Casey Martin
type: MusicGroup
description: Casey Martin (born June 2, 1972) is an American professional golfer and the current men's golf head coach at the University of Oregon. Early life and amateur career Martin was born in Eugene, Oregon
popularity: 4
followers: 41
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d05d54e318dda0ba2ac90e37133bb3fc7160f20898e22d79ee3a00ee6aafd7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6047dd04-5daa-4c05-a028-cbb1049a673e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6047dd04-5daa-4c05-a028-cbb1049a673e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6047dd04-5daa-4c05-a028-cbb1049a673e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0d05d54e318dda0ba2ac90e37133bb3fc7160f20898e22d79ee3a00ee6aafd7b","name":"Casey Martin","registered_at":"2026-06-16T23:13:15Z","symbol":"NIM1205915","token_address":"0xd9417c596dcfdf065d061aecb95ad6fcb3b34ffb","type":"artist","uuid":"6047dd04-5daa-4c05-a028-cbb1049a673e"}
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 0x0d05d54e318dda0ba2ac90e37133bb3fc7160f20898e22d79ee3a00ee6aafd7b. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6047dd04-5daa-4c05-a028-cbb1049a673e.json and https://artists.proofprofile.net/proofs/artist/6047dd04-5daa-4c05-a028-cbb1049a673e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0d05d54e318dda0ba2ac90e37133bb3fc7160f20898e22d79ee3a00ee6aafd7b","name":"Casey Martin","registered_at":"2026-06-16T23:13:15Z","symbol":"NIM1205915","token_address":"0xd9417c596dcfdf065d061aecb95ad6fcb3b34ffb","type":"artist","uuid":"6047dd04-5daa-4c05-a028-cbb1049a673e"}
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