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track: Ein deutsches Requiem, Op. 45 (Bremen Version): I. Selig sind, die da Leid tragen
track: Ein deutsches Requiem, Op. 45 (Bremen Version): II. Denn alles Fleisch, es ist wie Gras
track: Ein deutsches Requiem, Op. 45 (Bremen Version): III. Herr, lehre doch mich
track: Ein deutsches Requiem, Op. 45 (Bremen Version): VI. Denn wir haben hie
track: Ein deutsches Requiem, Op. 45 (Bremen Version): IV. Wie lieblich sind Deine Wohnungen
track: Ein deutsches Requiem, Op. 45 (Bremen Version): VII. Selig sind die Toten
track: Der Messias: 16. Kommt her und seht das Lamm
track: Der Messias: 32. Halleluja

Ein deutsches Requiem, Op. 45 (Bremen Version): I. Selig sind, die da Leid tragen
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by artist: Cappella Vocale Blankenese
by artist: Chor der Kantorei St. Nikolai
by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
by artist: Compagnia Vocale Hamburg
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  date published: 2026-07-02T05:09:12Z
audio: Ein deutsches Requiem, Op. 45 (Bremen Version): I. Selig sind, die da Leid tragen
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Ein deutsches Requiem, Op. 45 (Bremen Version): II. Denn alles Fleisch, es ist wie Gras
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by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
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  date published: 2026-07-08T03:20:19Z
audio: Ein deutsches Requiem, Op. 45 (Bremen Version): II. Denn alles Fleisch, es ist wie Gras
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Ein deutsches Requiem, Op. 45 (Bremen Version): III. Herr, lehre doch mich
type: MusicRecording
duration: PT9M32S
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by artist: Cappella Vocale Blankenese
by artist: Chor der Kantorei St. Nikolai
by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
by artist: Compagnia Vocale Hamburg
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additional property: OTSVerifyInstructions
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  date published: 2026-07-07T16:07:00Z
audio: Ein deutsches Requiem, Op. 45 (Bremen Version): III. Herr, lehre doch mich
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Ein deutsches Requiem, Op. 45 (Bremen Version): VI. Denn wir haben hie
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by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
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  date published: 2026-07-14T18:13:17Z
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Ein deutsches Requiem, Op. 45 (Bremen Version): IV. Wie lieblich sind Deine Wohnungen
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  value: 2026-07-30T07:48:45+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAED2420070
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960222
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:48:45+00:00
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

Ein deutsches Requiem, Op. 45 (Bremen Version): VII. Selig sind die Toten
type: MusicRecording
duration: PT10M50S
duration ms: 650466
explicit: false
by artist: Johannes Brahms
by artist: Chor der KlangVerwaltung
by artist: Cappella Vocale Blankenese
by artist: Chor der Kantorei St. Nikolai
by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
by artist: Compagnia Vocale Hamburg
in album: Brahms: Ein deutsches Requiem
  type: MusicAlbum
  date published: 2025-02-21
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda1c3586d124abe3af07fc2b8f3cec5ede85df8f0922dfbb0f955b24a06d10a2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAED2420090.
  date published: 2026-07-29T19:35:34Z
audio: Ein deutsches Requiem, Op. 45 (Bremen Version): VII. Selig sind die Toten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.468
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.065
  additional property: Energy
    type: PropertyValue
    value: 0.111
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.965
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: SEAED2420090
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAED2420090
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
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

Der Messias: 16. Kommt her und seht das Lamm
type: MusicRecording
duration: PT2M56S
duration ms: 176613
explicit: false
by artist: George Frideric Handel
by artist: Chor der KlangVerwaltung
by artist: Cappella Vocale Blankenese
by artist: Chor der Kantorei St. Nikolai
by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
by artist: Compagnia Vocale Hamburg
in album: Brahms: Ein deutsches Requiem
  type: MusicAlbum
  date published: 2025-02-21
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e4ebf6a05213ae5f8923d80af8bfa302e9f90e65b391a36dd8866b857e9fd9. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/SEAED2420110.
  date published: 2026-07-30T09:57:33Z
audio: Der Messias: 16. Kommt her und seht das Lamm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.72
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.097
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.717
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: SEAED2420110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960240
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAED2420110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
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

Der Messias: 32. Halleluja
type: MusicRecording
duration: PT4M5S
duration ms: 245760
explicit: false
by artist: George Frideric Handel
by artist: Chor der KlangVerwaltung
by artist: Cappella Vocale Blankenese
by artist: Chor der Kantorei St. Nikolai
by artist: Franz-Schubert-Chor Hamburg
by artist: Hamburger Bachchor St. Petri
by artist: Jugendkantorei Volksdorf
by artist: Kammerchor Cantico
by artist: Vokalensemble conSonanz
by artist: Philharmonisches Staatsorchester Hamburg
by artist: Kent Nagano
by artist: Compagnia Vocale Hamburg
in album: Brahms: Ein deutsches Requiem
  type: MusicAlbum
  date published: 2025-02-21
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345ceb53fdcdd93c1cdc1c8ddb2b2aaafb76ac9e82f80e73009b3f7833065d5a. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/SEAED2420130.
  date published: 2026-07-30T16:01:17Z
audio: Der Messias: 32. Halleluja
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.919
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.346
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.977
  additional property: Liveness
    type: PropertyValue
    value: 0.277
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.845
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: SEAED2420130
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960276
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T16:01:17+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAED2420130
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960276
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:01:17+00:00
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