Marcelo Santana
type: MusicGroup
description: Marcelo Orlando Santana Vargas (born July 24, 1980, in Coyhaique) is a Chilean environmental engineer and politician. He has served as Governor of Aysén Region since January 6, 2025. Biography Sant
popularity: 2
followers: 309
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92af9c88-5b5c-4801-9388-3fc47324db65.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92af9c88-5b5c-4801-9388-3fc47324db65.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/92af9c88-5b5c-4801-9388-3fc47324db65
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa3b4efac315cf72603c103087fca8bb9d18e02ed40cbc5aa1f4b6cabd3205696","name":"Marcelo Santana","registered_at":"2026-06-17T16:36:15Z","symbol":"NIM1454647","token_address":"0xde8f823151acc2988d59a5ea528b74bbeaa98ab8","type":"artist","uuid":"92af9c88-5b5c-4801-9388-3fc47324db65"}
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 0xa3b4efac315cf72603c103087fca8bb9d18e02ed40cbc5aa1f4b6cabd3205696. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92af9c88-5b5c-4801-9388-3fc47324db65.json and https://artists.proofprofile.net/proofs/artist/92af9c88-5b5c-4801-9388-3fc47324db65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
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