Frank Aarnink
type: MusicGroup
popularity: 16
followers: 43
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8840031a64b383b193d591f85de97ede84b34bd06a11060148b144d68d697c2c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953697
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953697
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fb9a29e-a934-4662-ba41-2c448bab75a3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fb9a29e-a934-4662-ba41-2c448bab75a3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5fb9a29e-a934-4662-ba41-2c448bab75a3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:49:28Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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 0x8840031a64b383b193d591f85de97ede84b34bd06a11060148b144d68d697c2c. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fb9a29e-a934-4662-ba41-2c448bab75a3.json and https://artists.proofprofile.net/proofs/artist/5fb9a29e-a934-4662-ba41-2c448bab75a3.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T21:49:28Z
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album: Scent Opera
  type: MusicAlbum
  date published: 2017-01-01
album: Bach Cantatas (Complete) Part: 59
  type: MusicAlbum
  date published: 2006-12-20
  track: II. Der Himmel Lacht! Die Erde Jubilieret BWV 31, 1. Sonata
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    duration: PT2M17S
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    by artist: Holland Boys Choir, Netherlands Bach Collegium
    by artist: Vincent Van Ballegooien
    by artist: Sytse Buwalda
    by artist: Johann Sebastian Bach
    by artist: Ruth Holton
    by artist: Nico Van Der Meel
    by artist: Susan Williams
    by artist: Peter Frankenberg
    by artist: Bas Ramselaar
    by artist: Hendrik Jan Houtsma
    by artist: Eduard Wesley
    by artist: Will Wroth
    by artist: Pieter Jan Leusink
    in album: Bach Cantatas (Complete) Part: 59
      type: MusicAlbum
      date published: 2006-12-20
    isrc code: NLN580537704
    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: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537704
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 0xa64ed1cea98d4f3dddb9cb5508533992aec7695bb21a979fbeda1e49470b5d94. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLN580537704 — a six-check JSON result.
      date published: 2026-07-02T03:55:08Z
    audio: II. Der Himmel Lacht! Die Erde Jubilieret BWV 31, 1. Sonata
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.322
      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
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      additional property: Energy
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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  track: II. Der Himmel Lacht! Die Erde Jubilieret BWV 31, 2. Coro: Der Himmel Lacht! Die Erde Jubilieret
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239750
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    by artist: Holland Boys Choir, Netherlands Bach Collegium
    by artist: Eduard Wesley
    by artist: Frank Anepool
    by artist: Hendrik Jan Houtsma
    by artist: Johann Sebastian Bach
    by artist: Ruth Holton
    by artist: Vincent Van Ballegooien
    by artist: Sytse Buwalda
    by artist: Bas Ramselaar
    by artist: Nico Van Der Meel
    by artist: Frank Aarnink
    by artist: Susan Williams
    by artist: Pieter Jan Leusink
    in album: Bach Cantatas (Complete) Part: 59
      type: MusicAlbum
      date published: 2006-12-20
    isrc code: NLN580537705
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-25T23:47:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8af48c84839b87dba89a93015a18993ad2a139ecf66d663051809d1588bdd89f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537705
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 0x8af48c84839b87dba89a93015a18993ad2a139ecf66d663051809d1588bdd89f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLN580537705 — a six-check JSON result.
      date published: 2026-07-02T03:55:08Z
    audio: II. Der Himmel Lacht! Die Erde Jubilieret BWV 31, 2. Coro: Der Himmel Lacht! Die Erde Jubilieret
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.757
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Bach Edition Vol. 21, Cantatas Vol. XII
album: Bach Cantatas (Complete) Part: 60
album: Bach Cantatas (Complete) Part: 52
album: Bach Edition Vol. 19, Cantatas Vol. X Part: 2
album: Bach Cantatas (Complete) Part: 48
album: Bach Edition Vol. 18, Cantatas Vol. IX Part: 1
album: Bach Cantatas (Complete) Part: 38
album: Bach Edition Vol. 15, Cantatas Vol. VIII Part: 3
album: Bach Cantatas (Complete) Part: 44
album: Bach Edition Vol. 19, Cantatas Vol. X Part: 3
album: Bach Edition Vol. 18, Cantatas Vol. IX Part: 4
album: Bach Cantatas (Complete) Part: 53
album: Bach Cantatas (Complete) Part: 31
album: Bach Edition Vol. 20, Cantatas Vol. XI
album: Bach Cantatas (Complete) Part: 49
album: VÍDDIR (Live)
album: Nadia Sirota: Baroque
album: Bach Cantatas (Complete) Part: 50
album: Aerial
album: Kom skapari / Come Creator
album: The Greenhouse Sessions
album: Konan við 1000°
album: Bach Edition Vol. 19, Cantatas Vol. X Part: 5
album: Bach Edition Vol. 19, Cantatas Vol. X Part: 4

