Lisa Otto
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genre: opera
description: Lisa Otto (14 November 1919 – 18 September 2013) was a German operatic soprano, particularly associated with soubrette and light coloratura soprano roles. Born in Dresden, she studied there at the Mu
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album: Die Zauberflöte (The Magic Flute), K. 620
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album: Ariadne Auf Naxos
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album: Mozart: Die Entführung aus dem Serail, K. 384
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  track: Suite No. 3 in D Major, BWV 1068: II. Air
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  track: Herz und Mund und Tat und Leben, BWV 147, Pt. 2: X. Chorale, Jesu bleibet meine Freude (Piano Version)
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  track: Violin Concerto in A Minor, BWV 1041: I. Allegro
  track: Cantata No. 208 'Sheep may safely graze' (arr. Marinner)
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Die Zauberflöte, K. 620, Act II: No. 21, Finale: g. Duet. Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
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Herz und Mund und Tat und Leben, BWV 147, Pt. 2: X. Chorale, Jesu bleibet meine Freude (Piano Version)
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Goldberg Variations, BWV 988: II. Variation 1 a 1 clav.
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Violin Concerto in A Minor, BWV 1041: I. Allegro
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Cantata No. 208 'Sheep may safely graze' (arr. Marinner)
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subject of: OpenTimestamps Proof of Existence
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Mass in B Minor, BWV 232, Symbolum Nicenum: No. 16, Et incarnatus est (Chorus)
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. Allegro
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audio: Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. Allegro
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Study - Bach
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Lovely Classique Musique Sacrée
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Mozart 111 Vol. 2
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Johann Sebastian Bach: The Collection
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Meister der Operette: Franz Lehár
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50 Plus Grands Succès : Musique sacrée
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track: Herz und Mund und Tat und Leben, Cantata BWV 147 / Pt. 2: 10. "Jesus bleibet meine Freude"
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Requiem In D Minor, K.626: 3. Sequentia: Lacrimosa
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Miserere
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Herz und Mund und Tat und Leben, Cantata BWV 147 / Pt. 2: 10. "Jesus bleibet meine Freude"
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Mass in B Minor, BWV 232 / Credo: Crucifixus - Live
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Stabat Mater: 8. Fac ut ardeat
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Coronation Anthem No. 1, HWV 258: Zadok the Priest
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audio: Coronation Anthem No. 1, HWV 258: Zadok the Priest
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Stabat Mater, RV 621: 1. Stabat Mater (Largo)
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Ave Maria: arr. from Bach's Prelude No.1 BWV 846
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Requiem, Op.48: 4. Pie Jesu
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4 Motets Pour Un Temps De Pénitence: Timor Et Tremor
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Wachet auf, ruft uns die Stimme, Cantata BWV 140: 4. "Zion hört die Wächter singen"
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The Originals - Legendary Recordings From The Deutsche Grammophon Catalogue
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Wagner - Masterwork
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Centenary Edition 1913 - 2013 Berliner Philharmoniker
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Querschnitt durch das Kinderklassik-Repertoire
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track: Die Zauberflöte, K. 620, Act I: No. 1, Zu Hilfe! Zu Hilfe!
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Die Zauberflöte, K. 620, Act I: No. 3, Dies Bildnis ist bezaubernd schön
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Die Zauberflöte, K. 620, Act I: No. 7, Duet. Bei Männern, welche Liebe fühlen
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  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd16a741462860f14aa8f9bcae2bbcf8981b571bd336c1a80482e16e68fe4a74d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430608.
  date published: 2026-07-06T06:56:49Z
audio: Die Zauberflöte, K. 620, Act II: No. 13, Alles fühlt der Liebe Freuden
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  additional property: Musical Key
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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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Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
type: MusicRecording
duration: PT2M56S
duration ms: 176826
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Roberta Peters
by artist: Berliner Philharmoniker
by artist: Karl Böhm
in album: Mozart: Die Zauberflote K620 - Highlights
  type: MusicAlbum
  date published: 1964-01-01
popularity: 29
genre: classical
genre: classical-era
isrc code: DEF056430609
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/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430609
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a2d9cc39e2097e47d6499a79390f9691a260cc694b7081debceb4c0d5448f0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430609.
  date published: 2026-06-13T13:32:09Z
audio: Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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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
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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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  additional property: Key Name
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Die Zauberflöte, K. 620, Act II: No. 16, Trio. Seid uns zum zweiten Mal willkommen
type: MusicRecording
