Andreas Wiedermann
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followers: 17
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-14T13:03:42Z
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album: German Folk Songs
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  date published: 1998-01-01
album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
  track: Ich bete an die Macht der Liebe
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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  track: Die Lorelei: Loreley
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:20:19Z
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  track: 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: 5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
  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: 4 Lieder, Op. 75: No. 3. Trinklied
  track: Locus iste, WAB 23
  track: Es loscht das Meer die Sonne aus
  track: In dulci jubilo, BWV 368
  track: Das Dorfchen, Op. 11, No. 1, D. 598
  track: Ave, maris stella (version for choir)
  track: 3 Motets, Op. 39: No. 2. O praise the Lord (Laudate pueri)
  track: 6 Songs, Op. 48: No. 4. Die Himmel ruhmen (arr. for male choir)
  track: Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
  track: Ave Maria, WAB 5
  track: Jesu, meines Herzens Freud, BWV 361
  track: Otche nash (Our Father): Vater Unser
  track: Offertory: Intende voci, D. 963
  track: Gott hat dich, Maria erwahlt
  track: Pueri, concinite
  track: Ave Maria, Op. 533: Nun ist der laute Tag verhallt
  track: Die Nacht, Op. 17, No. 4, D. 983c
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
album: 100 Masterpieces of Sacred Choral Music
album: Die 150 schonsten Volkslieder
album: Hallelujah: Geistliche Choralmusik
album: Choral Music - Bortniansky, D. / Schubert, F. / Mendelssohn, Felix / Silcher, F. / Grieg, E. / Brahms, J. / Abt, F.W. / Bruch, M.
album: Schubert, F.: Choral Music
album: Trink- und Weinlieder
album: Männerchöre singen die 30 schönsten Volkslieder
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: Goethe: Klassische Vertonungen
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.
album: Sternstunden der Musik: Ludwig van Beethoven

