Johan Timman
type: MusicGroup
popularity: 8
followers: 1150
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6783decaf608ca00629b70e459d5f9b1bfbdd50b030c0be4c6afd687489eb36a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9bd9bd4b-c8be-44a0-8eb6-2477d6c37081.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9bd9bd4b-c8be-44a0-8eb6-2477d6c37081.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9bd9bd4b-c8be-44a0-8eb6-2477d6c37081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6783decaf608ca00629b70e459d5f9b1bfbdd50b030c0be4c6afd687489eb36a","name":"Johan Timman","registered_at":"2026-06-20T03:54:06Z","symbol":"NIM1504116","token_address":"0x95ccabd1d509482a5331cac7feb1cba2f6ac9ebb","type":"artist","uuid":"9bd9bd4b-c8be-44a0-8eb6-2477d6c37081"}
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 0x6783decaf608ca00629b70e459d5f9b1bfbdd50b030c0be4c6afd687489eb36a. Chain 2 (Bitcoin): anchored in block 954502 (2026-06-20T05:07:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9bd9bd4b-c8be-44a0-8eb6-2477d6c37081.json and https://artists.proofprofile.net/proofs/artist/9bd9bd4b-c8be-44a0-8eb6-2477d6c37081.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T05:07:36Z
  text: {"copyright_id":"0x6783decaf608ca00629b70e459d5f9b1bfbdd50b030c0be4c6afd687489eb36a","name":"Johan Timman","registered_at":"2026-06-20T03:54:06Z","symbol":"NIM1504116","token_address":"0x95ccabd1d509482a5331cac7feb1cba2f6ac9ebb","type":"artist","uuid":"9bd9bd4b-c8be-44a0-8eb6-2477d6c37081"}
album: Trip Into The Body
  type: MusicAlbum
  date published: 1981-04-12
  track: The Blood Cells And The Antibodies (Look Out For The Killer)
    type: MusicRecording
    duration: PT5M44S
    duration ms: 344150
    explicit: false
    by artist: Johan Timman
    in album: Trip Into The Body
      type: MusicAlbum
      date published: 1981-04-12
    isrc code: NLP438100030
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T02:44:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7a36e999131fce00a67116657bd554c3355adfe89b4c6c14578d9eb6e377b4ff
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958234
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958234
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLP438100030
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T05:46:53Z
    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 0x7a36e999131fce00a67116657bd554c3355adfe89b4c6c14578d9eb6e377b4ff. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T05:46:53Z), 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/NLP438100030.
      date published: 2026-07-16T05:46:53Z
    audio: The Blood Cells And The Antibodies (Look Out For The Killer)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 133.976
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.494
      additional property: Energy
        type: PropertyValue
        value: 0.36
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.688
      additional property: Liveness
        type: PropertyValue
        value: 0.384
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.434
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.655
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor