Karlen
type: MusicGroup
description: Karlen or Karlén is a surname. Notable people with the surname include: Given name Karlen G. Adamyan (1937–2026), Armenian cardiologist Karlen Asieshvili (born 1987), Georgian rugby union player Karl
popularity: 14
followers: 1850
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x062ceb899d10c27dbba63b5a4d18929dbadf9e70899bc1a57e13286148bc6646
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953636
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953636
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3614a4b6-e74a-4097-9e30-771410d75c9b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3614a4b6-e74a-4097-9e30-771410d75c9b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3614a4b6-e74a-4097-9e30-771410d75c9b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:03:42Z
additional property: OTSCanonicalRecord
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 0x062ceb899d10c27dbba63b5a4d18929dbadf9e70899bc1a57e13286148bc6646. Chain 2 (Bitcoin): anchored in block 953636 (2026-06-14T13:03:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3614a4b6-e74a-4097-9e30-771410d75c9b.json and https://artists.proofprofile.net/proofs/artist/3614a4b6-e74a-4097-9e30-771410d75c9b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T13:03:42Z
album: À Jamais
  type: MusicAlbum
  date published: 2018-04-27
album: À Jamais
  type: MusicAlbum
  date published: 2018-04-27
  track: À Jamais
    type: MusicRecording
    duration: PT3M23S
    duration ms: 203045
    explicit: false
    by artist: Karlen
    in album: À Jamais
      type: MusicAlbum
      date published: 2018-04-27
    isrc code: TCADP1864976
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:57:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf857b9b284b6fe0c7064bb3aff34da7ccf5f6cb273d8162aaed3df7cf25b1f0a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958765
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958765
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADP1864976
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:59:19Z
    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 0xf857b9b284b6fe0c7064bb3aff34da7ccf5f6cb273d8162aaed3df7cf25b1f0a. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:59:19Z), 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/TCADP1864976.
      date published: 2026-07-19T20:59:19Z
    audio: À Jamais
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.025
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.723
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
        type: PropertyValue
        value: 0.047
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.077
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.7
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.831
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Amnez
  type: MusicAlbum
  date published: 2018-07-18
album: Amnez
  type: MusicAlbum
  date published: 2018-07-18
album: Je m'en vais
  type: MusicAlbum
  date published: 2018-10-11
album: Je m'en vais
  type: MusicAlbum
  date published: 2018-10-11
album: Tout est carré
  type: MusicAlbum
  date published: 2019-01-23
album: Tout est carré
  type: MusicAlbum
  date published: 2019-01-23
album: Belle (#LeCarré1)
  type: MusicAlbum
  date published: 2019-04-03
album: C'est mieux comme ça
  type: MusicAlbum
  date published: 2019-04-30
album: C'est mieux comme ça
  type: MusicAlbum
  date published: 2019-04-30
album: En la calle
  type: MusicAlbum
  date published: 2019-07-03
album: Fatigué
  type: MusicAlbum
  date published: 2019-09-27
album: Piano voix
  type: MusicAlbum
  date published: 2019-11-13
album: Была
  type: MusicAlbum
  date published: 2020-11-30