Carl Maria von Weber Men's Choir, Berlin
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genre: choral
popularity: 13
followers: 210
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album: Schubert, F.: Choral Music
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  date published: 2009-01-01
  track: Winterreise, Op. 89, D. 911: No. 5. Der Lindenbaum
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    by artist: Leipzig Radio Chorus, male section
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-07T14:50:41Z
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  track: Ellens Gesang III (Ave Maria!), Op. 56, No. 6, D. 839, "Hymne an die Jungfrau"
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:55:08Z
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album: Choral Music (100 Masterpieces)
album: Choral Music (Sacred) - Handel, G.F. / Mozart, W.A. / Haydn, F.J. / Beethoven, L. Van / Bach, J.S. / Mendelssohn, Felix / Bruckner, A.
album: Am Brunnen vor dem Tore
album: Goethe And Music, Vol. 2 - Wolf, H. / Schubert, F. / Mozart, W.A. / Beethoven, L. Van / Schumann, R. / Brahms. J. / Liszt, F. / Mendelssohn, Felix
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album: Berlin Castles (Music From) - Graun, J.G. / Frederick Ii / Benda, F. / Quantz, J.J. / August Wilhelm / Janitsch, J.G. / Bach, C.P.E.
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album: Mendelssohn: Oedipus at Colonus
album: Mendelssohn: Antigone
album: German Folk Songs - Zollner, C.F. / Reichardt, J.F. / Brahms, J. / Schubert, F. / Zuccalmaglio, A.W.F. Von / Kuhlau, F.
album: Die 150 schonsten Volkslieder
album: Dessau, P.: Haggada (Sung in German)
album: Christmas Choral Concert - Handel, G.F. / Mozart, W.A. / Bach, J.S. / Praetorius, M. / Gruber, F.X. / Bach, J.C.F. / Adam, A.
album: Die Schonsten Mannerchore
album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.

Annchen von Tharau
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by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
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  date published: 2010-08-01
popularity: 14
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:30:09Z
audio: Annchen von Tharau
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Die Lorelei: Ich weiss nicht, was soll es bedeuten
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by artist: Carl Maria von Weber Men's Choir, Berlin
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  date published: 2010-08-01
popularity: 16
isrc code: USB8U1010868
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Die Lorelei: Ich weiss nicht, was soll es bedeuten
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6 Songs, Op. 48: No. 4. Die Ehre Gottes aus der Natur, "Die Himmel ruhmen des Ewigen Ehre" (arr. C. Reinecke)
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by artist: Ludwig van Beethoven
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popularity: 15
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  date published: 2026-07-02T03:55:08Z
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Der Konig in Thule
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  value: https://explorer.copyrightchains.com/tx/0x7cf166a8009e3ebef99ef2e14a25211f454b184f3f3e560c337426a038b2705e
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0931309
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf166a8009e3ebef99ef2e14a25211f454b184f3f3e560c337426a038b2705e. 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/US2TL0931309.
  date published: 2026-07-02T03:55:08Z
audio: Der Konig in Thule
  type: AudioObject
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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
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  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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Uber allen Gipfeln ist Ruh
type: MusicRecording
duration: PT1M56S
duration ms: 116640
explicit: false
by artist: Friedrich Kuhlau
by artist: Carl Maria von Weber Men's Choir, Berlin
in album: German Folk Songs - Zollner, C.F. / Reichardt, J.F. / Brahms, J. / Schubert, F. / Zuccalmaglio, A.W.F. Von / Kuhlau, F.
  type: MusicAlbum
  date published: 2000-01-01
isrc code: US2TL0932019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:29:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43a5ae109c5ed3bbd5b9ec15f738db1c30c89103b631e3a904b216fefd14555e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932019
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43a5ae109c5ed3bbd5b9ec15f738db1c30c89103b631e3a904b216fefd14555e. 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/US2TL0932019.
  date published: 2026-07-02T03:55:08Z
audio: Uber allen Gipfeln ist Ruh
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  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: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.938
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.72
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Acousticness
type: PropertyValue
value: 0.987

