Gemma Cox
type: MusicGroup
genre: acoustic pop
popularity: 2
followers: 545
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa81062d10529d1b1619e378f790a25e8c8476c225a5a091a9eb09232878ffeb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2622627f-7f74-4ab1-bd4e-8245ba704f7a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2622627f-7f74-4ab1-bd4e-8245ba704f7a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2622627f-7f74-4ab1-bd4e-8245ba704f7a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa81062d10529d1b1619e378f790a25e8c8476c225a5a091a9eb09232878ffeb3","name":"Gemma Cox","registered_at":"2026-06-16T02:52:17Z","symbol":"NIM0914524","token_address":"0x7a1fd0fdb341d3c0d91c2769e3637ca54833fa35","type":"artist","uuid":"2622627f-7f74-4ab1-bd4e-8245ba704f7a"}
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 0xa81062d10529d1b1619e378f790a25e8c8476c225a5a091a9eb09232878ffeb3. Chain 2 (Bitcoin): anchored in block 953955 (2026-06-16T14:29:53Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2622627f-7f74-4ab1-bd4e-8245ba704f7a.json and https://artists.proofprofile.net/proofs/artist/2622627f-7f74-4ab1-bd4e-8245ba704f7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:29:53Z
  text: {"copyright_id":"0xa81062d10529d1b1619e378f790a25e8c8476c225a5a091a9eb09232878ffeb3","name":"Gemma Cox","registered_at":"2026-06-16T02:52:17Z","symbol":"NIM0914524","token_address":"0x7a1fd0fdb341d3c0d91c2769e3637ca54833fa35","type":"artist","uuid":"2622627f-7f74-4ab1-bd4e-8245ba704f7a"}
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