Ivar Ruste
type: MusicGroup
genre: norwegian pop
genre: polka
genre: swedish ballads
description: Ivar Ruste (23 September 1916 – 25 February 1985) was a Norwegian singer. He was born in 1916 in Kristiania. He made his stage debut at age 17, but had to work odd jobs to support his singing. His ca
popularity: 8
followers: 483
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37418279a83432d1cc2d30bfeabff75291ddfe680b99f6e6ca24abb2fca6225. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30bbea6f-5acd-4462-aac0-b21501018f49.json and https://artists.proofprofile.net/proofs/artist/30bbea6f-5acd-4462-aac0-b21501018f49.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xa37418279a83432d1cc2d30bfeabff75291ddfe680b99f6e6ca24abb2fca6225","name":"Ivar Ruste","registered_at":"2026-06-16T06:49:55Z","symbol":"NIM0971277","token_address":"0x2c21e24cd9a41441c6578bf4a393672d954de100","type":"artist","uuid":"30bbea6f-5acd-4462-aac0-b21501018f49"}
album: Vi husker i huskestua
  type: MusicAlbum
  date published: 1975-01-01
album: Husker du den?
  type: MusicAlbum
  date published: 1979-01-01
album: Diamanter
  type: MusicAlbum
  date published: 2006-06-19
  track: Hva var vel livet uten deg - 2006 Remastered Version
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135200
    explicit: false
    by artist: Ivar Ruste
    in album: Diamanter
      type: MusicAlbum
      date published: 2006-06-19
    genre: norwegian pop
    genre: polka
    genre: swedish ballads
    isrc code: NOAFE0607070
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/958341
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOAFE0607070
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:48:13Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f6150834dd875695a9e455148b78b81ac7d04b87232293f0b5c4d7f2eb4706. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:48:13Z), 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/NOAFE0607070.
      date published: 2026-07-17T02:48:13Z
    audio: Hva var vel livet uten deg - 2006 Remastered Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.376
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.482
      additional property: Energy
        type: PropertyValue
        value: 0.476
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.817
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.123
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.733
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.01
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ivar Ruste Vol.1
  type: MusicAlbum
  date published: 2014-08-10
album: Ivar Ruste Vol.1
  type: MusicAlbum
  date published: 2014-08-10
album: Ivar Ruste Vol.2
  type: MusicAlbum
  date published: 2014-08-17
album: Ivar Ruste Vol.2
  type: MusicAlbum
  date published: 2014-08-17
album: Husker du den gang...
  type: MusicAlbum
  date published: 2015-09-01
album: På husketur
  type: MusicAlbum
  date published: 2016-01-15
album: Vi husker
  type: MusicAlbum
  date published: 2017-05-01