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Ave verum corpus, K. 618
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duration: PT2M44S
duration ms: 164600
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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
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEB261201522
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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6 Lieder, Op. 50: No. 2. Der Jager Abschied
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genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Meerstern ich dich grusse
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by artist: Regensburg Cathedral Choir
by artist: Roland Buechner
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popularity: 3
genre: bhajan
genre: gregorian-chant
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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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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
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    value: 0.396
  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)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014763
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014763
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3578cd9ea39e249e3997063634fcf02b021bcaad4a75b156f037b227de404244. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014763 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Nachthelle, Op. 134, D. 892
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Jesu, du mein liebstes Leben, BWV 356
type: MusicRecording
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)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEB261201514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5138ea23dd4ade7e6ea6ac6fb735a4f6c63a9b185614f41b75ae8453b877e38d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201514 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Jesu, du mein liebstes Leben, BWV 356
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  additional property: Tempo (BPM)
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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
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:32:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfafd7cf014d691ea35f1bc0bb376dbf0c7705fe2a0ce18baf15ec03358d84150
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/US2TL0905804
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfafd7cf014d691ea35f1bc0bb376dbf0c7705fe2a0ce18baf15ec03358d84150. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0905804 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Hymne an die Nacht
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.132
  additional property: Energy
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    type: PropertyValue
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    type: PropertyValue
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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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Tantum ergo, D. 962
type: MusicRecording
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)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 3
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB261201524
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:21:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a601104f647d8ace8b4ad4d32c7b8d17a75d71f57c5d1e7e4862b651df3237b
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/DEB261201524
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201524 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tantum ergo, D. 962
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    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
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  additional property: Liveness
    type: PropertyValue
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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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5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
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duration: PT3M43S
duration ms: 223080
explicit: false
by artist: Carl Loewe
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: USB8U1014764
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014764
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71cc11e83b79a20393939b37c319f40969621209cd6f15f4d13a2937c920ca4. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014764 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: 5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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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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So nimm denn meine Hande
type: MusicRecording
duration: PT2M51S
duration ms: 171173
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: 3
isrc code: DEB261201504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/DEB261201504
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c55e47c584a982d13faf69d451580ca034352c68856f0e7e2d0e7d5c05abf5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201504 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: So nimm denn meine Hande
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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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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Winterreise, Op. 89, D. 911: No. 5. Der Lindenbaum (arr. for choir)
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duration: PT2M42S
duration ms: 162160
explicit: false
by artist: Franz Schubert
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: 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff228999e6c7bd9afd722f1fc6e83703e95177ff07ed269c4464143b5bbe859. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB269900113 — a six-check JSON result.
  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
explicit: false
by artist: Franz Schubert
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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rosamunde, D. 797: Hirtenchor
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Vesperae solennes de confessore, K. 339: Laudate Dominum
type: MusicRecording
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)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 3
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEB261201505
additional property: CopyrightID
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additional property: OTSVerificationAPI
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Vesperae solennes de confessore, K. 339: Laudate Dominum
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4 Lieder, Op. 75: No. 3. Trinklied
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duration: PT1M59S
duration ms: 119666
explicit: false
by artist: Felix Mendelssohn
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
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: US2TL0905809
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T15:20:15Z
audio: 4 Lieder, Op. 75: No. 3. Trinklied
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Locus iste, WAB 23
type: MusicRecording
duration: PT2M50S
duration ms: 170320
explicit: false
by artist: Anton Bruckner
by artist: Vienna Boys' Choir
by artist: Chorus Viennensis
by artist: Peter Marschik
in album: Choral Music (100 Masterpieces)
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popularity: 3
genre: classical
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:51:24Z
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Es loscht das Meer die Sonne aus
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duration: PT3M34S
duration ms: 214880
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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: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
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In dulci jubilo, BWV 368
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duration: PT2M35S
duration ms: 155280
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by artist: Johann Sebastian Bach
by artist: Rostock Motet Choir
by artist: Leipzig Capella Fidicinia
by artist: Hartwig Eschenburg
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  date published: 2007-01-01
popularity: 3
genre: classical
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genre: early-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
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Das Dorfchen, Op. 11, No. 1, D. 598
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by artist: Bernd Casper
by artist: Berlin Radio Chorus, male section
by artist: Dietrich Knothe
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popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Ave, maris stella (version for choir)
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duration: PT2M34S
duration ms: 154840
explicit: false
by artist: Edvard Grieg
by artist: Regensburg Cathedral Choir
by artist: Roland Buechner
in album: Choral Music (100 Masterpieces)
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popularity: 3
genre: classical
genre: late-romantic-era
genre: norwegian-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
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3 Motets, Op. 39: No. 2. O praise the Lord (Laudate pueri)
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by artist: Felix Mendelssohn
by artist: Dresdner Kreuzchor
by artist: Michael-Christfried Winkler
by artist: Martin Flämig
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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6 Songs, Op. 48: No. 4. Die Himmel ruhmen (arr. for male choir)
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duration: PT2M14S
duration ms: 134360
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by artist: Ludwig van Beethoven
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by artist: Andreas Wiedermann
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popularity: 2
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:46:00Z
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Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
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by artist: Marcus Creed
