Robi Chowdhuri
type: MusicGroup
popularity: 3
followers: 2138
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45d52583bdd2ea95405063bb36d8aab0c592ef542d75737df379623df3b17dd1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/526bb266-ed3b-4763-a685-071b3e5e2776.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/526bb266-ed3b-4763-a685-071b3e5e2776.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/526bb266-ed3b-4763-a685-071b3e5e2776
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x45d52583bdd2ea95405063bb36d8aab0c592ef542d75737df379623df3b17dd1","name":"Robi Chowdhuri","registered_at":"2026-06-16T18:16:26Z","symbol":"NIM1135091","token_address":"0x93870e21b746acb9f271734c89de55dbad9f0eeb","type":"artist","uuid":"526bb266-ed3b-4763-a685-071b3e5e2776"}
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 0x45d52583bdd2ea95405063bb36d8aab0c592ef542d75737df379623df3b17dd1. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/526bb266-ed3b-4763-a685-071b3e5e2776.json and https://artists.proofprofile.net/proofs/artist/526bb266-ed3b-4763-a685-071b3e5e2776.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x45d52583bdd2ea95405063bb36d8aab0c592ef542d75737df379623df3b17dd1","name":"Robi Chowdhuri","registered_at":"2026-06-16T18:16:26Z","symbol":"NIM1135091","token_address":"0x93870e21b746acb9f271734c89de55dbad9f0eeb","type":"artist","uuid":"526bb266-ed3b-4763-a685-071b3e5e2776"}
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