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.412

Energy
type: PropertyValue
value: 0.269

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.964

Instrumentalness
type: PropertyValue
value: 0.91

Liveness
type: PropertyValue
value: 0.103

Valence (Positivity)
type: PropertyValue
value: 0.729

Loudness (dB)
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value: -21.567

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Bach Edition Vol. 21, Cantatas Vol. XII
type: MusicAlbum
date published: 2007-03-28
track: II. Ich Liebe Den Höchsten Von Ganzem Gemüte Bwv 174, At The 2nd Day Of Whit Sun,am 2. Pfingsttag: Sinfonia (Concerto)
  type: MusicRecording
  duration: PT5M48S
  duration ms: 348750
  explicit: false
  by artist: Pieter Jan Leusink
  by artist: Eduard Wesley
  by artist: Teunis van der Zwart
  by artist: Bas Ramselaar
  by artist: Sytse Buwalda
  by artist: Peter Frankenberg
  by artist: Louis Van Emmerik
  by artist: Nico Van Der Meel
  by artist: Johann Sebastian Bach
  by artist: Nico De Gier
  by artist: Amsterdam Classics B.V., Jean Van Vugt
  by artist: Holland Boys Choir, Netherlands Bach Collegium
  by artist: Erwin Wieringa
  in album: Bach Edition Vol. 21, Cantatas Vol. XII
    type: MusicAlbum
    date published: 2007-03-28
  popularity: 2
  isrc code: NLN580505227
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T16:55:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xef1a74e70a33932bee4ac7df444ccd7667cab82430378597fec72774ac93007a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/NLN580505227
  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 0xef1a74e70a33932bee4ac7df444ccd7667cab82430378597fec72774ac93007a. 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/NLN580505227 — a six-check JSON result.
    date published: 2026-07-31T17:29:52Z
  audio: II. Ich Liebe Den Höchsten Von Ganzem Gemüte Bwv 174, At The 2nd Day Of Whit Sun,am 2. Pfingsttag: Sinfonia (Concerto)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.921
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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track: I. Herz Und Mund Und Tat Und Leben Bwv 147, For The Feast Of Visitation,mariae Heimsuchung, Seconda Parte: Choral (Coro), Jesu Bleibet Meine Freude
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189750
  explicit: false
  by artist: Pieter Jan Leusink
  by artist: Amsterdam Classics B.V., Jean Van Vugt
  by artist: Sytse Buwalda
  by artist: Johann Sebastian Bach
  by artist: Holland Boys Choir, Netherlands Bach Collegium
  by artist: Louis Van Emmerik
  by artist: Bas Ramselaar
  by artist: Ruth Holton
  by artist: Knut Schoch
  in album: Bach Edition Vol. 21, Cantatas Vol. XII
    type: MusicAlbum
    date published: 2007-03-28
  popularity: 18
  isrc code: NLN580505209
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T05:32:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd0a307baf484051275a3a8b67a511f6b29aa8873cf8df6375f675e4f0eb7fb91
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580505209
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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 0xd0a307baf484051275a3a8b67a511f6b29aa8873cf8df6375f675e4f0eb7fb91. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLN580505209 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.217
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.11
    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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Bach Cantatas (Complete) Part: 60
type: MusicAlbum
date published: 2006-12-20
track: I. Jesu, Nun Sei Gepreiset BWV 41, 1. Coro: Jesu, Nun Sei Gepreiset
  type: MusicRecording
  duration: PT7M41S
  duration ms: 461500
  explicit: false
  by artist: Holland Boys Choir, Netherlands Bach Collegium
  by artist: Bas Ramselaar
  by artist: Eduard Wesley
  by artist: Knut Schoch
  by artist: Frank Aarnink
  by artist: Susan Williams
  by artist: Hendrik Jan Houtsma
  by artist: Vincent Van Ballegooien
  by artist: Peter Frankenberg
  by artist: Frank Anepool