duration: PT1M49S
duration ms: 109333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Rosl Schwaiger
by artist: Antonia Fahberg
by artist: Raili Kostia
by artist: Berliner Philharmoniker
by artist: Karl Böhm
in album: Mozart: Die Zauberflote K620 - Highlights
  type: MusicAlbum
  date published: 1964-01-01
popularity: 7
genre: classical
genre: classical-era
isrc code: DEF056430611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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/DEF056430611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab336083346dceb2704f3c0ffa388a78afd522b150af1f5c0bc2b6eac8850299. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430611.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act II: No. 16, Trio. Seid uns zum zweiten Mal willkommen
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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
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  additional property: Instrumentalness
    type: PropertyValue
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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: Mode Name
    type: PropertyValue
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Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
type: MusicRecording
duration: PT4M28S
duration ms: 268333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Evelyn Lear
by artist: Berliner Philharmoniker
by artist: Karl Böhm
in album: Mozart: Die Zauberflote K620 - Highlights
  type: MusicAlbum
  date published: 1964-01-01
popularity: 7
genre: classical
genre: classical-era
isrc code: DEF056430612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430612
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabbcbf2363f81b40e2214dd12b344b7eaee94beaf233a4d92e70b3d4b799a38. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430612.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act II: No. 17, Ach, ich fühl's
  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
    value: 0.027
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.343
  additional property: Key Name
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  additional property: Mode Name
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Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne "Chorus of the Priests"
type: MusicRecording
duration: PT3M6S
duration ms: 186666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: RIAS Kammerchor
by artist: Berliner Philharmoniker
by artist: Karl Böhm
in album: Mozart: Die Zauberflote K620 - Highlights
  type: MusicAlbum
  date published: 1964-01-01
popularity: 7
genre: classical
genre: classical-era
isrc code: DEF056430613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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/DEF056430613
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911536999c24561527dfd96cc5762c9fa8d19cb3dcaa9e491003c348efb60970. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430613.
  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, K. 620, Act II: No. 18, O Isis und Osiris, welche Wonne "Chorus of the Priests"
  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)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.189
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.523
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
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  additional property: Mode Name
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Fritz Wunderlich - Der große deutsche Tenor
type: MusicAlbum
date published: 1990-10-02
track: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187106
  explicit: false
  by artist: George Frideric Handel
  by artist: Fritz Wunderlich
  by artist: Bavarian State Orchestra
  by artist: Hans Müller-Kray
  in album: Fritz Wunderlich - Der große deutsche Tenor
    type: MusicAlbum
    date published: 1990-10-02
  popularity: 7
  genre: classical
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  isrc code: DEA340702058
  additional property: CopyrightID
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    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x240f918bf0de1c26875f8122cb31b96a977d3c0a8e9b5ba1623404ed682c5673
  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/DEA340702058
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x240f918bf0de1c26875f8122cb31b96a977d3c0a8e9b5ba1623404ed682c5673. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702058.
    date published: 2026-07-08T03:53:27Z
  audio: Handel: Serse, HWV 40, Act 1, Scene 1: Arioso. "Ombra mai fù" (Serse)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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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)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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Icon: Fritz Wunderlich
type: MusicAlbum
date published: 2010-08-09
track: Eine Nacht in Venedig, Act I: "Komm' in die Gondel"
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  duration: PT2M57S
  duration ms: 177453
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  by artist: Johann Strauss II
  by artist: Fritz Wunderlich
  by artist: Fried Walter
  by artist: Berliner Symphoniker
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    type: MusicAlbum
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340000829
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf68e7cfce17f34afa95c931efef740031b8d0137844bc6c57d3c7be4c621b90b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340000829.
    date published: 2026-07-08T08:56:20Z
  audio: Eine Nacht in Venedig, Act I: "Komm' in die Gondel"
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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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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ROSAND: Aaron Rosand Plays Violin Romances & Heifetz Transcriptions
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Legenden der Operette: Fritz Wunderlich
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Legenden der Operette: Rudolf Schock
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Wagner: Highlights
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Die schönsten Chöre
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I Tesori della Musica - Sacra
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track: Miserere
track: Stabat Mater, FP 148: XII. Quando corpus
track: Stabat Mater, P. 77: I. Stabat Mater dolorosa
track: Nulla in mundo pax, R.630: 1. Nulla in mundo pax sincera - Edit

