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type: MusicGroup
genre: requiem
popularity: 14
followers: 55
additional property: CopyrightID
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: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/283f49cd-d22b-40f9-b9c9-e83478cb4e50.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/283f49cd-d22b-40f9-b9c9-e83478cb4e50.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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 0xf0b19e362b3c6c7922b762439810be09a6f75bac34ec040d1f19e8687b39fe54. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/283f49cd-d22b-40f9-b9c9-e83478cb4e50.json and https://artists.proofprofile.net/proofs/artist/283f49cd-d22b-40f9-b9c9-e83478cb4e50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
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track: Matthäuspassion, BWV 244: 16. Rezitativ. "Petrus aber antwortete und sprach zu ihm" (Evangelist, Petrus, Jesus)
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  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Chor & Orchester der J.S. Bach-Stiftung
  by artist: Rudolf Lutz
  by artist: Charles Daniels
  by artist: Manuel Walser
  by artist: Peter Harvey
  in album: Matthäuspassion, BWV 244
    type: MusicAlbum
    date published: 2014-03-05
  popularity: 2
  genre: classical
  genre: classical-piano
  isrc code: CH9211100198
  additional property: CopyrightID
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100198
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xb936b9e41ff947952fd08c65defd5cd35c11bc068d41686654ed5ba066b08a93. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100198.
    date published: 2026-07-02T03:55:08Z
  audio: Matthäuspassion, BWV 244: 16. Rezitativ. "Petrus aber antwortete und sprach zu ihm" (Evangelist, Petrus, Jesus)
    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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track: Matthäuspassion, BWV 244: 38. Rezitativ und Chor. "Petrus aber sass draussen im Palast" (Evangelist, 1. & 2. Magd, Petrus)
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  duration: PT2M19S
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  by artist: Johann Sebastian Bach
  by artist: Chor & Orchester der J.S. Bach-Stiftung
  by artist: Rudolf Lutz
  by artist: Charles Daniels
  by artist: Manuel Walser
  by artist: Mirjam Berli
  by artist: Susanne Frei
  in album: Matthäuspassion, BWV 244
    type: MusicAlbum
    date published: 2014-03-05
  popularity: 1
  genre: classical
  genre: classical-piano
  isrc code: CH9211100220
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211100220
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  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 0x89d43af1afdbf3d576bcd0339cfa305a3903151ce8bef828d57d513ade6af8f4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/CH9211100220.
    date published: 2026-07-06T07:16:32Z
  audio: Matthäuspassion, BWV 244: 38. Rezitativ und Chor. "Petrus aber sass draussen im Palast" (Evangelist, 1. & 2. Magd, Petrus)
    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: Speechiness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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track: Trauerfestakt, BWV 198 "Laß, Fürstin, laß noch einen Strahl": IX. Rezitativ. "Was Wunder ists" (Bass) - Live
track: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": IV. Rezitativ. "Ein ird'scher Glanz, ein leiblich Licht" (Bass)
track: Wo soll ich fliehen hin, BWV 5: 2. Rezitativ (Bass): Der Sünden Wust hat mich nicht nur befleckt - Live
track: Kantate zum 1. Advent, BWV 61 Nun komm, der Heiden Heiland: IV. Rezitativ. Siehe, ich stehe vor der Tür (Bass) - Live
track: Missa solemnis in D Major, Op. 123: I. Kyrie: Kyrie eleison. Assai sostenuto
track: Missa solemnis in D Major, Op. 123: I. Kyrie: Christe eleison. Andante assai ben marcato
track: Missa solemnis in D Major, Op. 123: I. Kyrie: Kyrie eleison. Tempo primo
track: Missa solemnis in D major, Op. 123: II. Gloria: in excelsis Deo. Allegro vivace Gloria
track: Missa solemnis in D major, Op. 123: II. Gloria: Gratias agimus tibi. Meno allegro
track: Missa solemnis in D major, Op. 123: II. Gloria: Qui tollis peccata mundi. Larghetto
track: Missa solemnis in D major, Op. 123: II. Gloria: Quoniam tu solus sanctus. Allegro maestoso
track: Missa solemnis in D major, Op. 123: II. Gloria:In gloria Dei patris. Allegro, ma non troppo e ben marcato

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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Trauerfestakt, BWV 198 "Laß, Fürstin, laß noch einen Strahl": IX. Rezitativ. "Was Wunder ists" (Bass) - Live
type: MusicRecording
duration: PT2M13S
duration ms: 133299
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Manuel Walser
in album: Bachkantate, BWV 198 - Laß, Fürstin, laß noch einen Strahl (Live)
  type: MusicAlbum
  date published: 2016-09-21
popularity: 1
genre: classical
genre: classical-piano
isrc code: CH9211600009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x777544a6167a6e2d34e62e60ac57eea2d4ed9b15bb6d63ae22e9449eba9b585e
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/CH9211600009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x777544a6167a6e2d34e62e60ac57eea2d4ed9b15bb6d63ae22e9449eba9b585e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/CH9211600009.
