Clayton Matthews
type: MusicGroup
description: Clayton Hartley Matthews (24 October 1918 – 25 March 2004) was an American writer of mystery, erotic and romance novels, with more than 35 books and many short stories as Clayton Matthews. He often co
popularity: 5
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ee9b41b1d30277a27d8b7bcc8a6ab6e92d1dc344d7bb24282e1262c2bc8402f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11bbe550-77ce-478e-8a0a-9d4d79a43489.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/11bbe550-77ce-478e-8a0a-9d4d79a43489.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/11bbe550-77ce-478e-8a0a-9d4d79a43489
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9ee9b41b1d30277a27d8b7bcc8a6ab6e92d1dc344d7bb24282e1262c2bc8402f","name":"Clayton Matthews","registered_at":"2026-06-15T19:43:31Z","symbol":"NIM0812198","token_address":"0x937cd31775a48f55bb9271fab2aeb3bd89443936","type":"artist","uuid":"11bbe550-77ce-478e-8a0a-9d4d79a43489"}
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 0x9ee9b41b1d30277a27d8b7bcc8a6ab6e92d1dc344d7bb24282e1262c2bc8402f. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11bbe550-77ce-478e-8a0a-9d4d79a43489.json and https://artists.proofprofile.net/proofs/artist/11bbe550-77ce-478e-8a0a-9d4d79a43489.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x9ee9b41b1d30277a27d8b7bcc8a6ab6e92d1dc344d7bb24282e1262c2bc8402f","name":"Clayton Matthews","registered_at":"2026-06-15T19:43:31Z","symbol":"NIM0812198","token_address":"0x937cd31775a48f55bb9271fab2aeb3bd89443936","type":"artist","uuid":"11bbe550-77ce-478e-8a0a-9d4d79a43489"}