Byron Castillo
type: MusicGroup
description: Byron David Castillo Segura (born 25 June 1995) is an Ecuadorian professional footballer who plays as a right-back for Ecuadorian Serie A club Barcelona SC and the Ecuador national team. Club career
popularity: 5
followers: 1936
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbd3f3e71fc781cb8ab64a991f9e39f1abadbc5fab6abdadff8bf03d375068f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/adc022b0-6aff-403a-baea-23b415d698e4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/adc022b0-6aff-403a-baea-23b415d698e4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/adc022b0-6aff-403a-baea-23b415d698e4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfbd3f3e71fc781cb8ab64a991f9e39f1abadbc5fab6abdadff8bf03d375068f8","name":"Byron Castillo","registered_at":"2026-06-20T10:35:41Z","symbol":"NIM1594178","token_address":"0xbe4cadbee75d639f469ff56c1149dc4c925548e0","type":"artist","uuid":"adc022b0-6aff-403a-baea-23b415d698e4"}
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 0xfbd3f3e71fc781cb8ab64a991f9e39f1abadbc5fab6abdadff8bf03d375068f8. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/adc022b0-6aff-403a-baea-23b415d698e4.json and https://artists.proofprofile.net/proofs/artist/adc022b0-6aff-403a-baea-23b415d698e4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0xfbd3f3e71fc781cb8ab64a991f9e39f1abadbc5fab6abdadff8bf03d375068f8","name":"Byron Castillo","registered_at":"2026-06-20T10:35:41Z","symbol":"NIM1594178","token_address":"0xbe4cadbee75d639f469ff56c1149dc4c925548e0","type":"artist","uuid":"adc022b0-6aff-403a-baea-23b415d698e4"}
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