Lucas Abreu
type: MusicGroup
genre: gospel
description: Dirceu Lucas de Abreu Santos (born 25 February 1988), known as Lucas Abreu, is Brazilian footballer who plays for Paraná. Biography Born in Curvelo, Minas Gerais, Lucas started his career at Poços de
popularity: 3
followers: 815
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f69f3252b9ae06fc553fc46afdb68e040833f921319714fad28b38674cc5f8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2423390-3f1f-4ed2-a3aa-b2f638d99ce0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c2423390-3f1f-4ed2-a3aa-b2f638d99ce0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c2423390-3f1f-4ed2-a3aa-b2f638d99ce0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3f69f3252b9ae06fc553fc46afdb68e040833f921319714fad28b38674cc5f8c","name":"Lucas Abreu","registered_at":"2026-06-20T20:07:16Z","symbol":"NIM1701116","token_address":"0xf77de423d56f58c4c3e9374ba5ab9e2782471f54","type":"artist","uuid":"c2423390-3f1f-4ed2-a3aa-b2f638d99ce0"}
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 0x3f69f3252b9ae06fc553fc46afdb68e040833f921319714fad28b38674cc5f8c. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2423390-3f1f-4ed2-a3aa-b2f638d99ce0.json and https://artists.proofprofile.net/proofs/artist/c2423390-3f1f-4ed2-a3aa-b2f638d99ce0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x3f69f3252b9ae06fc553fc46afdb68e040833f921319714fad28b38674cc5f8c","name":"Lucas Abreu","registered_at":"2026-06-20T20:07:16Z","symbol":"NIM1701116","token_address":"0xf77de423d56f58c4c3e9374ba5ab9e2782471f54","type":"artist","uuid":"c2423390-3f1f-4ed2-a3aa-b2f638d99ce0"}
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