Dortmunder Philharmoniker
type: MusicGroup
description: The Dortmunder Philharmoniker (Dortmund Philharmonic) is a German symphony orchestra based in Dortmund. The orchestra of the Theater Dortmund performs opera in the Opernhaus Dortmund and concerts in t
popularity: 20
followers: 434
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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
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album: Mahler: The Complete Symphonies (Live)
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  date published: 2022-04-15
track: Prélude À L'après-Midi D'un Faune
track: La Mer I. - De L'aube À Midi Sur La Mer - Très Lent
track: La Mer II. - Jeux De Vague - Allegro

Prélude À L'après-Midi D'un Faune
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by artist: Marc Romboy
by artist: Dortmunder Philharmoniker
in album: Reconstructing Debussy
  type: MusicAlbum
  date published: 2017-07-07
genre: german-techno
genre: minimal-techno
genre: german-house
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Prélude À L'après-Midi D'un Faune
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La Mer I. - De L'aube À Midi Sur La Mer - Très Lent
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duration: PT11M46S
duration ms: 706486
explicit: false
by artist: Marc Romboy
by artist: Dortmunder Philharmoniker
in album: Reconstructing Debussy
  type: MusicAlbum
  date published: 2017-07-07
genre: german-techno
genre: minimal-techno
genre: german-house
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  date published: 2026-07-08T08:56:20Z
audio: La Mer I. - De L'aube À Midi Sur La Mer - Très Lent
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La Mer II. - Jeux De Vague - Allegro
type: MusicRecording
duration: PT17M33S
duration ms: 1053649
explicit: false
by artist: Marc Romboy
by artist: Dortmunder Philharmoniker
in album: Reconstructing Debussy
  type: MusicAlbum
  date published: 2017-07-07
genre: german-techno
genre: minimal-techno
genre: german-house
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
audio: La Mer II. - Jeux De Vague - Allegro
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch