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 39, Chor. "Ruht wohl, ihr heiligen Gebeine"
type: MusicRecording
duration: PT7M29S
duration ms: 449000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:05:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb6879244b15d5c204de99c4286c3829bc7bebe275ccb25454ccc5e29e3f9c8c
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/FRZ209311567
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb6879244b15d5c204de99c4286c3829bc7bebe275ccb25454ccc5e29e3f9c8c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311567 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 39, Chor. "Ruht wohl, ihr heiligen Gebeine"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.778
  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: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.065
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.484
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.052
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 40, Choral. "Ach Herr, lass dein lieb Engelein"
type: MusicRecording
duration: PT1M51S
duration ms: 111106
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209311568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9bc52ef19575f3015c2e16509561871202409443aa53e63ee2edb1de20fce925
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311568
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc52ef19575f3015c2e16509561871202409443aa53e63ee2edb1de20fce925. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209311568 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: Bach, JS: Johannes-Passion, BWV 245, Pt. 2: No. 40, Choral. "Ach Herr, lass dein lieb Engelein"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.59
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.453
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.225
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen"
type: MusicRecording
duration: PT7M24S
duration ms: 444333
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68ba6a647be877cfe0e5050faa8d4102b0c2add718a9841c6a9933b5c55cde4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960296
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960296
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:11:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ba6a647be877cfe0e5050faa8d4102b0c2add718a9841c6a9933b5c55cde4b. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202303 — a six-check JSON result.
  date published: 2026-07-30T19:11:09Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chor. "Kommt, ihr Töchter helft mir klagen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.05
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.95
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.084
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 3, Choral. "Herzliebster Jesu, was hast du verbrochen"
type: MusicRecording
duration: PT0M49S
duration ms: 49666
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T20:05:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x383d17f4a4b2d1c46b224b2418ac76d12a9a43c381831efe13c835a744ab2889
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/FRZ209202305
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x383d17f4a4b2d1c46b224b2418ac76d12a9a43c381831efe13c835a744ab2889. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202305 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 3, Choral. "Herzliebster Jesu, was hast du verbrochen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.766
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.955
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.76
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 10, Choral. "Ich bin's, ich sollte büssen"
type: MusicRecording
duration: PT0M52S
duration ms: 52240
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T00:46:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ecc193d7d275a9f072d19cb1ed0d2c6d2b4788f4da325a1344d4a07789349d1
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/FRZ209202320
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ecc193d7d275a9f072d19cb1ed0d2c6d2b4788f4da325a1344d4a07789349d1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202320 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 10, Choral. "Ich bin's, ich sollte büssen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.383
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.793
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 15, Choral. "Erkenne mich, mein Hüter"
type: MusicRecording
duration: PT0M59S
duration ms: 59360
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202325
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:26:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf03b4b97c4b81317f7c8fcc96bf26f0fce72e92b08b4fd2807b06cd8d3000ede
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202325
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf03b4b97c4b81317f7c8fcc96bf26f0fce72e92b08b4fd2807b06cd8d3000ede. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202325 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 15, Choral. "Erkenne mich, mein Hüter"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.617
  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: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.185
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.645
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 17, Choral. "Ich will hier bei dir stehen"
type: MusicRecording
duration: PT1M4S
duration ms: 64160
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202327
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:28:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbe60f00a8351a6ba13e1d85766255b9e9a6a2cde3bf5ec10d2b086de316c612
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe60f00a8351a6ba13e1d85766255b9e9a6a2cde3bf5ec10d2b086de316c612. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202327 — a six-check JSON result.
