Saira Khan
type: MusicGroup
description: Saira Khan (born 15 May 1970) is a British television personality. She was a contestant on the first series of The Apprentice in 2005, in which she finished as the runner-up. In 2012, Khan competed in
popularity: 10
followers: 56
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75c46ecf1f9e14e61af4f699563ab9042cb22f3134bb6716a08b133cbe0338b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954618
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954618
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c79ad00c-218f-4d99-b24e-03cd36e6fcda.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c79ad00c-218f-4d99-b24e-03cd36e6fcda.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c79ad00c-218f-4d99-b24e-03cd36e6fcda
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:05:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75c46ecf1f9e14e61af4f699563ab9042cb22f3134bb6716a08b133cbe0338b1","name":"Saira Khan","registered_at":"2026-06-20T21:51:49Z","symbol":"NIM1725494","token_address":"0xb365573e31e8f76804ce97a1295a7618e63e636c","type":"artist","uuid":"c79ad00c-218f-4d99-b24e-03cd36e6fcda"}
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 0x75c46ecf1f9e14e61af4f699563ab9042cb22f3134bb6716a08b133cbe0338b1. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c79ad00c-218f-4d99-b24e-03cd36e6fcda.json and https://artists.proofprofile.net/proofs/artist/c79ad00c-218f-4d99-b24e-03cd36e6fcda.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:05:13Z
  text: {"copyright_id":"0x75c46ecf1f9e14e61af4f699563ab9042cb22f3134bb6716a08b133cbe0338b1","name":"Saira Khan","registered_at":"2026-06-20T21:51:49Z","symbol":"NIM1725494","token_address":"0xb365573e31e8f76804ce97a1295a7618e63e636c","type":"artist","uuid":"c79ad00c-218f-4d99-b24e-03cd36e6fcda"}
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