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subject of: OpenTimestamps Proof of Existence
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track: Mass in A Major, BWV 234: III. Domine Deus - Live
track: Mass in A Major, BWV 234: V. Quoniam - Live
track: Mass in G Major, BWV 236: VI. Cum sancto Spiritu - Live
track: Mass in F Major, BWV 233: II. Gloria in excelsis Deo - Live
track: Mass in A Major, BWV 234: I. Kyrie eleison - Christe eleison - Live
track: Mass in A Major, BWV 234: II. Gloria in excelsis Deo - Live
track: Mass in A Major, BWV 234: VI. Cum Sancto Spiritu - Live
track: Mass in G Major, BWV 236: I. Kyrie eleison - Live
track: Mass in G Major, BWV 236: II. Gloria in excelsis - Live
track: Mass in G Major, BWV 236: III. Gratias - Live

Mass in A Major, BWV 234: III. Domine Deus - Live
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by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
by artist: Daniel Pérez
in album: J.S. Bach: Mass in A Major, BWV 234 (Live)
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  date published: 2024-06-20
genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mass in A Major, BWV 234: III. Domine Deus - Live
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Mass in A Major, BWV 234: V. Quoniam - Live
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by artist: Orchester der J. S. Bach-Siftung
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mass in A Major, BWV 234: V. Quoniam - Live
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Mass in G Major, BWV 236: VI. Cum sancto Spiritu - Live
type: MusicRecording
duration: PT3M51S
duration ms: 231685
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
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genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Mass in G Major, BWV 236: VI. Cum sancto Spiritu - Live
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Mass in F Major, BWV 233: II. Gloria in excelsis Deo - Live
type: MusicRecording
duration: PT5M40S
duration ms: 340973
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
in album: J.S. Bach: Mass in F Major, BWV 233 (Live)
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genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Mass in F Major, BWV 233: II. Gloria in excelsis Deo - Live
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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

Mass in A Major, BWV 234: I. Kyrie eleison - Christe eleison - Live
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by artist: Johann Sebastian Bach
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by artist: Orchester der J. S. Bach-Siftung
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genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Mass in A Major, BWV 234: I. Kyrie eleison - Christe eleison - Live
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additional property: OTSVerifyInstructions
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Mass in A Major, BWV 234: II. Gloria in excelsis Deo - Live
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by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Orchester der J. S. Bach-Siftung
by artist: Rudolf Lutz
in album: J.S. Bach: Mass in A Major, BWV 234 (Live)
  type: MusicAlbum
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genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:54:03Z
audio: Mass in A Major, BWV 234: II. Gloria in excelsis Deo - Live
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.889
  additional property: Key Name
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    value: Ab
  additional property: Mode Name
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isrc code: CH9212400076
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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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/960384
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

Mass in A Major, BWV 234: VI. Cum Sancto Spiritu - Live
type: MusicRecording
duration: PT3M22S
duration ms: 202154
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Orchester der J. S. Bach-Siftung
by artist: Rudolf Lutz
in album: J.S. Bach: Mass in A Major, BWV 234 (Live)
  type: MusicAlbum
  date published: 2024-06-20
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1fb28dbae16f71dec7072455e6bcf2916e8107e9207a4f3e0ed3343acd2ca7. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212400080.
  date published: 2026-07-31T18:48:12Z
audio: Mass in A Major, BWV 234: VI. Cum Sancto Spiritu - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.417
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.493
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.468
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
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isrc code: CH9212400080
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Mass in G Major, BWV 236: I. Kyrie eleison - Live
type: MusicRecording
duration: PT4M45S
duration ms: 285408
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
in album: J.S. Bach: Mass in G Major, BWV 236 (Live)
  type: MusicAlbum
  date published: 2024-06-20
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e670b8ec3013586ee923dbf61a13673142d1e358e527e7a14e5ebb3496a24ae. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212400087.
  date published: 2026-08-01T00:10:46Z
audio: Mass in G Major, BWV 236: I. Kyrie eleison - Live
  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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  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
    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: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: F#
  additional property: Mode Name
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isrc code: CH9212400087
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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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: 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

Mass in G Major, BWV 236: II. Gloria in excelsis - Live
type: MusicRecording
duration: PT4M44S
duration ms: 284426
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor der J. S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
in album: J.S. Bach: Mass in G Major, BWV 236 (Live)
  type: MusicAlbum
  date published: 2024-06-20
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d2290248a55b64c7c54b76cb6f3b43a346486c03af386d1fe41029474964af0. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212400088.
  date published: 2026-07-31T02:19:15Z
audio: Mass in G Major, BWV 236: II. Gloria in excelsis - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.205
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.239
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.537
  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: F#
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isrc code: CH9212400088
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Mass in G Major, BWV 236: III. Gratias - Live
type: MusicRecording
duration: PT4M42S
duration ms: 282816
explicit: false
by artist: Johann Sebastian Bach
by artist: Rudolf Lutz
by artist: Orchester der J. S. Bach-Siftung
by artist: Matthias Helm
in album: J.S. Bach: Mass in G Major, BWV 236 (Live)
  type: MusicAlbum
  date published: 2024-06-20
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f037d5a3bc7c118857eaf9d6c4b736d564dca40a78cc95e2dc9b872906e0dd. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212400089.
  date published: 2026-07-31T12:24:41Z
audio: Mass in G Major, BWV 236: III. Gratias - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.268
  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: 0.446
  additional property: Energy
    type: PropertyValue
    value: 0.388
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.505
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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    value: Major
isrc code: CH9212400089
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9212400089
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
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