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popularity: 3
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Ave Maria, WAB 5
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
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Jesu, meines Herzens Freud, BWV 361
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Jesu, meines Herzens Freud, BWV 361
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Otche nash (Our Father): Vater Unser
type: MusicRecording
duration: PT2M53S
duration ms: 173400
explicit: false
by artist: Fyodor Dubyansky
by artist: Moscow Rybin Choir
in album: Choral Music (100 Masterpieces)
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  date published: 2007-01-01
popularity: 2
isrc code: USB8U1014757
additional property: CopyrightID
additional property: CopyrightStatus
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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/USB8U1014757
additional property: OTSTimestamp
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  value: 2026-07-31T13:06:57Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53c2f99ae3e56c4931914510fd0cad3dd37c9d6200954188d78800e82701fe0. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014757 — a six-check JSON result.
  date published: 2026-07-31T13:06:57Z
audio: Otche nash (Our Father): Vater Unser
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Offertory: Intende voci, D. 963
type: MusicRecording
duration: PT9M25S
duration ms: 565120
explicit: false
by artist: Franz Schubert
by artist: Peter Schreier
by artist: Rundfunkchor Berlin
by artist: Berlin Radio Symphony Orchestra
by artist: Dietrich Knothe
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: DEB261201539
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: Offertory: Intende voci, D. 963
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Gott hat dich, Maria erwahlt
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duration: PT1M31S
duration ms: 91680
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: 2
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DEB261201509
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Gott hat dich, Maria erwahlt
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Pueri, concinite
type: MusicRecording
duration: PT4M9S
duration ms: 249520
explicit: false
by artist: Johann Ritter von Herbeck
by artist: Vienna Boys' Choir
by artist: Artist Unknown
by artist: Peter Marschik
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 2
isrc code: USB8U1014760
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07a86204237776fdd9aa4b069131676fde2a0ec683ecbcd24304ac97a2ee9125. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014760 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Pueri, concinite
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Ave Maria, Op. 533: Nun ist der laute Tag verhallt
type: MusicRecording
duration: PT5M41S
duration ms: 341240
explicit: false
by artist: Franz Abt
by artist: Hans-Joachim Ribbe
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: USB8U1012563
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1012563
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a6eeb8660c21e967176390d54d970ac2c60096683725e75cf7e5004e8d7ee5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1012563 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ave Maria, Op. 533: Nun ist der laute Tag verhallt
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Die Nacht, Op. 17, No. 4, D. 983c
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duration: PT3M5S
duration ms: 185760
explicit: false
by artist: Franz Schubert
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
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014772
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
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additional property: OTSVerificationAPI
  type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a969a4b687bd473b0989486a5736998cc91a917e67209ccd028f30c0c3e487. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014772 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Die Nacht, Op. 17, No. 4, D. 983c
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Choral Music (Sacred) - Handel, G.F. / Mozart, W.A. / Haydn, F.J. / Beethoven, L. Van / Bach, J.S. / Mendelssohn, Felix / Bruckner, A.
type: MusicAlbum
date published: 2003-01-01
track: Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
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  by artist: RIAS Kammerchor
  by artist: Berlin Radio Symphony Orchestra
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x021b9dd7baec1560b1458ab48d74bef023990ceb19c4d80f76e1bbb8128d7db0
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932417
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021b9dd7baec1560b1458ab48d74bef023990ceb19c4d80f76e1bbb8128d7db0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932417 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Lobe den Herrn, meine Seele, BWV 143: Chorale: Du Friedefurst, Herr Jesu Christ
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143933
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Leipzig Thomaner Choir
  by artist: New Bach Collegium Musicum Leipzig
  by artist: Hans-Joachim Rotzsch
  in album: Choral Music (Sacred) - Handel, G.F. / Mozart, W.A. / Haydn, F.J. / Beethoven, L. Van / Bach, J.S. / Mendelssohn, Felix / Bruckner, A.
    type: MusicAlbum
    date published: 2003-01-01
  popularity: 2
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEB261201510
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:06:53+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xc8282102480e8bef4d0345dc2ac8b090dedbcb6665af00402d6a6a5691ae2768
  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/DEB261201510
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8282102480e8bef4d0345dc2ac8b090dedbcb6665af00402d6a6a5691ae2768. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201510 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Lobe den Herrn, meine Seele, BWV 143: Chorale: Du Friedefurst, Herr Jesu Christ
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.312
    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: 0.396
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.303
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.285
    additional property: Key Name
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      value: Bb
    additional property: Mode Name
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Am Brunnen vor dem Tore
type: MusicAlbum
date published: 2010-08-01
track: Wohin mit der Freud?, Op. 58, No. 2, "Ach du klarblauer Himmel"
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96000
  explicit: false
  by artist: Friedrich Silcher
  by artist: Carl Maria von Weber Men's Choir, Berlin
  by artist: Andreas Wiedermann
  in album: Am Brunnen vor dem Tore
    type: MusicAlbum
    date published: 2010-08-01
  popularity: 2
  isrc code: USB8U1010866
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T07:15:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x249dfb10f6f499c6406b477fd6b83b54dd7a4bbf194405c08b86d779bdf72e3b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960370
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960370
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010866
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T08:38:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249dfb10f6f499c6406b477fd6b83b54dd7a4bbf194405c08b86d779bdf72e3b. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010866 — a six-check JSON result.
    date published: 2026-07-31T08:38:45Z
  audio: Wohin mit der Freud?, Op. 58, No. 2, "Ach du klarblauer Himmel"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.284
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.322
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.2
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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track: Annchen von Tharau
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150000
  explicit: false
  by artist: Friedrich Silcher
  by artist: Carl Maria von Weber Men's Choir, Berlin
  by artist: Andreas Wiedermann
  in album: Am Brunnen vor dem Tore
    type: MusicAlbum
    date published: 2010-08-01
  popularity: 14
  isrc code: USB8U1010867
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T08:07:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66ddf96b92e5c10650f93f8c485e0a51dafc78ac26fc358c28dba46dbabe125d
  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/USB8U1010867
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ddf96b92e5c10650f93f8c485e0a51dafc78ac26fc358c28dba46dbabe125d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010867 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Annchen von Tharau
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.27
    additional property: Energy
      type: PropertyValue
      value: 0.107
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.987
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.027
    additional property: Key Name
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    additional property: Mode Name
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track: Die Lorelei: Ich weiss nicht, was soll es bedeuten
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156000
  explicit: false
  by artist: Friedrich Silcher
  by artist: Carl Maria von Weber Men's Choir, Berlin
  by artist: Andreas Wiedermann
  in album: Am Brunnen vor dem Tore
    type: MusicAlbum
    date published: 2010-08-01
  popularity: 16
  isrc code: USB8U1010868
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T13:16:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x240c96b12b823a0e2640cba493127984e77036b171deadbe973bd09119385c66
  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: Die Lorelei: Ich weiss nicht, was soll es bedeuten
track: Heidenroslein (Rose on the Heath) (arr. H. Sitt)
track: Drei Reiter am Tore (arr. H. Riedel)
track: Schone Ahnung ist erglommen, Op. 57, No. 2, J. 228, "Fruhlingslied"
track: Ritornelle in canonischen Weisen, Op. 65: No. 1. Die Rose stand im Tau (The Rose stand in the Dew)
track: In stiller Nacht
track: Wenn ich einmal soll scheiden (arr. G. Schreck)
track: 6 Songs, Op. 48: No. 4. Die Ehre Gottes aus der Natur, "Die Himmel ruhmen des Ewigen Ehre" (arr. C. Reinecke)
track: Die Nacht, Op. 17, No. 4, D. 983c
track: Nachtliches Standchen

