J. London
type: MusicGroup
popularity: 5
followers: 1828
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ec2b2d6d4aed01934c3ed7042c2ab8a6b62d9c8b8b7e32b62bcf25c04bf9488
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953911
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953911
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/18b2afb0-28f2-4758-9598-2fe9f6844a9b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/18b2afb0-28f2-4758-9598-2fe9f6844a9b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/18b2afb0-28f2-4758-9598-2fe9f6844a9b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:03:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ec2b2d6d4aed01934c3ed7042c2ab8a6b62d9c8b8b7e32b62bcf25c04bf9488","name":"J. London","registered_at":"2026-06-15T22:13:02Z","symbol":"NIM0847827","token_address":"0xf44d23cbbdc9eb40390e5b3972334763f416283a","type":"artist","uuid":"18b2afb0-28f2-4758-9598-2fe9f6844a9b"}
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 0x8ec2b2d6d4aed01934c3ed7042c2ab8a6b62d9c8b8b7e32b62bcf25c04bf9488. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18b2afb0-28f2-4758-9598-2fe9f6844a9b.json and https://artists.proofprofile.net/proofs/artist/18b2afb0-28f2-4758-9598-2fe9f6844a9b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x8ec2b2d6d4aed01934c3ed7042c2ab8a6b62d9c8b8b7e32b62bcf25c04bf9488","name":"J. London","registered_at":"2026-06-15T22:13:02Z","symbol":"NIM0847827","token_address":"0xf44d23cbbdc9eb40390e5b3972334763f416283a","type":"artist","uuid":"18b2afb0-28f2-4758-9598-2fe9f6844a9b"}
album: Elevator Music
  type: MusicAlbum
  date published: 2020-06-22
album: I Don't Like That
  type: MusicAlbum
  date published: 2020-09-12
album: shadows
  type: MusicAlbum
  date published: 2020-12-27
  track: shadows
    type: MusicRecording
    duration: PT2M13S
    duration ms: 133563
    explicit: true
    by artist: J. London
    in album: shadows
      type: MusicAlbum
      date published: 2020-12-27
    isrc code: QZPLS2016680
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T22:46:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa31243ba620e778f9eaaaeb162b1e4fa8fed392cc82ae67b8cc0bdb580f0affd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958341
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958341
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLS2016680
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T01:08:10Z
    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 0xa31243ba620e778f9eaaaeb162b1e4fa8fed392cc82ae67b8cc0bdb580f0affd. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/QZPLS2016680.
      date published: 2026-07-17T01:08:10Z
    audio: shadows
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 75.825
      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: 0.623
      additional property: Energy
        type: PropertyValue
        value: 0.533
      additional property: Speechiness
        type: PropertyValue
        value: 0.37
      additional property: Acousticness
        type: PropertyValue
        value: 0.151
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.012
      additional property: Liveness
        type: PropertyValue
        value: 0.127
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.488
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.614
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: tantrum
  type: MusicAlbum
  date published: 2021-02-17
album: different
  type: MusicAlbum
  date published: 2021-03-25
album: oFF HiAtuS
  type: MusicAlbum
  date published: 2021-06-30
album: carefree!
  type: MusicAlbum
  date published: 2021-12-02
album: 3am shenanigans!
  type: MusicAlbum
  date published: 2022-01-05
album: SHAKE IT!
  type: MusicAlbum
  date published: 2023-05-19
album: No No!
  type: MusicAlbum
  date published: 2023-08-13
album: LESS IS MORE
  type: MusicAlbum
  date published: 2023-08-30