  date published: 2026-07-31T12:24:41Z
audio: Trauerfestakt, BWV 198 "Laß, Fürstin, laß noch einen Strahl": IX. Rezitativ. "Was Wunder ists" (Bass) - Live
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  additional property: Tempo (BPM)
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    value: 123.825
  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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": IV. Rezitativ. "Ein ird'scher Glanz, ein leiblich Licht" (Bass)
type: MusicRecording
duration: PT0M58S
duration ms: 58053
explicit: false
by artist: Johann Sebastian Bach
by artist: Chor & Orchester der J.S. Bach-Stiftung
by artist: Rudolf Lutz
by artist: Manuel Walser
in album: Bachkantaten N°3 (BWV 132, 35, 1)
  type: MusicAlbum
  date published: 2012-05-30
popularity: 0
genre: classical
genre: classical-piano
isrc code: CH9211100052
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:43:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66e733b4000b03bb6930b33af98b0674fec63d1e7f39dfc328f1b798e191f7cb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 0x66e733b4000b03bb6930b33af98b0674fec63d1e7f39dfc328f1b798e191f7cb. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/CH9211100052.
  date published: 2026-07-31T23:51:35Z
audio: Kantate zum Feste Mariae Verkündigung, BWV 1 "Wie schön leuchtet der Morgenstern": IV. Rezitativ. "Ein ird'scher Glanz, ein leiblich Licht" (Bass)
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  additional property: Tempo (BPM)
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Wo soll ich fliehen hin, BWV 5: 2. Rezitativ (Bass): Der Sünden Wust hat mich nicht nur befleckt - Live
type: MusicRecording
duration: PT1M20S
duration ms: 80090
explicit: false
by artist: Johann Sebastian Bach
by artist: Orchester der J. S. Bach-Stiftung
by artist: Manuel Walser
by artist: Rudolf Lutz
in album: Bachkantate, BWV 5 - Wo soll ich fliehen hin (Live)
  type: MusicAlbum
  date published: 2018-07-31
genre: classical
genre: classical-piano
isrc code: CH9211900078
additional property: CopyrightID
additional property: CopyrightStatus
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  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
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH9211900078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
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 0xe308beae0af732ec4d35f70551bc6ba9eae335d4b17dde6bd1d1a5a7b1e698c6. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/CH9211900078.
  date published: 2026-07-30T09:58:01Z
audio: Wo soll ich fliehen hin, BWV 5: 2. Rezitativ (Bass): Der Sünden Wust hat mich nicht nur befleckt - Live
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Kantate zum 1. Advent, BWV 61 Nun komm, der Heiden Heiland: IV. Rezitativ. Siehe, ich stehe vor der Tür (Bass) - Live
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Missa solemnis in D Major, Op. 123: I. Kyrie: Kyrie eleison. Assai sostenuto
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Missa solemnis in D Major, Op. 123: I. Kyrie: Christe eleison. Andante assai ben marcato
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Missa solemnis in D Major, Op. 123: I. Kyrie: Kyrie eleison. Tempo primo
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Missa solemnis in D major, Op. 123: II. Gloria: in excelsis Deo. Allegro vivace Gloria
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Missa solemnis in D major, Op. 123: II. Gloria: Gratias agimus tibi. Meno allegro
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Missa solemnis in D major, Op. 123: II. Gloria: Qui tollis peccata mundi. Larghetto
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Missa solemnis in D major, Op. 123: II. Gloria: Quoniam tu solus sanctus. Allegro maestoso
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subject of: OpenTimestamps Proof of Existence
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Missa solemnis in D major, Op. 123: II. Gloria:In gloria Dei patris. Allegro, ma non troppo e ben marcato
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:12:10Z
audio: Missa solemnis in D major, Op. 123: II. Gloria:In gloria Dei patris. Allegro, ma non troppo e ben marcato
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