Rafique Khan
type: MusicGroup
description: Ustad Rafique Khan (born 30 June 1968) is an Indian musician and composer who plays the sitar. He belongs to the sixth generation of musicians from the Dharwad Gharana. His father, the late Ustad Abdu
popularity: 6
followers: 298
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd108b7169a8fbe005dacae0ba1669c2f3c8f5b4649a4db83e1b080994d528a20
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954010
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954010
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/33ea45f6-186a-4622-b9c5-80efa0c09f60.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/33ea45f6-186a-4622-b9c5-80efa0c09f60.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/33ea45f6-186a-4622-b9c5-80efa0c09f60
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:41:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd108b7169a8fbe005dacae0ba1669c2f3c8f5b4649a4db83e1b080994d528a20","name":"Rafique Khan","registered_at":"2026-06-16T07:36:32Z","symbol":"NIM0982413","token_address":"0x313dd5b8a9e436c815c2863e2eee02d41396b692","type":"artist","uuid":"33ea45f6-186a-4622-b9c5-80efa0c09f60"}
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 0xd108b7169a8fbe005dacae0ba1669c2f3c8f5b4649a4db83e1b080994d528a20. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/33ea45f6-186a-4622-b9c5-80efa0c09f60.json and https://artists.proofprofile.net/proofs/artist/33ea45f6-186a-4622-b9c5-80efa0c09f60.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xd108b7169a8fbe005dacae0ba1669c2f3c8f5b4649a4db83e1b080994d528a20","name":"Rafique Khan","registered_at":"2026-06-16T07:36:32Z","symbol":"NIM0982413","token_address":"0x313dd5b8a9e436c815c2863e2eee02d41396b692","type":"artist","uuid":"33ea45f6-186a-4622-b9c5-80efa0c09f60"}
album: A Morning With Sitar
  type: MusicAlbum
  date published: 2019-05-13
album: Twinning Sitars
  type: MusicAlbum
  date published: 2019-11-09
album: Rafique Khan: Raga (Indian Classical Music for Sitar)
  type: MusicAlbum
  date published: 2020-03-13
album: Sitar Duo
  type: MusicAlbum
  date published: 2022-05-27
album: Salona Sa Sajan
  type: MusicAlbum
  date published: 2024-05-25
album: Rasa
  type: MusicAlbum
  date published: 2024-07-08