Los De Abajo
type: MusicGroup
description: Los de Abajo ("The Ones From Below") is the official barra brava of Universidad de Chile. They are one of the biggest groups of supporters in Chile. It is the team that takes the most people to the st
popularity: 4
followers: 408
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66bf242b49426694094dbac1fc6b94135693f988bc07e5a906bbc37461f2eb93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954032
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954032
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T01:59:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x66bf242b49426694094dbac1fc6b94135693f988bc07e5a906bbc37461f2eb93","name":"Los De Abajo","registered_at":"2026-06-16T10:25:28Z","symbol":"NIM1022732","token_address":"0xd3f6cdfee0dd16bfb591025749121574614d209e","type":"artist","uuid":"3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8"}
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 0x66bf242b49426694094dbac1fc6b94135693f988bc07e5a906bbc37461f2eb93. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8.json and https://artists.proofprofile.net/proofs/artist/3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
  text: {"copyright_id":"0x66bf242b49426694094dbac1fc6b94135693f988bc07e5a906bbc37461f2eb93","name":"Los De Abajo","registered_at":"2026-06-16T10:25:28Z","symbol":"NIM1022732","token_address":"0xd3f6cdfee0dd16bfb591025749121574614d209e","type":"artist","uuid":"3ae0faf5-d1f3-4014-bd8d-0575c2c9c8a8"}
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  type: MusicAlbum
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