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010868

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x240c96b12b823a0e2640cba493127984e77036b171deadbe973bd09119385c66. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010868 — a six-check JSON result.
date published: 2026-07-02T03:30:09Z

Die Lorelei: Ich weiss nicht, was soll es bedeuten
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.206
additional property: Energy
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  value: 0.124
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.983
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.14
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.197
additional property: Loudness (dB)
  type: PropertyValue
  value: -29.194
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
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Heidenroslein (Rose on the Heath) (arr. H. Sitt)
type: MusicRecording
duration: PT3M1S
duration ms: 181000
explicit: false
by artist: Hans Sitt
by artist: Heinrich Werner
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 3
genre: czech-classical
isrc code: USB8U1010869
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:58:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5605f7928c39c49ab858c39c621ed8529f370aca13deb47d4fdeb008ccd7256
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010869
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5605f7928c39c49ab858c39c621ed8529f370aca13deb47d4fdeb008ccd7256. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010869 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Heidenroslein (Rose on the Heath) (arr. H. Sitt)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.045
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Drei Reiter am Tore (arr. H. Riedel)
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duration: PT1M24S
duration ms: 84000
explicit: false
by artist: Traditional
by artist: Hermann Riedel
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 1
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: USB8U1010872
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:57:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9119f018517b81a37c0cb2e26249dc9d80044c2618da4c4f2ba3e16c3f85eb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010872
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9119f018517b81a37c0cb2e26249dc9d80044c2618da4c4f2ba3e16c3f85eb3. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010872 — a six-check JSON result.
  date published: 2026-07-31T16:07:24Z
audio: Drei Reiter am Tore (arr. H. Riedel)
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Schone Ahnung ist erglommen, Op. 57, No. 2, J. 228, "Fruhlingslied"
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duration: PT2M44S
duration ms: 164000
explicit: false
by artist: Carl Maria von Weber
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 1
genre: classical
genre: opera
isrc code: USB8U1010873
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010873
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6944214ba1ea6096c85da440359c92cb95a60a0e247f7b70bced5c92899630cb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010873 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Schone Ahnung ist erglommen, Op. 57, No. 2, J. 228, "Fruhlingslied"
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Ritornelle in canonischen Weisen, Op. 65: No. 1. Die Rose stand im Tau (The Rose stand in the Dew)
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duration: PT2M41S
duration ms: 161000
explicit: false
by artist: Robert Schumann
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1010874
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010874
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefd354f89866b13d5b9d675d60a8bdea790480f02c1788b08199ac071bd96918. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010874 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Ritornelle in canonischen Weisen, Op. 65: No. 1. Die Rose stand im Tau (The Rose stand in the Dew)
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In stiller Nacht
type: MusicRecording
duration: PT2M27S
duration ms: 147000
explicit: false
by artist: Johannes Brahms
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 6
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: USB8U1010877
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010877
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c8b2aff87ba24c0df6d224d32369302563f4c0509ec80521d8dd8be80ad5297. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010877 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: In stiller Nacht
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Wenn ich einmal soll scheiden (arr. G. Schreck)
type: MusicRecording
duration: PT2M48S
duration ms: 168000
explicit: false
by artist: Hans Leo Hassler
by artist: Gustav Schreck
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 1
genre: choral
isrc code: USB8U1010878
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
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f85294e95d5b62e8dbdb8e735937c25a71bcefa9b0ffa0eafc1572f3200c029. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010878 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Wenn ich einmal soll scheiden (arr. G. Schreck)
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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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duration: PT2M14S
duration ms: 134000
explicit: false
by artist: Carl Reinecke
by artist: Ludwig van Beethoven
by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
  type: MusicAlbum
  date published: 2010-08-01
popularity: 15
isrc code: USB8U1010879
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca874b26090136337e62cdd397f110797e4c3b19b28801f761538f4f089fb04. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010879 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: 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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Die Nacht, Op. 17, No. 4, D. 983c
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duration: PT3M38S
duration ms: 218000
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by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: Am Brunnen vor dem Tore
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  date published: 2010-08-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1010886
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4a6d47fe2fec5a0d4fa8f573f735d1e9c04ee24c92e80e7a6c584c1f02f197. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1010886 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Die Nacht, Op. 17, No. 4, D. 983c
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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: Messiah, HWV 56, Pt. II: Hallelujah!
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track: Ave verum corpus, K. 618
track: Ellens Gesang III (Ave Maria!), Op. 52, No. 6, D. 839, "Hymne an die Jungfrau": Ellens Gesang III [Ave Maria!], Op. 56, No. 6, D. 839, "Hymne an die Jungfrau" [arr. H. Froschauer]
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track: Maria, Mutter unsres Herrn
track: The Creation, Hob. XXI:2: Die Schöpfung (the Creation), Hob.XXI:2, Pt. II: In holder Anmut stehn [Most beautiful appear] - Der Herr ist gross [the Lord Is great]
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track: Ein deutsches Requiem, Op. 45: Ein deutsches Requiem (a German Requiem), Op. 45: IV. Wie lieblich sind deine Wohnungen
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track: Jesu, du mein liebstes Leben, BWV 356
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Ellens Gesang III (Ave Maria!), Op. 52, No. 6, D. 839, "Hymne an die Jungfrau": Ellens Gesang III [Ave Maria!], Op. 56, No. 6, D. 839, "Hymne an die Jungfrau" [arr. H. Froschauer]
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by artist: David Cordier
by artist: Vienna Boys' Choir
by artist: Cologne Radio Orchestra
by artist: Helmuth Froschauer
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  date published: 2013-03-26
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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6 Songs, Op. 48: No. 4, Die Himmel ruhmen (Arr. For male choir)
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by artist: Carl Maria von Weber Men's Choir, Berlin
by artist: Andreas Wiedermann
in album: 100 Masterpieces of Sacred Choral Music
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  date published: 2013-03-26
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
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So nimm denn meine Hande
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Tantum ergo, D. 962
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by artist: Gisela Fetting
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by artist: Rundfunkchor Berlin
by artist: Berlin Radio Symphony Orchestra
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Vesperae solennes de confessore, K. 339: Laudate Dominum
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by artist: Budapest Philharmonic Orchestra
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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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Maria, Mutter unsres Herrn
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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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The Creation, Hob. XXI:2: Die Schöpfung (the Creation), Hob.XXI:2, Pt. II: In holder Anmut stehn [Most beautiful appear] - Der Herr ist gross [the Lord Is great]
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: The Creation, Hob. XXI:2: Die Schöpfung (the Creation), Hob.XXI:2, Pt. II: In holder Anmut stehn [Most beautiful appear] - Der Herr ist gross [the Lord Is great]
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Elias, Op. 70, MWV A25: Elijah, Op. 70, Pt. I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
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Christus factus est, WAB 11
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:50:38Z
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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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  date published: 2026-07-08T03:20:19Z
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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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  date published: 2026-07-08T03:20:19Z
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Sagt an, wer ist doch diese: Sagt an, wer isr doch diese
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
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3 Kirchenmusiken, Op. 23, MWV SD 7: 3 Kirchenmusiken, Op. 23: No. 2, Ave maria
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
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Ein deutsches Requiem, Op. 45: Ein deutsches Requiem (a German Requiem), Op. 45: IV. Wie lieblich sind deine Wohnungen
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duration: PT5M2S
duration ms: 302000
explicit: false
by artist: Johannes Brahms
by artist: MDR Leipzig Radio Chorus
by artist: Leipzig Radio Symphony Orchestra
by artist: Herbert Kegel
in album: 100 Masterpieces of Sacred Choral Music
  type: MusicAlbum
  date published: 2013-03-26
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: DEB261201512
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa24df03bac5b91708c87aa160ceb199694bbcba51e971eb38d99cbe7dcfb2e48. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201512 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Ein deutsches Requiem, Op. 45: Ein deutsches Requiem (a German Requiem), Op. 45: IV. Wie lieblich sind deine Wohnungen
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Hymne an die Nacht
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duration: PT3M3S
duration ms: 183320
explicit: false
by artist: Ludwig van Beethoven
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: 100 Masterpieces of Sacred Choral Music
  type: MusicAlbum
  date published: 2013-03-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB261201532
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf466e33dc336d1005c2651ab0f3aa5d507321a2a6db790bf0824dca6d80da873. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201532 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Hymne an die Nacht
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Locus iste, WAB 23
type: MusicRecording
duration: PT2M50S
duration ms: 170320
explicit: false
by artist: Anton Bruckner
by artist: Vienna Boys' Choir
by artist: Chorus Viennensis
by artist: Peter Marschik
in album: 100 Masterpieces of Sacred Choral Music
  type: MusicAlbum
  date published: 2013-03-26
genre: classical
genre: orchestra
isrc code: DEB261201513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T12:24:41Z
audio: Locus iste, WAB 23
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Jesu, du mein liebstes Leben, BWV 356
type: MusicRecording
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: 100 Masterpieces of Sacred Choral Music
  type: MusicAlbum
  date published: 2013-03-26
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEB261201514
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5138ea23dd4ade7e6ea6ac6fb735a4f6c63a9b185614f41b75ae8453b877e38d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201514 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
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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duration: PT2M14S
duration ms: 134200
explicit: false
by artist: Franz Schubert
by artist: MDR Leipzig Radio Chorus
by artist: Jörg Peter Weigle
in album: 100 Masterpieces of Sacred Choral Music
  type: MusicAlbum
  date published: 2013-03-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEB261201516
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
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5d9716156a81a2882e37781d8717d989a41541df96aeedb1c3da560afce70c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201516 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Deutsche Messe, D. 872: Zum Eingang: Wohin soll ich mich wenden
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Jubilate-Amen, Op. 3
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duration: PT3M42S
duration ms: 222960
explicit: false
by artist: Max Bruch
by artist: Dorothe Jansen
by artist: WDR Rundfunkchor Köln
by artist: WDR Rundfunkorchester Köln
by artist: Helmuth Froschauer
in album: 100 Masterpieces of Sacred Choral Music
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  date published: 2013-03-26
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additional property: CopyrightID
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/DEB261201520
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ba08c27d0da88d973e8c5c7439268044427d6194c604a44b512309f76adc58. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB261201520 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Jubilate-Amen, Op. 3
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  additional property: Liveness
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Die 150 schonsten Volkslieder
type: MusicAlbum
date published: 2011-08-02
track: Die liebe Maienzeit
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  duration: PT1M15S
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  by artist: Traditional
  by artist: Leipzig Thomaner Choir
  by artist: Anonymous
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    date published: 2011-08-02
  popularity: 2
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T15:20:15Z
  audio: Die liebe Maienzeit
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Hallelujah: Geistliche Choralmusik
type: MusicAlbum
date published: 2020-09-25