Instrumentalness
type: PropertyValue
value: 0.468

Liveness
type: PropertyValue
value: 0.085

Valence (Positivity)
type: PropertyValue
value: 0.059

Loudness (dB)
type: PropertyValue
value: -28.159

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Choral Music (100 Masterpieces)
type: MusicAlbum
date published: 2007-01-01
track: Ich bete an die Macht der Liebe
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220600
  explicit: false
  by artist: Dmitry Bortniansky
  by artist: Leipzig Radio Chorus, male section
  by artist: Jörg Peter Weigle
  in album: Choral Music (100 Masterpieces)
    type: MusicAlbum
    date published: 2007-01-01
  popularity: 5
  isrc code: DEB261201582
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T09:26:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8d6fee4243190d3dde375fe90837e16bf2b90c5cebb9e6865a9ce8f7db83a80e
  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/DEB261201582
  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 0x8d6fee4243190d3dde375fe90837e16bf2b90c5cebb9e6865a9ce8f7db83a80e. 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/DEB261201582.
    date published: 2026-07-08T03:53:27Z
  audio: Ich bete an die Macht der Liebe
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 140.715
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.158
    additional property: Energy
      type: PropertyValue
      value: 0.037
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.136
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.972
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Die Lorelei: Loreley
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166186
  explicit: false
  by artist: Friedrich Silcher
  by artist: Leipzig Radio Chorus, male section
  by artist: Jörg Peter Weigle
  in album: Choral Music (100 Masterpieces)
    type: MusicAlbum
    date published: 2007-01-01
  popularity: 2
  isrc code: USB8U1014761
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:41:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x210e144100917972388873413a6223496a28d94882d373d4f00424afb850eb15
  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/USB8U1014761
  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 0x210e144100917972388873413a6223496a28d94882d373d4f00424afb850eb15. 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/USB8U1014761.
    date published: 2026-07-08T03:53:27Z
  audio: Die Lorelei: Loreley
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.479
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.098
    additional property: Energy
      type: PropertyValue
      value: 0.072
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.138
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.198
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ave verum corpus, K. 618
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164600
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Vienna Boys' Choir
  by artist: Chorus Viennensis
  by artist: Vienna Volksoper Orchestra
  by artist: Peter Marschik
  in album: Choral Music (100 Masterpieces)
    type: MusicAlbum
    date published: 2007-01-01
  popularity: 4
  genre: classical
  genre: classical-era
  isrc code: DEB261201522
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:31:27+00:00
  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: Ave verum corpus, K. 618
track: 6 Lieder, Op. 50: No. 2. Der Jager Abschied
track: Meerstern ich dich grusse
track: Nachthelle, Op. 134, D. 892
track: Jesu, du mein liebstes Leben, BWV 356
track: Hymne an die Nacht
track: Tantum ergo, D. 962
track: So nimm denn meine Hande
track: Winterreise, Op. 89, D. 911: No. 5. Der Lindenbaum (arr. for choir)
track: Rosamunde, D. 797: Hirtenchor
track: Vesperae solennes de confessore, K. 339: Laudate Dominum
track: Es loscht das Meer die Sonne aus
track: In dulci jubilo, BWV 368
track: Das Dorfchen, Op. 11, No. 1, D. 598
track: Jesu, meines Herzens Freud, BWV 361
track: Offertory: Intende voci, D. 963
track: Ave Maria, Op. 533: Nun ist der laute Tag verhallt
track: Die Nacht, Op. 17, No. 4, D. 983c

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xb3c64e46a104b303b988eec3b07f481da5246d178d702db1892dec0cf8c3c4f5

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/DEB261201522

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 0xb3c64e46a104b303b988eec3b07f481da5246d178d702db1892dec0cf8c3c4f5. 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/DEB261201522.
date published: 2026-07-08T03:20:19Z