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Miserere
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T08:56:20Z
audio: Miserere
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Stabat Mater, FP 148: XII. Quando corpus
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duration: PT3M46S
duration ms: 226306
explicit: false
by artist: Francis Poulenc
by artist: Kathleen Battle
by artist: Boston Symphony Orchestra
by artist: Seiji Ozawa
by artist: Tanglewood Festival Chorus
by artist: John Oliver
in album: I Tesori della Musica - Sacra
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genre: classical
genre: early-modern-classical
genre: neoclassicism
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b7477527a761b575e0fdc11861d6e3fd024986af721387d7becb99ca04eb61. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058731312.
  date published: 2026-07-08T03:39:04Z
audio: Stabat Mater, FP 148: XII. Quando corpus
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Stabat Mater, P. 77: I. Stabat Mater dolorosa
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duration: PT4M39S
duration ms: 279986
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by artist: Giovanni Battista Pergolesi
by artist: Margaret Marshall
by artist: Lucia Valentini Terrani
by artist: London Symphony Orchestra
by artist: Claudio Abbado
by artist: Leslie Pearson
in album: I Tesori della Musica - Sacra
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  date published: 2011-01-01
genre: classical
genre: choral
genre: requiem
isrc code: DEF058330301
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9103727f1c8809e36b40c5ee275b43bc6a8d34664895be33f99834e0bcfc5932. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058330301.
  date published: 2026-07-08T03:22:41Z
audio: Stabat Mater, P. 77: I. Stabat Mater dolorosa
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Nulla in mundo pax, R.630: 1. Nulla in mundo pax sincera - Edit
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duration: PT2M50S
duration ms: 170053
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by artist: Emma Kirkby
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: I Tesori della Musica - Sacra
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isrc code: GBBBA7850330
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
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Nulla in mundo pax, R.630: 1. Nulla in mundo pax sincera - Edit
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R. Strauss: Ariadne auf Naxos
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date published: 1999-07-01
track: Strauss, R: Ariadne auf Naxos, Op. 60, Opera: "Hübsch gepredigt! Aber tauben Ohren!" (Harlekin, Zerbinetta, Brighella, Scaramuccio, Truffaldin)
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  by artist: Richard Strauss
  by artist: Herbert von Karajan
  by artist: Fritz Ollendorff
  by artist: Gerhard Unger
  by artist: Helmut Krebs
  by artist: Hermann Prey
  by artist: Rita Streich
  by artist: Philharmonia Orchestra
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    date published: 1999-07-01
  genre: classical
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  isrc code: GBAYC9900491
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478d6ba2328d491b7444c868556f3baa77c31c7b08826be1bc21a403da90b83f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9900491.
    date published: 2026-07-08T03:53:27Z
  audio: Strauss, R: Ariadne auf Naxos, Op. 60, Opera: "Hübsch gepredigt! Aber tauben Ohren!" (Harlekin, Zerbinetta, Brighella, Scaramuccio, Truffaldin)
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    additional property: Valence (Positivity)
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track: Strauss, R: Ariadne auf Naxos, Op. 60, Prologue: "Für einen Bacchus!" (Tenor, Composer, Wigmaker)
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  duration: PT0M42S
  duration ms: 42133
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  by artist: Richard Strauss
  by artist: Herbert von Karajan
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    date published: 1999-07-01
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
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La Flauta Mágica, Mozart, Grandes Óperas
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date published: 2015-07-07
track: The Magic Flute, K. 620, Act I: "Zu Hilfe! Zu Hilfe!"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: The Magic Flute, K. 620, Act I: "O zitt're nicht, mein lieber Sohn"
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  subject of: OpenTimestamps Proof of Existence
  audio: The Magic Flute, K. 620, Act I: "O zitt're nicht, mein lieber Sohn"
track: The Magic Flute, K. 620, Act II: "O Isis und Osiris"
track: The Magic Flute, K. 620, Act II: "Ach, ich fühl's, es ist verschwunder"
track: The Magic Flute, K. 620, Act II: "Papagena, Papagena, Papagena! Weibchen! Täubchen!"

