Dr. K.
type: MusicGroup
popularity: 6
followers: 121
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72579bdbfcf795f1875ef6883ae92dd0009ede1cc5b46cce898231a59c48119c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aa5125ea-6448-47b5-899f-693ea9cd1110.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aa5125ea-6448-47b5-899f-693ea9cd1110.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aa5125ea-6448-47b5-899f-693ea9cd1110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x72579bdbfcf795f1875ef6883ae92dd0009ede1cc5b46cce898231a59c48119c","name":"Dr. K.","registered_at":"2026-06-20T09:28:56Z","symbol":"NIM1578788","token_address":"0x554982e9dc4faa0d5046f2dbd030d54b970e6c87","type":"artist","uuid":"aa5125ea-6448-47b5-899f-693ea9cd1110"}
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 0x72579bdbfcf795f1875ef6883ae92dd0009ede1cc5b46cce898231a59c48119c. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aa5125ea-6448-47b5-899f-693ea9cd1110.json and https://artists.proofprofile.net/proofs/artist/aa5125ea-6448-47b5-899f-693ea9cd1110.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x72579bdbfcf795f1875ef6883ae92dd0009ede1cc5b46cce898231a59c48119c","name":"Dr. K.","registered_at":"2026-06-20T09:28:56Z","symbol":"NIM1578788","token_address":"0x554982e9dc4faa0d5046f2dbd030d54b970e6c87","type":"artist","uuid":"aa5125ea-6448-47b5-899f-693ea9cd1110"}
album: Two Sides
  type: MusicAlbum
  date published: 2010-06-25
album: Why
  type: MusicAlbum
  date published: 2011-07-17
album: Summerwine (feat. Lady M)
  type: MusicAlbum
  date published: 2012-11-03
album: Country Cover 2
  type: MusicAlbum
  date published: 2012-11-03
album: Summerwine
  type: MusicAlbum
  date published: 2012-11-03
  track: Summerwine - Country
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239086
    explicit: false
    by artist: Dr. K.
    in album: Summerwine
      type: MusicAlbum
      date published: 2012-11-03
    isrc code: USGCV1286437
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T09:29:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x48ceb5d9c04196979411a8bea47de96579598ec72c0671c45c4d4c720d290e50
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGCV1286437
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0x48ceb5d9c04196979411a8bea47de96579598ec72c0671c45c4d4c720d290e50. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USGCV1286437.
      date published: 2026-07-03T19:59:51Z
    audio: Summerwine - Country
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 142.071
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.419
      additional property: Energy
        type: PropertyValue
        value: 0.394
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.061
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.298
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.59
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.692
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Country Cover 2
  type: MusicAlbum
  date published: 2012-11-07