  by artist: Sytse Buwalda
  by artist: Johann Sebastian Bach
  by artist: Pieter Jan Leusink
  in album: Bach Cantatas (Complete) Part: 60
    type: MusicAlbum
    date published: 2006-12-20
  isrc code: NLN580537720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T04:55:23+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/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537720
  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 0x37be3777ec0d827b8cb3042831af1a5d9626049cdb386a569058d7aa4aa651a5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLN580537720 — a six-check JSON result.
    date published: 2026-06-13T13:32:09Z
  audio: I. Jesu, Nun Sei Gepreiset BWV 41, 1. Coro: Jesu, Nun Sei Gepreiset
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.622
    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: 0.592
    additional property: Energy
      type: PropertyValue
      value: 0.378
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.923
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.862
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.637
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.546
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: I. Jesu, Nun Sei Gepreiset BWV 41, 3. Recitativo (Alto): Ach! Deine Hand
  type: MusicRecording
  duration: PT1M10S
  duration ms: 70000
  explicit: false
  by artist: Holland Boys Choir, Netherlands Bach Collegium
  by artist: Frank Aarnink
  by artist: Bas Ramselaar
  by artist: Johann Sebastian Bach
  by artist: Sytse Buwalda
  by artist: Frank Wakelkamp
  by artist: Vaughan Schlepp
  by artist: Knut Schoch
  by artist: Frank Anepool
  by artist: Hendrik Jan Houtsma
  by artist: Susan Williams
  by artist: Pieter Jan Leusink
  in album: Bach Cantatas (Complete) Part: 60
    type: MusicAlbum
    date published: 2006-12-20
  isrc code: NLN580537722
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:31:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44a68596c931f1a8feebd9241d7a50b713f333563cf34b68ad16a940f2172f18
  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/NLN580537722
  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 0x44a68596c931f1a8feebd9241d7a50b713f333563cf34b68ad16a940f2172f18. 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/NLN580537722 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: I. Jesu, Nun Sei Gepreiset BWV 41, 3. Recitativo (Alto): Ach! Deine Hand
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.218
    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: 0.323
    additional property: Energy
      type: PropertyValue
      value: 0.018
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.052
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.298
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: I. Jesu, Nun Sei Gepreiset BWV 41, 6. Choral (Coro): Dein Ist Allein Die Ehre
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113750
  explicit: false
  by artist: Holland Boys Choir, Netherlands Bach Collegium
  by artist: Frank Anepool
  by artist: Hendrik Jan Houtsma
  by artist: Susan Williams
  by artist: Knut Schoch
  by artist: Johann Sebastian Bach
  by artist: Frank Aarnink
  by artist: Sytse Buwalda
  by artist: Bas Ramselaar
  by artist: Pieter Jan Leusink
  in album: Bach Cantatas (Complete) Part: 60
  isrc code: NLN580537725
  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: I. Jesu, Nun Sei Gepreiset BWV 41, 6. Choral (Coro): Dein Ist Allein Die Ehre
track: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 1. Sinfonia
track: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 2. Coro: Wir Danken Dir, Gott, Wir Danken Dir
track: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 4. Recitativo (Basso): Gottlob! Es Geht Uns Wohl!
track: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 5. Aria (Soprano): Gedenk An Uns Mit Deiner Liebe
track: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 7. Aria (Alto): Halleluja, Stärk Und Macht
track: III. Gott, Man Lobet Dich In Der Stille BWV 120, 1. Aria (Alto): Gott, Man Lobet Dich In Der Stille

