DJ F Sar
type: MusicGroup
popularity: 2
followers: 50
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa2f060e744c90363d1dc8da1b184123d103f031a983d7c1dce5508c5f71e1ed6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c48db666-2c45-44db-8a71-f3029f0d6b39.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c48db666-2c45-44db-8a71-f3029f0d6b39.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c48db666-2c45-44db-8a71-f3029f0d6b39
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa2f060e744c90363d1dc8da1b184123d103f031a983d7c1dce5508c5f71e1ed6","name":"DJ F Sar","registered_at":"2026-06-20T20:38:02Z","symbol":"NIM1708815","token_address":"0xf4fe660b841377216f1324c9f1c176cade81c945","type":"artist","uuid":"c48db666-2c45-44db-8a71-f3029f0d6b39"}
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 0xa2f060e744c90363d1dc8da1b184123d103f031a983d7c1dce5508c5f71e1ed6. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c48db666-2c45-44db-8a71-f3029f0d6b39.json and https://artists.proofprofile.net/proofs/artist/c48db666-2c45-44db-8a71-f3029f0d6b39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xa2f060e744c90363d1dc8da1b184123d103f031a983d7c1dce5508c5f71e1ed6","name":"DJ F Sar","registered_at":"2026-06-20T20:38:02Z","symbol":"NIM1708815","token_address":"0xf4fe660b841377216f1324c9f1c176cade81c945","type":"artist","uuid":"c48db666-2c45-44db-8a71-f3029f0d6b39"}
album: Insomnia
  type: MusicAlbum
  date published: 2013-05-27
  track: Insomnia
    type: MusicRecording
    duration: PT6M33S
    duration ms: 393764
    explicit: false
    by artist: DJ F Sar
    in album: Insomnia
      type: MusicAlbum
      date published: 2013-05-27
    isrc code: RUA491303554
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T18:20:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf0727557b167dbce132c3db9313b8d9d612d4fe353993d842a966073119964b9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959047
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959047
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA491303554
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T21:22:41Z
    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 0xf0727557b167dbce132c3db9313b8d9d612d4fe353993d842a966073119964b9. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:22:41Z), 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/RUA491303554.
      date published: 2026-07-21T21:22:41Z
    audio: Insomnia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.001
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.702
      additional property: Energy
        type: PropertyValue
        value: 0.62
      additional property: Speechiness
        type: PropertyValue
        value: 0.06
      additional property: Acousticness
        type: PropertyValue
        value: 0.005
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.83
      additional property: Liveness
        type: PropertyValue
        value: 0.343
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.04
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.491
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Black Water
  type: MusicAlbum
  date published: 2013-06-20