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type: MusicGroup
popularity: 8
followers: 99
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3b9f7a5c-0056-40e7-a7bb-ea82da8d6c4e.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3b9f7a5c-0056-40e7-a7bb-ea82da8d6c4e
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da5a611c515ad514887d21b0c972048f6f6203cb40375f4d39094885a23897d. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3b9f7a5c-0056-40e7-a7bb-ea82da8d6c4e.json and https://artists.proofprofile.net/proofs/artist/3b9f7a5c-0056-40e7-a7bb-ea82da8d6c4e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
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album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
  track: Ach bleib bei uns, Herr Jesu Christ, BWV 253 (Arr. for Piano by Jon Magnusson)
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    duration ms: 44962
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    by artist: Johann Sebastian Bach
    by artist: Otto Lundsgård
    in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
      type: MusicAlbum
      date published: 2024-09-20
    genre: classical
    genre: classical-piano
    genre: early-music
    genre: baroque
    genre: chamber-music
    genre: concerto
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T18:23:33Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221fa6914383b81b3779af9be8399cfd1df4cb908b00609680f1044ccfaacad8. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434068.
      date published: 2026-07-30T18:23:33Z
    audio: Ach bleib bei uns, Herr Jesu Christ, BWV 253 (Arr. for Piano by Jon Magnusson)
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  track: Ach Gott, erhör mein Seufzen, BWV 254 (Arr. for Piano by Jon Magnusson)
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    by artist: Otto Lundsgård
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      date published: 2024-09-20
    genre: classical
    genre: classical-piano
    genre: early-music
    genre: baroque
    genre: chamber-music
    genre: concerto
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434069
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T12:06:10Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-30T12:06:10Z
    audio: Ach Gott, erhör mein Seufzen, BWV 254 (Arr. for Piano by Jon Magnusson)
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      additional property: Danceability
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      additional property: Acousticness
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      additional property: Valence (Positivity)
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  track: Ach Gott und Herr, BWV 255 (Arr. for Piano by Jon Magnusson)
  track: Ach lieben Christen, seid getrost, BWV 256 (Arr. for Piano by Jon Magnusson)
  track: Wär Gott nicht mit uns diese Zeit, BWV 257 (Arr. for Piano by Jon Magnusson)
  track: Wo Gott der Herr nicht bei uns hält, BWV 258 (Arr. for Piano by Jon Magnusson)
  track: Ach, was soll ich Sünder machen, BWV 259 (Arr. for Piano by Jon Magnusson)
  track: Allein Gott in der Höh sei Ehr, BWV 260 (Arr. for Piano by Jon Magnusson)
  track: Allein zu dir, Herr Jesu Christ, BWV 261 (Arr. for Piano by Jon Magnusson)
  track: Alle Menschen müssen sterben, BWV 262 (Arr. for Piano by Jon Magnusson)
album: Schumann – Album für die Jugend - Album For The Young Part 3
album: Schumann – Album für die Jugend - Album For The Young Part 2
album: Schumann - Album für die Jugend - Album for the Young Pt. 1
album: Schumann - Kinderszenen, Pt. 3
album: Schumann - Kinderszenen, Pt. 2
album: Schumann - Kinderszenen, Pt. 1
album: Invention No. 2 in C Minor, BWV 773
album: Invention No. 1 in C Major, BWV 772

Acousticness
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value: 0.996

Instrumentalness
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Liveness
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value: 0.152

Valence (Positivity)
type: PropertyValue
value: 0.831

Loudness (dB)
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value: -27.348

Key Name
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Mode Name
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value: Minor

