Kingpin
type: MusicGroup
description: Kingpin or king pin may refer to: Vehicular part Kingpin (automotive part), the pivot in the steering mechanism The central bolt of a skateboard, axle assembly ("truck"), around which the rest of t
popularity: 3
followers: 44
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a5a1281f7e91d3f2f4f191713c39a2d94b8468516e0d28260e90b708b6a683e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93a5ca31-caad-4a2d-8438-ccd0a188da7e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/93a5ca31-caad-4a2d-8438-ccd0a188da7e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/93a5ca31-caad-4a2d-8438-ccd0a188da7e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a5a1281f7e91d3f2f4f191713c39a2d94b8468516e0d28260e90b708b6a683e. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93a5ca31-caad-4a2d-8438-ccd0a188da7e.json and https://artists.proofprofile.net/proofs/artist/93a5ca31-caad-4a2d-8438-ccd0a188da7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
album: JapJapFlex
  type: MusicAlbum
  date published: 2020-08-11
album: Sunete
  type: MusicAlbum
  date published: 2021-03-17
  track: Sunete
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225123
    explicit: true
    by artist: Kingpin
    in album: Sunete
      type: MusicAlbum
      date published: 2021-03-17
    isrc code: QZDA82179935
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T14:07:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf94b7ee14e450aa54d49a1ce53864192b42972c4b9b613c5ffdf7a457ace32c6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958897
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958897
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA82179935
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T14:57:46Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94b7ee14e450aa54d49a1ce53864192b42972c4b9b613c5ffdf7a457ace32c6. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/QZDA82179935.
      date published: 2026-07-20T14:57:46Z
    audio: Sunete
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 143.987
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.822
      additional property: Energy
        type: PropertyValue
        value: 0.372
      additional property: Speechiness
        type: PropertyValue
        value: 0.14
      additional property: Acousticness
        type: PropertyValue
        value: 0.167
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.117
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.238
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.188
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
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