Lucia Swarts
type: MusicGroup
genre: taiwanese pop
popularity: 11
followers: 846
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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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album: Arias for Soprano and Oboe from Cantatas by J.S. Bach
  type: MusicAlbum
  date published: 1998-01-01
album: The Italian Origins of the Violoncello
  type: MusicAlbum
  date published: 2016-01-15
album: Italian concertos & sonatas
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  date published: 2011-04-25
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    by artist: Teatro Lirico
    by artist: Lucia Swarts
    by artist: Stephen Stubbs
    in album: Italian concertos & sonatas
      type: MusicAlbum
      date published: 2011-04-25
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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: 2026-07-31T02:19:15Z
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  track: Sonata no. 3 (G. 5) in G major for violoncello and continuo: Allegro alla Militaire
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    by artist: Lucia Swarts
    by artist: Stephen Stubbs
    in album: Italian concertos & sonatas
      type: MusicAlbum
      date published: 2011-04-25
    popularity: 1
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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
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      date published: 2026-07-08T03:20:19Z
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  track: Concerto for violoncello and strings in C major: Largo
  track: Sonata no. 3 (G. 5) in G major for violoncello and continuo: Largo
  track: Concerto for violoncello and strings in C major: Presto
  track: Sonata no. 3 (G. 5) in G major for violoncello and continuo: Menuetto
  track: Concerto for violoncello and strings in d minor: Amoroso
track: Ich bin vergnügt mit meinem Glücke BWV 84: Ich bin vergnügt mit meinem Glücke
track: Liebster Jesu, mein Verlangen BWV 32: Liebster Jesu, mein Verlangen
track: Ich hatte viel Bekümmernis BWV 21: Seufzer, Tränen, Kummer, Not
track: Wer nur den lieben Gott läßt walten BWV 93: Ich will auf den Herren schaun
track: Wer mich liebet, der wird mein Wort halten BWV 74: Komm, komm, mein Herze steht dir offen

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Valence (Positivity)
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Loudness (dB)
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Key Name
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Concerto for violoncello and strings in C major: Largo
type: MusicRecording
duration: PT1M49S
duration ms: 109040
explicit: false
by artist: Giovanni Benedetto Platti
by artist: Teatro Lirico
by artist: Lucia Swarts
by artist: Stephen Stubbs
in album: Italian concertos & sonatas
  type: MusicAlbum
  date published: 2011-04-25
popularity: 2
isrc code: NLB159800368
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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: Concerto for violoncello and strings in C major: Largo
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Sonata no. 3 (G. 5) in G major for violoncello and continuo: Largo
type: MusicRecording
duration: PT3M31S
duration ms: 211293
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by artist: Luigi Boccherini
by artist: Teatro Lirico
by artist: Lucia Swarts
by artist: Stephen Stubbs
in album: Italian concertos & sonatas
  type: MusicAlbum
  date published: 2011-04-25
popularity: 1
genre: classical
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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
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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: 2026-07-31T05:17:02Z
audio: Sonata no. 3 (G. 5) in G major for violoncello and continuo: Largo
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Concerto for violoncello and strings in C major: Presto
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by artist: Teatro Lirico
by artist: Lucia Swarts
by artist: Stephen Stubbs
in album: Italian concertos & sonatas
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  date published: 2011-04-25
popularity: 2
isrc code: NLB159800369
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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: Concerto for violoncello and strings in C major: Presto
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Sonata no. 3 (G. 5) in G major for violoncello and continuo: Menuetto
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by artist: Teatro Lirico
by artist: Lucia Swarts
by artist: Stephen Stubbs
in album: Italian concertos & sonatas
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popularity: 2
genre: classical
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4888ec81f5cb98c3bc189183fe6386f0a9ae7da1ab7d567d3d9b8a46b654a5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB150100937.
  date published: 2026-07-31T23:51:35Z
audio: Sonata no. 3 (G. 5) in G major for violoncello and continuo: Menuetto
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  additional property: Tempo (BPM)
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    value: 0.051
  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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Concerto for violoncello and strings in d minor: Amoroso
type: MusicRecording
duration: PT3M9S
duration ms: 189626
explicit: false
by artist: Leonardo Leo
by artist: Teatro Lirico
by artist: Lucia Swarts
by artist: Stephen Stubbs
in album: Italian concertos & sonatas
  type: MusicAlbum
  date published: 2011-04-25
popularity: 3
isrc code: NLB159800385
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:06:17+00:00
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/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB159800385
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
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 0xa20737a3213bc07821f56c2b94bfdb032eb59bf38d46773b456bb4d75d096661. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB159800385.
  date published: 2026-07-30T18:23:33Z
audio: Concerto for violoncello and strings in d minor: Amoroso
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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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Ich bin vergnügt mit meinem Glücke BWV 84: Ich bin vergnügt mit meinem Glücke
type: MusicRecording
duration: PT5M24S
duration ms: 324066
explicit: false
by artist: Johann Sebastian Bach
by artist: Nienke Oostenrijk
by artist: Pauline Oostenrijk
by artist: Robert Franenberg
by artist: Franc Polman
by artist: Siebe Henstra
by artist: Rémy Baudet
by artist: Margriet Stok
by artist: Wim Ten Have
by artist: Lucia Swarts
by artist: Jaap Ter Linden
by artist: Amsterdam Sinfonietta
in album: Oboe passion - Arias & concertos by J.S. Bach & sons
  type: MusicAlbum
  date published: 2011-09-27
popularity: 1
genre: classical
genre: classical-piano
isrc code: NLB151100732
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:32:42+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x24389175ba38107eb58e77b46ea08bdee292b42aab8cd4812e2bb25f1b432e4a
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/NLB151100732
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24389175ba38107eb58e77b46ea08bdee292b42aab8cd4812e2bb25f1b432e4a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100732.