  date published: 2026-07-30T14:44:50Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 17, Choral. "Ich will hier bei dir stehen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.042
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.13
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.912
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.267
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.59
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 25, Choral. "Was mein Gott will, das g'scheh allzeit"
type: MusicRecording
duration: PT0M56S
duration ms: 56426
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202335
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:00:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e1614c153abaf53534f6c0fd147bbd21efadd879c90ba023ab551a34f2835c5
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/FRZ209202335
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1614c153abaf53534f6c0fd147bbd21efadd879c90ba023ab551a34f2835c5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202335 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 25, Choral. "Was mein Gott will, das g'scheh allzeit"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.118
  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: 0.188
  additional property: Energy
    type: PropertyValue
    value: 0.147
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.967
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.35
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.027
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 29, Choral. "O Mensch, bewein' dein' Sünde gross"
type: MusicRecording
duration: PT6M3S
duration ms: 363000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:24:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93908bf4b0ef5b161f5f0e317456c27bdc2e3e01b4289b2ba1f7d1cb824e0836
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/FRZ209202340
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93908bf4b0ef5b161f5f0e317456c27bdc2e3e01b4289b2ba1f7d1cb824e0836. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202340 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 1: No. 29, Choral. "O Mensch, bewein' dein' Sünde gross"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.088
  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: 0.266
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.601
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.151
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.577
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 32, Choral. "Mir hat die Welt trüglich gericht'"
type: MusicRecording
duration: PT0M38S
duration ms: 38026
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202343
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:36:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0235fc9d81580fd6ece784d4d1743398d0aa71a006ee0566f258b396756c458
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/FRZ209202343
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0235fc9d81580fd6ece784d4d1743398d0aa71a006ee0566f258b396756c458. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202343 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 32, Choral. "Mir hat die Welt trüglich gericht'"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.465
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.156
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.777
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.247
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 37, Choral. "Wer hat dich so geschlagen"
type: MusicRecording
duration: PT0M53S
duration ms: 53666
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202351
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:47:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2236c3a576d65b8adc0e68dc2961adfe0a6c89c6c8788fe5a1a439b169551594
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/FRZ209202351
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2236c3a576d65b8adc0e68dc2961adfe0a6c89c6c8788fe5a1a439b169551594. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202351 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 37, Choral. "Wer hat dich so geschlagen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.621
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.162
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.252
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.113
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 40, Choral. "Bin ich gleich von dir gewichen"
type: MusicRecording
duration: PT0M55S
duration ms: 55000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202355
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:48:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b8750851535fcd15ff9cecd62cca2b8f59022e60e13b73c1987946e2b574dd2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202355
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8750851535fcd15ff9cecd62cca2b8f59022e60e13b73c1987946e2b574dd2. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202355 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 40, Choral. "Bin ich gleich von dir gewichen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.372
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.723
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.25
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.49
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 44, Choral. "Befiehl du deine Wege"
type: MusicRecording
duration: PT0M59S
duration ms: 59733
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202361
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:54:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1d2fcc476c98f0e908dc7b0cfd0c31dcab378f13f5a8d8cadefdc6c2f3416ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202361
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d2fcc476c98f0e908dc7b0cfd0c31dcab378f13f5a8d8cadefdc6c2f3416ea. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202361 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 44, Choral. "Befiehl du deine Wege"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.417
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.14
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.004
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 46, Choral. "Wie wunderbarlich ist doch diese Strafe"
type: MusicRecording
duration: PT0M49S
duration ms: 49906
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202364
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T04:48:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc14383217d6a121d3d5ef41aed42b47bbf96d194ecd9dd46fc61d8b68b9377d6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202364
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14383217d6a121d3d5ef41aed42b47bbf96d194ecd9dd46fc61d8b68b9377d6. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202364 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 46, Choral. "Wie wunderbarlich ist doch diese Strafe"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.476
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.208
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.797
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.457
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 54, Choral. "O Haupt voll Blut und wunden"
type: MusicRecording
duration: PT2M12S
duration ms: 132866
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209202302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:49:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5beb828580dcdf290546517dba6eb18f33b509a4c39e8956dd793f7b5c7fbd63
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/FRZ209202302
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beb828580dcdf290546517dba6eb18f33b509a4c39e8956dd793f7b5c7fbd63. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209202302 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 54, Choral. "O Haupt voll Blut und wunden"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.961
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.141
  additional property: Energy
    type: PropertyValue
    value: 0.115
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.124
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.894
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 68, Chor. "Wir setzen uns mit Tränen nieder"
type: MusicRecording
duration: PT6M3S
duration ms: 363000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: De Nederlandse Bachvereniging
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209208836
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc25158788a913299c3c6cc4b55157b37284ea730fc09e7b1e920dbcfc366057d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208836
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25158788a913299c3c6cc4b55157b37284ea730fc09e7b1e920dbcfc366057d. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209208836 — a six-check JSON result.
  date published: 2026-07-31T09:50:11Z
audio: Bach, JS: Matthäus-Passion, BWV 244, Pt. 2: No. 68, Chor. "Wir setzen uns mit Tränen nieder"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.386
  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: 0.081
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.964
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.992
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 1, Chor. "Geh, Jesu, geh zu deiner Pein!"
