Brett Barron
type: MusicGroup
description: Brett Barron (born September 22, 1959) was a member of the 1984 US Olympic judo team, from San Mateo. He would earn 5 gold in US National Championships and 5 bronze medals. He injured his shoulder in
popularity: 2
followers: 847
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9490b784a6c03b17c2749b3c20c952e371b111e63f76f65ef225d334840373b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953867
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06276414-0273-47be-b410-f40210222f76.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/06276414-0273-47be-b410-f40210222f76.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/06276414-0273-47be-b410-f40210222f76
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:09:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9490b784a6c03b17c2749b3c20c952e371b111e63f76f65ef225d334840373b2","name":"Brett Barron","registered_at":"2026-06-15T15:34:44Z","symbol":"NIM0752808","token_address":"0x994589e5861a18c0e36b277a0418575dc58ad987","type":"artist","uuid":"06276414-0273-47be-b410-f40210222f76"}
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 0x9490b784a6c03b17c2749b3c20c952e371b111e63f76f65ef225d334840373b2. Chain 2 (Bitcoin): anchored in block 953867 (2026-06-16T01:09:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/06276414-0273-47be-b410-f40210222f76.json and https://artists.proofprofile.net/proofs/artist/06276414-0273-47be-b410-f40210222f76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:09:47Z
  text: {"copyright_id":"0x9490b784a6c03b17c2749b3c20c952e371b111e63f76f65ef225d334840373b2","name":"Brett Barron","registered_at":"2026-06-15T15:34:44Z","symbol":"NIM0752808","token_address":"0x994589e5861a18c0e36b277a0418575dc58ad987","type":"artist","uuid":"06276414-0273-47be-b410-f40210222f76"}
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