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genre: classical
description: Rainer Zepperitz (August 25, 1930 - December 23, 2009) was a German double bassist. Background Zepperitz was born in Bandung, Java. In his childhood he first learned the violin before moving to the
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202041
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b76522c2ce178cc6f6aa7b7e863dac8c9991bf6fc774e125ac9cb914ad91cc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202041.
    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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  type: MusicRecording
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  by artist: Wolfgang Amadeus Mozart
  by artist: Orchestra Sinfonica della RAI de Torino
  by artist: Herbert von Karajan
  by artist: Orchestra Sinfonica Di Torino Della Rai
  in album: Karajan A-Z: Mozart
    type: MusicAlbum
    date published: 2024-07-12
  popularity: 10
  genre: classical
  genre: classical-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202051
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04ebfe5f4b8e1b98dc59149dad4da73ddfba2d233f6c12a16967a8120f3a260. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202051.
    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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track: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
  type: MusicRecording
  duration: PT8M2S
  duration ms: 482200
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Orchestra Sinfonica della RAI de Torino
  by artist: Herbert von Karajan
  by artist: Orchestra Sinfonica Di Torino Della Rai
  in album: Karajan A-Z: Mozart
    type: MusicAlbum
    date published: 2024-07-12
  popularity: 8
  genre: classical
  genre: classical-era
  isrc code: DEF054202052
  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: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
track: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
track: Symphony No. 29 in A Major, K. 201: II. Andante
track: Symphony No. 32 in G Major, K. 318: III. Tempo I

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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
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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/DEF054202052

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b. 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/DEF054202052.
date published: 2026-07-08T03:20:19Z

Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Symphony No. 29 in A Major, K. 201: I. Allegro moderato
type: MusicRecording
duration: PT7M5S
duration ms: 425333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 7
genre: classical
genre: classical-era
isrc code: DEF056500841
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500841
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8522e84ce702f62f2893197666045115901e571649d782570c872ce06260bc7d. 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/DEF056500841.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 29 in A Major, K. 201: I. Allegro moderato
  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
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  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
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Symphony No. 29 in A Major, K. 201: II. Andante
type: MusicRecording
duration: PT5M58S
duration ms: 358600
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 6
genre: classical
genre: classical-era
isrc code: DEF056500842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7292999b6d9c0d6f50863076291214bd86e7e24703d429a63aab1f953f5ec8cc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500842.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 29 in A Major, K. 201: II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Symphony No. 32 in G Major, K. 318: III. Tempo I
type: MusicRecording
duration: PT2M4S
duration ms: 124363
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 14
genre: classical
genre: classical-era
isrc code: DEF057701273
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701273
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dbbf9998f8aee32675a2da43fca976563ad89eb0ab2899c161431196885fd34. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701273.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 32 in G Major, K. 318: III. Tempo I
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Mozart: Wind Concertos and Serenades
type: MusicAlbum
date published: 2006-01-01
track: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro
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  by artist: Wolfgang Schulz
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  by artist: Wiener Philharmoniker
  by artist: Karl Böhm
  in album: Mozart: Wind Concertos and Serenades
    type: MusicAlbum
    date published: 2006-01-01
  genre: classical
  genre: classical-era
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bf76887153c85b148ae8385f3853b6b574a551ac8679bcdc2f6c2e535e3e56. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057501192.
    date published: 2026-07-08T08:56:20Z
  audio: Concerto for Flute, Harp, and Orchestra in C Major, K. 299: I. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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track: Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione
track: Flute Concerto in G Major, K. 313: II. Adagio non troppo
track: Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
track: Serenade in B-Flat Major, K. 361 "Gran partita": III. Adagio
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazione
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Flute Concerto in G Major, K. 313: II. Adagio non troppo
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Horn Concerto No. 3 in E-Flat Major, K. 447: I. Allegro
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Serenade in B-Flat Major, K. 361 "Gran partita": III. Adagio
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Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio (Cadenza: Zeman)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio (Cadenza: Zeman)
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Serenade in E flat, K.375: 2. Menuetto
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duration ms: 251586
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by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
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genre: classical
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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
audio: Serenade in E flat, K.375: 2. Menuetto
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Bassoon Concerto in B-Flat Major, K. 191: III. Rondo. Tempo di menuetto
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by artist: Wiener Philharmoniker
by artist: Karl Böhm
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Bassoon Concerto in B-Flat Major, K. 191: III. Rondo. Tempo di menuetto
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Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
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by artist: Wiener Philharmoniker
by artist: Karl Böhm
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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
audio: Horn Concerto No. 4 in E-Flat Major, K. 495: I. Allegro maestoso
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Serenade in E flat, K.375: 4. Menuetto
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by artist: Wolfgang Amadeus Mozart
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by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
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genre: classical
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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
audio: Serenade in E flat, K.375: 4. Menuetto
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Serenade for Winds in C Minor, K. 388: I. Allegro
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duration ms: 515093
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by artist: Wolfgang Amadeus Mozart
by artist: Karl Mayrhofer
by artist: Günter Lorenz
by artist: Alfred Prinz
by artist: Christian Cubasch
by artist: Dietmar Zeman
by artist: Camillo Öhlberger
by artist: Roland Berger
by artist: Volker Altmann
by artist: Bläservereinigung der Wiener Philharmoniker
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genre: classical
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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: Serenade for Winds in C Minor, K. 388: I. Allegro
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Albinoni: Adagio in G Minor / Pachelbel: Canon
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track: Adagio in G Minor "Albinoni's Adagio"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
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track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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Karajan 1980s (Part 3)
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track: Stille Nacht, Heilige Nacht
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track: The Nutcracker Suite, Op. 71a: IIa. March
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bfb1a28455cce183d33d1f1414e0c6a9961da472c5969381c6deda200dd3f1c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702930.
date published: 2026-07-08T03:22:41Z

