Philipp Kaven
type: MusicGroup
genre: choral
genre: requiem
popularity: 9
followers: 4
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T11:51:30Z
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track: Requiem canticles: VIII. Libera me
track: Johannes-Passion, BWV 245, Pt. 1: X. Derselbige Jünger (Recitative)
track: Johannes-Passion, BWV 245, Pt. 1: XII. Und Hannas sandte ihn gebunden (Recitative)

Requiem canticles: VIII. Libera me
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by artist: Igor Stravinsky
by artist: Collegium Vocale Gent
by artist: Royal Flemish Philharmonic
by artist: Philippe Herreweghe
by artist: Elisabeth Rapp
by artist: Marlen Herzog
by artist: Tom Phillips
by artist: Philipp Kaven
in album: Stravinsky: Threni & Requiem Canticles
  type: MusicAlbum
  date published: 2016-05-20
isrc code: BER181602015
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe248f7414fd824cdab64e1c281be3f6de2e366c399356c00a7bebf9f0752420d. 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/BER181602015.
  date published: 2026-07-08T08:56:20Z
audio: Requiem canticles: VIII. Libera me
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Johannes-Passion, BWV 245, Pt. 1: X. Derselbige Jünger (Recitative)
type: MusicRecording
duration: PT2M43S
duration ms: 163303
explicit: false
by artist: Johann Sebastian Bach
by artist: Collegium Vocale Gent
by artist: Philippe Herreweghe
by artist: Maximilian Schmitt
by artist: Magdalena Podkościelna
by artist: Philipp Kaven
by artist: Krešimir Stražanac
by artist: Stephan Gähler
in album: Bach: Johannes-Passion, BWV 245
  type: MusicAlbum
  date published: 2020-02-14
genre: classical
genre: classical-piano
isrc code: BER181903110
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Johannes-Passion, BWV 245, Pt. 1: X. Derselbige Jünger (Recitative)
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Johannes-Passion, BWV 245, Pt. 1: XII. Und Hannas sandte ihn gebunden (Recitative)
type: MusicRecording
duration: PT2M2S
duration ms: 122778
explicit: false
by artist: Johann Sebastian Bach
by artist: Collegium Vocale Gent
by artist: Philippe Herreweghe
by artist: Maximilian Schmitt
by artist: Philipp Kaven
by artist: Stephan Gähler
in album: Bach: Johannes-Passion, BWV 245
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  date published: 2020-02-14
genre: classical
genre: classical-piano
isrc code: BER181903112
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Johannes-Passion, BWV 245, Pt. 1: XII. Und Hannas sandte ihn gebunden (Recitative)
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