Brad Cook
type: MusicGroup
description: Bradley J. Cook (born October 19, 1964) is an American historian and academic administrator serving as president of the American University of Bahrain. He previously served as the 17th president of S
popularity: 14
followers: 96
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1c64343b94cb804682db697b3c5155e292854485a2e8154dd48cdc14117d147
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa1c64343b94cb804682db697b3c5155e292854485a2e8154dd48cdc14117d147","name":"Brad Cook","registered_at":"2026-06-15T04:02:10Z","symbol":"NIM0675832","token_address":"0x5e99da4254f70e97d5b455e7b07974cb04853972","type":"artist","uuid":"dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4"}
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 0xa1c64343b94cb804682db697b3c5155e292854485a2e8154dd48cdc14117d147. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4.json and https://artists.proofprofile.net/proofs/artist/dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0xa1c64343b94cb804682db697b3c5155e292854485a2e8154dd48cdc14117d147","name":"Brad Cook","registered_at":"2026-06-15T04:02:10Z","symbol":"NIM0675832","token_address":"0x5e99da4254f70e97d5b455e7b07974cb04853972","type":"artist","uuid":"dfe3ba67-b5cc-4ca9-8c22-ed1177c1cbc4"}
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