Pedro Gil Vieira is a Portuguese theoretical physicist who has done significant work in the area of quantum field theory and quantum gravity. One of his most important contributions is the exact solut
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 0x4122aa6083a471b56970ebe6e65b3bb563feea84458d97b1a6a12de737df5b4c. Chain 2 (Bitcoin): anchored in block 954062 (2026-06-17T07:39:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4611c8e0-cd05-4c09-be3a-64c8ea7537b1.json and https://artists.proofprofile.net/proofs/artist/4611c8e0-cd05-4c09-be3a-64c8ea7537b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).