Frederick Barr
type: MusicGroup
popularity: 5
followers: 441
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70aaa3aecd03afc9032c7288fc06044012508e21f132871357bb6f3695bce8d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954038
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954038
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3e345074-0e40-462e-9abd-115c455bd4ea.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3e345074-0e40-462e-9abd-115c455bd4ea.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3e345074-0e40-462e-9abd-115c455bd4ea
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:57:22Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x70aaa3aecd03afc9032c7288fc06044012508e21f132871357bb6f3695bce8d8","name":"Frederick Barr","registered_at":"2026-06-16T11:14:07Z","symbol":"NIM1034336","token_address":"0xca2ebf96517d04a49b844da46be1524045f40268","type":"artist","uuid":"3e345074-0e40-462e-9abd-115c455bd4ea"}
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 0x70aaa3aecd03afc9032c7288fc06044012508e21f132871357bb6f3695bce8d8. Chain 2 (Bitcoin): anchored in block 954039 (2026-06-17T03:00:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3e345074-0e40-462e-9abd-115c455bd4ea.json and https://artists.proofprofile.net/proofs/artist/3e345074-0e40-462e-9abd-115c455bd4ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T03:00:41Z
  text: {"copyright_id":"0x70aaa3aecd03afc9032c7288fc06044012508e21f132871357bb6f3695bce8d8","name":"Frederick Barr","registered_at":"2026-06-16T11:14:07Z","symbol":"NIM1034336","token_address":"0xca2ebf96517d04a49b844da46be1524045f40268","type":"artist","uuid":"3e345074-0e40-462e-9abd-115c455bd4ea"}
album: $2 Dollar Hot Dog $1 Dollar Water (feat. Erica Barr & Kyhil Smith)
  type: MusicAlbum
  date published: 2013-11-17
album: $2 Dollar Hot Dog $1 Dollar Water (feat. Erica Barr & Kyhil Smith)
  type: MusicAlbum
  date published: 2015-08-28
  track: $2 Dollar Hot Dog $1 Dollar Water (feat. Erica Barr & Kyhil Smith)
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221500
    explicit: false
    by artist: Frederick Barr
    in album: $2 Dollar Hot Dog $1 Dollar Water (feat. Erica Barr & Kyhil Smith)
      type: MusicAlbum
      date published: 2015-08-28
    isrc code: USQX91502109
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T04:47:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8c26fde3a26947a5a938210f6192b24bd0eba6f53f20339cbeafc7abb5c37cee
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91502109
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x8c26fde3a26947a5a938210f6192b24bd0eba6f53f20339cbeafc7abb5c37cee. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USQX91502109.
      date published: 2026-07-03T08:56:35Z
    audio: $2 Dollar Hot Dog $1 Dollar Water (feat. Erica Barr & Kyhil Smith)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.042
      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: 0.975
      additional property: Energy
        type: PropertyValue
        value: 0.618
      additional property: Speechiness
        type: PropertyValue
        value: 0.059
      additional property: Acousticness
        type: PropertyValue
        value: 0.021
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.125
      additional property: Liveness
        type: PropertyValue
        value: 0.07
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.554
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.573
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Paper
  type: MusicAlbum
  date published: 2019-10-25