Rolf Just Nilsen
type: MusicGroup
genre: christmas
description: thumb|Rolf Just Nilsen (left) in 1980 Rolf Just Nilsen (31 August 1931 – 9 May 1981) was a Norwegian singer, impressionist and actor. He was particularly known for his imitations of famous comedians
popularity: 28
followers: 7181
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8d424b2a06af92f81007365729bb933d272077447364dccdb2f9a470866aaaf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba16f2c9-2009-438b-8d91-37b41acccbf2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ba16f2c9-2009-438b-8d91-37b41acccbf2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ba16f2c9-2009-438b-8d91-37b41acccbf2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb8d424b2a06af92f81007365729bb933d272077447364dccdb2f9a470866aaaf","name":"Rolf Just Nilsen","registered_at":"2026-06-12T08:20:06Z","symbol":"NIM0240289","token_address":"0xf840a6dce924804043d3e02c0782073c2e533e75","type":"artist","uuid":"ba16f2c9-2009-438b-8d91-37b41acccbf2"}
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 0xb8d424b2a06af92f81007365729bb933d272077447364dccdb2f9a470866aaaf. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba16f2c9-2009-438b-8d91-37b41acccbf2.json and https://artists.proofprofile.net/proofs/artist/ba16f2c9-2009-438b-8d91-37b41acccbf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xb8d424b2a06af92f81007365729bb933d272077447364dccdb2f9a470866aaaf","name":"Rolf Just Nilsen","registered_at":"2026-06-12T08:20:06Z","symbol":"NIM0240289","token_address":"0xf840a6dce924804043d3e02c0782073c2e533e75","type":"artist","uuid":"ba16f2c9-2009-438b-8d91-37b41acccbf2"}
album: De Beste Av Rolf Just Nilsen
  type: MusicAlbum
  date published: 2000-01-01
  track: Pappa'n Til Tove Mette
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205400
    explicit: false
    by artist: Rolf Just Nilsen
    in album: De Beste Av Rolf Just Nilsen
      type: MusicAlbum
      date published: 2000-01-01
    genre: christmas
    isrc code: NOAMM0400432
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T15:10:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x017bdbada8a21ff54f96d4881bf477ec996aca679e0eafd6fab82c2b2483540c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958746
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958746
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOAMM0400432
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T18:08:42Z
    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 0x017bdbada8a21ff54f96d4881bf477ec996aca679e0eafd6fab82c2b2483540c. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:08:42Z), 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/NOAMM0400432.
      date published: 2026-07-19T18:08:42Z
    audio: Pappa'n Til Tove Mette
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 78.879
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.655
      additional property: Energy
        type: PropertyValue
        value: 0.582
      additional property: Speechiness
        type: PropertyValue
        value: 0.162
      additional property: Acousticness
        type: PropertyValue
        value: 0.227
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.041
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.949
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.636
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Julekveld I Skogen
    type: MusicRecording
    duration: PT4M50S
    duration ms: 290800
    explicit: false
    by artist: Rolf Just Nilsen
    in album: De Beste Av Rolf Just Nilsen
      type: MusicAlbum
      date published: 2000-01-01
    genre: christmas
    isrc code: NOAMM0300756
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T00:54:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2e7ef82e1f271d6ac7ba3077fd434d8ba4e4ebaa2142aa5e1d67a918ac95de58
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958802
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958802
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOAMM0300756
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:04:02Z
    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 0x2e7ef82e1f271d6ac7ba3077fd434d8ba4e4ebaa2142aa5e1d67a918ac95de58. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/NOAMM0300756.
      date published: 2026-07-20T01:04:02Z
    audio: Julekveld I Skogen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 136.883
      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: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.223
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.829
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.098
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.615

Loudness (dB)
type: PropertyValue
value: -11.576

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major