Ave verum corpus, K. 618
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 97.568
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: 0.088
additional property: Energy
  type: PropertyValue
  value: 0.082
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.985
additional property: Instrumentalness
  type: PropertyValue
  value: 0.246
additional property: Liveness
  type: PropertyValue
  value: 0.108
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.036
additional property: Loudness (dB)
  type: PropertyValue
  value: -26.332
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
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6 Lieder, Op. 50: No. 2. Der Jager Abschied
type: MusicRecording
duration: PT2M54S
duration ms: 174320
explicit: false
by artist: Felix Mendelssohn
by artist: Berlin Radio Chorus, male section
by artist: Dietrich Knothe
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 1
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: USB8U1013720
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:55:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x246d0230454a16c93443f731bb42ab4245af023b62e7b8d2e04dc2360c8f195c
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/USB8U1013720
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 0x246d0230454a16c93443f731bb42ab4245af023b62e7b8d2e04dc2360c8f195c. 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/USB8U1013720.
  date published: 2026-07-08T03:53:27Z
audio: 6 Lieder, Op. 50: No. 2. Der Jager Abschied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.311
  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: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.255
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.167
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.452
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Meerstern ich dich grusse
type: MusicRecording
duration: PT1M50S
duration ms: 110360
explicit: false
by artist: Traditional
by artist: Regensburg Cathedral Choir
by artist: Roland Buechner
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 3
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DEB261201515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:15:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5618bfcf51b3c7659ef21a04af3d5ea2f5b8185fb70ac6479a6f27c6aeb5c8b9
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/DEB261201515
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 0x5618bfcf51b3c7659ef21a04af3d5ea2f5b8185fb70ac6479a6f27c6aeb5c8b9. 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/DEB261201515.
  date published: 2026-07-08T03:20:19Z
audio: Meerstern ich dich grusse
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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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Nachthelle, Op. 134, D. 892
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duration: PT6M12S
duration ms: 372560
explicit: false
by artist: Franz Schubert
by artist: Ekkehard Wagner
by artist: Bernd Casper
by artist: Berlin Radio Chorus, male section
by artist: Dietrich Knothe
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014763
additional property: CopyrightID
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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/USB8U1014763
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3578cd9ea39e249e3997063634fcf02b021bcaad4a75b156f037b227de404244. 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/USB8U1014763.
  date published: 2026-07-08T03:22:41Z
audio: Nachthelle, Op. 134, D. 892
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Jesu, du mein liebstes Leben, BWV 356
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duration: PT2M53S
duration ms: 173680
explicit: false
by artist: Johann Sebastian Bach
by artist: Rostock Motet Choir
by artist: Leipzig Capella Fidicinia
by artist: Hartwig Eschenburg
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 4
genre: classical
genre: classical-piano
isrc code: DEB261201514
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/DEB261201514
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 0x5138ea23dd4ade7e6ea6ac6fb735a4f6c63a9b185614f41b75ae8453b877e38d. 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/DEB261201514.
  date published: 2026-07-08T03:22:41Z
audio: Jesu, du mein liebstes Leben, BWV 356
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Hymne an die Nacht
type: MusicRecording
duration: PT3M4S
duration ms: 184840
explicit: false
by artist: Ludwig van Beethoven
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: US2TL0905804
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0905804
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
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  date published: 2026-07-08T03:22:41Z
audio: Hymne an die Nacht
  type: AudioObject
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  additional property: Danceability
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Tantum ergo, D. 962
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duration: PT5M35S
duration ms: 335000
explicit: false
by artist: Franz Schubert
by artist: Gisela Fetting
by artist: Astrid Pilzecker
by artist: Ekkehard Wagner
by artist: Karl-Heinz Schmieder
by artist: Rundfunkchor Berlin
by artist: Berlin Radio Symphony Orchestra
by artist: Dietrich Knothe
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB261201524
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a601104f647d8ace8b4ad4d32c7b8d17a75d71f57c5d1e7e4862b651df3237b. 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/DEB261201524.
  date published: 2026-07-08T03:20:19Z
audio: Tantum ergo, D. 962
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So nimm denn meine Hande
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by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 3
isrc code: DEB261201504
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c55e47c584a982d13faf69d451580ca034352c68856f0e7e2d0e7d5c05abf5. 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/DEB261201504.
  date published: 2026-07-08T03:22:41Z
audio: So nimm denn meine Hande
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Winterreise, Op. 89, D. 911: No. 5. Der Lindenbaum (arr. for choir)
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by artist: Friedrich Silcher
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB269900113