Choral Music - Bortniansky, D. / Schubert, F. / Mendelssohn, Felix / Silcher, F. / Grieg, E. / Brahms, J. / Abt, F.W. / Bruch, M.
type: MusicAlbum
date published: 2004-01-01

Schubert, F.: Choral Music
type: MusicAlbum
date published: 2009-01-01

Trink- und Weinlieder
type: MusicAlbum
date published: 2004-09-01
track: Champagner-Polka, Op. 211
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  duration: PT2M57S
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  by artist: Norbert Neukamp
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Lustig ist das Zigeunerleben
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  by artist: Chor & Orchester Konrad Plaickner
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    type: MusicAlbum
    date published: 2004-09-01
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T15:20:15Z
  audio: Lustig ist das Zigeunerleben
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track: Es zogen zwei Burschen
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  by artist: Chor & Orchester Konrad Plaickner
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  subject of: OpenTimestamps Proof of Existence
  audio: Es zogen zwei Burschen

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:20:19Z

Es zogen zwei Burschen
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additional property: Danceability
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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Männerchöre singen die 30 schönsten Volkslieder
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date published: 2004-06-01
track: Wanderschaft (Das Wandern ist des Müllers Lust)
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  by artist: Franz Schubert
  by artist: Jörg-Peter Weigle
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T02:51:48Z
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track: Winterreise, D. 911: 5. Der Lindenbaum
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  duration: PT2M45S
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  by artist: Jörg-Peter Weigle
  by artist: Männerchor des Rundfunkchores Leipzig
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    date published: 2004-06-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T00:26:26Z
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Loreley "Ich weiß nicht, was soll es bedeuten"
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  by artist: Friedrich Silcher
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Loreley "Ich weiß nicht, was soll es bedeuten"
track: Der Jäger Abschied "Wer hat dich, du schöner Wald", Op. 50, No. 2
track: 143 Lieder, Op. 326: 27. "Still wie die Nacht"
track: Landerkennung, Op. 31
track: Hymne an die Nacht
track: Rheinweinlied (Heda, Wein her!)
track: Nachtgesang im Walde, D. 913
track: Ännchen von Tharau
track: Ich bete an die Macht der Liebe
track: Es löscht das Meer die Sonne aus (Schifferlied)
track: Muss i denn zum Städtele hinaus
track: In einem kühlen Grunde
track: Ständchen, D. 920 "Zögernd leise"
track: Im Krug zum grünen Kranze
track: Märznacht "Horch! Wie brauset der Sturm"
track: Deutsche Messe, D. 872: Sanctus. "Heilig, heilig ist der Herr"
track: So nimm denn meine Hände

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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value: 2026-07-30T21:00:46Z

OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-30T21:00:46Z

Loreley "Ich weiß nicht, was soll es bedeuten"
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Der Jäger Abschied "Wer hat dich, du schöner Wald", Op. 50, No. 2
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duration ms: 178466
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by artist: Felix Mendelssohn
by artist: Franz Schubert
by artist: Männerchor des Rundfunkchores Berlin
in album: Männerchöre singen die 30 schönsten Volkslieder
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  date published: 2004-06-01
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Der Jäger Abschied "Wer hat dich, du schöner Wald", Op. 50, No. 2
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143 Lieder, Op. 326: 27. "Still wie die Nacht"
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duration ms: 185200
explicit: false
by artist: Carl Böhm
by artist: Franz Schubert
by artist: Männerchor des Rundfunkchores Leipzig
by artist: Jörg-Peter Weigle
by artist: Gerhard Erber
in album: Männerchöre singen die 30 schönsten Volkslieder
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  date published: 2004-06-01
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: 143 Lieder, Op. 326: 27. "Still wie die Nacht"
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Landerkennung, Op. 31
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duration: PT8M28S
duration ms: 508400
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by artist: Edvard Grieg
by artist: Franz Schubert
by artist: MDR Leipzig Radio Symphony Orchestra
by artist: Männerchor des Rundfunkchores Leipzig
by artist: Jörg-Peter Weigle
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: Landerkennung, Op. 31
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Hymne an die Nacht
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by artist: Friedrich von Matthisson
by artist: Ludwig van Beethoven
by artist: Franz Schubert
by artist: Männerchor des Rundfunkchores Leipzig
by artist: Jörg-Peter Weigle
in album: Männerchöre singen die 30 schönsten Volkslieder
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: Hymne an die Nacht
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Rheinweinlied (Heda, Wein her!)
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duration: PT3M2S
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by artist: Franz Schubert
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by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
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Nachtgesang im Walde, D. 913
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duration: PT5M37S
duration ms: 337466
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by artist: Männerchor des Rundfunkchores Berlin
by artist: Members of the Rundfunk-Sinfonieorchester Berlin
by artist: Dietrich Knothe
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Ännchen von Tharau
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duration: PT2M34S
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by artist: Franz Schubert
by artist: Andreas Wiedermann
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  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3bce249802bc4cbd60690eb367f474bc95c745bab47f8f46ec14b208a2761493
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41700523
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bce249802bc4cbd60690eb367f474bc95c745bab47f8f46ec14b208a2761493. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41700523 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Ännchen von Tharau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.198
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.685
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ich bete an die Macht der Liebe
type: MusicRecording
duration: PT3M38S
duration ms: 218933
explicit: false
by artist: Dmitry Bortniansky
by artist: Franz Schubert
by artist: Jörg-Peter Weigle
by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
isrc code: DELV41700822
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:18:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3c90ec056a6caa92e1c5612de7122c4f10e37484973f59d0bddb39ecdc8caf6e
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/DELV41700822
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c90ec056a6caa92e1c5612de7122c4f10e37484973f59d0bddb39ecdc8caf6e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41700822 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Ich bete an die Macht der Liebe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.055
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.091
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.15
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.989
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Es löscht das Meer die Sonne aus (Schifferlied)
type: MusicRecording
duration: PT3M38S
duration ms: 218800
explicit: false
by artist: Traditional
by artist: Franz Schubert
by artist: Männerchor des Leipziger Rundfunks
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DER410500136
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:05:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a33ff5198d54144f0c351f206d69e8429da28033fd139387243c92afc04749f
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/DER410500136
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a33ff5198d54144f0c351f206d69e8429da28033fd139387243c92afc04749f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER410500136 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Es löscht das Meer die Sonne aus (Schifferlied)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.169
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.06
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.055
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.616
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Muss i denn zum Städtele hinaus
type: MusicRecording
duration: PT3M14S
duration ms: 194866
explicit: false
by artist: Traditional
by artist: Franz Schubert
by artist: Männerchor des Leipziger Rundfunks
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DER410500149
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T03:56:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5deb1ed2e097a65193320f8b77cfa08bd39edb547ab07ee30de1082017298e23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960509
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960509
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER410500149
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T04:30:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5deb1ed2e097a65193320f8b77cfa08bd39edb547ab07ee30de1082017298e23. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DER410500149 — a six-check JSON result.
  date published: 2026-08-01T04:30:37Z
audio: Muss i denn zum Städtele hinaus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.734
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.381
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.148
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.293
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.467
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

In einem kühlen Grunde
type: MusicRecording
duration: PT2M11S
duration ms: 131000
explicit: false
by artist: Friedrich Glück
by artist: Franz Schubert
by artist: Jörg-Peter Weigle
by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
isrc code: DELV41701584
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:17:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdff65183d5bd7311c5fce14db2b0676a73be1a601ea4edc741bae57fe2be5448
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/DELV41701584
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff65183d5bd7311c5fce14db2b0676a73be1a601ea4edc741bae57fe2be5448. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41701584 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: In einem kühlen Grunde
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.803
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.183
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.279
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.223
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ständchen, D. 920 "Zögernd leise"
type: MusicRecording
duration: PT5M55S
duration ms: 355466
explicit: false
by artist: Franz Schubert
by artist: Männerchor des Rundfunkchores Leipzig
by artist: Dietrich Knothe
by artist: Bernd Casper
by artist: Astrid Pilzecker
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DELV41701101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:33:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19c047720589dd17f073080eca338921a666e6bbd336db4c859c790ab84bc034
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41701101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c047720589dd17f073080eca338921a666e6bbd336db4c859c790ab84bc034. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41701101 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Ständchen, D. 920 "Zögernd leise"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.023
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.132
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.874
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Im Krug zum grünen Kranze
type: MusicRecording
duration: PT2M46S
duration ms: 166133
explicit: false
by artist: Traditional
by artist: Franz Schubert
by artist: Jörg-Peter Weigle
by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
  type: MusicAlbum
  date published: 2004-06-01
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DELV41701800
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:28:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb72c10fcbc6ecb2595de4e36a70945fc1a8f613ec40bf4d96b03293bf3c34cd5
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/DELV41701800
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72c10fcbc6ecb2595de4e36a70945fc1a8f613ec40bf4d96b03293bf3c34cd5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DELV41701800 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Im Krug zum grünen Kranze
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.808
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.083
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Märznacht "Horch! Wie brauset der Sturm"
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duration: PT2M7S
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by artist: Conradin Kreutzer
by artist: Franz Schubert
by artist: Jörg-Peter Weigle
by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
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  date published: 2004-06-01
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Märznacht "Horch! Wie brauset der Sturm"
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Deutsche Messe, D. 872: Sanctus. "Heilig, heilig ist der Herr"
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by artist: Franz Schubert
by artist: Jörg-Peter Weigle
by artist: Männerchor des Rundfunkchores Leipzig
in album: Männerchöre singen die 30 schönsten Volkslieder
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Deutsche Messe, D. 872: Sanctus. "Heilig, heilig ist der Herr"
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So nimm denn meine Hände
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duration: PT2M54S
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by artist: Friedrich Silcher
by artist: Franz Schubert
by artist: Männerchor des Rundfunkchores Leipzig
by artist: Jörg-Peter Weigle
in album: Männerchöre singen die 30 schönsten Volkslieder
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  date published: 2004-06-01
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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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T08:26:41Z
audio: So nimm denn meine Hände
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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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date published: 1996-01-01

