Chris Barr
type: MusicGroup
popularity: 8
followers: 196
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23bd32e788be3bfac3fb70a93e6a77142f11956f0682ac39836439881a80e3ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aef9cfc5-fe52-4a37-9b03-c1e1a13d4544.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aef9cfc5-fe52-4a37-9b03-c1e1a13d4544.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aef9cfc5-fe52-4a37-9b03-c1e1a13d4544
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x23bd32e788be3bfac3fb70a93e6a77142f11956f0682ac39836439881a80e3ef","name":"Chris Barr","registered_at":"2026-06-20T11:12:42Z","symbol":"NIM1599930","token_address":"0xd2d01103f06248dc2a1e8aaf173e6d5e32ba314f","type":"artist","uuid":"aef9cfc5-fe52-4a37-9b03-c1e1a13d4544"}
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 0x23bd32e788be3bfac3fb70a93e6a77142f11956f0682ac39836439881a80e3ef. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aef9cfc5-fe52-4a37-9b03-c1e1a13d4544.json and https://artists.proofprofile.net/proofs/artist/aef9cfc5-fe52-4a37-9b03-c1e1a13d4544.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0x23bd32e788be3bfac3fb70a93e6a77142f11956f0682ac39836439881a80e3ef","name":"Chris Barr","registered_at":"2026-06-20T11:12:42Z","symbol":"NIM1599930","token_address":"0xd2d01103f06248dc2a1e8aaf173e6d5e32ba314f","type":"artist","uuid":"aef9cfc5-fe52-4a37-9b03-c1e1a13d4544"}
album: SLOW
  type: MusicAlbum
  date published: 2024-02-15
album: LIKE YOU
  type: MusicAlbum
  date published: 2024-06-07