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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: Winterreise, Op. 89, D. 911: No. 5. Der Lindenbaum (arr. for choir)
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Rosamunde, D. 797: Hirtenchor
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duration: PT4M16S
duration ms: 256560
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by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Helmut Froschauer
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014777
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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 0x784451057ddc6dea8868337722452a0f45251498b19b557f5d3cb8461effea31. 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/USB8U1014777.
  date published: 2026-07-08T03:53:27Z
audio: Rosamunde, D. 797: Hirtenchor
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Vesperae solennes de confessore, K. 339: Laudate Dominum
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duration: PT4M10S
duration ms: 250000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Mária Zádori
by artist: Jeunesses Musicales Chorus
by artist: Budapest Philharmonic Orchestra
by artist: Iván Fischer
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 3
genre: classical
genre: classical-era
isrc code: DEB261201505
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb35f5efe6bc3645c3ec0802ad8fa596d5607f9f2ac003ed07c4a3c0f9e4b9255. 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/DEB261201505.
  date published: 2026-07-08T03:53:27Z
audio: Vesperae solennes de confessore, K. 339: Laudate Dominum
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Es loscht das Meer die Sonne aus
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duration: PT3M34S
duration ms: 214880
explicit: false
by artist: Friedrich Silcher
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 1
isrc code: USB8U1014894
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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/USB8U1014894
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 0x367e115a6a5c71c500699a556ad1cdc1bb3f0568d5ee5a220fbcff9d36cfd9d7. 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/USB8U1014894.
  date published: 2026-07-08T03:20:19Z
audio: Es loscht das Meer die Sonne aus
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In dulci jubilo, BWV 368
type: MusicRecording
duration: PT2M35S
duration ms: 155280
explicit: false
by artist: Johann Sebastian Bach
by artist: Rostock Motet Choir
by artist: Leipzig Capella Fidicinia
by artist: Hartwig Eschenburg
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 3
genre: classical
genre: classical-piano
isrc code: USB8U1011255
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
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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 0x36d4e5eafe86f5330f9dbb9c72a473d79383907d1303bab5ec53fb629dc94781. 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/USB8U1011255.
  date published: 2026-07-08T03:20:19Z
audio: In dulci jubilo, BWV 368
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  additional property: Tempo (BPM)
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Das Dorfchen, Op. 11, No. 1, D. 598
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duration: PT4M28S
duration ms: 268240
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by artist: Franz Schubert
by artist: Bernd Casper
by artist: Berlin Radio Chorus, male section
by artist: Dietrich Knothe
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014766
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
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63652a11d99b6e29d46a19d0d22a731f1671face6e97b462c63affcfdba7c679. 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/USB8U1014766.
  date published: 2026-07-08T03:22:41Z
audio: Das Dorfchen, Op. 11, No. 1, D. 598
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Jesu, meines Herzens Freud, BWV 361
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duration: PT3M6S
duration ms: 186400
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by artist: Rostock Motet Choir
by artist: Leipzig Capella Fidicinia
by artist: Hartwig Eschenburg
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 2
genre: classical
genre: classical-piano
isrc code: DEB261201502
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: 2026-07-08T03:53:27Z
audio: Jesu, meines Herzens Freud, BWV 361
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Offertory: Intende voci, D. 963
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by artist: Peter Schreier
by artist: Rundfunkchor Berlin
by artist: Berlin Radio Symphony Orchestra
by artist: Dietrich Knothe
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB261201539
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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: Offertory: Intende voci, D. 963
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Ave Maria, Op. 533: Nun ist der laute Tag verhallt
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by artist: Hans-Joachim Ribbe
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 2
isrc code: USB8U1012563
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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subject of: OpenTimestamps Proof of Existence
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Die Nacht, Op. 17, No. 4, D. 983c
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Lobe den Herrn, meine Seele, BWV 143: Chorale: Du Friedefurst, Herr Jesu Christ
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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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Am Brunnen vor dem Tore
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track: Annchen von Tharau
track: Die Lorelei: Ich weiss nicht, was soll es bedeuten
track: Schone Ahnung ist erglommen, Op. 57, No. 2, J. 228, "Fruhlingslied"
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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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track: In stiller Nacht
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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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track: 6 Songs, Op. 48: No. 4. Die Ehre Gottes aus der Natur, "Die Himmel ruhmen des Ewigen Ehre" (arr. C. Reinecke)
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  subject of: OpenTimestamps Proof of Existence
  audio: Nachtliches Standchen

