Lucas Rosa
type: MusicGroup
description: Lucas Oliveira Rosa (born 3 April 2000) is a Brazilian professional footballer who plays as a defender for Dutch club Ajax. Mainly a right-back, he has been deployed as a right wing-back and a left-ba
popularity: 2
followers: 116
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a62219065bd6865778852dbbb3f11334271c8609a110bff490ba0d69b91d6b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953871
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953871
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0717d231-dfb1-47c2-b886-50e7bf98d3d2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0717d231-dfb1-47c2-b886-50e7bf98d3d2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0717d231-dfb1-47c2-b886-50e7bf98d3d2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:46:03Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7a62219065bd6865778852dbbb3f11334271c8609a110bff490ba0d69b91d6b2","name":"Lucas Rosa","registered_at":"2026-06-15T16:05:08Z","symbol":"NIM0760081","token_address":"0x43e80d91975c5b018c4dc6b0d1bc62d44fcbc687","type":"artist","uuid":"0717d231-dfb1-47c2-b886-50e7bf98d3d2"}
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 0x7a62219065bd6865778852dbbb3f11334271c8609a110bff490ba0d69b91d6b2. Chain 2 (Bitcoin): anchored in block 953871 (2026-06-16T01:46:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0717d231-dfb1-47c2-b886-50e7bf98d3d2.json and https://artists.proofprofile.net/proofs/artist/0717d231-dfb1-47c2-b886-50e7bf98d3d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:46:03Z
  text: {"copyright_id":"0x7a62219065bd6865778852dbbb3f11334271c8609a110bff490ba0d69b91d6b2","name":"Lucas Rosa","registered_at":"2026-06-15T16:05:08Z","symbol":"NIM0760081","token_address":"0x43e80d91975c5b018c4dc6b0d1bc62d44fcbc687","type":"artist","uuid":"0717d231-dfb1-47c2-b886-50e7bf98d3d2"}
album: Se Acalma
  type: MusicAlbum
  date published: 2024-12-06
album: ELE É
  type: MusicAlbum
  date published: 2025-03-26