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genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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album: Edition Staatskapelle Dresden, Vol. 51
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  date published: 2022-01-07
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
    audio: Ich hatte viel Bekümmernis, BWV 21: No. 1, Sinfonia
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      date published: 2026-07-08T08:56:20Z
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album: Mahler: Symphony No.2 'Resurrection'
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album: Martin: Die Weise von Liebe und Tod des Cornets Christoph Rilke
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album: Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
album: Prokofiev: Alexander Nevsky; The Stone Flower; Lieutenant Kijé etc.
album: Carlo Maria Giulini - The Complete Sony Recordings
album: Hallelujah! - Famous Handel Choruses
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Beethoven: The Symphonies
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Songs by Dutch Composers
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Mahler: Symphony No.2 'Resurrection'
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track: Symphony No. 2 in C Minor Resurrection: II. Andante Moderato
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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    date published: 2026-07-08T08:56:20Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:20:19Z
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track: Symphony No. 2 "Resurrection": V. "O Glaube, mein Herz" Etwas bewegter

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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  date published: 2026-07-08T03:53:27Z
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Schumann - Wolf - Dvorak
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Martin: Die Weise von Liebe und Tod des Cornets Christoph Rilke
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509301103
  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 0xbdb82175d8c2ecbe01020ff6c3bb15cdcc30bbd2d2c132f269717afae4f23b83. 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/NLA509301103.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 2 in C minor - "Resurrection": 3. Scherzo: In ruhig fliessender Bewegung
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.344
    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: 0.257
    additional property: Energy
      type: PropertyValue
      value: 0.038
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.926
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.634
    additional property: Liveness
      type: PropertyValue
      value: 0.323
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.239
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.467
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Symphony No. 2 in C minor - "Resurrection": 5c. Sehr langsam und gedehnt -
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145506
  explicit: false
  by artist: Gustav Mahler
  by artist: Berliner Philharmoniker
  by artist: Bernard Haitink
  in album: Mahler: Symphony No. 2
    type: MusicAlbum
    date published: 1994-01-01
  popularity: 1
  genre: classical
  genre: orchestra
  isrc code: NLA509301107
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:29:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x12a94a0ce91a4b4c4922cd3337f4f4cd8fab4b35979145240724ea7edfcd0f8b
  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/NLA509301107
  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 0x12a94a0ce91a4b4c4922cd3337f4f4cd8fab4b35979145240724ea7edfcd0f8b. 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/NLA509301107.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 2 in C minor - "Resurrection": 5c. Sehr langsam und gedehnt -
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.72
    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: 0.083
    additional property: Energy
      type: PropertyValue
      value: 0.005
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.735
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.372
    additional property: Liveness
      type: PropertyValue
      value: 0.072
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -43.301
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Beethoven: Symphony No. 9
type: MusicAlbum
date published: 1993-07-01

Mahler: Symphony No.3
type: MusicAlbum
date published: 1991-01-01
track: Symphony No. 3: IV. Sehr langsam. Misterioso. O Mensch! Gib acht!
  type: MusicRecording
  duration: PT9M44S
  duration ms: 584493
  explicit: false
  by artist: Gustav Mahler
  by artist: Jard van Nes
  by artist: Berliner Philharmoniker
  by artist: Bernard Haitink
  in album: Mahler: Symphony No.3
    type: MusicAlbum
    date published: 1991-01-01
  popularity: 1
  genre: classical
  genre: orchestra
  isrc code: NLA509001304
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:31:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0fe41b88b07b9a5f8bd9f27d09ce6f4da6da354e4c75a19cca16736bb31d00be
  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/NLA509001304
  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 0x0fe41b88b07b9a5f8bd9f27d09ce6f4da6da354e4c75a19cca16736bb31d00be. 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/NLA509001304.
