Caleb Barrera
type: MusicGroup
genre: gospel r&b
popularity: 2
followers: 202
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec1e938fae411a8d7682ce942f85b720214771e1add17a68e83fb32fbefcd5e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6466261-f13d-4ba3-afbe-5242bbf36f7a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6466261-f13d-4ba3-afbe-5242bbf36f7a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b6466261-f13d-4ba3-afbe-5242bbf36f7a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec1e938fae411a8d7682ce942f85b720214771e1add17a68e83fb32fbefcd5e4","name":"Caleb Barrera","registered_at":"2026-06-20T15:14:48Z","symbol":"NIM1638020","token_address":"0x8dddca95135541cde320f4d735542b8818f98c65","type":"artist","uuid":"b6466261-f13d-4ba3-afbe-5242bbf36f7a"}
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 0xec1e938fae411a8d7682ce942f85b720214771e1add17a68e83fb32fbefcd5e4. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6466261-f13d-4ba3-afbe-5242bbf36f7a.json and https://artists.proofprofile.net/proofs/artist/b6466261-f13d-4ba3-afbe-5242bbf36f7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0xec1e938fae411a8d7682ce942f85b720214771e1add17a68e83fb32fbefcd5e4","name":"Caleb Barrera","registered_at":"2026-06-20T15:14:48Z","symbol":"NIM1638020","token_address":"0x8dddca95135541cde320f4d735542b8818f98c65","type":"artist","uuid":"b6466261-f13d-4ba3-afbe-5242bbf36f7a"}
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