Luis Espinoza
type: MusicGroup
description: Luis Uberlindo Espinoza Villalobos (10 August 1940–2 December 1973) was a Chilean politician and accountant, affiliated with the Socialist Party of Chile (RS). He was a founder of the PS in Los Lagos
popularity: 17
followers: 1253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1aeb47f78f4692b3967b6e5b564a9cb562073ce2c9b517753e46c67af3720550
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/874abf9e-d269-4875-a543-c143b2f05c42.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/874abf9e-d269-4875-a543-c143b2f05c42.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/874abf9e-d269-4875-a543-c143b2f05c42
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:05:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1aeb47f78f4692b3967b6e5b564a9cb562073ce2c9b517753e46c67af3720550","name":"Luis Espinoza","registered_at":"2026-06-14T18:41:26Z","symbol":"NIM0541979","token_address":"0x6bb0ebe188ed5c51c8c7ecfc7a3be6fdc3d58ffc","type":"artist","uuid":"874abf9e-d269-4875-a543-c143b2f05c42"}
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 0x1aeb47f78f4692b3967b6e5b564a9cb562073ce2c9b517753e46c67af3720550. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/874abf9e-d269-4875-a543-c143b2f05c42.json and https://artists.proofprofile.net/proofs/artist/874abf9e-d269-4875-a543-c143b2f05c42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:05:33Z
  text: {"copyright_id":"0x1aeb47f78f4692b3967b6e5b564a9cb562073ce2c9b517753e46c67af3720550","name":"Luis Espinoza","registered_at":"2026-06-14T18:41:26Z","symbol":"NIM0541979","token_address":"0x6bb0ebe188ed5c51c8c7ecfc7a3be6fdc3d58ffc","type":"artist","uuid":"874abf9e-d269-4875-a543-c143b2f05c42"}
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