  date published: 2026-07-31T06:42:11Z
audio: Ich bin vergnügt mit meinem Glücke BWV 84: Ich bin vergnügt mit meinem Glücke
  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: Energy
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  additional property: Speechiness
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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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Liebster Jesu, mein Verlangen BWV 32: Liebster Jesu, mein Verlangen
type: MusicRecording
duration: PT5M1S
duration ms: 301306
explicit: false
by artist: Johann Sebastian Bach
by artist: Nienke Oostenrijk
by artist: Pauline Oostenrijk
by artist: Lucia Swarts
by artist: Wim Ten Have
by artist: Robert Franenberg
by artist: Rémy Baudet
by artist: Margriet Stok
by artist: Franc Polman
by artist: Siebe Henstra
by artist: Jaap Ter Linden
by artist: Amsterdam Sinfonietta
in album: Oboe passion - Arias & concertos by J.S. Bach & sons
  type: MusicAlbum
  date published: 2011-09-27
popularity: 1
genre: classical
genre: classical-piano
isrc code: NLB151100734
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100734
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 0x734ab6026ae169e4b4597a0db48eafff1b3408eeea188c73f42d282ca2269a45. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100734.
  date published: 2026-07-08T03:22:41Z
audio: Liebster Jesu, mein Verlangen BWV 32: Liebster Jesu, mein Verlangen
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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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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    value: 0.149
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Ich hatte viel Bekümmernis BWV 21: Seufzer, Tränen, Kummer, Not
type: MusicRecording
duration: PT4M15S
duration ms: 255266
explicit: false
by artist: Johann Sebastian Bach
by artist: Pauline Oostenrijk
by artist: Nienke Oostenrijk
by artist: Margriet Stok
by artist: Siebe Henstra
by artist: Rémy Baudet
by artist: Robert Franenberg
by artist: Lucia Swarts
by artist: Franc Polman
by artist: Wim Ten Have
by artist: Jaap Ter Linden
by artist: Amsterdam Sinfonietta
in album: Oboe passion - Arias & concertos by J.S. Bach & sons
  type: MusicAlbum
  date published: 2011-09-27
popularity: 1
genre: classical
genre: classical-piano
isrc code: NLB151100737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T11:47:23+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x37ac90486306c98e6a1e6b0e5a22827b2bc14839b18f2ed1204307ac9fc66417
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960254
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960254
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100737
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T12:06:10Z
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 0x37ac90486306c98e6a1e6b0e5a22827b2bc14839b18f2ed1204307ac9fc66417. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100737.
  date published: 2026-07-30T12:06:10Z
audio: Ich hatte viel Bekümmernis BWV 21: Seufzer, Tränen, Kummer, Not
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 110.352
  additional property: Musical Key
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    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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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)
    type: PropertyValue
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  additional property: Key Name
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Wer nur den lieben Gott läßt walten BWV 93: Ich will auf den Herren schaun
type: MusicRecording
duration: PT2M7S
duration ms: 127933
explicit: false
by artist: Johann Sebastian Bach
by artist: Pauline Oostenrijk
by artist: Nienke Oostenrijk
by artist: Siebe Henstra
by artist: Margriet Stok
by artist: Lucia Swarts
by artist: Rémy Baudet
by artist: Franc Polman
by artist: Wim Ten Have
by artist: Robert Franenberg
by artist: Jaap Ter Linden
by artist: Amsterdam Sinfonietta
in album: Oboe passion - Arias & concertos by J.S. Bach & sons
  type: MusicAlbum
  date published: 2011-09-27
popularity: 1
genre: classical
genre: classical-piano
isrc code: NLB151100739
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:42:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaffd739228c98659896d26232569de8537fecccd302a0c99d558e57aab37c86
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/NLB151100739
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 0xdaffd739228c98659896d26232569de8537fecccd302a0c99d558e57aab37c86. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100739.
  date published: 2026-07-08T03:20:19Z
audio: Wer nur den lieben Gott läßt walten BWV 93: Ich will auf den Herren schaun
  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: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Wer mich liebet, der wird mein Wort halten BWV 74: Komm, komm, mein Herze steht dir offen
type: MusicRecording
duration: PT2M37S
duration ms: 157333
explicit: false
by artist: Johann Sebastian Bach
by artist: Nienke Oostenrijk
by artist: Pauline Oostenrijk
by artist: Rémy Baudet
by artist: Franc Polman
by artist: Margriet Stok
by artist: Robert Franenberg
by artist: Siebe Henstra
by artist: Lucia Swarts
by artist: Wim Ten Have
by artist: Jaap Ter Linden
by artist: Amsterdam Sinfonietta
in album: Oboe passion - Arias & concertos by J.S. Bach & sons
  type: MusicAlbum
  date published: 2011-09-27
popularity: 1
genre: classical
genre: classical-piano
isrc code: NLB151100741
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:23:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a994e08a54081f1cdb74a3ca3783bbd6e937bce4f37873c92d3e63ef80df043
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/NLB151100741
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 0x6a994e08a54081f1cdb74a3ca3783bbd6e937bce4f37873c92d3e63ef80df043. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151100741.
  date published: 2026-07-31T12:24:41Z
audio: Wer mich liebet, der wird mein Wort halten BWV 74: Komm, komm, mein Herze steht dir offen
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