Douglas
type: MusicGroup
popularity: 4
followers: 1065
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc19379e7ea0eaf098e85c4c0dac68985dc24bfc331587927204ce41f123e74a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83caed78-0f9d-46d1-93e1-b9aa6c71a823.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83caed78-0f9d-46d1-93e1-b9aa6c71a823.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/83caed78-0f9d-46d1-93e1-b9aa6c71a823
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19379e7ea0eaf098e85c4c0dac68985dc24bfc331587927204ce41f123e74a2. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/83caed78-0f9d-46d1-93e1-b9aa6c71a823.json and https://artists.proofprofile.net/proofs/artist/83caed78-0f9d-46d1-93e1-b9aa6c71a823.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: Cope
  type: MusicAlbum
  date published: 2019-10-04
  track: Cope
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184000
    explicit: false
    by artist: Douglas
    in album: Cope
      type: MusicAlbum
      date published: 2019-10-04
    isrc code: QZHN31970189
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T13:29:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x33016afb5d1fdea83ddbe1f92d1270a113f3d76d8b9d7c58bfb5831c2f06f3b4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN31970189
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x33016afb5d1fdea83ddbe1f92d1270a113f3d76d8b9d7c58bfb5831c2f06f3b4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZHN31970189.
      date published: 2026-07-05T18:48:28Z
    audio: Cope
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 81.383
      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: 0.569
      additional property: Energy
        type: PropertyValue
        value: 0.316
      additional property: Speechiness
        type: PropertyValue
        value: 0.063
      additional property: Acousticness
        type: PropertyValue
        value: 0.619
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.375
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.537
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Never Met
  type: MusicAlbum
  date published: 2020-04-03
album: Someone I Can Run To
  type: MusicAlbum
  date published: 2020-08-14
album: Better Than Life
  type: MusicAlbum
  date published: 2020-10-30
album: I Feel Like
  type: MusicAlbum
  date published: 2021-05-28
album: I Don't Know Myself
  type: MusicAlbum
  date published: 2021-06-25
album: Under-Sentimental
  type: MusicAlbum
  date published: 2021-07-23
album: Extended Warranty
  type: MusicAlbum
  date published: 2022-02-11
album: Is It Just Me?
  type: MusicAlbum
  date published: 2022-08-12
album: 21
  type: MusicAlbum
  date published: 2023-04-23
album: Carrots
  type: MusicAlbum
  date published: 2023-06-02
album: She
  type: MusicAlbum
  date published: 2023-06-28
album: Run
  type: MusicAlbum
  date published: 2023-07-28