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

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

The Magic Flute, K. 620, Act I: "O zitt're nicht, mein lieber Sohn"
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The Magic Flute, K. 620, Act II: "O Isis und Osiris"
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by artist: Ferenc Fricsay
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additional property: OTSVerificationAPI
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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: The Magic Flute, K. 620, Act II: "O Isis und Osiris"
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The Magic Flute, K. 620, Act II: "Ach, ich fühl's, es ist verschwunder"
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by artist: RIAS-Symphonie-Orchester
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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The Magic Flute, K. 620, Act II: "Papagena, Papagena, Papagena! Weibchen! Täubchen!"
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by artist: Maria Reith
by artist: Diana Eustrati
by artist: Dietrich Fischer-Dieskau
by artist: Ferenc Fricsay
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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: 2026-07-08T03:22:41Z
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Mozart: Die Zauberflöte
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date published: 1955-01-01
track: Die Zauberflöte, K.620: Overture
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Die Himmel Ruhmen (The Heavens Are Sounding)
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date published: 1988-01-01
track: Transeamus usque Bethlehem
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40df1ac6b714baad08ad32e6ec07ac71885e49f2e06e8db53ca8a30b9e63a8b9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056200380.
    date published: 2026-07-08T03:53:27Z
  audio: Transeamus usque Bethlehem
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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  by artist: Berliner Händel-Chor
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Günther Arndt
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    date published: 1988-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3389761ab9ea5b84c41a4764fc10622b61337a3e138045e24abe66a357ee218e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056200400.
    date published: 2026-07-08T03:53:27Z
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track: Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)
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  by artist: Charles Gounod
  by artist: Lisa Otto
  by artist: Berliner Händel-Chor
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Günther Arndt
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  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)

CopyrightChainExplorerURL
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OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957145

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67bc2a30a148e496c2dede6d14d53906e4d88c8b8d3e705f68e29836c965f9f2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056200410.
date published: 2026-07-08T08:56:20Z

Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)
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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Mozart: Don Giovanni, Nozze di Figaro & Cosi fan tutte
type: MusicAlbum
date published: 2015-02-09

Weber: Der Freischütz
type: MusicAlbum
date published: 2016-03-04
track: Der Freischütz: Schau der Herr mich an als König (Chor, Kilian, Max)
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  by artist: Berliner Philharmoniker
  by artist: Joseph Keilberth
  by artist: Chor der Deutschen Oper Berlin
  by artist: Wilhelm Walter Dicks
  by artist: Rudolf Schock
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    type: MusicAlbum
    date published: 2016-03-04
  genre: classical
  genre: opera
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Der Freischütz: Schau der Herr mich an als König (Chor, Kilian, Max)
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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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Bach: Cantates "Du café" & "Des paysans" (Mono Version)
type: MusicAlbum
date published: 1962-01-01

Bach: "Cantate des paysans", BWV 212 & "Cantate du café", BWV 211 (Stereo Version)
type: MusicAlbum
date published: 1962-01-01