type: MusicRecording
duration: PT5M23S
duration ms: 323306
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:44:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1821cd5f78b382f337a603cd8d893bcf374d98ba6cc38becf11a53d34f93c36
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/FRZ209907510
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1821cd5f78b382f337a603cd8d893bcf374d98ba6cc38becf11a53d34f93c36. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907510 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 1, Chor. "Geh, Jesu, geh zu deiner Pein!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.583
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.176
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.761
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.217
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 3, Chor. "Ja nicht auf das Fest"
type: MusicRecording
duration: PT0M44S
duration ms: 44200
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe070cd3646c00bbb3509025ebbdc6deb1a86b91a3a2426e9f38a74f3b7d04132
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960354
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960354
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe070cd3646c00bbb3509025ebbdc6deb1a86b91a3a2426e9f38a74f3b7d04132. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907530 — a six-check JSON result.
  date published: 2026-07-31T05:48:18Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 3, Chor. "Ja nicht auf das Fest"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.311
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.558
  additional property: Energy
    type: PropertyValue
    value: 0.293
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.86
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.638
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 5, Chor. "Was soll doch dieser Unrath?"
type: MusicRecording
duration: PT0M54S
duration ms: 54080
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51803928e2d6cd18ec59d4fbde7f3d4b6a491975a1c755330f921ce14ec59241
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907550
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51803928e2d6cd18ec59d4fbde7f3d4b6a491975a1c755330f921ce14ec59241. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907550 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 5, Chor. "Was soll doch dieser Unrath?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.46
  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: 0.427
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.29
  additional property: Liveness
    type: PropertyValue
    value: 0.416
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.843
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.89
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 11, Chor. "Wo willst du, dass wir hingehen"
type: MusicRecording
duration: PT1M45S
duration ms: 105426
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x937c1c16b04a4abf0bfcf1f57648e0685eec97f032efac814c805a21f127c66b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937c1c16b04a4abf0bfcf1f57648e0685eec97f032efac814c805a21f127c66b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907610 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 11, Chor. "Wo willst du, dass wir hingehen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.033
  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: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.266
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.087
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.677
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.24
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 13, Choral. "Ich, ich und meine Sünden"
type: MusicRecording
duration: PT0M48S
duration ms: 48453
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcadc1c652e13791f1d2b25c939ec4fb2aa94c5ce2c3dcddee6c34738fff8d565
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcadc1c652e13791f1d2b25c939ec4fb2aa94c5ce2c3dcddee6c34738fff8d565. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907630 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 13, Choral. "Ich, ich und meine Sünden"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.295
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.035
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.256
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.142
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 17, Choral. "Wach auf, o Mensch"
type: MusicRecording
duration: PT0M53S
duration ms: 53106
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907670
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T04:04:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7206900b49ca8185204cc32928f8319b2ba622c05f10d7123ab4440d59b640f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907670
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7206900b49ca8185204cc32928f8319b2ba622c05f10d7123ab4440d59b640f. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907670 — a six-check JSON result.
  date published: 2026-07-31T04:14:58Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 17, Choral. "Wach auf, o Mensch"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.333
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.454
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.323
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.905
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut"
type: MusicRecording
duration: PT0M54S
duration ms: 54666
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907690
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:40:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeff4fdda05f08d7b8e68ca67effb23ca89582ee8069c68cb1087555c301b3035
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/FRZ209907690
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff4fdda05f08d7b8e68ca67effb23ca89582ee8069c68cb1087555c301b3035. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907690 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 19, Choral. "Betrübtes Hertz sei wohlgemut"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.928
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.253
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.962
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.445
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.523
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 28, Choral. "Ich will hier bei dir stehen"
type: MusicRecording
duration: PT5M42S
duration ms: 342426
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:16:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70c063c502d862483df0b96d2504955995e66ed90fd508ed68de688a5827ade0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907790
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c063c502d862483df0b96d2504955995e66ed90fd508ed68de688a5827ade0. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907790 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 28, Choral. "Ich will hier bei dir stehen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.153
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.119
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.972
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft"
type: MusicRecording
duration: PT0M46S
duration ms: 46666
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:46:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc38876bf54dbfda4d43a72c4df729b96070a16ffd9abb2b0819354d7285ac8f8
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/FRZ209907820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38876bf54dbfda4d43a72c4df729b96070a16ffd9abb2b0819354d7285ac8f8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907820 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 31, Choral. "Was Menschenkraft"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.269
  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: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.835
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.486
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.696
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 33, Choral. "Befiehl du deine Wege"
type: MusicRecording
duration: PT1M9S
duration ms: 69773
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907840
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:29:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x212453b86601b1a49a26afbf471710d46a16562d4409d56ecd6664f72b49bd0c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907840
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212453b86601b1a49a26afbf471710d46a16562d4409d56ecd6664f72b49bd0c. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907840 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 33, Choral. "Befiehl du deine Wege"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.322
  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: 0.198
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.167
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.28
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 35, Choral. "Du edles Angesichte"
type: MusicRecording
duration: PT1M10S
duration ms: 70000
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209907880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:52:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c9d7beb014e5b0be534d67d9bf2d83dcf5498837df2823022e12bbe82c698ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960314
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960314
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907880
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:00:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9d7beb014e5b0be534d67d9bf2d83dcf5498837df2823022e12bbe82c698ea. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209907880 — a six-check JSON result.