Es ist ein Ros' entsprungen
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 99.196
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.226
additional property: Energy
  type: PropertyValue
  value: 0.026
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.994
additional property: Instrumentalness
  type: PropertyValue
  value: 0.945
additional property: Liveness
  type: PropertyValue
  value: 0.087
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.173
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.795
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Sonata a 5
type: MusicRecording
duration: PT2M50S
duration ms: 170466
explicit: false
by artist: Vincenzo Albrici
by artist: Members of Berliner Philharmoniker
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF058002220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:08:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d3f459c240e7cb9b3ccff06159f764c49dab096a88d77de05644ac183229c72
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/DEF058002220
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3f459c240e7cb9b3ccff06159f764c49dab096a88d77de05644ac183229c72. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058002220.
  date published: 2026-07-08T03:22:41Z
audio: Sonata a 5
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.904
  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: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.332
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.246
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
type: MusicRecording
duration: PT3M49S
duration ms: 229000
explicit: false
by artist: Giuseppe Torelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF057000871
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:17:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5d81d83acf86e84cd1f90f01eae54b5a1848e0a12890298e6a5b123ef88ff33
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/DEF057000871
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d81d83acf86e84cd1f90f01eae54b5a1848e0a12890298e6a5b123ef88ff33. 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/DEF057000871.
  date published: 2026-07-08T03:20:19Z
audio: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.952
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.146
  additional property: Energy
    type: PropertyValue
    value: 0.281
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.916
  additional property: Liveness
    type: PropertyValue
    value: 0.273
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.496
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
type: MusicRecording
duration: PT1M50S
duration ms: 110000
explicit: false
by artist: Giuseppe Torelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF057000873
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:55:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x896c0ff639d065417b8d0f441818cf4f92068f5afb66f8532a409a8c3162b8bf
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/DEF057000873
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x896c0ff639d065417b8d0f441818cf4f92068f5afb66f8532a409a8c3162b8bf. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057000873.
  date published: 2026-07-08T08:56:20Z
audio: Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.685
  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: 0.261
  additional property: Energy
    type: PropertyValue
    value: 0.358
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.781
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.791
  additional property: Liveness
    type: PropertyValue
    value: 0.401
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.709
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Stille Nacht, Heilige Nacht
type: MusicRecording
duration: PT3M5S
duration ms: 185000
explicit: false
by artist: Franz Xaver Gruber
by artist: Brass Ensemble of the Berlin Philharmonic Orchestra
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF057702920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:34:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46d7c5d9e8f185936939095a3c4684f8a5c68278915bea3f23e03bb145a6318f
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/DEF057702920
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d7c5d9e8f185936939095a3c4684f8a5c68278915bea3f23e03bb145a6318f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702920.
  date published: 2026-07-08T08:56:20Z
audio: Stille Nacht, Heilige Nacht
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.22
  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: 0.122
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.937
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.85
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gigue in D Major, P. 37/2 (Orch. Seiffert) - Recorded 1969
type: MusicRecording
duration: PT2M0S
duration ms: 120800
explicit: false
by artist: Johann Pachelbel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF056900872
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:31:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2f998b8ff7bd575c2d87bcbee562a870a1e4a671daf94e3c61abcaee1bc0622
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/DEF056900872
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2f998b8ff7bd575c2d87bcbee562a870a1e4a671daf94e3c61abcaee1bc0622. 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/DEF056900872.
  date published: 2026-07-08T03:20:19Z
audio: Gigue in D Major, P. 37/2 (Orch. Seiffert) - Recorded 1969
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.936
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.491
  additional property: Energy
    type: PropertyValue
    value: 0.289
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.831
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.957
