Berit Johansen Tange
type: MusicGroup
genre: avant-garde
genre: chamber music
popularity: 10
followers: 121
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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 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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  date published: 2026-06-17T07:39:10Z
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album: Andersen: Works for Flute & Piano
  type: MusicAlbum
  date published: 2023-11-17
  track: 6 Salon Pieces, Suite No. 2, Op. 24: V. Berceuse
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    duration: PT2M32S
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    by artist: Joachim Andersen
    by artist: Berit Johansen Tange
    by artist: Alena Walentin
    in album: Andersen: Works for Flute & Piano
      type: MusicAlbum
      date published: 2023-11-17
    genre: danish-classical
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7efa279c9b8cafde13598e493d752e51ef51a084e78d5d804f3ef55daeb420. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DKFAA2302907.
      date published: 2026-06-13T13:32:09Z
    audio: 6 Salon Pieces, Suite No. 2, Op. 24: V. Berceuse
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      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -27.816
      additional property: Key Name
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        value: D
      additional property: Mode Name
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album: Album-Blatt, Op. 19
  type: MusicAlbum
  date published: 2023-11-10
album: La Resignation, Op. 22
  type: MusicAlbum
  date published: 2023-11-03
album: Rued Langgaard: Selected Songs, Vol. 1
  type: MusicAlbum
  date published: 2023-12-18
album: Langgaard: Piano Works, Vol. 4
  type: MusicAlbum
  date published: 2022-09-02
album: Langgaard: Complete Works for Violin & Piano, Vol. 3
  type: MusicAlbum
  date published: 2021-02-26
album: Langgaard: Complete Works for Violin & Piano, Vol. 2
  type: MusicAlbum
  date published: 2018-10-03
album: Langgaard: Complete Works for Violin & Piano, Vol. 1
  type: MusicAlbum
  date published: 2017-10-20
album: Langgaard: Piano Works, Vol. 3
  type: MusicAlbum
  date published: 2017-05-05
album: Langgaard: Piano Works, Vol. 2
  type: MusicAlbum
  date published: 2011-04-05
album: Langgaard: Piano Works, Vol. 1
  type: MusicAlbum
  date published: 2005-05-01
album: Langgaard: Gitanjali Hymns / Fantasy Sonata / Insanity Sonata
  type: MusicAlbum
  date published: 2005-05-01
album: Vildtvoksende fantasier
  type: MusicAlbum
  date published: 2021-06-18
album: Obsession
  type: MusicAlbum
  date published: 2015-01-01