  date published: 2026-07-30T21:00:46Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 35, Choral. "Du edles Angesichte"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.615
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Markus-Passion, BWV 247: No. 43b, Chor. "Pfui dich"
type: MusicRecording
duration: PT2M7S
duration ms: 127640
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209908050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:42:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72ffe0445c19c9ddeeb99a699b02164dd5784d09dbb56c18199be248922c42cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72ffe0445c19c9ddeeb99a699b02164dd5784d09dbb56c18199be248922c42cb. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908050 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 43b, Chor. "Pfui dich"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.029
  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: 0.435
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.162
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.445
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.832
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Markus-Passion, BWV 247: No. 50, Chor. "Bei deinem Grab"
type: MusicRecording
duration: PT6M21S
duration ms: 381146
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
by artist: Amsterdam Baroque Choir
by artist: Sacramentskoor Breda
by artist: Amsterdam Baroque Orchestra
in album: Bach: Passionen - Chormusik
  type: MusicAlbum
  date published: 2024-03-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: FRZ209908170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:02:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78a9f13adcc781173ec23de76b705e4f4b09b9c1e64c4b6d5bdf4512c2c48cc9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908170
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78a9f13adcc781173ec23de76b705e4f4b09b9c1e64c4b6d5bdf4512c2c48cc9. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908170 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Bach, JS: Markus-Passion, BWV 247: No. 50, Chor. "Bei deinem Grab"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.558
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.082
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.911
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Johann Sebastian Bach; Geistliche Lieder
type: MusicAlbum
date published: 2023-10-20
track: Herr Gott, nun schleuß den Himmel auf BWV 1092
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141693
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Klaus Mertens
  by artist: Ton Koopman
  in album: Johann Sebastian Bach; Geistliche Lieder
    type: MusicAlbum
    date published: 2023-10-20
  popularity: 2
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: NLK172300001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:31:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeba3723cbc2a7dfb176991c1deeba324b71d8e9f1884b6d398195765c633f086
  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/NLK172300001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba3723cbc2a7dfb176991c1deeba324b71d8e9f1884b6d398195765c633f086. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK172300001 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Herr Gott, nun schleuß den Himmel auf BWV 1092
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.314
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.193
    additional property: Energy
      type: PropertyValue
      value: 0.031
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.924
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.059
    additional property: Liveness
      type: PropertyValue
      value: 0.152
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.377
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.314
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Jesu, Jesu, du bist mein BWV 470
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184586
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Klaus Mertens
  by artist: Ton Koopman
  in album: Johann Sebastian Bach; Geistliche Lieder
    type: MusicAlbum
    date published: 2023-10-20
  popularity: 1
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: NLK172300002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:15:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbca321e8efa8aec02ebf6d55993483e256582568242c634cbaefbb6ad998d23e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK172300002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T12:24:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbca321e8efa8aec02ebf6d55993483e256582568242c634cbaefbb6ad998d23e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK172300002 — a six-check JSON result.
    date published: 2026-07-31T12:24:41Z
  audio: Jesu, Jesu, du bist mein BWV 470
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.036
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.332
    additional property: Energy
      type: PropertyValue
      value: 0.031
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.985
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.113
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.644
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Vergiß mein nicht BWV 505
  type: MusicRecording
  duration: PT1M39S
  duration ms: 99960
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Klaus Mertens
  by artist: Ton Koopman
  in album: Johann Sebastian Bach; Geistliche Lieder
    type: MusicAlbum
    date published: 2023-10-20
  popularity: 0
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: NLK172300026
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Vergiß mein nicht BWV 505
track: Komm, süßer Tod BWV 478

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T19:00:18+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x2b3fe23856d462983940b13d4dd2107d1001eb73f89c978cfee78dcfbcbcd80e

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960455

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960455

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK172300026

OTSTimestamp
type: PropertyValue
value: 2026-07-31T19:53:13Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3fe23856d462983940b13d4dd2107d1001eb73f89c978cfee78dcfbcbcd80e. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK172300026 — a six-check JSON result.
