Killer Clowns
type: MusicGroup
popularity: 4
followers: 820
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4966706b10597f089cee20a0ee63e1fa383eba8d192d328494339c27aa3e48b
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/5920b82b-d517-48bc-8823-df0bb0f7c9ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5920b82b-d517-48bc-8823-df0bb0f7c9ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5920b82b-d517-48bc-8823-df0bb0f7c9ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe4966706b10597f089cee20a0ee63e1fa383eba8d192d328494339c27aa3e48b","name":"Killer Clowns","registered_at":"2026-06-16T20:44:46Z","symbol":"NIM1170492","token_address":"0xfdcdf83bf6d2207127e1f7fbdddb09751e642dce","type":"artist","uuid":"5920b82b-d517-48bc-8823-df0bb0f7c9ac"}
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 0xe4966706b10597f089cee20a0ee63e1fa383eba8d192d328494339c27aa3e48b. 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/5920b82b-d517-48bc-8823-df0bb0f7c9ac.json and https://artists.proofprofile.net/proofs/artist/5920b82b-d517-48bc-8823-df0bb0f7c9ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xe4966706b10597f089cee20a0ee63e1fa383eba8d192d328494339c27aa3e48b","name":"Killer Clowns","registered_at":"2026-06-16T20:44:46Z","symbol":"NIM1170492","token_address":"0xfdcdf83bf6d2207127e1f7fbdddb09751e642dce","type":"artist","uuid":"5920b82b-d517-48bc-8823-df0bb0f7c9ac"}
album: Out Of The Circus (Halloween Edit)
  type: MusicAlbum
  date published: 2017-10-31
album: Out Of The Circus (Halloween Edit)
  type: MusicAlbum
  date published: 2017-10-31
  track: Out Of The Circus - Halloween Edit
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181533
    explicit: false
    by artist: Killer Clowns
    in album: Out Of The Circus (Halloween Edit)
      type: MusicAlbum
      date published: 2017-10-31
    isrc code: NLQ8D1700333
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:49:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x271605a642c2e2dde82b7248eab8efc678528c7431bd89dc32ebb027eb4770ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958350
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958350
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ8D1700333
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:51:50Z
    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 0x271605a642c2e2dde82b7248eab8efc678528c7431bd89dc32ebb027eb4770ce. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:51:50Z), 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/NLQ8D1700333.
      date published: 2026-07-17T04:51:50Z
    audio: Out Of The Circus - Halloween Edit
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.387
      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: 0.513
      additional property: Energy
        type: PropertyValue
        value: 0.966
      additional property: Speechiness
        type: PropertyValue
        value: 0.407
      additional property: Acousticness
        type: PropertyValue
        value: 0.004
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.405
      additional property: Liveness
        type: PropertyValue
        value: 0.128
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.353
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.262
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor