MATT Last
type: MusicGroup
popularity: 6
followers: 61
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d43cbba44f414713b4154a39bdb449e8125a3be78ef2cc5ee9e39c9084b1583
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8c1932b-fc9d-447b-846c-a79f7e0806d5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d8c1932b-fc9d-447b-846c-a79f7e0806d5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d8c1932b-fc9d-447b-846c-a79f7e0806d5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0d43cbba44f414713b4154a39bdb449e8125a3be78ef2cc5ee9e39c9084b1583","name":"MATT Last","registered_at":"2026-06-21T03:35:05Z","symbol":"NIM1807202","token_address":"0xc407a12a712e2d399984a98e4bc6fd5569d51a0f","type":"artist","uuid":"d8c1932b-fc9d-447b-846c-a79f7e0806d5"}
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 0x0d43cbba44f414713b4154a39bdb449e8125a3be78ef2cc5ee9e39c9084b1583. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8c1932b-fc9d-447b-846c-a79f7e0806d5.json and https://artists.proofprofile.net/proofs/artist/d8c1932b-fc9d-447b-846c-a79f7e0806d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x0d43cbba44f414713b4154a39bdb449e8125a3be78ef2cc5ee9e39c9084b1583","name":"MATT Last","registered_at":"2026-06-21T03:35:05Z","symbol":"NIM1807202","token_address":"0xc407a12a712e2d399984a98e4bc6fd5569d51a0f","type":"artist","uuid":"d8c1932b-fc9d-447b-846c-a79f7e0806d5"}
album: Derive
  type: MusicAlbum
  date published: 2024-03-20
album: Danceproject
  type: MusicAlbum
  date published: 2024-03-24
album: At Midnight
  type: MusicAlbum
  date published: 2024-03-26
album: Heartbreakz
  type: MusicAlbum
  date published: 2024-04-25
album: let it go see what stays
  type: MusicAlbum
  date published: 2024-09-28
album: Universale
  type: MusicAlbum
  date published: 2025-01-03
album: Other Side Two
  type: MusicAlbum
  date published: 2025-01-03
album: Satisfy Your Soul
  type: MusicAlbum
  date published: 2025-02-07
album: Rather Be Free
  type: MusicAlbum
  date published: 2025-03-06
album: Mixdown
  type: MusicAlbum
  date published: 2025-04-20
album: Deep Invasion
  type: MusicAlbum
  date published: 2025-07-07