Guillermo Martínez
type: MusicGroup
genre: sea shanties
description: Guillermo Martínez is the name of: Guillermo Martínez (baseball) (born 1984), American baseball coach Guillermo Martínez Ayala (born 1995), Mexican football player Guillermo Martínez (javelin thro
popularity: 15
followers: 364
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78a5400125514845554a159e10ee56065473dccdd2952527a43d52e8f55460aa
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/dbd4c49a-dd7b-47aa-8a3a-9ae90112669d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dbd4c49a-dd7b-47aa-8a3a-9ae90112669d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dbd4c49a-dd7b-47aa-8a3a-9ae90112669d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78a5400125514845554a159e10ee56065473dccdd2952527a43d52e8f55460aa","name":"Guillermo Martínez","registered_at":"2026-06-15T03:40:27Z","symbol":"NIM0670645","token_address":"0xe7a273d8f68da05573cfd6b0c68edc25e3eede72","type":"artist","uuid":"dbd4c49a-dd7b-47aa-8a3a-9ae90112669d"}
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 0x78a5400125514845554a159e10ee56065473dccdd2952527a43d52e8f55460aa. 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/dbd4c49a-dd7b-47aa-8a3a-9ae90112669d.json and https://artists.proofprofile.net/proofs/artist/dbd4c49a-dd7b-47aa-8a3a-9ae90112669d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0x78a5400125514845554a159e10ee56065473dccdd2952527a43d52e8f55460aa","name":"Guillermo Martínez","registered_at":"2026-06-15T03:40:27Z","symbol":"NIM0670645","token_address":"0xe7a273d8f68da05573cfd6b0c68edc25e3eede72","type":"artist","uuid":"dbd4c49a-dd7b-47aa-8a3a-9ae90112669d"}
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  date published: 2021-01-15
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