Pedro Barros
type: MusicGroup
description: Pedro Barros (born 15 March 1995), known as Pedrinho Barros, is a Brazilian skateboarder who is specialized in Bowl and Park Skateboarding. He won the silver medal in the inaugural Olympic men's park
popularity: 2
followers: 86
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xafd30a5b055e91e7497195d695a26d4ef37a5ba4d6c4fb68a7c35db0a05a31ff
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954048
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954048
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42ac5572-92e1-4c0e-9f02-d953696fd705.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42ac5572-92e1-4c0e-9f02-d953696fd705.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/42ac5572-92e1-4c0e-9f02-d953696fd705
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:00:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0xafd30a5b055e91e7497195d695a26d4ef37a5ba4d6c4fb68a7c35db0a05a31ff. Chain 2 (Bitcoin): anchored in block 954048 (2026-06-17T05:00:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42ac5572-92e1-4c0e-9f02-d953696fd705.json and https://artists.proofprofile.net/proofs/artist/42ac5572-92e1-4c0e-9f02-d953696fd705.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:00:13Z
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