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OpenTimestamps Proof of Existence
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Nachtliches Standchen
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Goethe And Music, Vol. 2 - Wolf, H. / Schubert, F. / Mozart, W.A. / Beethoven, L. Van / Schumann, R. / Brahms. J. / Liszt, F. / Mendelssohn, Felix
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100 Masterpieces of Sacred Choral Music
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track: Jesu, meines Herzens Freud, BWV 361
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Ave verum corpus, K. 618
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So nimm denn meine Hande
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Tantum ergo, D. 962
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Vesperae solennes de confessore, K. 339: Laudate Dominum
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Maria, Mutter unsres Herrn
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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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Mass No. 4 in C Major, Op. 48, D. 452: Credo
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subject of: OpenTimestamps Proof of Existence
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Lobe den Herrn, meine Seele, BWV 143: Chorale. Du Friedefurst, Herr Jesu Christ
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subject of: OpenTimestamps Proof of Existence
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audio: Lobe den Herrn, meine Seele, BWV 143: Chorale. Du Friedefurst, Herr Jesu Christ
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Hymne an die Nacht
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subject of: OpenTimestamps Proof of Existence
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audio: Hymne an die Nacht
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Jesu, du mein liebstes Leben, BWV 356
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audio: Jesu, du mein liebstes Leben, BWV 356
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Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
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  date published: 2026-07-08T03:53:27Z
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Berlin Castles (Music From) - Graun, J.G. / Frederick Ii / Benda, F. / Quantz, J.J. / August Wilhelm / Janitsch, J.G. / Bach, C.P.E.
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Choral Music - Bortniansky, D. / Schubert, F. / Mendelssohn, Felix / Silcher, F. / Grieg, E. / Brahms, J. / Abt, F.W. / Bruch, M.
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Mendelssohn: Oedipus at Colonus
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Mendelssohn: Antigone
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German Folk Songs - Zollner, C.F. / Reichardt, J.F. / Brahms, J. / Schubert, F. / Zuccalmaglio, A.W.F. Von / Kuhlau, F.
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    date published: 2026-07-08T08:56:20Z
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track: Uber allen Gipfeln ist Ruh

Die 150 schonsten Volkslieder
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Dessau, P.: Haggada (Sung in German)
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Christmas Choral Concert - Handel, G.F. / Mozart, W.A. / Bach, J.S. / Praetorius, M. / Gruber, F.X. / Bach, J.C.F. / Adam, A.
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Die Schonsten Mannerchore
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  subject of: OpenTimestamps Proof of Existence
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track: Hymne an die Nacht
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    date published: 2026-07-08T08:56:20Z
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  audio: Des Mullers Lust und Leid, Op. 6: No. 1. Das Wandern ist des Mullers Lust
track: In einem kuhlen Grunde
track: Hab oft im Kreis der Lieben
track: Suss Liebe liebt den Mai
track: Ich bete an die Macht der Liebe

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OpenTimestamps Proof of Existence
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Des Mullers Lust und Leid, Op. 6: No. 1. Das Wandern ist des Mullers Lust
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In einem kuhlen Grunde
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Hab oft im Kreis der Lieben
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Suss Liebe liebt den Mai
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Ich bete an die Macht der Liebe
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Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
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track: Landkjending (Land-Sighting), Op. 31
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