    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 3: IV. Sehr langsam. Misterioso. O Mensch! Gib acht!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.826
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.117
    additional property: Energy
      type: PropertyValue
      value: 0.016
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.054
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.032
    additional property: Loudness (dB)
      type: PropertyValue
      value: -34.077
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Brahms: Works for Chorus & Orchestra
type: MusicAlbum
date published: 1991-01-01
track: Schicksalslied, Op. 54
  type: MusicRecording
  duration: PT17M9S
  duration ms: 1029160
  explicit: false
  by artist: Johannes Brahms
  by artist: San Francisco Symphony Chorus
  by artist: San Francisco Symphony
  by artist: Herbert Blomstedt
  in album: Brahms: Works for Chorus & Orchestra
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  isrc code: GBF078910461
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T12:24:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28d4fa245babb22f1f1b5d6685dcae2f9d3414508262f047d3c0a4c6e7ac1bdb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  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/GBF078910461
  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 0x28d4fa245babb22f1f1b5d6685dcae2f9d3414508262f047d3c0a4c6e7ac1bdb. 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/GBF078910461.
    date published: 2026-07-02T03:30:09Z
  audio: Schicksalslied, Op. 54
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.28
    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: 0.085
    additional property: Energy
      type: PropertyValue
      value: 0.029
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.899
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.969
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Rhapsody for Alto, Chorus, and Orchestra, Op. 53
  type: MusicRecording
  duration: PT13M29S
  duration ms: 809333
  explicit: false
  by artist: Johannes Brahms
  by artist: Jard van Nes
  by artist: San Francisco Symphony Chorus
  by artist: San Francisco Symphony
  by artist: Herbert Blomstedt
  in album: Brahms: Works for Chorus & Orchestra
    type: MusicAlbum
    date published: 1991-01-01
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  isrc code: GBF078910462
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T13:29:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42c745f2f32673ddd4035706439d0f6ff6c5d17b80f718d4eb936704bf49cff3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078910462
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  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 0x42c745f2f32673ddd4035706439d0f6ff6c5d17b80f718d4eb936704bf49cff3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078910462.
    date published: 2026-07-02T05:09:12Z
  audio: Rhapsody for Alto, Chorus, and Orchestra, Op. 53
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.881
    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: 0.172
    additional property: Energy
      type: PropertyValue
      value: 0.137
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.98
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.033
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.034
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.528
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mahler: Symphony No. 6 / Zemlinsky: Six Songs
type: MusicAlbum
date published: 1990-09-01

Berio: Formazioni; Folk Songs; Sinfonia
type: MusicAlbum
date published: 1990-01-01
track: Folk Songs: 1. Black is the colour (USA)
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181306
  explicit: false
  by artist: Luciano Berio
  by artist: Jard van Nes
  by artist: Royal Concertgebouw Orchestra
  by artist: Riccardo Chailly
  in album: Berio: Formazioni; Folk Songs; Sinfonia
    type: MusicAlbum
    date published: 1990-01-01
  popularity: 1
  isrc code: GBF078940801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:59:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8fd215524bb6d905a549ccf04ad2c2d30c2eeaf7b3a2fb377438284a3fa55b9e
  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/GBF078940801
  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 0x8fd215524bb6d905a549ccf04ad2c2d30c2eeaf7b3a2fb377438284a3fa55b9e. 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/GBF078940801.
    date published: 2026-07-08T03:53:27Z
  audio: Folk Songs: 1. Black is the colour (USA)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.552
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.222
    additional property: Energy
      type: PropertyValue
      value: 0.018
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.972
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.15
    additional property: Loudness (dB)
      type: PropertyValue
      value: -35.762
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Folk Songs: 3. Loosin yelav (Armenia)
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154306
  explicit: false
  by artist: Luciano Berio
  by artist: Jard van Nes
  by artist: Royal Concertgebouw Orchestra
  by artist: Riccardo Chailly
  in album: Berio: Formazioni; Folk Songs; Sinfonia
    type: MusicAlbum
    date published: 1990-01-01
  popularity: 1
  isrc code: GBF078940803
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:00:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x84d2aac4e01f801e182a5103ae16deca432d32f66a0e4b0a603ea324df9522da
  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/GBF078940803
  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 0x84d2aac4e01f801e182a5103ae16deca432d32f66a0e4b0a603ea324df9522da. 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/GBF078940803.