Schubert: German Mass In F D.872
type: MusicAlbum
date published: 1961

Oster Passionen
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date published: 2020-04-08
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  by artist: Suddeutscher Madrigalchor
  by artist: Wolfgang Gönnenwein
  by artist: Consortium Musicum
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  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: St. Matthew Passion, BWV 244, Pt. 1: No. 1, Kommt, ihr Töchter, helft mir klagen
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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track: St. Matthew Passion, BWV 244, Pt. 1: No. 8, Da Das Jesus Merkete (Evangelist - Jesus)
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  by artist: Franz Crass
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  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  additional property: OTSBitcoinBlock
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  subject of: OpenTimestamps Proof of Existence
  audio: St. Matthew Passion, BWV 244, Pt. 1: No. 9, Du Lieber Heiland Du (Alt)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 11, Rezitativ: Da Ging Hin Der Zwölfen Einer (Evangelist - Judas)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 16, Choral: Ich Bin'S, Ich Sollte Büßen (Chor)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 22, Rezitativ: Petrus Aber Antwortete Und Sprach Zu Ihm (Evangelist - Petrus - Jesus)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 31, Choral: Was Mein Gott Will (Chor)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 33b, Chor: Sind Blitze, Sind Donner In Wolken Verschwunden?
track: St. Matthew Passion, BWV 244, Pt. 1: No. 34, Rezitativ: Und Siehe, Einer Aus Denen, Die Mit Jesus Waren, Reckte Die Hand Aus (Evangelist - Jesus)
track: St. Matthew Passion, BWV 244, Pt. 1: No. 35, Choral: O Mensch, Bewein' Dein Sünde Groß (Chor)

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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd81d15aff8d73d6443181bd549b77973c122f7389fdc5ccb0d2297767c3669. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702446.
date published: 2026-07-08T03:53:27Z