  additional property: Liveness
    type: PropertyValue
    value: 0.704
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.627
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
type: MusicRecording
duration: PT2M15S
duration ms: 135000
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF057200481
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:34:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd65ad1c1864c49d0044d3f9bed511e4246e7d8036c413e3f7aab5052b40248c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65ad1c1864c49d0044d3f9bed511e4246e7d8036c413e3f7aab5052b40248c3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF057200481.
  date published: 2026-07-08T03:53:27Z
audio: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.004
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.228
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.774
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.293
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.469
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: III. Allegro
type: MusicRecording
duration: PT3M17S
duration ms: 197346
explicit: false
by artist: Antonio Vivaldi
by artist: Michel Schwalbé
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Berliner Philharmoniker - The Christmas Album
  type: MusicAlbum
  date published: 2024-12-05
isrc code: DEF057200483
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T18:21:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5effa1d1883d35e1774d638f1eae9af8a0375ae947802ed94fb6bda427daa8c3
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/DEF057200483
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": I. Largo (Pastorale per il Santissimo Natale)
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": II. Largo
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Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": III. Allegro
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The Nutcracker Suite, Op. 71a: IIa. March
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The Nutcracker Suite, Op. 71a: IIb. Dance of the Sugar Plum Fairy
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The Nutcracker Suite, Op. 71a: IIc. Russian Dance (Trepak)
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Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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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
audio: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
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by artist: Michel Schwalbé
by artist: Thomas Brandis
by artist: Leon Spierer
by artist: Hans-Joachim Westphal
by artist: Eberhard Finke
by artist: Horst Gobel
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
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Violin Concerto in D Major, RV 234 "L'inquietudine": I. Allegro
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by artist: Waldemar Döling
by artist: Wolfgang Meyer
by artist: Ottomar Borwitzky
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Violin Concerto in D Major, RV 234 "L'inquietudine": I. Allegro
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Violin Concerto in D Major, RV 234 "L'inquietudine": II. Largo
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by artist: Waldemar Döling
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by artist: Ottomar Borwitzky
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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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
audio: Violin Concerto in D Major, RV 234 "L'inquietudine": II. Largo
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Violin Concerto in D Major, RV 234 "L'inquietudine": III. Allegro
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by artist: Ottomar Borwitzky
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Violin Concerto in D Major, RV 234 "L'inquietudine": III. Allegro
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Vesperae solennes de confessore, K. 339: V. Laudate Dominum - Live
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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
audio: Vesperae solennes de confessore, K. 339: V. Laudate Dominum - Live
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Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T11:43:09Z
audio: Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
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Notre Dame: Intermezzo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Notre Dame: Intermezzo
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: I. Allegro non molto
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subject of: OpenTimestamps Proof of Existence
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audio: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: I. Allegro non molto
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Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: III. Allegro
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: III. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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Mozart: Divertimento K.334; Serenata notturna K.239
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:34:59Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T20:41:57Z
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  subject of: OpenTimestamps Proof of Existence
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track: Divertimento in D Major, K. 334 (Orch. Perf.): VI. Rondo. Allegro
track: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
track: Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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OpenTimestamps Proof of Existence
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date published: 2026-07-07T13:25:45Z