    date published: 2026-07-08T03:53:27Z
  audio: Folk Songs: 3. Loosin yelav (Armenia)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.839
    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: 0.257
    additional property: Energy
      type: PropertyValue
      value: 0.099
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.229
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.24
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.206
    additional property: Key Name
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Folk Songs: 11. Azerbaijan love song
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Bach: Cantatas Bwv 35 & 170
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Brahms Lieder
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Mozart - The 50 Best Classical Masterpieces
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Györgi Ligeti Masterworks
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Harnoncourt conducts Handel
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The 50 Absolute Essentials of Classical Music
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Wagner: Götterdämmerung
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Chorszenen und Konzertchöre in Rundfunkaufnahmen ab 1938
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Prokofiev: Alexander Nevsky; The Stone Flower; Lieutenant Kijé etc.
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Carlo Maria Giulini - The Complete Sony Recordings
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Hallelujah! - Famous Handel Choruses
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Schubert: Mass in E-Flat Major, D. 950
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Strauss & Wagner: Vocal and Orchestral Works
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Musica Sacra Vol. 5 - Petite Messe Solennelle
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Mozart: Die Zauberflöte
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track: Die Zauberflöte, K. 620, Act I: No. 2, Der Vogelfänger bin ich ja – Dialogue. He da!
track: Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön – Dialogue. Rüste dich mit Mut
track: Die Zauberflöte, K. 620, Act I: No. 4, O zittre nicht, mein lieber Sohn!
track: Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
track: Die Zauberflöte, K. 620, Act I: No. 5, Hm! hm! hm! hm! – Dialogue. Ha, ha, ha!
track: Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen – Dialogue. Hier seid ihr euch beide allein überlassen
track: Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
track: Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's – Dialogue. Nicht wahr, Tamino
track: Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne – Dialogue. Prinz, dein betragen
track: Die Zauberflöte, K. 620, Act I: No. 8, Finale: b. Die Weisheitslehre dieser Knaben
track: Die Zauberflöte, K. 620, Act II: No. 19, Soll ich dich, Teurer, nicht mehr sehn? – Dialogue. Tamino! Tamino!
track: Die Zauberflöte, K. 620, Act I: No. 8, Finale: g. Es lebe Sarastro! Sarastro lebe!
track: Die Zauberflöte, K. 620, Act II: No. 21, Finale: c. Chorale Prelude. Der, welcher wandelt diese Straße
track: Die Zauberflöte, K. 620, Act II: No. 21, Finale: d. Tamino mein, o welch ein Glück
track: Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
track: Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
track: Die Zauberflöte, K. 620, Act II: No. 21, Finale: h. Nur stille, stille

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Die Zauberflöte, K. 620, Act I: No. 2, Der Vogelfänger bin ich ja – Dialogue. He da!
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Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön – Dialogue. Rüste dich mit Mut
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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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  value: 2026-06-13T12:47:07Z
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a15e60b489a661d75f62427ae5740e8eed5a9e39216f0ad5a2550d5a21c84b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBF079041922.
  date published: 2026-06-13T12:47:07Z
audio: Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act I: No. 5, Hm! hm! hm! hm! – Dialogue. Ha, ha, ha!
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duration: PT6M27S
duration ms: 387200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michael Kraus
by artist: Uwe Heilmann
by artist: Adrianne Pieczonka
by artist: Annette Kuettenbaum
by artist: Jard van Nes
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
genre: classical
genre: classical-era
isrc code: GBF079041906
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additional property: CopyrightStatus
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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/GBF079041906
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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2a13a5f69cd19a7875fd9fd4d2843e6e85ba4e3dfb44ced35639e47ffdf6f2. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBF079041906.
  date published: 2026-07-02T11:38:34Z
audio: Die Zauberflöte, K. 620, Act I: No. 5, Hm! hm! hm! hm! – Dialogue. Ha, ha, ha!
