Jonas Barros
type: MusicGroup
genre: arrocha
genre: piseiro
genre: seresta
popularity: 3
followers: 2232
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbeb7669eb0d76389feeb321ccadded2f745109b563f783b09e5b2891fc43af3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbeb7669eb0d76389feeb321ccadded2f745109b563f783b09e5b2891fc43af3f","name":"Jonas Barros","registered_at":"2026-06-15T21:50:30Z","symbol":"NIM0842458","token_address":"0xd9ba43a3c4d09947bc07620b2982caf8d27b46be","type":"artist","uuid":"17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f"}
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 0xbeb7669eb0d76389feeb321ccadded2f745109b563f783b09e5b2891fc43af3f. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f.json and https://artists.proofprofile.net/proofs/artist/17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xbeb7669eb0d76389feeb321ccadded2f745109b563f783b09e5b2891fc43af3f","name":"Jonas Barros","registered_at":"2026-06-15T21:50:30Z","symbol":"NIM0842458","token_address":"0xd9ba43a3c4d09947bc07620b2982caf8d27b46be","type":"artist","uuid":"17c93e8a-dbfc-49a7-a1ef-f3c3e32eda9f"}
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  date published: 2017-08-06
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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