Saira Peter is a British-Pakistani soprano officially recognised as the world's first Sufi opera singer.UK Intellectual Property Office Trademark No UK00003709868 She is Director of NJ Arts London, a
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 0x2f3ccd83cf5361f1fe9e2990535b4b87262bc304b76212e2cd848ebbb3aa82ae. Chain 2 (Bitcoin): anchored in block 953636 (2026-06-14T13:03:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3545c229-aa02-4ffc-a7de-8d7c88b7bfd0.json and https://artists.proofprofile.net/proofs/artist/3545c229-aa02-4ffc-a7de-8d7c88b7bfd0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).