DR VokalEnsemblet
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followers: 20
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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: 2026-06-17T08:11:48Z
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album: Gade: Erlkönigs Tochter
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album: Bent Sørensen: Snowbells
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album: Let the Angels Sing (Arr. M. Bojesen)
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album: The Nightingale: 4 New Works for Recorder and Choir
  type: MusicAlbum
  date published: 2011-11-01
album: Nørgård: Libra
  type: MusicAlbum
  date published: 2012-09-04
  track: Kredslob: No. 2, Kim og krystal (Germ and Crystal)
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album: Messiaen: L'amour et la foi
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  type: MusicAlbum
  date published: 2016-03-04
album: Mendelssohn, Felix: Symphony No. 2, "Lobgesang"
  type: MusicAlbum
  date published: 2009-05-26
album: Hymn to the Sun
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  date published: 2011-01-04
album: Mendelssohn: The Complete Symphonies, String Symphonies and Concertos
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album: Classical Music for the Christmas Holiday, Vol. 1
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  date published: 2016-11-18
album: Orvad, H.: Choral Works (Corona) - Vega / Kornell / Threna / Paschal Hymn / Winter Organ
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  date published: 2008-09-30
album: Langgaard, R.: Symphonies Nos. 15, "Sostormen" and 16, "Syndflod Af Sol"
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  date published: 2009-01-27
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  type: MusicAlbum
  date published: 2012-02-07
album: Langgaard: Music of the Spheres
  type: MusicAlbum
  date published: 2010-08-24
album: Bent Sørensen: Sounds Like You (Live)
  type: MusicAlbum
  date published: 2015-10-02

Kredslob: No. 2, Kim og krystal (Germ and Crystal)
type: MusicRecording
duration: PT3M52S
duration ms: 232506
explicit: false
by artist: Per Nørgård
by artist: Ulla Munch
by artist: DR VokalEnsemblet
by artist: Fredrik Malmberg
in album: Nørgård: Libra
  type: MusicAlbum
  date published: 2012-09-04
genre: avant-garde
genre: neoclassical
isrc code: DKFAA1201413
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701cfaa6989966bb3009cf1b19caf25eeec8de3a0cb5d30082886e32063cd01e. 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/DKFAA1201413.
  date published: 2026-07-08T03:22:41Z
audio: Kredslob: No. 2, Kim og krystal (Germ and Crystal)
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