Frank Anepool
type: MusicGroup

Hendrik Jan Houtsma
type: MusicGroup

Susan Williams
type: MusicGroup

Knut Schoch
type: MusicGroup

Johann Sebastian Bach
type: MusicGroup

Frank Aarnink
type: MusicGroup

Sytse Buwalda
type: MusicGroup

Bas Ramselaar
type: MusicGroup

Pieter Jan Leusink
type: MusicGroup

Bach Cantatas (Complete) Part: 60
type: MusicAlbum
date published: 2006-12-20

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T16:56:20+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xd308ea824ea926d2beb11b7845a9ebd89d07314f600dd9c47a410ce27ac5afac

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537725

OTSTimestamp
type: PropertyValue
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 0xd308ea824ea926d2beb11b7845a9ebd89d07314f600dd9c47a410ce27ac5afac. 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/NLN580537725 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

I. Jesu, Nun Sei Gepreiset BWV 41, 6. Choral (Coro): Dein Ist Allein Die Ehre
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.591
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.321
additional property: Energy
  type: PropertyValue
  value: 0.214
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0.969
additional property: Instrumentalness
  type: PropertyValue
  value: 0.079
additional property: Liveness
  type: PropertyValue
  value: 0.248
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.717
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.708
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 1. Sinfonia
type: MusicRecording
duration: PT3M36S
duration ms: 216000
explicit: false
by artist: Holland Boys Choir, Netherlands Bach Collegium
by artist: Bas Ramselaar
by artist: Johann Sebastian Bach
by artist: Eduard Wesley
by artist: Will Wroth
by artist: Sytse Buwalda
by artist: Marjon Strijk
by artist: Vaughan Schlepp
by artist: Peter Frankenberg
by artist: Hendrik Jan Houtsma
by artist: Susan Williams
by artist: Frank Aarnink
by artist: Geerten Rooze
by artist: Pieter Jan Leusink
in album: Bach Cantatas (Complete) Part: 60
  type: MusicAlbum
  date published: 2006-12-20
isrc code: NLN580537726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T08:42:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ed8e9c4c46317bae25a278ef33018a92aece78c8849a6e86ec1ee308097a312
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580537726
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
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 0x8ed8e9c4c46317bae25a278ef33018a92aece78c8849a6e86ec1ee308097a312. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/NLN580537726 — a six-check JSON result.
  date published: 2026-06-17T19:07:14Z
audio: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 1. Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.785
  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: 0.487
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.939
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.277
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.267
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 2. Coro: Wir Danken Dir, Gott, Wir Danken Dir
type: MusicRecording
duration: PT2M42S
duration ms: 162250
explicit: false
by artist: Holland Boys Choir, Netherlands Bach Collegium
by artist: Kristin Linde
by artist: Bas Ramselaar
by artist: Johann Sebastian Bach
by artist: Marjon Strijk
by artist: Will Wroth
by artist: Sytse Buwalda
by artist: Frank Aarnink
by artist: Peter Frankenberg
by artist: Susan Williams
by artist: Pieter Jan Leusink
in album: Bach Cantatas (Complete) Part: 60
  type: MusicAlbum
  date published: 2006-12-20
isrc code: NLN580537727
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:57:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x243779abfd403fc1d591fa947b7dad33cef2f06099b4004f265aa1e748dbca91
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/NLN580537727
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 0x243779abfd403fc1d591fa947b7dad33cef2f06099b4004f265aa1e748dbca91. 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/NLN580537727 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 2. Coro: Wir Danken Dir, Gott, Wir Danken Dir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.497
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.884
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.27
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.02
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 4. Recitativo (Basso): Gottlob! Es Geht Uns Wohl!
type: MusicRecording
duration: PT0M59S
duration ms: 59750
explicit: false
by artist: Holland Boys Choir, Netherlands Bach Collegium
by artist: Vaughan Schlepp
by artist: Bas Ramselaar
by artist: Frank Wakelkamp
by artist: Sytse Buwalda
by artist: Frank Aarnink
by artist: Marjon Strijk
by artist: Johann Sebastian Bach
by artist: Pieter Jan Leusink
in album: Bach Cantatas (Complete) Part: 60
  type: MusicAlbum
  date published: 2006-12-20
isrc code: NLN580537729
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:56:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67fc5b6cdf26d3aabb705b0bd134d566a45b691e815d952d0924f9a15430f69f
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/NLN580537729
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 0x67fc5b6cdf26d3aabb705b0bd134d566a45b691e815d952d0924f9a15430f69f. 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/NLN580537729 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 4. Recitativo (Basso): Gottlob! Es Geht Uns Wohl!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.437
  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: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.127
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 5. Aria (Soprano): Gedenk An Uns Mit Deiner Liebe
type: MusicRecording
duration: PT5M18S
duration ms: 318500
explicit: false
by artist: Holland Boys Choir, Netherlands Bach Collegium
by artist: Eduard Wesley
by artist: Frank Aarnink
by artist: Sytse Buwalda
by artist: Bas Ramselaar
by artist: Marjon Strijk
by artist: Johann Sebastian Bach
by artist: Pieter Jan Leusink
in album: Bach Cantatas (Complete) Part: 60
  type: MusicAlbum
  date published: 2006-12-20
isrc code: NLN580537730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:30:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a8bb5444f161cd7ec380eff47d6358ae7b415c68e8b76b66d27459b2f07afd5
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/NLN580537730
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
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  date published: 2026-07-31T17:29:52Z
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II. Wir Danken Dir, Gott, Wir Danken Dir BWV 29, 7. Aria (Alto): Halleluja, Stärk Und Macht
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T01:44:32Z
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III. Gott, Man Lobet Dich In Der Stille BWV 120, 1. Aria (Alto): Gott, Man Lobet Dich In Der Stille
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by artist: Johann Sebastian Bach
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:40:43Z
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Bach Cantatas (Complete) Part: 52
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date published: 2006-12-20
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Bach Edition Vol. 19, Cantatas Vol. X Part: 2
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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Bach Cantatas (Complete) Part: 48
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Bach Edition Vol. 18, Cantatas Vol. IX Part: 1
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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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Bach Cantatas (Complete) Part: 38
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Bach Edition Vol. 15, Cantatas Vol. VIII Part: 3
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Bach Cantatas (Complete) Part: 44
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Bach Edition Vol. 19, Cantatas Vol. X Part: 3
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Bach Edition Vol. 18, Cantatas Vol. IX Part: 4
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Bach Cantatas (Complete) Part: 53
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date published: 2006-12-20
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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: 2026-07-02T03:30:09Z
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Bach Cantatas (Complete) Part: 31
type: MusicAlbum
date published: 2006-12-20
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  by artist: Peter Frankenberg
  by artist: Marjon Strijk
  by artist: Bas Ramselaar
  by artist: Geerten Rooze
  by artist: Eduard Wesley
  by artist: Johann Sebastian Bach
  by artist: Martinus Leusink
  by artist: Jan Zwerver
  by artist: Frank Aarnink
  by artist: David Kjar
  by artist: Doretthe Janssens
  by artist: Frank Anepool
  by artist: Oeds Van Middelkoop
  by artist: Pieter Jan Leusink
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    date published: 2006-12-20
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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 0x9e3775f2c0938f09d2330abb766243c52ad9a45aa52b550ce6ca8b34756894d7. 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/NLN580537059 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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Bach Edition Vol. 20, Cantatas Vol. XI
type: MusicAlbum
date published: 2007-03-28