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Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen – Dialogue. Hier seid ihr euch beide allein überlassen
type: MusicRecording
duration: PT6M43S
duration ms: 403360
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurt Moll
by artist: Andreas Schmidt
by artist: Hans Joachim Porcher
by artist: Michael Kraus
by artist: Uwe Heilmann
by artist: Lotte Leitner
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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/GBF079041923
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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 0x5501eaa3ab2fd5953896bfe1b7cf975aea8c76c164dabeb79c0ca3515598a2a5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBF079041923.
  date published: 2026-07-02T11:38:34Z
audio: Die Zauberflöte, K. 620, Act II: No. 15, In diesen heil'gen Hallen – Dialogue. Hier seid ihr euch beide allein überlassen
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  additional property: Danceability
    type: PropertyValue
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Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
type: MusicRecording
duration: PT2M50S
duration ms: 170666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ruth Ziesak
by artist: Michael Kraus
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
genre: classical
genre: classical-era
isrc code: GBF079041908
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0x3e45826593e0511623ceba885788e468b84fb7cd45947136d0c1c027f84ec11a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBF079041908.
  date published: 2026-07-02T11:34:59Z
audio: Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's – Dialogue. Nicht wahr, Tamino
type: MusicRecording
duration: PT5M38S
duration ms: 338826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ruth Ziesak
by artist: Michael Kraus
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
genre: classical
genre: classical-era
isrc code: GBF079041925
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041925
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 0x66a5dde780b0497925e8995f84b46aff6ddb7236fa2e17e3634b43a8c0f6e622. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBF079041925.
  date published: 2026-07-06T01:25:57Z
audio: Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's – Dialogue. Nicht wahr, Tamino
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne – Dialogue. Prinz, dein betragen
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duration: PT3M35S
duration ms: 215706
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurt Moll
by artist: Ruth Ziesak
by artist: Uwe Heilmann
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957048
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041926
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:18:56Z
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 0xd5ef9ad5d39b948f07990c40c96f0ab7eb852c1343c54065efee27a841c59d85. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBF079041926.
  date published: 2026-07-07T14:18:56Z
audio: Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne – Dialogue. Prinz, dein betragen
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act I: No. 8, Finale: b. Die Weisheitslehre dieser Knaben
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duration: PT1M56S
duration ms: 116200
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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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: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041910
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 0xe9d6a65c55de5142861a4d822603fe1541d8f24419fee2c4e17c52347cb8dd02. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBF079041910.
  date published: 2026-07-07T18:50:38Z
audio: Die Zauberflöte, K. 620, Act I: No. 8, Finale: b. Die Weisheitslehre dieser Knaben
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act II: No. 19, Soll ich dich, Teurer, nicht mehr sehn? – Dialogue. Tamino! Tamino!
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duration: PT5M1S
duration ms: 301426
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ruth Ziesak
by artist: Kurt Moll
by artist: Uwe Heilmann
by artist: Michael Kraus
by artist: Andreas Schmidt
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
genre: classical
genre: classical-era
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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 0x6dc1bf53b451a2a22221600567ddbb3416ed3261101c9e48959ce47cf33be1eb. 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/GBF079041927.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act II: No. 19, Soll ich dich, Teurer, nicht mehr sehn? – Dialogue. Tamino! Tamino!
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Die Zauberflöte, K. 620, Act I: No. 8, Finale: g. Es lebe Sarastro! Sarastro lebe!
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duration: PT1M39S
duration ms: 99506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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genre: classical
genre: classical-era
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92414a0bbd0f5011013a13f3be445f447fe6468abef6c4b5599b79ee038c23f3. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBF079041914.
  date published: 2026-07-07T18:50:38Z
audio: Die Zauberflöte, K. 620, Act I: No. 8, Finale: g. Es lebe Sarastro! Sarastro lebe!
