Musarrat Nazir Khawaja (; born 13 October 1940) is a Pakistani singer and film actress. She was one of the leading actresses of Pakistani cinema, acting in both Urdu and Punjabi films during the 1950s
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ab7660b22671ad10562a8c50910d6eea4b2619ebe104fe77084d9063db7693. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1459b1f4-b238-4a1a-b49b-f32f3067b2bc.json and https://artists.proofprofile.net/proofs/artist/1459b1f4-b238-4a1a-b49b-f32f3067b2bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).