MC Barz
type: MusicGroup
popularity: 5
followers: 34
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2eb84dfe8e6858aa86fe7682bb773e3a82b67071f2d944fec98e610678397385
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953922
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953922
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b8dc325-d012-4744-8f13-ec2c8e8bb318.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b8dc325-d012-4744-8f13-ec2c8e8bb318.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1b8dc325-d012-4744-8f13-ec2c8e8bb318
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:36:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2eb84dfe8e6858aa86fe7682bb773e3a82b67071f2d944fec98e610678397385","name":"MC Barz","registered_at":"2026-06-15T23:02:49Z","symbol":"NIM0859710","token_address":"0xedfe95976fc9ea21479ba949a69e9af227560ba1","type":"artist","uuid":"1b8dc325-d012-4744-8f13-ec2c8e8bb318"}
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 0x2eb84dfe8e6858aa86fe7682bb773e3a82b67071f2d944fec98e610678397385. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b8dc325-d012-4744-8f13-ec2c8e8bb318.json and https://artists.proofprofile.net/proofs/artist/1b8dc325-d012-4744-8f13-ec2c8e8bb318.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x2eb84dfe8e6858aa86fe7682bb773e3a82b67071f2d944fec98e610678397385","name":"MC Barz","registered_at":"2026-06-15T23:02:49Z","symbol":"NIM0859710","token_address":"0xedfe95976fc9ea21479ba949a69e9af227560ba1","type":"artist","uuid":"1b8dc325-d012-4744-8f13-ec2c8e8bb318"}
album: Murga Dance
  type: MusicAlbum
  date published: 2024-01-27
  track: Murga Dance
    type: MusicRecording
    duration: PT2M38S
    duration ms: 158528
    explicit: false
    by artist: MC Barz
    in album: Murga Dance
      type: MusicAlbum
      date published: 2024-01-27
    isrc code: AUBEC2407691
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T13:28:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x455ba60abd3bd03a7ec1ca7e09e707cec532b4db67f6714f8062a9aa6b362f10
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958166
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958166
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUBEC2407691
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T16:29:08Z
    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 0x455ba60abd3bd03a7ec1ca7e09e707cec532b4db67f6714f8062a9aa6b362f10. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:29:08Z), 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/AUBEC2407691.
      date published: 2026-07-15T16:29:08Z
    audio: Murga Dance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.995
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.976
      additional property: Speechiness
        type: PropertyValue
        value: 0.186
      additional property: Acousticness
        type: PropertyValue
        value: 0.05
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.833
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.629
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.793
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Dhol Tasha Dhamaal
  type: MusicAlbum
  date published: 2024-06-17