Hurpe Brown
type: MusicGroup
popularity: 5
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x331afe7b4f0b76f0246425fd913c7b72d0240800ec91f9069276c5967916b404
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03e47f55-1230-4c5f-8094-0be1bf5a48e4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03e47f55-1230-4c5f-8094-0be1bf5a48e4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/03e47f55-1230-4c5f-8094-0be1bf5a48e4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x331afe7b4f0b76f0246425fd913c7b72d0240800ec91f9069276c5967916b404","name":"Hurpe Brown","registered_at":"2026-06-15T14:48:54Z","symbol":"NIM0741876","token_address":"0xd5bc87400c3832de3c268f554e146305c72b56cc","type":"artist","uuid":"03e47f55-1230-4c5f-8094-0be1bf5a48e4"}
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 0x331afe7b4f0b76f0246425fd913c7b72d0240800ec91f9069276c5967916b404. Chain 2 (Bitcoin): anchored in block 953860 (2026-06-15T23:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03e47f55-1230-4c5f-8094-0be1bf5a48e4.json and https://artists.proofprofile.net/proofs/artist/03e47f55-1230-4c5f-8094-0be1bf5a48e4.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T23:55:46Z
  text: {"copyright_id":"0x331afe7b4f0b76f0246425fd913c7b72d0240800ec91f9069276c5967916b404","name":"Hurpe Brown","registered_at":"2026-06-15T14:48:54Z","symbol":"NIM0741876","token_address":"0xd5bc87400c3832de3c268f554e146305c72b56cc","type":"artist","uuid":"03e47f55-1230-4c5f-8094-0be1bf5a48e4"}
album: YOU I WANT
  type: MusicAlbum
  date published: 2021-11-21
album: WHAT YOU WANT
  type: MusicAlbum
  date published: 2022-08-11
album: ONLY YOU
  type: MusicAlbum
  date published: 2023-03-19
album: MONEY/ NOBODY
  type: MusicAlbum
  date published: 2023-07-09