Derek Maffett
type: MusicGroup
popularity: 3
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe3a8a924f1fde5726ab9d733ce228de1831e1dd6f5fae296ee4210a277b2c18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5155689c-8bcc-4bd0-ac7e-d7845a3e4a89.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5155689c-8bcc-4bd0-ac7e-d7845a3e4a89.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5155689c-8bcc-4bd0-ac7e-d7845a3e4a89
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbe3a8a924f1fde5726ab9d733ce228de1831e1dd6f5fae296ee4210a277b2c18","name":"Derek Maffett","registered_at":"2026-06-16T18:04:43Z","symbol":"NIM1132286","token_address":"0x423dd5542d93f9987efccf91e8a05fa652c5b180","type":"artist","uuid":"5155689c-8bcc-4bd0-ac7e-d7845a3e4a89"}
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 0xbe3a8a924f1fde5726ab9d733ce228de1831e1dd6f5fae296ee4210a277b2c18. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5155689c-8bcc-4bd0-ac7e-d7845a3e4a89.json and https://artists.proofprofile.net/proofs/artist/5155689c-8bcc-4bd0-ac7e-d7845a3e4a89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xbe3a8a924f1fde5726ab9d733ce228de1831e1dd6f5fae296ee4210a277b2c18","name":"Derek Maffett","registered_at":"2026-06-16T18:04:43Z","symbol":"NIM1132286","token_address":"0x423dd5542d93f9987efccf91e8a05fa652c5b180","type":"artist","uuid":"5155689c-8bcc-4bd0-ac7e-d7845a3e4a89"}
album: Behold Your King
  type: MusicAlbum
  date published: 2020-04-10
album: Poiema
  type: MusicAlbum
  date published: 2020-05-26
  track: Poiema
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241728
    explicit: false
    by artist: Derek Maffett
    in album: Poiema
      type: MusicAlbum
      date published: 2020-05-26
    isrc code: QZHN42039911
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:22:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x303a2ae7c697140f1775cde56cbc55326b8bef3b563599652e7c9ab9ed535da3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42039911
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    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 0x303a2ae7c697140f1775cde56cbc55326b8bef3b563599652e7c9ab9ed535da3. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZHN42039911.
      date published: 2026-07-05T12:31:54Z
    audio: Poiema
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 83.153
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.45
      additional property: Energy
        type: PropertyValue
        value: 0.44
      additional property: Speechiness
        type: PropertyValue
        value: 0.347
      additional property: Acousticness
        type: PropertyValue
        value: 0.226
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.087
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.491
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.898
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Sober-Minded (1 Peter 5:6-11)
  type: MusicAlbum
  date published: 2020-08-28
album: The Way (Psalm 1)
  type: MusicAlbum
  date published: 2020-10-16