Lucas Arruda
type: MusicGroup
genre: album rock
genre: brazilian jazz
genre: indie jazz
description: Lucas Arruda (born 1983, São Paulo), is a Brazilian painter living and working in São Paulo, Brazil. He received his Bachelor of Fine Arts from , São Paulo, Brazil in 2009. He was at the forefront of
popularity: 15
followers: 2898
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0c2f2d62779d93931e0f05e148732e4479b96613b3fc73c24ae98de7a154c1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953592
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953592
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03bfaddf-fa35-40a3-a19d-acfb566243ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03bfaddf-fa35-40a3-a19d-acfb566243ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/03bfaddf-fa35-40a3-a19d-acfb566243ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T05:36:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf0c2f2d62779d93931e0f05e148732e4479b96613b3fc73c24ae98de7a154c1d","name":"Lucas Arruda","registered_at":"2026-06-14T04:49:14Z","symbol":"NIM0343508","token_address":"0x0880d2b560cef9617a2f4262afa3561d366627d0","type":"artist","uuid":"03bfaddf-fa35-40a3-a19d-acfb566243ac"}
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 0xf0c2f2d62779d93931e0f05e148732e4479b96613b3fc73c24ae98de7a154c1d. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03bfaddf-fa35-40a3-a19d-acfb566243ac.json and https://artists.proofprofile.net/proofs/artist/03bfaddf-fa35-40a3-a19d-acfb566243ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T05:36:59Z
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album: Sambadi
  type: MusicAlbum
  date published: 2013-04-12
album: Sambadi
  type: MusicAlbum
  date published: 2013-04-12
album: Sambadi
  type: MusicAlbum
  date published: 2013-05-17
album: Sambadi
  type: MusicAlbum
  date published: 2013-05-17
album: Sambadi
  type: MusicAlbum
  date published: 2013-05-20
album: Solar
  type: MusicAlbum
  date published: 2015-05-22
album: Solar
  type: MusicAlbum
  date published: 2015-05-22
album: Solar
  type: MusicAlbum
  date published: 2015-06-17
album: Melt the Night
  type: MusicAlbum
  date published: 2015-10-23
album: Melt the Night
  type: MusicAlbum
  date published: 2015-10-23
album: Onda Nova
  type: MusicAlbum
  date published: 2019-02-15
album: Onda Nova
  type: MusicAlbum
  date published: 2019-03-06
album: OMINIRA
  type: MusicAlbum
  date published: 2024-04-19
album: Ominira
  type: MusicAlbum
  date published: 2024-04-19