Gary Spears
type: MusicGroup
description: Gary Spears is an Australian former rugby league footballer who played in the 1970s and 1980s. He played for Balmain and the Canberra Raiders in the New South Wales Rugby League (NSWRL) competition.
popularity: 4
followers: 11
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8db25e3284ee66a123c41da3ec5f50abae940722d5c4f14ac3fb939a57d36a87
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953949
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953949
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8db25e3284ee66a123c41da3ec5f50abae940722d5c4f14ac3fb939a57d36a87","name":"Gary Spears","registered_at":"2026-06-16T00:24:11Z","symbol":"NIM0879150","token_address":"0xaa8643ea43e5b8e0906f3f55f839f2ec66c61df2","type":"artist","uuid":"1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b"}
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8db25e3284ee66a123c41da3ec5f50abae940722d5c4f14ac3fb939a57d36a87. 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/1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b.json and https://artists.proofprofile.net/proofs/artist/1f2c0b65-cc0f-4eaf-b6b1-5dcf84eea33b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
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