Roger Deejay
type: MusicGroup
genre: champeta
genre: dancehall
popularity: 9
followers: 525
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa19f52c9fd9ffdfc323335cc4248b4e1fe2dbc5e7a8a6197e0d19f4a9843d4bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa19f52c9fd9ffdfc323335cc4248b4e1fe2dbc5e7a8a6197e0d19f4a9843d4bf","name":"Roger Deejay","registered_at":"2026-06-20T21:47:50Z","symbol":"NIM1723472","token_address":"0x1985329ee1becf22a8b6f4f0a3c3db09794c8dd6","type":"artist","uuid":"c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19f52c9fd9ffdfc323335cc4248b4e1fe2dbc5e7a8a6197e0d19f4a9843d4bf. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c.json and https://artists.proofprofile.net/proofs/artist/c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xa19f52c9fd9ffdfc323335cc4248b4e1fe2dbc5e7a8a6197e0d19f4a9843d4bf","name":"Roger Deejay","registered_at":"2026-06-20T21:47:50Z","symbol":"NIM1723472","token_address":"0x1985329ee1becf22a8b6f4f0a3c3db09794c8dd6","type":"artist","uuid":"c6df2ed6-f0bb-41aa-8d48-9c6a05b8f85c"}
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