date published: 2026-07-31T19:53:13Z

Vergiß mein nicht BWV 505
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.303
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: 0.344
additional property: Energy
  type: PropertyValue
  value: 0.04
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.988
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.362
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.239
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Komm, süßer Tod BWV 478
type: MusicRecording
duration: PT2M57S
duration ms: 177813
explicit: false
by artist: Johann Sebastian Bach
by artist: Klaus Mertens
by artist: Ton Koopman
in album: Johann Sebastian Bach; Geistliche Lieder
  type: MusicAlbum
  date published: 2023-10-20
popularity: 1
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: NLK172300028
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:37:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x703ac777a2b8ac22ce8ad4954818c8ee0d197e4288347a8a4fdfeed2280b22ee
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/NLK172300028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Komm, süßer Tod BWV 478
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Five Great Suites for Harpsichord (London, 1720)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T21:35:24Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Bach, JS: Organ Concerto No. 1 in G Major, BWV 592: III. Presto (After Johann Ernst of Saxe-Weimar's Violin Concerto in G)
track: Bach, JS: Fantasia and Imitation in B Minor, BWV 563
track: Bach, JS: Prelude and Fugue in A Minor, BWV 551: Prelude
track: Bach, JS: Prelude and Fugue in A Minor, BWV 551: Fugue
track: Bach, JS: Organ Concerto No. 4 in C Major, BWV 595 (After Johann Ernst of Saxe-Weimar's Violin Concerto in C)
track: Bach, JS: Fugue on a Theme by Legrenzi in C Minor, BWV 574
track: Bach, JS: Fugue in G Major, BWV 576
track: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: I. — & II. Grave (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
track: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: III. Fuga (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
track: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: IV. Largo e spiccato (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
track: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: V. — (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
track: Bach, JS: Fugue on a Theme by Corelli in B Minor, BWV 579
track: Bach, JS: Prelude and Fugue in A Major, BWV 536: Prelude
track: Bach, JS: Prelude and Fugue in A Major, BWV 536: Fugue
track: Bach, JS: Fantasia in C Minor, BWV 1121
track: Bach, JS: Organ Concerto No. 6 in E-Flat Major, BWV 597: I. —
track: Bach, JS: Organ Concerto No. 6 in E-Flat Major, BWV 597: II. Gigue
track: Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: I. — (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)
track: Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: II. Adagio (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)
track: Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: III. Allegro (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)

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date published: 2026-07-30T00:39:11Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809930802
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6426fccebdd9f94ff352257332ac92e0db3ec81179fdaf87fdb724446741a04. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809930802 — a six-check JSON result.
  date published: 2026-07-31T05:23:41Z
audio: Bach, JS: Prelude and Fugue in A Minor, BWV 551: Fugue
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Bach, JS: Organ Concerto No. 4 in C Major, BWV 595 (After Johann Ernst of Saxe-Weimar's Violin Concerto in C)
type: MusicRecording
duration: PT3M45S
duration ms: 225066
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809930900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEA809930900
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe95cbc37c4e3c0a4bec0d30c76a845e4eb9e72beb10f443296441808f3329077. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809930900 — a six-check JSON result.
  date published: 2026-07-30T15:42:38Z
audio: Bach, JS: Organ Concerto No. 4 in C Major, BWV 595 (After Johann Ernst of Saxe-Weimar's Violin Concerto in C)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Valence (Positivity)
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Bach, JS: Fugue on a Theme by Legrenzi in C Minor, BWV 574
type: MusicRecording
duration: PT7M45S
duration ms: 465333
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/DEA809931000
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e8b55240521c007cd2c06e689bd1fd8e04948dba2d274f6dd7a7fcf073db31. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931000 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Fugue on a Theme by Legrenzi in C Minor, BWV 574
  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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    type: PropertyValue
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Bach, JS: Fugue in G Major, BWV 576
type: MusicRecording
duration: PT4M5S
duration ms: 245506
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931100
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a49fa29991c48032afc186b1f91877b58dee41cd22ad4cbc3395bdfaa2e30b1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931100 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Fugue in G Major, BWV 576
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Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: I. — & II. Grave (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
type: MusicRecording
duration: PT1M29S
duration ms: 89760
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931201
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28dbc35a40065bd7a8a69806f72251d442afa1b7e1a0163570dfa7cfae604b0d. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931201 — a six-check JSON result.