Goethe: Klassische Vertonungen
type: MusicAlbum
date published: 2014-08-26

Die Schonsten Mannerchore
type: MusicAlbum
date published: 2010-03-22
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:39:04Z
  audio: Schifferlied: Es loscht das Meer die Sonne aus
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track: Hymne an die Nacht
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  duration: PT3M4S
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Das Testament: Im alten Fass zu Heidelberg
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  subject of: OpenTimestamps Proof of Existence
  audio: Das Testament: Im alten Fass zu Heidelberg
track: Des Mullers Lust und Leid, Op. 6: No. 1. Das Wandern ist des Mullers Lust
track: In einem kuhlen Grunde
track: 4 Lieder, Op. 75: No. 3. Trinklied
track: Hab oft im Kreis der Lieben
track: Suss Liebe liebt den Mai
track: Leyer und Schwerdt: No. 2. Lutzows wilde Jagd (Was glanzt dort im Walde im Sonnenschein), Op. 42, J. 168
track: Ich bete an die Macht der Liebe

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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb825f29a9a3a13cb060c94a53f760b24931b922eae0e4fcf6cf8be8b5d9f3cca. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB269900123 — a six-check JSON result.
date published: 2026-07-31T17:29:52Z

Das Testament: Im alten Fass zu Heidelberg
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Des Mullers Lust und Leid, Op. 6: No. 1. Das Wandern ist des Mullers Lust
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6ba75bac7a0edb71416e543c1f43e89e0cdb59f132ece8ee1bbb936ef9621d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932001 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: 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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duration: PT2M7S
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by artist: Friedrich Gluck
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Die Schonsten Mannerchore
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb45b5aee44548f045c61095fc10d7a61d7305e32229108db20a7b6804e49e5d2. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0931908 — a six-check JSON result.
  date published: 2026-07-08T03:39:04Z
audio: In einem kuhlen Grunde
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4 Lieder, Op. 75: No. 3. Trinklied
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duration: PT1M59S
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by artist: Felix Mendelssohn
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Die Schonsten Mannerchore
  type: MusicAlbum
  date published: 2010-03-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8494cd2c2dfe64d729156ecb8c639f64ee72bee0115f02f62984a4eb2f30d368. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0905809 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: 4 Lieder, Op. 75: No. 3. Trinklied
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Hab oft im Kreis der Lieben
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duration: PT2M42S
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by artist: Friedrich Silcher
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Die Schonsten Mannerchore
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  date published: 2010-03-22
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Hab oft im Kreis der Lieben
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Suss Liebe liebt den Mai
type: MusicRecording
duration: PT1M56S
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explicit: false
by artist: Traditional
by artist: MDR Leipzig Radio Chorus
by artist: Jörg Peter Weigle
in album: Die Schonsten Mannerchore
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genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Suss Liebe liebt den Mai
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Leyer und Schwerdt: No. 2. Lutzows wilde Jagd (Was glanzt dort im Walde im Sonnenschein), Op. 42, J. 168
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duration: PT1M21S
duration ms: 81000
explicit: false
by artist: Carl Maria von Weber
by artist: Leipzig Radio Chorus, male section
by artist: Jörg Peter Weigle
in album: Die Schonsten Mannerchore
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genre: classical
genre: opera
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T10:20:10Z
audio: Leyer und Schwerdt: No. 2. Lutzows wilde Jagd (Was glanzt dort im Walde im Sonnenschein), Op. 42, J. 168
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Ich bete an die Macht der Liebe
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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: Die Schonsten Mannerchore
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:20:19Z
audio: 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.
type: MusicAlbum
date published: 1995-01-01
track: Muss I denn zum Stadtele hinaus
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  by artist: Traditional
  by artist: MDR Leipzig Radio Chorus
  by artist: Jörg Peter Weigle
  in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
    type: MusicAlbum
    date published: 1995-01-01
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: US2TL0916501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T22:08:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0801ef921311565f9830179977d3f9f520a05eff214fb4381257352e12752f7e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960321
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960321
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T22:27:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0801ef921311565f9830179977d3f9f520a05eff214fb4381257352e12752f7e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916501 — a six-check JSON result.
    date published: 2026-07-30T22:27:30Z
  audio: Muss I denn zum Stadtele hinaus
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.055
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.373
    additional property: Energy
      type: PropertyValue
      value: 0.076
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.312
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.317
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.15
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ein Jager aus Kurpfalz
  type: MusicRecording
  duration: PT0M53S
  duration ms: 53333
  explicit: false
  by artist: Traditional
  by artist: Rundfunkchor Berlin
  by artist: Dietrich Knothe
  in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
    type: MusicAlbum
    date published: 1995-01-01
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: US2TL0916502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:45:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdafcc8350dc51ab2ce4d82430fe407dd733f0936551047e82e7dba43744670aa
  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/US2TL0916502
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdafcc8350dc51ab2ce4d82430fe407dd733f0936551047e82e7dba43744670aa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916502 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Ein Jager aus Kurpfalz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.748
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.677
    additional property: Energy
      type: PropertyValue
      value: 0.396
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.346
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.929
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.572
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224826
  explicit: false
  by artist: Carl Loewe
  by artist: Rundfunkchor Berlin
  by artist: Jörg Peter Weigle
  in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
    type: MusicAlbum
    date published: 1995-01-01
  isrc code: US2TL0916504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T19:47:27+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: 5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
track: Ave Maria, Op. 533, No. 3
track: Landkjending (Land-Sighting), Op. 31
track: Drunten Im Unterland (Down in the lowland)
track: Im Abendrot, D. 799 (arr. for male choir)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x68aa150875315fbe9e134b32dca741de7965de6ae4f3ea419fd2100d9078b1ec

