Matt Blvck
type: MusicGroup
popularity: 5
followers: 1032
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x735b61a68cda25955aa4319acdd17205a7b1994f7d2ce161ab3fab3cb604255a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953903
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953903
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14f8ef07-d072-4a22-b37f-99c23e3c378a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14f8ef07-d072-4a22-b37f-99c23e3c378a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/14f8ef07-d072-4a22-b37f-99c23e3c378a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:05:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x735b61a68cda25955aa4319acdd17205a7b1994f7d2ce161ab3fab3cb604255a","name":"Matt Blvck","registered_at":"2026-06-15T20:55:19Z","symbol":"NIM0829301","token_address":"0xd7836a1b20b77c0fc8a0131149990d474a16485a","type":"artist","uuid":"14f8ef07-d072-4a22-b37f-99c23e3c378a"}
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 0x735b61a68cda25955aa4319acdd17205a7b1994f7d2ce161ab3fab3cb604255a. Chain 2 (Bitcoin): anchored in block 953903 (2026-06-16T07:05:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14f8ef07-d072-4a22-b37f-99c23e3c378a.json and https://artists.proofprofile.net/proofs/artist/14f8ef07-d072-4a22-b37f-99c23e3c378a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T07:05:05Z
  text: {"copyright_id":"0x735b61a68cda25955aa4319acdd17205a7b1994f7d2ce161ab3fab3cb604255a","name":"Matt Blvck","registered_at":"2026-06-15T20:55:19Z","symbol":"NIM0829301","token_address":"0xd7836a1b20b77c0fc8a0131149990d474a16485a","type":"artist","uuid":"14f8ef07-d072-4a22-b37f-99c23e3c378a"}
album: After Party
  type: MusicAlbum
  date published: 2017-12-04
  track: Nia
    type: MusicRecording
    duration: PT3M50S
    duration ms: 230952
    explicit: true
    by artist: Matt Blvck
    in album: After Party
      type: MusicAlbum
      date published: 2017-12-04
    isrc code: GBLFP1792687
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T09:05:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a8cf829be8803d7c2e74222356870d9f490e89005416af88ef5b74f5ee302b1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1792687
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x5a8cf829be8803d7c2e74222356870d9f490e89005416af88ef5b74f5ee302b1. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1792687 — a six-check JSON result.
      date published: 2026-07-04T10:04:33Z
    audio: Nia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.762
      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: 0.724
      additional property: Energy
        type: PropertyValue
        value: 0.316
      additional property: Speechiness
        type: PropertyValue
        value: 0.209
      additional property: Acousticness
        type: PropertyValue
        value: 0.126
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.229
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.24
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.144
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Blow
  type: MusicAlbum
  date published: 2018-05-14
album: Blow
  type: MusicAlbum
  date published: 2018-08-15
album: Cold Love
  type: MusicAlbum
  date published: 2018-08-31
album: Weekend
  type: MusicAlbum
  date published: 2018-11-23
album: Confidence
  type: MusicAlbum
  date published: 2019-02-22
album: Confidence
  type: MusicAlbum
  date published: 2019-02-22
album: Dangerous
  type: MusicAlbum
  date published: 2019-05-17
album: No Time
  type: MusicAlbum
  date published: 2019-09-20
album: No Time
  type: MusicAlbum
  date published: 2019-09-20
album: 90's Baby
  type: MusicAlbum
  date published: 2020-09-04
album: Pressure
  type: MusicAlbum
  date published: 2020-10-02
album: Pressure
  type: MusicAlbum
  date published: 2020-10-02
album: How To
  type: MusicAlbum
  date published: 2021-03-26
album: Nina Mosley
  type: MusicAlbum
  date published: 2022-03-18