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: c. Chorale Prelude. Der, welcher wandelt diese Straße
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duration: PT4M35S
duration ms: 275933
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Hans Franzen
by artist: Robert Hauer-Riedl
by artist: Uwe Heilmann
by artist: Ruth Ziesak
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: classical-era
isrc code: GBF079041931
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041931
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 0x3ed406a573d80c723ee3bd87f0b83efbbe1e0353493adcdfde550ccac615538e. 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/GBF079041931.
  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Act II: No. 21, Finale: c. Chorale Prelude. Der, welcher wandelt diese Straße
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: d. Tamino mein, o welch ein Glück
type: MusicRecording
duration: PT3M11S
duration ms: 191693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Ruth Ziesak
by artist: Uwe Heilmann
by artist: Hans Franzen
by artist: Robert Hauer-Riedl
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
genre: classical
genre: classical-era
isrc code: GBF079041932
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041932
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 0xe021bf33c8a583fa0562874803fc4dc2c8f27cbaf9fe06e3747142d0d55f2360. 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/GBF079041932.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act II: No. 21, Finale: d. Tamino mein, o welch ein Glück
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
type: MusicRecording
duration: PT3M12S
duration ms: 192653
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Kurt Moll
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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  date published: 1991-01-01
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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079041917
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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 0x7adbcc305613303110bf42a58a5e182dc5aa2103c0208d143831b55ccb5e7e14. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBF079041917.
  date published: 2026-06-13T17:25:41Z
audio: Die Zauberflöte, K. 620, Act II: No. 10, O Isis und Osiris
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
type: MusicRecording
duration: PT2M18S
duration ms: 138800
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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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: CopyrightChainExplorerURL
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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/GBF079041935
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 0xbe5d77bc40c1114f93ce13d800f1f5b0527c4a0f4bc29b1c3ff379ebb87f9595. 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/GBF079041935.
  date published: 2026-07-02T03:30:09Z
audio: Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
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  additional property: Musical Key
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  additional property: Valence (Positivity)
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: h. Nur stille, stille
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duration: PT2M5S
duration ms: 125440
explicit: false
by artist: Wolfgang Amadeus Mozart
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by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: Mozart: Die Zauberflöte
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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: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Die Zauberflöte, K. 620, Act II: No. 21, Finale: h. Nur stille, stille
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Brahms: Symphony No.4; Alto Rhapsody; Nanie
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track: Symphony No. 4 in E minor, Op. 98: 1. Allegro non troppo
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 4 in E minor, Op. 98: 1. Allegro non troppo
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track: Schicksalslied, Op. 54
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  by artist: Herbert Blomstedt
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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: 2026-06-13T15:41:10Z
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  by artist: San Francisco Symphony
  by artist: Herbert Blomstedt
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  subject of: OpenTimestamps Proof of Existence
  audio: Rhapsody for Alto, Chorus, and Orchestra, Op. 53

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c745f2f32673ddd4035706439d0f6ff6c5d17b80f718d4eb936704bf49cff3. 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/GBF078910462.
date published: 2026-07-02T03:55:08Z

Rhapsody for Alto, Chorus, and Orchestra, Op. 53
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additional property: Tempo (BPM)
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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: 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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Mahler: Symphonie Nr. 2
type: MusicAlbum
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track: Symphony No. 2 in C Minor, "Resurrection": IV. Urlicht: Sehr feierlich, aber schlicht
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  by artist: Charlotte Margiono
  by artist: Jard van Nes
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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Top 10 Mozart
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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: Le nozze di Figaro, K. 492: Overture
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track: Clarinet Concerto in A Major, K. 622: II. Adagio
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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: Clarinet Concerto in A Major, K. 622: II. Adagio
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track: Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
track: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
track: Le nozze di Figaro, K. 492: Che soave zeffiretto
track: Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
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Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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  date published: 2026-07-08T03:53:27Z
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Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze. Andante
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Le nozze di Figaro, K. 492: Che soave zeffiretto
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subject of: OpenTimestamps Proof of Existence
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audio: Le nozze di Figaro, K. 492: Che soave zeffiretto
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Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
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  date published: 2026-07-08T03:20:19Z
audio: Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
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    date published: 2026-07-08T03:22:41Z
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