Bach Cantatas (Complete) Part: 49
type: MusicAlbum
date published: 2006-12-20

VÍDDIR (Live)
type: MusicAlbum
date published: 2022-10-28

Nadia Sirota: Baroque
type: MusicAlbum
date published: 2013-03-18
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  by artist: Judd Greenstein
  by artist: James McVinnie
  by artist: Daníel Bjarnason
  by artist: Frank Aarnink
  by artist: Valgeir Sigurðsson
  by artist: Paul Evans
  by artist: Missy Mazzoli
  by artist: Paul Corley
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    date published: 2013-03-18
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  genre: viola
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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/ISW211300101
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486ea1aef0daf5172655bb9eb2afdeeb5a5fa10127290de3a940dc8bd681ebfb. 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/ISW211300101 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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track: From the Invisible to the Visible
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  by artist: Nadia Sirota
  by artist: James McVinnie
  by artist: Daníel Bjarnason
  by artist: Frank Aarnink
  by artist: Valgeir Sigurðsson
  by artist: Paul Evans
  by artist: Missy Mazzoli
  by artist: Paul Corley
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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 0xd1e50223b4d6686c9bf0731a058748fe5bf4081c0750135072e41bfe4da78ac1. 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/ISW211300102 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
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track: Etude No. 3: Etude 3
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Etude No. 3: Etude 3

Paul Evans
type: MusicGroup

Missy Mazzoli
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Paul Corley
type: MusicGroup

Nadia Sirota: Baroque
type: MusicAlbum
date published: 2013-03-18

CopyrightID
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 0xeeaa25c75e5b278af9fef7d63036a87134eb8898934ec02bb2a8126662dfe59d. 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/ISW211300104 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Etude No. 3: Etude 3
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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: Instrumentalness
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additional property: Valence (Positivity)
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Bach Cantatas (Complete) Part: 50
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  by artist: Will Wroth
  by artist: Johann Sebastian Bach
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  by artist: Hendrik Jan Houtsma
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  by artist: Frank Aarnink
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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Aerial
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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 0x2314b1dabbb656cc197dbd5b5f11b060e8cd6619cd5bb4ea21928972c30eb4dd. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/USKC62202501 — a six-check JSON result.
    date published: 2026-07-31T03:15:04Z
  audio: Into - Second Self
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.714
    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: 0.197
    additional property: Energy
      type: PropertyValue
      value: 0.252
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.804
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.929
    additional property: Liveness
      type: PropertyValue
      value: 0.298
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.039
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.845
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ró
  type: MusicRecording
  duration: PT10M39S
  duration ms: 639640
  explicit: false
  by artist: Anna Thorvaldsdottir
  by artist: Caput Ensemble
  by artist: Guðni Franzson
  in album: Aerial
    type: MusicAlbum
    date published: 2022-05-27
  isrc code: USKC62202502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T09:53:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f8828a858dbf1e19ad2623f1f485a3d8b03a34c871bf43809021573c79b6506
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62202502
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x0f8828a858dbf1e19ad2623f1f485a3d8b03a34c871bf43809021573c79b6506. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USKC62202502 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Ró
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.534
    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: 0.07
    additional property: Energy
      type: PropertyValue
      value: 0.152
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.604
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.811
    additional property: Liveness
      type: PropertyValue
      value: 0.335
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.004
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Aeriality (Live)
  type: MusicRecording
  duration: PT13M32S
  duration ms: 812826
  explicit: false
  by artist: Anna Thorvaldsdottir
  by artist: Iceland Symphony Orchestra
  by artist: llan Volkov
  in album: Aerial
    type: MusicAlbum
    date published: 2022-05-27
  isrc code: USKC62202503
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T23:30:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d70f045372f76ef0f0124fbc95bdd0ac4666b228b383144591491f23633f8d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Aeriality (Live)
track: Tactility
track: Trajectories
track: Shades of Silence
track: Aura (2015 Version)

