Nacho Castillo
type: MusicGroup
description: Ignacio "Nacho" Castillo Ameyugo (born 3 July 2000) is a Spanish professional footballer who plays as a midfielder for Primera Federación club Ourense. Club career Castillo was born in Miranda de Ebr
popularity: 2
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e735087d34faa570f272c4a1a592cf14790d1b29a007f2043722f552e25db09
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953885
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953885
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0bf9338a-c43f-4731-9628-6343ee9de613.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0bf9338a-c43f-4731-9628-6343ee9de613.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0bf9338a-c43f-4731-9628-6343ee9de613
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:12:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0e735087d34faa570f272c4a1a592cf14790d1b29a007f2043722f552e25db09","name":"Nacho Castillo","registered_at":"2026-06-15T17:45:19Z","symbol":"NIM0783986","token_address":"0x910f48e44dd5f89c4ba16b7a95d809c81f68ea13","type":"artist","uuid":"0bf9338a-c43f-4731-9628-6343ee9de613"}
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 0x0e735087d34faa570f272c4a1a592cf14790d1b29a007f2043722f552e25db09. 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/0bf9338a-c43f-4731-9628-6343ee9de613.json and https://artists.proofprofile.net/proofs/artist/0bf9338a-c43f-4731-9628-6343ee9de613.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x0e735087d34faa570f272c4a1a592cf14790d1b29a007f2043722f552e25db09","name":"Nacho Castillo","registered_at":"2026-06-15T17:45:19Z","symbol":"NIM0783986","token_address":"0x910f48e44dd5f89c4ba16b7a95d809c81f68ea13","type":"artist","uuid":"0bf9338a-c43f-4731-9628-6343ee9de613"}
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