Divertimento in D Major, K. 334 (Orch. Perf.): IV. Adagio
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Divertimento in D Major, K. 334 (Orch. Perf.): VI. Rondo. Allegro
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  date published: 2026-07-08T03:22:41Z
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Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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  date published: 2026-06-13T17:25:41Z
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Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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Christmas Adagio - Herbert von Karajan
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    date published: 2026-07-08T03:22:41Z
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track: Ancient Airs & Dances, Suite III, P. 172: III. Siciliana (Anonymous)
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track: Concerto grosso No. 6 in G Minor, Op. 6/6, HWV 324: III. Musette. Larghetto
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": I. Largo – II. Grave
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": V. Largo andante
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VI. Andante – Adagio
track: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VII. Pastorale. Largo Andante
track: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
track: Stille Nacht, Heilige Nacht
track: Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
track: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
track: Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
track: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
track: Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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track: The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
track: The Four Seasons, Autumn, Violin Concerto in F Major, Op. 8/3, RV 293: II. Adagio molto
track: Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro

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additional property: OTSTimestamp
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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
audio: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": V. Largo andante
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VI. Andante – Adagio
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duration ms: 142893
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by artist: Pietro Locatelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Dietrich Gerhardt
by artist: Hans Priem
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Christmas Adagio - Herbert von Karajan
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  date published: 2024-12-12
genre: baroque
genre: concerto
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VI. Andante – Adagio
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Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VII. Pastorale. Largo Andante
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duration: PT4M42S
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explicit: false
by artist: Pietro Locatelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Dietrich Gerhardt
by artist: Hans Priem
by artist: Ottomar Borwitzky
by artist: Wolfgang Meyer
by artist: Waldemar Döling
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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genre: baroque
genre: concerto
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additional property: OTSTimestamp
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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: Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": VII. Pastorale. Largo Andante
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Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
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by artist: Arcangelo Corelli
by artist: Thomas Brandis
by artist: Emil Maas
by artist: Ottomar Borwitzky
by artist: Waldemar Döling
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Christmas Adagio - Herbert von Karajan
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genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
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Stille Nacht, Heilige Nacht
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duration: PT3M5S
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explicit: false
by artist: Franz Xaver Gruber
by artist: Brass Ensemble of the Berlin Philharmonic Orchestra
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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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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d7c5d9e8f185936939095a3c4684f8a5c68278915bea3f23e03bb145a6318f. 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/DEF057702920.
  date published: 2026-07-08T03:20:19Z
audio: Stille Nacht, Heilige Nacht
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Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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duration: PT5M6S
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by artist: Frank Maus
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Canon and Gigue in D Major, P. 37: Canon in D Major, P. 37/1 (Orch. Seiffert) - Recorded 1983
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Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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by artist: Johann Pachelbel
by artist: Frank Maus
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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isrc code: DEF058300612
additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": III. Largo – IV. Presto
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Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": V. Il sonno. Largo – VI. Allegro
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Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
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Serenata notturna in D Major, K. 239: II. Menuetto – Trio
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Serenata notturna in D Major, K. 239: III. Rondeau Allegretto – Adagio – Allegro
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Adagio in G Minor "Albinoni's Adagio" - Recorded 1983
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subject of: OpenTimestamps Proof of Existence
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The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
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The Four Seasons, Autumn, Violin Concerto in F Major, Op. 8/3, RV 293: II. Adagio molto
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Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro
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  date published: 2026-07-08T03:53:27Z
audio: Violin Concerto in E Major, RV 271 "L'amoroso": I. Allegro
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Best of Berliner Philharmoniker 2024
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track: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Excerpt
track: The Moldau (From Má Vlast), JB 1:112 - Version 1960
track: Piano Concerto No. 5 in E flat major Op. 73 -"Emperor": 2. Adagio un poco mosso - Excerpt
track: Requiem, K. 626: IIIf. Lacrimosa - Recorded 1962
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd747038a6b88752e32d5add9212a421bb42036a02ef403430508d107cd9628b1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF056000176.
date published: 2026-07-08T03:53:27Z

