Cameron Labarr
type: MusicGroup
genre: choral
popularity: 2
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61e63fd189d2112b48a29628dc0fb0f5734be4f5f961496dc849719961beae58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953980
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953980
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c6edbad-3607-4558-add8-ef4bcd4198e8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2c6edbad-3607-4558-add8-ef4bcd4198e8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2c6edbad-3607-4558-add8-ef4bcd4198e8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:16:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x61e63fd189d2112b48a29628dc0fb0f5734be4f5f961496dc849719961beae58","name":"Cameron Labarr","registered_at":"2026-06-16T05:05:12Z","symbol":"NIM0946260","token_address":"0xe665846056eaeee8b5607de6346bddfde10ec7a5","type":"artist","uuid":"2c6edbad-3607-4558-add8-ef4bcd4198e8"}
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 0x61e63fd189d2112b48a29628dc0fb0f5734be4f5f961496dc849719961beae58. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c6edbad-3607-4558-add8-ef4bcd4198e8.json and https://artists.proofprofile.net/proofs/artist/2c6edbad-3607-4558-add8-ef4bcd4198e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x61e63fd189d2112b48a29628dc0fb0f5734be4f5f961496dc849719961beae58","name":"Cameron Labarr","registered_at":"2026-06-16T05:05:12Z","symbol":"NIM0946260","token_address":"0xe665846056eaeee8b5607de6346bddfde10ec7a5","type":"artist","uuid":"2c6edbad-3607-4558-add8-ef4bcd4198e8"}
album: 2020 Texas Music Educator's Association (TMEA): All-State Tenor-Bass Choir [Live]
  type: MusicAlbum
  date published: 2021-02-05