Ivar Hovden
type: MusicGroup
popularity: 3
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0ee1b04a9c5dace03b2452959014bb90b38c1c13b5f0e52974cc531529ac37f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954134
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954134
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f198dad-b7fc-4c1c-9c44-956e9cb004df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f198dad-b7fc-4c1c-9c44-956e9cb004df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7f198dad-b7fc-4c1c-9c44-956e9cb004df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:41:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd0ee1b04a9c5dace03b2452959014bb90b38c1c13b5f0e52974cc531529ac37f","name":"Ivar Hovden","registered_at":"2026-06-17T09:48:05Z","symbol":"NIM1357340","token_address":"0x1a2ed9e9a4b7131f994a35aaae842fa5abe97c08","type":"artist","uuid":"7f198dad-b7fc-4c1c-9c44-956e9cb004df"}
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ee1b04a9c5dace03b2452959014bb90b38c1c13b5f0e52974cc531529ac37f. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f198dad-b7fc-4c1c-9c44-956e9cb004df.json and https://artists.proofprofile.net/proofs/artist/7f198dad-b7fc-4c1c-9c44-956e9cb004df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0xd0ee1b04a9c5dace03b2452959014bb90b38c1c13b5f0e52974cc531529ac37f","name":"Ivar Hovden","registered_at":"2026-06-17T09:48:05Z","symbol":"NIM1357340","token_address":"0x1a2ed9e9a4b7131f994a35aaae842fa5abe97c08","type":"artist","uuid":"7f198dad-b7fc-4c1c-9c44-956e9cb004df"}
album: Hokus, pokus, krokus!
  type: MusicAlbum
  date published: 2014-09-20
  track: Ryddevise
    type: MusicRecording
    duration: PT1M20S
    duration ms: 80624
    explicit: false
    by artist: Ivar Hovden
    in album: Hokus, pokus, krokus!
      type: MusicAlbum
      date published: 2014-09-20
    isrc code: NOBAB1401060
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T20:30:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd301975f97aff73bc7221774e76c8bfa769e084978220d65b2b97dcfcadcbd66
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958779
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958779
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOBAB1401060
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:32:05Z
    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 0xd301975f97aff73bc7221774e76c8bfa769e084978220d65b2b97dcfcadcbd66. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:32:05Z), 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/NOBAB1401060.
      date published: 2026-07-19T23:32:05Z
    audio: Ryddevise
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 116.597
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.296
      additional property: Speechiness
        type: PropertyValue
        value: 0.143
      additional property: Acousticness
        type: PropertyValue
        value: 0.851
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.107
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.784
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.736
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major