Roar Engelberg
type: MusicGroup
description: Roar Engelberg (born 26 July 1964 in Hamar, Norway) is the first international Norwegian artist on Panpipes, known for his long lasting and productive cooperation with Stein-Erik Olsen. Career Engelb
popularity: 12
followers: 702
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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: 2026-06-14T15:20:52Z
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album: Alveland
  type: MusicAlbum
  date published: 1985-06-06
album: Panorama
  type: MusicAlbum
  date published: 1987-11-01
album: Julefred
  type: MusicAlbum
  date published: 1988-12-05
album: Julefred
  type: MusicAlbum
  date published: 1988-12-05
album: Mosaic
  type: MusicAlbum
  date published: 1989-02-14
album: Doina
  type: MusicAlbum
  date published: 1990-06-12
album: Doina
  type: MusicAlbum
  date published: 1990-06-12
album: Masterpieces Of The Beatles
  type: MusicAlbum
  date published: 1991-09-10
album: Masterpieces of the Beatles
  type: MusicAlbum
  date published: 1991-09-10
album: Café Europa
  type: MusicAlbum
  date published: 1993-03-16
album: Café Europa
  type: MusicAlbum
  date published: 1993-03-16
album: Balletto (Remastered)
  type: MusicAlbum
  date published: 1994-02-10
album: Har en drøm
  type: MusicAlbum
  date published: 1999-06-01
album: Har En Drøm
  type: MusicAlbum
  date published: 1999-06-01
album: Har En Drøm
  type: MusicAlbum
  date published: 1999-06-01
album: Fløyelstoner
  type: MusicAlbum
  date published: 2001-07-16
album: Julefryd
  type: MusicAlbum
  date published: 2002-11-13
  track: Joy To The World
    type: MusicRecording
    duration: PT2M1S
    duration ms: 121260
    explicit: false
    by artist: Roar Engelberg
    in album: Julefryd
      type: MusicAlbum
      date published: 2002-11-13
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    additional property: CopyrightStatus
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    additional property: OTSTimestamp
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      value: 2026-07-04T22:48:52Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6f3c2b40239de66bfb138e6968f52a1bee56de30748ecf3d5dc3703c88828a. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOGTA0293120 — a six-check JSON result.
      date published: 2026-07-04T22:48:52Z
    audio: Joy To The World
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 74.983
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.539
      additional property: Energy
        type: PropertyValue
        value: 0.283
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.892
      additional property: Instrumentalness
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        value: 0.919
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.691
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.963
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Julefryd
  type: MusicAlbum
  date published: 2002-11-13
album: Inimă de lăutar
  type: MusicAlbum
  date published: 2007-01-01
album: Inimă De Lăutar
  type: MusicAlbum
  date published: 2007-01-01
album: Roar Engelberg & Håvard Svendsrud. Hildringstimen.
  type: MusicAlbum
  date published: 2014-09-01
album: Eufoni
  type: MusicAlbum
  date published: 2021-09-10
album: Lofoten
  type: MusicAlbum
  date published: 2024-02-16
  track: Lofoten
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195773
    explicit: false
    by artist: Roar Engelberg
    in album: Lofoten
      type: MusicAlbum
      date published: 2024-02-16
    isrc code: QZDA52493584
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    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Lofoten
album: Ar Erinn Ni Neosfaninn · The Old Irishmen
album: The water is wide

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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x0c9d8119c1b98ac55bf96dfa893a7149b8f7f1f0aba0d1ffa709c1aaa550ba61

OTSHash
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OTSBitcoinBlock
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value: 958276

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958276

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52493584

OTSTimestamp
type: PropertyValue
value: 2026-07-16T10:20:17Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c9d8119c1b98ac55bf96dfa893a7149b8f7f1f0aba0d1ffa709c1aaa550ba61. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52493584 — a six-check JSON result.
date published: 2026-07-16T10:20:17Z

Lofoten
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 4
additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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  value: 0.956
additional property: Instrumentalness
  type: PropertyValue
  value: 0.881
additional property: Liveness
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.173
additional property: Loudness (dB)
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  value: -9.588
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Ar Erinn Ni Neosfaninn · The Old Irishmen
type: MusicAlbum
date published: 2024-11-10

The water is wide
type: MusicAlbum
date published: 2025-05-11