12 Contredanses, WoO 14: No. 6 in C Major
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Excerpt
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duration: PT3M16S
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explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Lorin Maazel
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055800865
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7ef7a466045b4d4a96a334ef8968ab931f8e55d5aceaa840a13b0bb4423723. 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/DEF055800865.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio - Excerpt
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The Moldau (From Má Vlast), JB 1:112 - Version 1960
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by artist: Bedřich Smetana
by artist: Berliner Philharmoniker
by artist: Ferenc Fricsay
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: late-romantic-era
genre: czech-classical
genre: early-modern-classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056001710
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af895d8e43c8cfea7da13b829dcf0dfb619513ee79a50a7ab7bb236127cf260. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF056001710.
  date published: 2026-07-08T03:53:27Z
audio: The Moldau (From Má Vlast), JB 1:112 - Version 1960
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Piano Concerto No. 5 in E flat major Op. 73 -"Emperor": 2. Adagio un poco mosso - Excerpt
type: MusicRecording
duration: PT7M8S
duration ms: 428893
explicit: false
by artist: Ludwig van Beethoven
by artist: Wilhelm Kempff
by artist: Berliner Philharmoniker
by artist: Ferdinand Leitner
in album: Best of Berliner Philharmoniker 2024
  type: MusicAlbum
  date published: 2024-05-02
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF056101756
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056101756
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b72bf46f6446f46868ddcd46befcce6b842fed5732b724e95fdbd96d5f1c2d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056101756.
  date published: 2026-07-08T03:22:41Z
audio: Piano Concerto No. 5 in E flat major Op. 73 -"Emperor": 2. Adagio un poco mosso - Excerpt
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Requiem, K. 626: IIIf. Lacrimosa - Recorded 1962
type: MusicRecording
duration: PT3M28S
duration ms: 208840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Wolfgang Meyer
by artist: Wiener Singverein
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x932e0a523d74b6544cc35b8a05e4ca85a368601420fdfb01ead3444ee4e77464. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF056131201.
  date published: 2026-07-08T03:53:27Z
audio: Requiem, K. 626: IIIf. Lacrimosa - Recorded 1962
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Symphony No. 8 in B Minor, D. 759 "Unfinished": I. Allegro moderato
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duration: PT11M33S
duration ms: 693826
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by artist: Franz Schubert
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Best of Berliner Philharmoniker 2024
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genre: classical
genre: classical-piano
genre: chamber-music
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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: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa1fcc4ccc028cb5aab0413fa74eb8f4ed65958b978529648da3dbc8c812c16. 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/DEF056400531.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 8 in B Minor, D. 759 "Unfinished": I. Allegro moderato
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Coriolan, Op. 62: Coriolan Overture, Op. 62 - Recorded 1966
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duration: PT8M59S
duration ms: 539000
explicit: false
by artist: Ludwig van Beethoven
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Best of Berliner Philharmoniker 2024
  type: MusicAlbum
  date published: 2024-05-02
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF056500090
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: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42171424319c333cad2cc73260def50b878fa381b0d4cd06f7a10e483df1e0c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF056500090.
  date published: 2026-07-08T03:53:27Z
audio: Coriolan, Op. 62: Coriolan Overture, Op. 62 - Recorded 1966
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Karajan 1980s (Part 4)
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date published: 2014-01-01