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62202503

OTSTimestamp
type: PropertyValue
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 0x5d70f045372f76ef0f0124fbc95bdd0ac4666b228b383144591491f23633f8d4. 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/USKC62202503 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Aeriality (Live)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 87.684
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.06
additional property: Energy
  type: PropertyValue
  value: 0.261
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.771
additional property: Instrumentalness
  type: PropertyValue
  value: 0.93
additional property: Liveness
  type: PropertyValue
  value: 0.278
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.033
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.465
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Tactility
type: MusicRecording
duration: PT7M38S
duration ms: 458186
explicit: false
by artist: Anna Thorvaldsdottir
by artist: Duo Harpverk
in album: Aerial
  type: MusicAlbum
  date published: 2022-05-27
isrc code: USKC62202504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:50:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55ba92362b57d2feb7e3533fc570450081b38c0700152a1aac663ffd16c381ed
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/USKC62202504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x55ba92362b57d2feb7e3533fc570450081b38c0700152a1aac663ffd16c381ed. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62202504 — a six-check JSON result.
  date published: 2026-07-08T08:56:20Z
audio: Tactility
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.243
  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: 0.181
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.853
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.967
  additional property: Liveness
    type: PropertyValue
    value: 0.373
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.031
  additional property: Loudness (dB)
    type: PropertyValue
    value: -40.376
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trajectories
type: MusicRecording
duration: PT14M32S
duration ms: 872466
explicit: false
by artist: Anna Thorvaldsdottir
by artist: Tinna Þorsteinsdóttir
in album: Aerial
  type: MusicAlbum
  date published: 2022-05-27
isrc code: USKC62202505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:39:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cad57e4a9cd5e49614e66ed9e80ca421d1d0d2d4fb9836774a0c5dc55663c02
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/USKC62202505
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 0x1cad57e4a9cd5e49614e66ed9e80ca421d1d0d2d4fb9836774a0c5dc55663c02. 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/USKC62202505 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trajectories
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.383
  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: 0.242
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.913
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.028
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.902
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Shades of Silence
type: MusicRecording
duration: PT7M41S
duration ms: 461893
explicit: false
by artist: Anna Thorvaldsdottir
by artist: Nordic Affect
in album: Aerial
  type: MusicAlbum
  date published: 2022-05-27
isrc code: USKC62202506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:04:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1808f0cb829a543fd0987c0f8e3d87c11ce74ab3c2855489c9c4dbeeac6691ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960407
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC62202506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:26:30Z
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 0x1808f0cb829a543fd0987c0f8e3d87c11ce74ab3c2855489c9c4dbeeac6691ba. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/USKC62202506 — a six-check JSON result.
  date published: 2026-07-31T13:26:30Z
audio: Shades of Silence
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.636
  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: 0.153
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.836
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.655
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.122
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Aura (2015 Version)
type: MusicRecording
duration: PT6M15S
duration ms: 375000
explicit: false
by artist: Anna Thorvaldsdottir
by artist: Los Angeles Percussion Quartet
in album: Aerial
  type: MusicAlbum
  date published: 2022-05-27
isrc code: USKC62202507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:07:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcedeb914bc01c74a49dcd07d055fe65ec74c7d8ac6fd707c5678eda1bccab746
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/USKC62202507
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 0xcedeb914bc01c74a49dcd07d055fe65ec74c7d8ac6fd707c5678eda1bccab746. 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/USKC62202507 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Aura (2015 Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.17
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.123
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.353
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.025
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.476
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kom skapari / Come Creator
type: MusicAlbum
date published: 2017-07-28
track: Sumarmorgunn á Heimaey
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274546
  explicit: false
  by artist: Hilmar Örn Agnarsson
  by artist: Guðrún Jóhanna Ólafsdóttir
  by artist: South Iceland Chamber Choir
  by artist: Kjartan Sveinsson
  in album: Kom skapari / Come Creator
    type: MusicAlbum
    date published: 2017-07-28
  isrc code: ISC111500712
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T18:49:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x67837e8c4348c54566a3571f92cfeba8618d19b330d81ab516ff7621f89302d0
  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/ISC111500712
  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 0x67837e8c4348c54566a3571f92cfeba8618d19b330d81ab516ff7621f89302d0. 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/ISC111500712 — a six-check JSON result.
    date published: 2026-07-30T19:11:09Z
  audio: Sumarmorgunn á Heimaey
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.989
    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: 0.209
    additional property: Energy
      type: PropertyValue
      value: 0.148
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.041
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.153
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

The Greenhouse Sessions
type: MusicAlbum
date published: 2012-04-23

Konan við 1000°
type: MusicAlbum
date published: 2014-01-01

Bach Edition Vol. 19, Cantatas Vol. X Part: 5
type: MusicAlbum
date published: 2006-12-22

Bach Edition Vol. 19, Cantatas Vol. X Part: 4
type: MusicAlbum
date published: 2006-12-22