DJ GreyttBlack
type: MusicGroup
popularity: 51
followers: 18879
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31b491df47f7a39721c53073bf6be14fba1351a2c72aed8101552a0e6e2c12d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ceb15f1f-dc4d-46af-a760-6ce10af5b722.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ceb15f1f-dc4d-46af-a760-6ce10af5b722.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ceb15f1f-dc4d-46af-a760-6ce10af5b722
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x31b491df47f7a39721c53073bf6be14fba1351a2c72aed8101552a0e6e2c12d2","name":"DJ GreyttBlack","registered_at":"2026-06-12T10:09:19Z","symbol":"NIM0265650","token_address":"0xf4d53338615b508b65d1809f388aee8c87fe1b4e","type":"artist","uuid":"ceb15f1f-dc4d-46af-a760-6ce10af5b722"}
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 0x31b491df47f7a39721c53073bf6be14fba1351a2c72aed8101552a0e6e2c12d2. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ceb15f1f-dc4d-46af-a760-6ce10af5b722.json and https://artists.proofprofile.net/proofs/artist/ceb15f1f-dc4d-46af-a760-6ce10af5b722.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x31b491df47f7a39721c53073bf6be14fba1351a2c72aed8101552a0e6e2c12d2","name":"DJ GreyttBlack","registered_at":"2026-06-12T10:09:19Z","symbol":"NIM0265650","token_address":"0xf4d53338615b508b65d1809f388aee8c87fe1b4e","type":"artist","uuid":"ceb15f1f-dc4d-46af-a760-6ce10af5b722"}
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