An Era of Classical: Mozart
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track: Six German Dances, K.600: No. 5 in G (Trio: Der Kanarienvogel)
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  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/GBBBA5673506
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23637e4b1d733b569094f99c21517be2df62d6159729acfbb8870829b340ede1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA5673506.
    date published: 2026-07-08T08:56:20Z
  audio: Six German Dances, K.600: No. 5 in G (Trio: Der Kanarienvogel)
    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
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    additional property: Danceability
      type: PropertyValue
      value: 0.535
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.987
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.622
    additional property: Liveness
      type: PropertyValue
      value: 0.404
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.646
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.497
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Fugue in A Minor (Fragment), K.15ss
  type: MusicRecording
  duration: PT0M40S
  duration ms: 40680
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Florian Birsak
  in album: An Era of Classical: Mozart
    type: MusicAlbum
    date published: 2024-12-15
  genre: classical
  genre: classical-era
  isrc code: GBF071601330
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:40:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x03d27554f1a3bac839b75daf88ab0f82295146355888848a0158e2262d43e815
  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/GBF071601330
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d27554f1a3bac839b75daf88ab0f82295146355888848a0158e2262d43e815. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071601330.
    date published: 2026-07-08T08:56:20Z
  audio: Fugue in A Minor (Fragment), K.15ss
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.628
    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: 0.382
    additional property: Energy
      type: PropertyValue
      value: 0.256
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.751
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.697
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.343
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Minuet in B Flat Major & Trio in E Flat Major, K15pp/qq
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133773
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Erik Smith
  in album: An Era of Classical: Mozart
    type: MusicAlbum
    date published: 2024-12-15
  genre: classical
  genre: classical-era
  isrc code: NLA507613673
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:27:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf7c155e96ed0288e64f262c92479da86aca685c8303e88e77e969920f64a2400
  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: Minuet in B Flat Major & Trio in E Flat Major, K15pp/qq
track: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": 1. Allegro
track: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Theme
track: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 2
track: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 5
track: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 6
track: Divertimento in B flat, K.270: 4. Presto

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507613673

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c155e96ed0288e64f262c92479da86aca685c8303e88e77e969920f64a2400. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507613673.
date published: 2026-07-08T03:22:41Z

