Matt Sharp
type: MusicGroup
description: Matthew Kelly Sharp (born September 22, 1969) is an American musician. Until 1998, he was the bassist for the rock band Weezer, which he co-founded in 1992. He appears on their first two albums, the B
popularity: 17
followers: 1853
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e87291cc2645c4dd31e7a3d992c13b38228a0047a7c47e72556ca4b8f5e264e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953602
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953602
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1003db94-b22f-4a4d-809c-cd38c958ba0b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1003db94-b22f-4a4d-809c-cd38c958ba0b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1003db94-b22f-4a4d-809c-cd38c958ba0b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T06:58:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e87291cc2645c4dd31e7a3d992c13b38228a0047a7c47e72556ca4b8f5e264e","name":"Matt Sharp","registered_at":"2026-06-14T06:04:44Z","symbol":"NIM0361521","token_address":"0xf142561f818aae2208e55bc057db92b1f2219bba","type":"artist","uuid":"1003db94-b22f-4a4d-809c-cd38c958ba0b"}
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 0x5e87291cc2645c4dd31e7a3d992c13b38228a0047a7c47e72556ca4b8f5e264e. Chain 2 (Bitcoin): anchored in block 953602 (2026-06-14T06:58:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1003db94-b22f-4a4d-809c-cd38c958ba0b.json and https://artists.proofprofile.net/proofs/artist/1003db94-b22f-4a4d-809c-cd38c958ba0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T06:58:10Z
  text: {"copyright_id":"0x5e87291cc2645c4dd31e7a3d992c13b38228a0047a7c47e72556ca4b8f5e264e","name":"Matt Sharp","registered_at":"2026-06-14T06:04:44Z","symbol":"NIM0361521","token_address":"0xf142561f818aae2208e55bc057db92b1f2219bba","type":"artist","uuid":"1003db94-b22f-4a4d-809c-cd38c958ba0b"}
album: Puckett's Versus The Country Boy
  type: MusicAlbum
  date published: 2003-01-01
album: Matt Sharp
  type: MusicAlbum
  date published: 2004-01-01
album: Matt Sharp
  type: MusicAlbum
  date published: 2021-11-12
  track: All Those Dreams
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255366
    explicit: false
    by artist: Matt Sharp
    in album: Matt Sharp
      type: MusicAlbum
      date published: 2021-11-12
    isrc code: USHM20458495
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T09:01:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe3c3fe36fda3a77d2bff55cec08f7af66524086487ce3ea6592345afeaed9660
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958388
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958388
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM20458495
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T09:14:21Z
    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 0xe3c3fe36fda3a77d2bff55cec08f7af66524086487ce3ea6592345afeaed9660. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/USHM20458495.
      date published: 2026-07-17T09:14:21Z
    audio: All Those Dreams
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.434
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.423
      additional property: Energy
        type: PropertyValue
        value: 0.178
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.874
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.012
      additional property: Liveness
        type: PropertyValue
        value: 0.085
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.055
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.448
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Puckett's Versus The Country Boy
  type: MusicAlbum
  date published: 2021-11-12