Karleførs
type: MusicGroup
popularity: 2
followers: 191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa466ec3691fd65a8d358cc2e3cdf95a90e8514dd4f10eeba6a9f6a2d94e9da7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/261c5c90-0836-408c-a612-56149ae44918.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/261c5c90-0836-408c-a612-56149ae44918.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/261c5c90-0836-408c-a612-56149ae44918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa466ec3691fd65a8d358cc2e3cdf95a90e8514dd4f10eeba6a9f6a2d94e9da7a","name":"Karleførs","registered_at":"2026-06-16T02:49:51Z","symbol":"NIM0913942","token_address":"0x5326a6a8f351521de887ca2a26a5351860c32356","type":"artist","uuid":"261c5c90-0836-408c-a612-56149ae44918"}
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 0xa466ec3691fd65a8d358cc2e3cdf95a90e8514dd4f10eeba6a9f6a2d94e9da7a. 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/261c5c90-0836-408c-a612-56149ae44918.json and https://artists.proofprofile.net/proofs/artist/261c5c90-0836-408c-a612-56149ae44918.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xa466ec3691fd65a8d358cc2e3cdf95a90e8514dd4f10eeba6a9f6a2d94e9da7a","name":"Karleførs","registered_at":"2026-06-16T02:49:51Z","symbol":"NIM0913942","token_address":"0x5326a6a8f351521de887ca2a26a5351860c32356","type":"artist","uuid":"261c5c90-0836-408c-a612-56149ae44918"}
album: In This Til' the Casket.
  type: MusicAlbum
  date published: 2018-06-01
album: Ghost Town.
  type: MusicAlbum
  date published: 2018-08-03
album: Hiraeth.
  type: MusicAlbum
  date published: 2018-09-14
album: ungrateful
  type: MusicAlbum
  date published: 2019-11-15
album: all i need
  type: MusicAlbum
  date published: 2019-12-30
album: fallin'
  type: MusicAlbum
  date published: 2020-01-31
album: things fall apart
  type: MusicAlbum
  date published: 2020-03-06
album: crucial
  type: MusicAlbum
  date published: 2020-04-02
album: blame it all on you
  type: MusicAlbum
  date published: 2021-07-09
album: we are over
  type: MusicAlbum
  date published: 2023-01-26
album: i can't stay
  type: MusicAlbum
  date published: 2023-02-23
album: wait
  type: MusicAlbum
  date published: 2023-07-21
  track: wait
    type: MusicRecording
    duration: PT2M2S
    duration ms: 122727
    explicit: true
    by artist: Karleførs
    in album: wait
      type: MusicAlbum
      date published: 2023-07-21
    isrc code: QZNWQ2326350
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T18:50:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x640b0462492f60c52f5e0289306e4f71d7dfd39efc293625f071f9a1bf2fdac3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2326350
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0x640b0462492f60c52f5e0289306e4f71d7dfd39efc293625f071f9a1bf2fdac3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZNWQ2326350.
      date published: 2026-07-18T19:27:02Z
    audio: wait
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.01
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.632
      additional property: Energy
        type: PropertyValue
        value: 0.717
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.022
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.315
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.357
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.379
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: till i die love
  type: MusicAlbum
  date published: 2024-05-02