Minuet in B Flat Major & Trio in E Flat Major, K15pp/qq
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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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: 0.463
additional property: Energy
  type: PropertyValue
  value: 0.185
additional property: Speechiness
  type: PropertyValue
  value: 0.053
additional property: Acousticness
  type: PropertyValue
  value: 0.755
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.076
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.637
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.582
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Serenade in G Major, K. 525 "Eine kleine Nachtmusik": 1. Allegro
type: MusicRecording
duration: PT4M4S
duration ms: 244880
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Mozart Ensemble
by artist: Willi Boskovsky
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: GBF076813600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:41:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc76ba5c08a08dd94b31c2a54b7f85da645b014da0041fcd3158e4c81b8a4d042
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/GBF076813600
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76ba5c08a08dd94b31c2a54b7f85da645b014da0041fcd3158e4c81b8a4d042. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076813600.
  date published: 2026-07-02T03:30:09Z
audio: Serenade in G Major, K. 525 "Eine kleine Nachtmusik": 1. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.931
  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: 0.454
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.9
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.325
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.824
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in F Major, K. 377: II. Andante con variazioni: Theme
type: MusicRecording
duration: PT1M19S
duration ms: 79466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Arthur Grumiaux
by artist: Walter Klien
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: NLA508021044
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:50:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26421155ba63c43cd5e4ad12ee26a2a0f3f93439933f2f6a492695dc089a65a9
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/NLA508021044
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26421155ba63c43cd5e4ad12ee26a2a0f3f93439933f2f6a492695dc089a65a9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021044.
  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Theme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.778
  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: 0.391
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.551
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.303
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 2
type: MusicRecording
duration: PT5M8S
duration ms: 308000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Arthur Grumiaux
by artist: Walter Klien
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: NLA508021046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T22:22:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43de3d6376e23489d4e2f705a07f95cd91b0f7590ecb8defb7a581c0f8c49a3f
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/NLA508021046
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43de3d6376e23489d4e2f705a07f95cd91b0f7590ecb8defb7a581c0f8c49a3f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021046.
  date published: 2026-07-02T03:55:08Z
audio: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 2
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.851
  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: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.421
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.416
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.672
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 5
type: MusicRecording
duration: PT1M11S
duration ms: 71440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Arthur Grumiaux
by artist: Walter Klien
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: NLA508021049
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:18:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad00825528292b03d2c10b4427c69a649fe09dc6dd4ba14a70647de5a33313f1
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/NLA508021049
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad00825528292b03d2c10b4427c69a649fe09dc6dd4ba14a70647de5a33313f1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021049.
  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 5
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.018
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.452
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.162
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.563
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.383
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 6
type: MusicRecording
duration: PT1M48S
duration ms: 108133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Arthur Grumiaux
by artist: Walter Klien
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: NLA508021050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:39:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d02e3f6af98491d9f1807be6f180bca7f950aee2d0d4af44656602395b2610b
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/NLA508021050
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d02e3f6af98491d9f1807be6f180bca7f950aee2d0d4af44656602395b2610b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021050.
  date published: 2026-07-08T03:22:41Z
audio: Violin Sonata in F Major, K. 377: II. Andante con variazioni: Var. 6
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.329
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.851
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.659
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Divertimento in B flat, K.270: 4. Presto
type: MusicRecording
duration: PT1M25S
duration ms: 85013
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bläservereinigung der Wiener Philharmoniker
by artist: Gerhard Turetschek
by artist: Günter Lorenz
by artist: Günter Högner
by artist: Volker Altmann
by artist: Dietmar Zeman
by artist: Reinhard Öhlberger
in album: An Era of Classical: Mozart
  type: MusicAlbum
  date published: 2024-12-15
genre: classical
genre: classical-era
isrc code: DEF057901154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:12:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a00587114a27958120f68f7729ffad0967809d50682643ec946adb6dd25cd5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901154
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a00587114a27958120f68f7729ffad0967809d50682643ec946adb6dd25cd5e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF057901154.
  date published: 2026-07-08T03:53:27Z
audio: Divertimento in B flat, K.270: 4. Presto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.259
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.483
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.756
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.688
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.646
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
type: MusicAlbum
date published: 2018-01-01
track: Fleißig, fleißig
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122026
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Will Quadflieg
  by artist: Unterstufenchor Des Hansa-Gymnasiums, Hamburg-Bergedorf
  in album: Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
    type: MusicAlbum
    date published: 2018-01-01
  genre: classical
  genre: classical-era
  isrc code: DEF058331252
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:29:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7975b88d17328bb23ad378b70fd3c6d0de45ec82e36c2b2c9e565105905829eb
  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/DEF058331252
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7975b88d17328bb23ad378b70fd3c6d0de45ec82e36c2b2c9e565105905829eb. 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/DEF058331252.
    date published: 2026-07-08T03:20:19Z
  audio: Fleißig, fleißig
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.191
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.744
    additional property: Energy
      type: PropertyValue
      value: 0.167
    additional property: Speechiness
      type: PropertyValue
      value: 0.923
    additional property: Acousticness
      type: PropertyValue
      value: 0.92
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.281
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.513
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.829
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: So viel Talent
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305226
  explicit: false
  by artist: Joseph Haydn
  by artist: Will Quadflieg
  by artist: Koichiro Harada
  by artist: Yoshiko Nakura
  by artist: Kazuhide Isomura
  by artist: Sadao Harada
  in album: Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
    type: MusicAlbum
    date published: 2018-01-01
  isrc code: DEF058331253
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:57:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbd8a421cdaa647ba39ef5309611b26cfe24041ec2dac4854115be9efbe3fc444
  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/DEF058331253
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8a421cdaa647ba39ef5309611b26cfe24041ec2dac4854115be9efbe3fc444. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331253.
    date published: 2026-07-08T03:22:41Z
  audio: So viel Talent
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.951
    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: 0.723
    additional property: Energy
      type: PropertyValue
      value: 0.136
    additional property: Speechiness
      type: PropertyValue
      value: 0.924
    additional property: Acousticness
      type: PropertyValue
      value: 0.687
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.196
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.418
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.118
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Leben im Internat
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146373
  explicit: false
  by artist: Ludwig van Beethoven
  by artist: Will Quadflieg
  by artist: Wiener Philharmoniker
  by artist: Karl Böhm
  in album: Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
    type: MusicAlbum
    date published: 2018-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: DEF058331255
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  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: Leben im Internat
track: Ein guter Freund
track: Opernbesuch und Imitation
track: Auf Wanderschaft