St. Matthew Passion, BWV 244, Pt. 1: No. 9, Du Lieber Heiland Du (Alt)
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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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St. Matthew Passion, BWV 244, Pt. 1: No. 11, Rezitativ: Da Ging Hin Der Zwölfen Einer (Evangelist - Judas)
type: MusicRecording
duration: PT0M39S
duration ms: 39840
explicit: false
by artist: Johann Sebastian Bach
by artist: Siegfried Haertel
by artist: Theo Altmeyer
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702448
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additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf43e0689253fd5f6ae161c0612c28364171e20e56694cf9d5abc133b5bb1dfe0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702448.
  date published: 2026-07-08T03:53:27Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 11, Rezitativ: Da Ging Hin Der Zwölfen Einer (Evangelist - Judas)
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St. Matthew Passion, BWV 244, Pt. 1: No. 16, Choral: Ich Bin'S, Ich Sollte Büßen (Chor)
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duration: PT1M3S
duration ms: 63200
explicit: false
by artist: Johann Sebastian Bach
by artist: Suddeutscher Madrigalchor
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702455
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83bed8f56879b99d0931708101dff695ccc2268fdd43fadf421bf31f2baab469. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702455.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 16, Choral: Ich Bin'S, Ich Sollte Büßen (Chor)
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St. Matthew Passion, BWV 244, Pt. 1: No. 22, Rezitativ: Petrus Aber Antwortete Und Sprach Zu Ihm (Evangelist - Petrus - Jesus)
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duration: PT1M11S
duration ms: 71400
explicit: false
by artist: Johann Sebastian Bach
by artist: Franz Crass
by artist: Hans Sotin
by artist: Theo Altmeyer
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702461
additional property: CopyrightID
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3b443a9a97c762102306500dbf8d612ae6966ba6a201cf24e9c38b76bee499. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702461.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 22, Rezitativ: Petrus Aber Antwortete Und Sprach Zu Ihm (Evangelist - Petrus - Jesus)
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St. Matthew Passion, BWV 244, Pt. 1: No. 31, Choral: Was Mein Gott Will (Chor)
type: MusicRecording
duration: PT1M17S
duration ms: 77440
explicit: false
by artist: Johann Sebastian Bach
by artist: Suddeutscher Madrigalchor
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702470
additional property: CopyrightID
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd54baa815c3fee50341e6d935a0f1c3471db9fa59b77e68da93e0125e8cb1bd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702470.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 31, Choral: Was Mein Gott Will (Chor)
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  additional property: Valence (Positivity)
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St. Matthew Passion, BWV 244, Pt. 1: No. 33b, Chor: Sind Blitze, Sind Donner In Wolken Verschwunden?
type: MusicRecording
duration: PT1M24S
duration ms: 84066
explicit: false
by artist: Johann Sebastian Bach
by artist: Suddeutscher Madrigalchor
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702473
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
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7de9692462ad82d97d49403ae1ac9f0b0fbbee0817cf1163a4afe7c2eb2127f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702473.
  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 33b, Chor: Sind Blitze, Sind Donner In Wolken Verschwunden?
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    type: PropertyValue
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St. Matthew Passion, BWV 244, Pt. 1: No. 34, Rezitativ: Und Siehe, Einer Aus Denen, Die Mit Jesus Waren, Reckte Die Hand Aus (Evangelist - Jesus)
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duration: PT2M48S
duration ms: 168000
explicit: false
by artist: Johann Sebastian Bach
by artist: Franz Crass
by artist: Theo Altmeyer
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
isrc code: DEA340702474
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
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92945fc73b96b3c3c941f7110825ed01b280b0acd86f5c88d4feb6b32c1fd7a4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340702474.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 34, Rezitativ: Und Siehe, Einer Aus Denen, Die Mit Jesus Waren, Reckte Die Hand Aus (Evangelist - Jesus)
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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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St. Matthew Passion, BWV 244, Pt. 1: No. 35, Choral: O Mensch, Bewein' Dein Sünde Groß (Chor)
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duration: PT7M21S
duration ms: 441000
explicit: false
by artist: Johann Sebastian Bach
by artist: Suddeutscher Madrigalchor
by artist: Wolfgang Gönnenwein
by artist: Consortium Musicum
in album: Oster Passionen
  type: MusicAlbum
  date published: 2020-04-08
genre: classical
genre: classical-piano
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additional property: CopyrightID
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: St. Matthew Passion, BWV 244, Pt. 1: No. 35, Choral: O Mensch, Bewein' Dein Sünde Groß (Chor)
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Bach: Passion selon Saint Jean (Stereo Version)
type: MusicAlbum
date published: 1962-01-01

Franz Von Suppe Overtures and Highlights from Boccaccio
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date published: 2025-03-24
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  by artist: Sir Adrian Boult
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Light Cavalry
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    additional property: Mode (Major/Minor)
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Ave Maria
type: MusicAlbum
date published: 1988-01-01
track: Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)
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  duration: PT3M16S
  duration ms: 196093
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  by artist: Charles Gounod
  by artist: Lisa Otto
  by artist: Berliner Händel-Chor
  by artist: Deutsches Symphonie-Orchester Berlin
  by artist: Günther Arndt
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    type: MusicAlbum
    date published: 1988-01-01
  genre: opera
  isrc code: DEF056200410
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
  audio: Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)
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Wagner: Tannhäuser und der Sängerkrieg auf Wartburg
type: MusicAlbum
date published: 2014-12-05

Mozart: Così fan tutte
type: MusicAlbum
date published: 2013-05-10
track: Così fan tutte, Act I, Scene 2: "Oh, Dei, come veloce se ne va quella barca!"
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  by artist: Herbert von Karajan
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  by artist: Nan Merriman
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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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Künneke: Der Vetter aus Dingsda
type: MusicAlbum
date published: 2015-01-22

Wagner: Tannhäuser (Stereo Version, Dresden Version)
type: MusicAlbum
date published: 1962-01-01