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960456

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960456

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916504

OTSTimestamp
type: PropertyValue
value: 2026-07-31T19:53:57Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68aa150875315fbe9e134b32dca741de7965de6ae4f3ea419fd2100d9078b1ec. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916504 — a six-check JSON result.
date published: 2026-07-31T19:53:57Z

5 Humoresken, Op. 84: No. 3. Das war das Kloster Grabow
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 116.276
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.257
additional property: Energy
  type: PropertyValue
  value: 0.246
additional property: Speechiness
  type: PropertyValue
  value: 0.062
additional property: Acousticness
  type: PropertyValue
  value: 0.977
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.279
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.226
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.253
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Ave Maria, Op. 533, No. 3
type: MusicRecording
duration: PT5M41S
duration ms: 341493
explicit: false
by artist: Franz Abt
by artist: Ekkehard Wagner
by artist: Hans-Joachim Ribbe
by artist: MDR Leipzig Radio Chorus
by artist: Jörg Peter Weigle
in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
  type: MusicAlbum
  date published: 1995-01-01
isrc code: US2TL0916507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T21:17:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x62c60838b1df95fcfe56a23de4df6d1d1bb145f8b1115bf48ec43d9560151756
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916507
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c60838b1df95fcfe56a23de4df6d1d1bb145f8b1115bf48ec43d9560151756. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916507 — a six-check JSON result.
  date published: 2026-07-29T21:51:49Z
audio: Ave Maria, Op. 533, No. 3
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.238
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.13
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.462
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Landkjending (Land-Sighting), Op. 31
type: MusicRecording
duration: PT8M28S
duration ms: 508666
explicit: false
by artist: Edvard Grieg
by artist: Hans-Joachim Ribbe
by artist: MDR Leipzig Radio Chorus
by artist: Leipzig Radio Symphony Orchestra
by artist: Jörg Peter Weigle
in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
  type: MusicAlbum
  date published: 1995-01-01
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: US2TL0916510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:22:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc78dba84580ed462aac58293d4572f558b5aedeecc35c5277c34a1fc4904597
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/US2TL0916510
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc78dba84580ed462aac58293d4572f558b5aedeecc35c5277c34a1fc4904597. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916510 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Landkjending (Land-Sighting), Op. 31
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.02
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.173
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.122
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Drunten Im Unterland (Down in the lowland)
type: MusicRecording
duration: PT2M31S
duration ms: 151826
explicit: false
by artist: Traditional
by artist: MDR Leipzig Radio Chorus
by artist: Jörg Peter Weigle
in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
  type: MusicAlbum
  date published: 1995-01-01
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: US2TL0916518
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T12:26:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04253fc4ba78a04191ec27bd5d9de779419fcc98451f1eeeeaa0b2538b5d4a91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959128
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959128
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916518
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T12:33:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04253fc4ba78a04191ec27bd5d9de779419fcc98451f1eeeeaa0b2538b5d4a91. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0916518 — a six-check JSON result.
  date published: 2026-07-22T12:33:25Z
audio: Drunten Im Unterland (Down in the lowland)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.561
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.67
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Im Abendrot, D. 799 (arr. for male choir)
type: MusicRecording
duration: PT2M24S
duration ms: 144533
explicit: false
by artist: Anonymous
by artist: Franz Schubert
by artist: MDR Leipzig Radio Chorus
by artist: Jörg Peter Weigle
in album: Choral Music (Male Choir) - Lyra, J.W. / Loewe, C. / Beethoven, L. Van / Silcher, F. / Alfven, H. / Schubert, F. / Grieg, E. / Schumann, R.
  type: MusicAlbum
  date published: 1995-01-01
isrc code: US2TL0932021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:59:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e303393ec5970c9c56bec938473133826da4fae772a5b1c83776782ea140970
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960296
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960296
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932021
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:11:09Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e303393ec5970c9c56bec938473133826da4fae772a5b1c83776782ea140970. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0932021 — a six-check JSON result.
  date published: 2026-07-30T19:11:09Z
audio: Im Abendrot, D. 799 (arr. for male choir)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.41
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.101
  additional property: Energy
    type: PropertyValue
    value: 0.029
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.161
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sternstunden der Musik: Ludwig van Beethoven
type: MusicAlbum
date published: 2013-12-16