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T14:12:55+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb2114d205c30379213d7e34dcb7749b1816f5761a05cc42cd3b0a7e278d89d72

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/DEF058331255

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2114d205c30379213d7e34dcb7749b1816f5761a05cc42cd3b0a7e278d89d72. 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/DEF058331255.
date published: 2026-07-08T03:20:19Z

Leben im Internat
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 144.65
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: 0.631
additional property: Energy
  type: PropertyValue
  value: 0.148
additional property: Speechiness
  type: PropertyValue
  value: 0.813
additional property: Acousticness
  type: PropertyValue
  value: 0.912
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.356
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.456
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.893
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Ein guter Freund
type: MusicRecording
duration: PT4M25S
duration ms: 265560
explicit: false
by artist: Franz Schubert
by artist: Will Quadflieg
by artist: Fritz Wunderlich
by artist: Hubert Giesen
in album: Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
  type: MusicAlbum
  date published: 2018-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF058331256
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:28:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a3cdf90e09ab72104c72b41e08f298233b9d11c211a5c609ed1c28e6532adb7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058331256
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3cdf90e09ab72104c72b41e08f298233b9d11c211a5c609ed1c28e6532adb7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEF058331256.
  date published: 2026-07-08T03:53:27Z
audio: Ein guter Freund
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.814
  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: 0.649
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.863
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.329
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.955
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Opernbesuch und Imitation
type: MusicRecording
duration: PT3M18S
duration ms: 198880
explicit: false
by artist: Gioachino Rossini
by artist: Franz Schubert
by artist: Will Quadflieg
by artist: London Symphony Orchestra
by artist: Staatskapelle Dresden
by artist: Claudio Abbado
by artist: Wolfgang Sawallisch
in album: Wir entdecken Komponisten: Franz Schubert – Die verschwundene Symphonie
  type: MusicAlbum
  date published: 2018-01-01
genre: classical
genre: opera
isrc code: DEF058331263
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:07:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8faaf84548d48c47340f8ad1b798fa53cdc2ba44c735f71ea6f5d017119b4954
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/DEF058331263
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8faaf84548d48c47340f8ad1b798fa53cdc2ba44c735f71ea6f5d017119b4954. 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/DEF058331263.
  date published: 2026-07-08T03:20:19Z
audio: Opernbesuch und Imitation
  type: AudioObject
  additional property: Tempo (BPM)
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Auf Wanderschaft
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Eine kleine Nachtmusik
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Beethoven: Kammermusik Für Bläser - Chamber Music For Wind Instruments - Musique De Chambre Pour Instruments Á Vent
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Mendelssohn: Octet; Beethoven: Septet
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Mozart, W.A.: Serenade No.13 In G K.525 "Eine Kleine Nachtmusik"; Serenade No.6 In D Major, K.239; Serenade No.10 In B Flat Major, K.361 "Gran Partita"
type: MusicAlbum
date published: 1971-01-01

Eine kleine Schatzmusik
type: MusicAlbum
date published: 2007-01-01

Eine kleine Wassermusik [Eloquence Junior]
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date published: 2009-01-01

Mozart Weekend
type: MusicAlbum
date published: 2005-01-01

Romantik & Sehnsucht
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date published: 2012-01-01