Anna Howie
type: MusicGroup
popularity: 2
followers: 259
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a6242c6d3ca8390e07200de690e28c8b61c99d571499d10bb869370df223a47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/58f5a768-8b30-473f-abd9-1606fb50425f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/58f5a768-8b30-473f-abd9-1606fb50425f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/58f5a768-8b30-473f-abd9-1606fb50425f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a6242c6d3ca8390e07200de690e28c8b61c99d571499d10bb869370df223a47","name":"Anna Howie","registered_at":"2026-06-16T20:41:52Z","symbol":"NIM1169801","token_address":"0xca5e39f9ccc52f6a567ff8abe6c8557d25d5d054","type":"artist","uuid":"58f5a768-8b30-473f-abd9-1606fb50425f"}
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 0x9a6242c6d3ca8390e07200de690e28c8b61c99d571499d10bb869370df223a47. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/58f5a768-8b30-473f-abd9-1606fb50425f.json and https://artists.proofprofile.net/proofs/artist/58f5a768-8b30-473f-abd9-1606fb50425f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x9a6242c6d3ca8390e07200de690e28c8b61c99d571499d10bb869370df223a47","name":"Anna Howie","registered_at":"2026-06-16T20:41:52Z","symbol":"NIM1169801","token_address":"0xca5e39f9ccc52f6a567ff8abe6c8557d25d5d054","type":"artist","uuid":"58f5a768-8b30-473f-abd9-1606fb50425f"}
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