Ach Gott und Herr, BWV 255 (Arr. for Piano by Jon Magnusson)
type: MusicRecording
duration: PT0M39S
duration ms: 39685
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434071
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46742b3b2b6bc0026edaa1d6e861120f47a0804c74d29f510d017530890c3fe9. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434071.
  date published: 2026-07-30T20:35:49Z
audio: Ach Gott und Herr, BWV 255 (Arr. for Piano by Jon Magnusson)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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Ach lieben Christen, seid getrost, BWV 256 (Arr. for Piano by Jon Magnusson)
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duration: PT1M3S
duration ms: 63362
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434073
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ffc8760665153c995f42e7e1aca007ddb63e27483312de4cc48d48eaff60ff. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434073.
  date published: 2026-07-31T03:15:04Z
audio: Ach lieben Christen, seid getrost, BWV 256 (Arr. for Piano by Jon Magnusson)
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Wär Gott nicht mit uns diese Zeit, BWV 257 (Arr. for Piano by Jon Magnusson)
type: MusicRecording
duration: PT1M5S
duration ms: 65907
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434075
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9435e00733202318c0cd784be2bb677a8080e85cbb4d1ccac9037c424a5bf44a. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434075.
  date published: 2026-07-30T20:09:33Z
audio: Wär Gott nicht mit uns diese Zeit, BWV 257 (Arr. for Piano by Jon Magnusson)
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Wo Gott der Herr nicht bei uns hält, BWV 258 (Arr. for Piano by Jon Magnusson)
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duration: PT1M5S
duration ms: 65657
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by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
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  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Wo Gott der Herr nicht bei uns hält, BWV 258 (Arr. for Piano by Jon Magnusson)
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Ach, was soll ich Sünder machen, BWV 259 (Arr. for Piano by Jon Magnusson)
type: MusicRecording
duration: PT0M58S
duration ms: 58514
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
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  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434077
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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
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  date published: 2026-07-30T20:45:02Z
audio: Ach, was soll ich Sünder machen, BWV 259 (Arr. for Piano by Jon Magnusson)
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Allein Gott in der Höh sei Ehr, BWV 260 (Arr. for Piano by Jon Magnusson)
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duration: PT1M5S
duration ms: 65887
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434078
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:09:19Z
audio: Allein Gott in der Höh sei Ehr, BWV 260 (Arr. for Piano by Jon Magnusson)
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Allein zu dir, Herr Jesu Christ, BWV 261 (Arr. for Piano by Jon Magnusson)
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duration: PT1M19S
duration ms: 79216
explicit: false
by artist: Johann Sebastian Bach
by artist: Jon Magnusson
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
  type: MusicAlbum
  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434079
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73c602dbdb765d9692410eed0e000e2eee297533a2f351db79ae74289e4f98d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434079.
  date published: 2026-07-31T00:26:26Z
audio: Allein zu dir, Herr Jesu Christ, BWV 261 (Arr. for Piano by Jon Magnusson)
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Alle Menschen müssen sterben, BWV 262 (Arr. for Piano by Jon Magnusson)
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duration: PT1M13S
duration ms: 73999
explicit: false
by artist: Johann Sebastian Bach
by artist: Otto Lundsgård
in album: Bach: 4-Part Chorales for Piano, Vol. 1 BWV 253-262
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  date published: 2024-09-20
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: AUGBT2434080
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069267249d31b2ff21d41ff133e7f229e0c0906f7fb3c034eabb1ef5f400e67b. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUGBT2434080.
  date published: 2026-07-30T06:39:12Z
audio: Alle Menschen müssen sterben, BWV 262 (Arr. for Piano by Jon Magnusson)
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Schumann – Album für die Jugend - Album For The Young Part 3
type: MusicAlbum
date published: 2023-04-21

Schumann – Album für die Jugend - Album For The Young Part 2
type: MusicAlbum
date published: 2023-03-31

Schumann - Album für die Jugend - Album for the Young Pt. 1
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date published: 2023-03-10
track: Album für die Jugend, Op. 68 No. 1, Melodie
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  by artist: Otto Lundsgård
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    date published: 2023-03-10
  popularity: 5
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcb4d26a88bb196b44043030c0cd2754558e3db5a58b9fbfa18126b4537fdaaf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6N62201120.
    date published: 2026-07-08T03:20:19Z
  audio: Album für die Jugend, Op. 68 No. 1, Melodie
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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Schumann - Kinderszenen, Pt. 3
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date published: 2023-02-17
track: Kinderszenen, Op. 15: No. 10, Fast zu ernst
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Schumann - Kinderszenen, Pt. 2
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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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track: Kinderszenen, Op. 15: No. 8, Am Kamin
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Kinderszenen, Op. 15: No. 8, Am Kamin
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Schumann - Kinderszenen, Pt. 1
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date published: 2022-12-02
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Kinderszenen, Op. 15: No. 1, Von fremden Ländern und Menschen
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Invention No. 2 in C Minor, BWV 773
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T15:38:18Z
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Invention No. 1 in C Major, BWV 772
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T19:35:34Z
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