Barra 51
type: MusicGroup
popularity: 2
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8727b5e8533ac639752ab2eb679aeb4e0e7a879a3611242a94473c776f46d69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4af83f2f-621d-4a99-91d8-a438827e38a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4af83f2f-621d-4a99-91d8-a438827e38a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4af83f2f-621d-4a99-91d8-a438827e38a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb8727b5e8533ac639752ab2eb679aeb4e0e7a879a3611242a94473c776f46d69","name":"Barra 51","registered_at":"2026-06-16T15:44:37Z","symbol":"NIM1098878","token_address":"0xf4c21d223f324678dad16785728d4944c59b9f63","type":"artist","uuid":"4af83f2f-621d-4a99-91d8-a438827e38a6"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8727b5e8533ac639752ab2eb679aeb4e0e7a879a3611242a94473c776f46d69. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4af83f2f-621d-4a99-91d8-a438827e38a6.json and https://artists.proofprofile.net/proofs/artist/4af83f2f-621d-4a99-91d8-a438827e38a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xb8727b5e8533ac639752ab2eb679aeb4e0e7a879a3611242a94473c776f46d69","name":"Barra 51","registered_at":"2026-06-16T15:44:37Z","symbol":"NIM1098878","token_address":"0xf4c21d223f324678dad16785728d4944c59b9f63","type":"artist","uuid":"4af83f2f-621d-4a99-91d8-a438827e38a6"}