Kristoffer Elmqvist
type: MusicGroup
genre: dubstep
popularity: 9
followers: 91
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb99424b205cf97d25c37bd335f194749a726ff53ab8f899b91af71d8356d1e5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6d161263-d970-4c04-bf4a-98ebb368b018.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6d161263-d970-4c04-bf4a-98ebb368b018.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6d161263-d970-4c04-bf4a-98ebb368b018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb99424b205cf97d25c37bd335f194749a726ff53ab8f899b91af71d8356d1e5c","name":"Kristoffer Elmqvist","registered_at":"2026-06-17T03:40:14Z","symbol":"NIM1269611","token_address":"0x1fde25cb14fddb092aa1f05df62ba5cf20750282","type":"artist","uuid":"6d161263-d970-4c04-bf4a-98ebb368b018"}
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 0xb99424b205cf97d25c37bd335f194749a726ff53ab8f899b91af71d8356d1e5c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6d161263-d970-4c04-bf4a-98ebb368b018.json and https://artists.proofprofile.net/proofs/artist/6d161263-d970-4c04-bf4a-98ebb368b018.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xb99424b205cf97d25c37bd335f194749a726ff53ab8f899b91af71d8356d1e5c","name":"Kristoffer Elmqvist","registered_at":"2026-06-17T03:40:14Z","symbol":"NIM1269611","token_address":"0x1fde25cb14fddb092aa1f05df62ba5cf20750282","type":"artist","uuid":"6d161263-d970-4c04-bf4a-98ebb368b018"}
album: Twilight Reality 2011
  type: MusicAlbum
  date published: 2011-04-25
album: We Were
  type: MusicAlbum
  date published: 2012-03-09
album: Thousand Memories
  type: MusicAlbum
  date published: 2012-03-28
  track: Thousand Memories - Original Mix
    type: MusicRecording
    duration: PT7M8S
    duration ms: 428769
    explicit: false
    by artist: Kristoffer Elmqvist
    in album: Thousand Memories
      type: MusicAlbum
      date published: 2012-03-28
    genre: dubstep
    isrc code: GBKQU1276086
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T11:57:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfc7bbe360da8de5af0888273819bc6bb71e765cd79f3aa66fd32ddfb6748d2f0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958876
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958876
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1276086
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T15:00:17Z
    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 0xfc7bbe360da8de5af0888273819bc6bb71e765cd79f3aa66fd32ddfb6748d2f0. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T15:00:17Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1276086.
      date published: 2026-07-20T15:00:17Z
    audio: Thousand Memories - Original Mix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.975
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.637
      additional property: Energy
        type: PropertyValue
        value: 0.627
      additional property: Speechiness
        type: PropertyValue
        value: 0.175
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.036
      additional property: Liveness
        type: PropertyValue
        value: 0.497
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.446
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.955
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: We Were
  type: MusicAlbum
  date published: 2012-04-16
  track: We Were - UglyBoy Remix
    type: MusicRecording
    duration: PT5M20S
    duration ms: 320575
    explicit: false
    by artist: Kristoffer Elmqvist
    in album: We Were
      type: MusicAlbum
      date published: 2012-04-16
    genre: dubstep
    isrc code: GBKQU1280117
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:56:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x266d56ccad066d6391f402d515bbd3d3812cb8e6776194b9fe90c797a7fd72da
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1280117
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0x266d56ccad066d6391f402d515bbd3d3812cb8e6776194b9fe90c797a7fd72da. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBKQU1280117.
      date published: 2026-07-05T10:01:46Z
    audio: We Were - UglyBoy Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.072
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.266
      additional property: Energy
        type: PropertyValue
        value: 0.886
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.027
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Come Home
album: The Hunger Game

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.118

Valence (Positivity)
type: PropertyValue
value: 0.277

Loudness (dB)
type: PropertyValue
value: -3.037

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Come Home
type: MusicAlbum
date published: 2017-02-06

The Hunger Game
type: MusicAlbum
date published: 2022-11-25