Trevor Marshall
type: MusicGroup
popularity: 8
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccf9050cd78c8a77d66ee905bc578b22ce77e4b89e7a9a75f6954a888fd2fe61
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/d9adfa63-01ee-4d9b-9ac1-5b019036b00d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d9adfa63-01ee-4d9b-9ac1-5b019036b00d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d9adfa63-01ee-4d9b-9ac1-5b019036b00d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xccf9050cd78c8a77d66ee905bc578b22ce77e4b89e7a9a75f6954a888fd2fe61","name":"Trevor Marshall","registered_at":"2026-06-21T03:57:38Z","symbol":"NIM1811786","token_address":"0xe5afb4373c75ec788f8dee7fd96a411d46cc5ecb","type":"artist","uuid":"d9adfa63-01ee-4d9b-9ac1-5b019036b00d"}
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 0xccf9050cd78c8a77d66ee905bc578b22ce77e4b89e7a9a75f6954a888fd2fe61. 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/d9adfa63-01ee-4d9b-9ac1-5b019036b00d.json and https://artists.proofprofile.net/proofs/artist/d9adfa63-01ee-4d9b-9ac1-5b019036b00d.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0xccf9050cd78c8a77d66ee905bc578b22ce77e4b89e7a9a75f6954a888fd2fe61","name":"Trevor Marshall","registered_at":"2026-06-21T03:57:38Z","symbol":"NIM1811786","token_address":"0xe5afb4373c75ec788f8dee7fd96a411d46cc5ecb","type":"artist","uuid":"d9adfa63-01ee-4d9b-9ac1-5b019036b00d"}