  date published: 2026-07-30T01:32:48Z
audio: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: I. — & II. Grave (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
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Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: III. Fuga (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
type: MusicRecording
duration: PT3M18S
duration ms: 198573
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87dddf9b00e5b5b827aa50b57f4e49f38362b3541a12797d8c2d4f8d54caa4f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931202 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: III. Fuga (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
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  additional property: Tempo (BPM)
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Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: IV. Largo e spiccato (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
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duration: PT2M58S
duration ms: 178226
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd364ecf1893c7e8334dc04e3ca19096d735326aa92fd716f9389a6017e460e5. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931203 — a six-check JSON result.
  date published: 2026-07-30T19:26:00Z
audio: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: IV. Largo e spiccato (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.415
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.136
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.773
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.062
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: V. — (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
type: MusicRecording
duration: PT3M5S
duration ms: 185573
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T04:45:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4686b31275191d4eec897670db5f721147c791ef1825908909513f123aa2ea6a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931204
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4686b31275191d4eec897670db5f721147c791ef1825908909513f123aa2ea6a. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931204 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Bach, JS: Organ Concerto No. 5 in D Minor, BWV 596: V. — (After Vivaldi's Concerto for Two Violins, Op. 3 No. 11, RV 565)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.27
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.219
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.75
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.974
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.306
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.221
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Fugue on a Theme by Corelli in B Minor, BWV 579
type: MusicRecording
duration: PT5M58S
duration ms: 358293
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T01:11:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x758b340e161f0a289d28899461e0f22c7cdd3c806ff74b4259c00c752974a874
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758b340e161f0a289d28899461e0f22c7cdd3c806ff74b4259c00c752974a874. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931300 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: Bach, JS: Fugue on a Theme by Corelli in B Minor, BWV 579
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.553
  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: 0.067
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.948
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.581
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Prelude and Fugue in A Major, BWV 536: Prelude
type: MusicRecording
duration: PT1M29S
duration ms: 89733
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:25:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd29baab7788ad98cf23c435a7f24b64def659d70849ed0f79c53b94267c9c09f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931401
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29baab7788ad98cf23c435a7f24b64def659d70849ed0f79c53b94267c9c09f. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931401 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Bach, JS: Prelude and Fugue in A Major, BWV 536: Prelude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.016
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.342
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.053
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.252
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.278
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Prelude and Fugue in A Major, BWV 536: Fugue
type: MusicRecording
duration: PT4M30S
duration ms: 270573
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:24:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea4b9ae4c96643bec8b6050b199c49057c6673ee8d03cc2127804d6425aa8218
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4b9ae4c96643bec8b6050b199c49057c6673ee8d03cc2127804d6425aa8218. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931402 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: Bach, JS: Prelude and Fugue in A Major, BWV 536: Fugue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.29
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.213
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.84
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.293
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.683
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bach, JS: Fantasia in C Minor, BWV 1121
type: MusicRecording
duration: PT2M58S
duration ms: 178893
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931500
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T01:48:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f710252b3140524b1634f651bbd88de4e4a5409c2b5004bdc72ba160e88c2f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960497
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960497
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T02:22:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f710252b3140524b1634f651bbd88de4e4a5409c2b5004bdc72ba160e88c2f8. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931500 — a six-check JSON result.
  date published: 2026-08-01T02:22:04Z
audio: Bach, JS: Fantasia in C Minor, BWV 1121
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.493
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.066
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.27
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bach, JS: Organ Concerto No. 6 in E-Flat Major, BWV 597: I. —
type: MusicRecording
duration: PT3M35S
duration ms: 215706
explicit: false
by artist: Johann Sebastian Bach
by artist: Ton Koopman
in album: Bach: Organ Works, Vol. 12 (At the Organ of Martin’s Church in Groningen)
  type: MusicAlbum
  date published: 2022-06-03
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEA809931601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:00:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1a71ee6ca4517f75af4d54f31f653464c2ca9095162a57e7dfa547caf82be99
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/DEA809931601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1a71ee6ca4517f75af4d54f31f653464c2ca9095162a57e7dfa547caf82be99. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809931601 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Organ Concerto No. 6 in E-Flat Major, BWV 597: I. —
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.872
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.173
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
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Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: I. — (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)
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Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: II. Adagio (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)
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Bach, JS: Organ Concerto No. 2 in A Minor, BWV 593: III. Allegro (After Vivaldi's Concerto for Two Violins, Op. 3 No. 8, RV 522)
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